New upstream version 2.38.0

This commit is contained in:
Jeremy Bicha
2017-12-18 17:12:27 -05:00
839 changed files with 183284 additions and 0 deletions

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sysdeps/linux/ChangeLog Normal file
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2007-05-20 Benoît Dejean <benoit@placenet.org>
* *.c:
Got rid of glibtop_init_s calls.
If i'm right, these are only no-op and the legacy stub/ don't
have any calls to them, so it's should harmless.
So let's try it.
2007-05-19 Benoît Dejean <benoit@placenet.org>
* proclist.c: (glibtop_get_proclist_s):
Fixed warnings.
2007-05-17 Benoît Dejean <benoit@placenet.org>
* procopenfiles.c: (glibtop_get_proc_open_files_s):
Added missing sizeof.
2007-05-07 Benoît Dejean <benoit@placenet.org>
* procwd.c:
Always set buf->number.
2007-05-07 Benoît Dejean <benoit@placenet.org>
* glibtop_private.c (safe_readlink):
Simplified.
* procopenfiles.c:
Use safe_readlink.
2007-05-07 Benoît Dejean <benoit@placenet.org>
* procwd.c:
Implemented.
* glibtop_private.c (safe_readlink):
New function.
2007-03-13 Benoît Dejean <benoit@placenet.org>
* fsusage.c: (get_sys_path), (linux_2_6_0):
Fixed stat parsing for md devices.
Patch by Martin Bailey <martin@pcalpha.com>.
2007-02-15 Benoît Dejean <benoit@placenet.org>
* procmap.c: (add_smaps):
Some more const.
2007-01-14 Benoît Dejean <benoit@placenet.org>
* procmap.c: (glibtop_get_proc_map_s):
* procopenfiles.c: (parse_file):
Fixed stack overflow in proc_map.
Switched to Glibc getline because fgets gets fooled by long
lines.
Closes #396477.
2007-01-11 Benoît Dejean <benoit@placenet.org>
* glibtop_private.c: (get_scaled):
Replaced two strstr by a hand-written loop in this critical code.
2006-09-11 Benoît Dejean <benoit@placenet.org>
* procmap.c: (glibtop_get_proc_map_s):
Fixed parsing s?maps on 64bit kernel.
Closes #355290.
Removed useless casts.
2006-08-10 Benoît Dejean <benoit@placenet.org>
* open.c: (glibtop_open_s):
Only print the warning if
(number of real cpu's) != (number of cpu's monitored).
Patch by Wouter Bolsterlee (uws) <uws+gnome@xs4all.nl>.
Closes #350705.
2006-07-27 Benoît Dejean <benoit@placenet.org>
* netload.c: (glibtop_get_netload_s):
Updated implementation.
2006-07-27 Benoît Dejean <benoit@placenet.org>
* glibtop_private.c: (has_sysfs):
* glibtop_private.h:
* netload.c: (glibtop_get_netload_s):
* open.c: (set_linux_version):
New has_sysfs function to avoid stating
over and over '/sys' on each netload call.
2006-04-02 Benoît Dejean <benoit@placenet.org>
* msg_limits.c: (glibtop_get_msg_limits_s):
* sem_limits.c: (glibtop_get_sem_limits_s):
* shm_limits.c: (glibtop_get_shm_limits_s):
Fixed a bunch of warnings.
2006-01-23 Benoît Dejean <benoit@placenet.org>
* procmap.c: (glibtop_get_proc_map_s):
I can't believe i've been so stupid :)
Uses smaps if linux > 2.6.14.
2005-12-15 Benoît Dejean <benoit@placenet.org>
* proclist.c: (glibtop_get_proclist_s):
Fixed when which == GLIBTOP_KERN_PROC_UID.
Closes #324055.
2005-12-14 Benoît Dejean <benoit@placenet.org>
* open.c: (glibtop_open_s):
Implemented server->real_ncpu.
Add a warning to display ncpu and real_ncpu on open.
2005-12-13 Benoît Dejean <benoit@placenet.org>
* cpu.c: (glibtop_get_cpu_s):
* glibtop_private.c: (get_scaled), (check_cpu_line):
* glibtop_private.h:
* open.c: (glibtop_open_s):
* proctime.c: (glibtop_get_proc_time_s):
Fixed server->ncpu usage (SMP handling). Need more testing.
2005-12-12 Benoît Dejean <benoit@placenet.org>
* procmap.c: (add_smaps), (glibtop_get_proc_map_s):
Implemented smap support.
Closes #320710.
2005-12-12 Benoît Dejean <benoit@placenet.org>
* proclist.c: (glibtop_get_proclist_s):
Improved so that it doesn't stat(2) every /proc/<PID>/.
2005-12-07 Benoît Dejean <benoit@placenet.org>
* procmap.c: (glibtop_get_proc_map_s):
Small improvements.
Use g_array_sized_new instead of g_array_new with
reserved_size = 100.
Don't use g_array_append_val to avoid copying
glibtop_map_entries. Use g_array_set_size(size + 1) instead.
I've run a little python benchmark and this shows a little
speedup. I hope this would be more sensible in
gnome-system-monitor (glibtop_get_procmap is intensively used for
the 'Writable Memory' column).
2005-10-29 Benoît Dejean <benoit@placenet.org>
* glibtop_private.c: (read_boot_time):
Removed 1 g_return_*.
2005-08-15 Benoît Dejean <benoit@placenet.org>
* cpu.c: (glibtop_get_cpu_s):
Do not add irq, softirq and iowait to idle.
2005-08-04 Benoît Dejean <TazForEver@dlfp.org>
* open.c: (set_linux_version), (glibtop_open_s):
Reworked a bit.
Warn on 2.6 without /sys.
2005-08-03 Benoît Dejean <TazForEver@dlfp.org>
* netload.c: (glibtop_get_netload_s):
Fixed for people running 2.6 without /sys.
2005-08-02 Benoît Dejean <TazForEver@dlfp.org>
* glibtop_server.h:
Added GLIBTOP_SUID_NETLIST.
2005-07-23 Benoît Dejean <TazForEver@dlfp.org>
* uptime.c:
Fixed .flags.
2005-07-22 Benoît Dejean <TazForEver@dlfp.org>
* glibtop_private.c: (get_page_size):
* glibtop_private.h:
* procmem.c: (glibtop_get_proc_mem_s):
* procsegment.c: (glibtop_get_proc_segment_s):
Cached getpagesize().
2005-07-09 Benoît Dejean <TazForEver@dlfp.org>
* netload.c: (read_value), (linux_2_6_stats), (linux_2_0_stats),
(linux_2_4_stats), (glibtop_get_netload_s): Split implementations.
New (simpler) implementation for 2.6 (/sys is so nice ;)
2005-07-07 Benoît Dejean <TazForEver@dlfp.org>
* glibtop_private.c: (read_boot_time), (get_boot_time): Cached boot_time.
2005-07-06 Benoît Dejean <TazForEver@dlfp.org>
Et m***e ... CVS got me. I wanted to commit a single change on the
toplevel configure.in but commited the whole tree. Sorry.
* glibtop_private.c:
* glibtop_private.h:
* proctime.c:
* uptime.c:
Added new function get_boot_time.
Retrieve boot_time from /proc/stat.
2005-06-13 Benoît Dejean <TazForEver@dlfp.org>
* glibtop_private.c: (try_file_to_buffer): Ensures buffer is 0-terminated.
2005-06-13 Benoît Dejean <TazForEver@dlfp.org>
* swap.c: (glibtop_get_swap_s): Added pagein/pageout for linux 2.6.
2005-05-26 Benoît Dejean <TazForEver@dlfp.org>
* siglist.c: Fixed compilation on mips. Closes #304570.
2005-04-01 Benoît Dejean <TazForEver@dlfp.org>
* glibtop_private.h: Fixed gcc-4.0 warnings.
2005-03-29 Benoît Dejean <TazForEver@dlfp.org>
* fsusage.c: (get_partition): Removed a g_return_if_fail.
2005-03-27 Benoît Dejean <TazForEver@dlfp.org>
* loadavg.c: (glibtop_get_loadavg_s):
* uptime.c: (glibtop_get_uptime_s): Fixed behaviour when locale is not C
s/strtod/g_ascii_strod/. (strtod behaviour is locale specific, which is bad
because linux /proc is always C.)
2005-03-25 Benoît Dejean <TazForEver@dlfp.org>
* netload.c: (get_ipv6): s/strerror/g_strerror/
2005-03-25 Benoît Dejean <TazForEver@dlfp.org>
* siglist.c: Updated.
2005-02-15 Benoît Dejean <TazForEver@dlfp.org>
* fsusage.c: Fixed G_GNUC attribute usage.
2005-01-22 Benoît Dejean <TazForEver@dlfp.org>
* procopenfiles.c: (parse_file), (get_all), (inet_socket_parser),
(get_all_inet_sockets), (local_socket_parser),
(get_all_local_sockets), (glibtop_get_proc_open_files_s): Total rewrite.
socket/localsocket should be much faster.
2005-01-16 Benoît Dejean <TazForEver@dlfp.org>
* glibtop_private.c: (skip_token):
* glibtop_private.h: Uninlined.
2005-01-13 Benoît Dejean <TazForEver@dlfp.org>
* fsusage.c: (get_partition), (get_sys_path), (linux_2_6_0): Reworked.
Should works with IDE, SCSI. DM support is ready, but i don't know why
their /stat is empty ...
2005-01-12 Benoît Dejean <TazForEver@dlfp.org>
* procopenfiles.c: (get_all_sockets),
(glibtop_get_proc_open_files_s): Parses /proc/net/tcp only once.
2005-01-10 Benoît Dejean <TazForEver@dlfp.org>
* procopenfiles.c: (get_socket_endpoint): Fixed.
2005-01-10 Benoît Dejean <TazForEver@dlfp.org>
* glibtop_server.h:
* procopenfiles.c: (get_socket_endpoint): Disabled.
(glibtop_get_proc_open_files_s): Secured -> g_snprintf.
2004-12-23 Benoît Dejean <tazforever@dlfp.org>
* fsusage.c: (_glibtop_linux_get_fsusage_read_write):
* glibtop_private.h: Marked private functions G_GNUC_INTERNAL.
2004-11-30 Benoît Dejean <tazforever@dlfp.org>
* proclist.c: (glibtop_get_proclist_s): Glibified. g_array_free which
returns a char* ! If you want to change this, please tell them
http://bugzilla.gnome.org/show_bug.cgi?id=145767 .
2004-11-28 Benoît Dejean <tazforever@dlfp.org>
* Makefile.am:
* cpu.c:
* fsusage.c:
* glibtop_private.c: (get_scaled), (try_file_to_buffer),
(file_to_buffer): Added
* glibtop_private.h: Added
* glibtop_server.c: Removed
* glibtop_server.h:
* loadavg.c:
* mem.c:
* netload.c:
* open.c:
* prockernel.c:
* procmem.c:
* procsegment.c:
* procsignal.c:
* procstate.c:
* proctime.c:
* procuid.c:
* swap.c:
* sysinfo.c:
* uptime.c: Moved linux impl utils function from glibtop_server.* to
glibtob_private.* because glibtop_server.h is a public header.
2004-11-15 Benoît Dejean <tazforever@dlfp.org>
* netload.c: (get_ipv6), (glibtop_get_netload_s): Added a check for NULL
pointer when wlaking though interfaces (though i don't understand why some
interface don't have an ifa_addr).
Move all ipv6 code into a separate function. Added a paranoid check on
getifaddrs.
2004-11-13 Benoît Dejean <tazforever@dlfp.org>
* netlist.c: (glibtop_get_netlist_s): Killed warning.
2004-10-26 Benoît Dejean <tazforever@dlfp.org>
* proctime.c: (glibtop_get_proc_time_s): Set .rtime. At last !
2004-09-24 Benoît Dejean <tazforever@dlfp.org>
* loadavg.c: (glibtop_get_loadavg_s):
* msg_limits.c: (glibtop_get_msg_limits_s):
* shm_limits.c: (glibtop_get_shm_limits_s): Small cleanup.
2004-09-23 Benoît Dejean <tazforever@dlfp.org>
* glibtop_server.c:
* glibtop_server.h:
* procmem.c: (glibtop_get_proc_mem_s):
* procsegment.c: (glibtop_get_proc_segment_s): Removed get_pageshift().
Every one can affort a * instead of a >>, no need for this kind of
non-reentrant optimization. Saved 144B (obviously perfect cleanup ;)
2004-09-22 Benoît Dejean <tazforever@dlfp.org>
* glibtop_server.c: Removed #warning, my gcc is not buggy anymore.
2004-09-21 Benoît Dejean <tazforever@dlfp.org>
* fsusage.c: (linux_2_6_0), (linux_2_4_0),
(_glibtop_linux_get_fsusage_read_write): Back to previous version.
Now set .flags correctly.
2004-09-19 Benoît Dejean <tazforever@dlfp.org>
* fsusage.c: (linux_2_6_0), (linux_2_4_0),
(_glibtop_linux_get_fsusage_read_write): Updated to match new prototype.
2004-09-19 Benoît Dejean <tazforever@dlfp.org>
* mem.c: (glibtop_get_mem_s): Added missing memset( , 0, ).
2004-08-03 Benoît Dejean <tazforever@dlfp.org>
* glibtop_server.h: Added next_token(). Changed skip_token(),
i hope it won't break any bad code.
* procstate.c: (glibtop_get_proc_state_s): Used next_token.
* proctime.c: (glibtop_get_proc_time_s): Implemented .start_time
the way it ought to be. Clean ups
2004-07-22 Benoît Dejean <tazforever@dlfp.org>
* netload.c: (glibtop_get_netload_s): Fixed leak.
* proctime.c: (glibtop_get_proc_time_s): Don't set .timeout anymore.
2004-07-17 Benoît Dejean <tazforever@dlfp.org>
* Makefile.am:
* fsusage.c: (linux_2_6_0), (linux_2_4_0),
(_glibtop_linux_get_fsusage_read_write): Added to repository. WIP.
* glibtop_server.h: LINUX_VERSION -> LINUX_VERSION_CODE
* netload.c: (glibtop_get_netload_s): Cleanups. Added support for
hardware address. s/LINUX_VERSION/LINUX_VERSION_CODE/
* open.c: (get_linux_version): s/LINUX_VERSION/LINUX_VERSION_CODE/
* procmap.c: (glibtop_get_proc_map_s): glibify: used GArray
* procuid.c: (glibtop_get_proc_uid_s): s/LINUX_VERSION/LINUX_VERSION_CODE/.
Used Linux MKDEV.
2004-07-15 Benoît Dejean <tazforever@dlfp.org>
* procstate.c: (glibtop_get_proc_state_s): Wake, we're libgtop2.7.x,
lets get rid of old buf->state format. Now using bitfield instead
letters.
2004-07-07 Benoît Dejean <tazforever@dlfp.org>
* procargs.c: (glibtop_get_proc_args_s): Fixed. error is now correctly
set to NULL before is's used. Fixed max_len behaviour.
2004-07-03 Benoît Dejean <tazforever@dlfp.org>
* sysinfo.c: (init_sysinfo): Removed useless memset.
2004-07-03 Benoît Dejean <tazforever@dlfp.org>
* glibtop_server.h:
* glibtop_server.c: (try_file_to_buffer), (file_to_buffer): Added. These
functions are commonly used. Misc cleanups.
* cpu.c: (glibtop_get_cpu_s):
* loadavg.c: (glibtop_get_loadavg_s):
* mem.c: (glibtop_get_mem_s):
* open.c: (glibtop_open_s):
* swap.c: (glibtop_get_swap_s):
* sysinfo.c: (init_sysinfo):
* uptime.c: (glibtop_get_uptime_s): Replaced open/read/close by file_to_buffer().
2004-06-18 Benoît Dejean <tazforever@dlfp.org>
* loadavg.c: (glibtop_get_loadavg_s): Whitespace cleanup.
* ppp.c: (get_ISDN_stats), (is_ISDN_on): Replace g_malloc by an
array.
* glibtop_server.c: (get_pageshift):
* glibtop_server.h:
* procmem.c: (glibtop_init_proc_mem_s), (glibtop_get_proc_mem_s):
* procsegment.c: (glibtop_init_proc_segment_s),
(glibtop_get_proc_segment_s): Moved the pageshift calculation to
glibtop_server.[ch]
* procstate.c: (glibtop_get_proc_state_s):
* procuid.c: (glibtop_get_proc_uid_s):
* sysinfo.c: (init_sysinfo): Minor cleanups.
2004-06-18 Benoît Dejean <tazforever@dlfp.org>
* netload.c: (glibtop_get_netload_s): Implemented new IPv6 feature.
2004-06-13 Benoît Dejean <tazforever@dlfp.org>
* procargs.c: (glibtop_get_proc_args_s): Replaced by g_file_get_contents.
2004-06-13 Benoît Dejean <tazforever@dlfp.org>
* glibtop_server.h:
* glibtop_server.c: (get_scaled): Cleaned.
(proc_file_to_buffer): Uninlined.
* sysinfo.c: (init_sysinfo): Re-implemented.
Fixed segfault on SMP.
Stores keys in cpuinfo->labels.
2004-06-12 Benoît Dejean <tazforever@dlfp.org>
* Makefile.am:
* glibtop_server.c: Added to repository.
* glibtop_server.h: (get_scaled): Uninlined and moved it to glibtop_server.c.
(skip_token) : Fixed indentation.
* procmap.c: (glibtop_get_proc_map_s): Big cleanup. Better allocation
algorithm.
* procmem.c:
* procsegment.c: Added missing initializations.
* sem_limits.c:
* shm_limits.c: (glibtop_get_shm_limits_s):
* swap.c:
* uptime.c: Added missing const qualifiers.
* sysinfo.c: (init_sysinfo): Added missing 0 initialization.
Saved 1 gboolean :D.
2004-06-08 Benoît Dejean <tazforever@dlfp.org>
* procuid.c: (glibtop_get_proc_uid_s): Whitespace clean up.
2004-06-08 Benoît Dejean <tazforever@dlfp.org>
* glibtop_server.h: Small clean up.
2004-06-07 Benoît Dejean <tazforever@dlfp.org>
* glibtop_machine.h (skip_token): Removed.
* glibtop_server.h (skip_multiple_token): Cleaned.
* netload.c: (glibtop_get_netload_s): Replaced unsafe strcpy by g_strlcpy.
* procmap.c: (glibtop_get_proc_map_s): s/strncpy/g_strlcpy/.
* procstate.c: (glibtop_get_proc_state_s): Likewise.
* sysinfo.c: (init_sysinfo): Cleaned.
2004-05-26 Benoît Dejean <tazforever@dlfp.org>
* cpu.c: (glibtop_get_cpu_s): Cleaned whitespaces.
* open.c: (get_linux_version), (glibtop_open_s): Removed get_linux_version()
Cleaned. Remove static struct utsname.
2004-05-26 Benoît Dejean <tazforever@dlfp.org>
* glibtop_server.h:
* open.c:
* procuid.c: Moved LINUX_VERSION macro to glibtop_server.h.
* Changelog: Converted to UTF-8.
2004-05-19 Benoît Dejean <TazForEver@dlfp.org>
* glibtop_server.h (skip_line): Added test for end of string.
(get_scaled): Cleaned.
* cpu.c (glibtop_get_cpu_s):
* open.c (glibtop_open_s): Fixed SMP detection. Closes #142597.
* uptime.c (glibtop_get_uptime_s): Added boot_time.
2004-03-09 Bastien Nocera <hadess@hadess.net>
* cpu.c: (glibtop_get_cpu_s): fixup CPU usage calculation on 2.6
kernels (patch by Benoît Dejean <bnet@ifrance.com>) (Closes: #134252)
2004-03-04 Bastien Nocera <hadess@hadess.net>
* ppp.c: use a config.h define instead of copying the values in
the file (Closes: #126504)
2004-02-02 Sebastien Bacher <seb128@debian.org>
* sysdeps/linux/mem.c: (glibtop_get_mem_s): patch from
Benoît Dejean <bnet@ifrance.com> to fix libtop_mem.used
and glibtop_mem.shared values (Closes: #129863).
2003-12-23 Bastien Nocera <hadess@hadess.net>
* cpu.c: (glibtop_get_cpu_s):
* glibtop_server.h:
* loadavg.c: (glibtop_get_loadavg_s):
* mem.c: (glibtop_get_mem_s):
* netload.c: (glibtop_get_netload_s):
* prockernel.c: (glibtop_get_proc_kernel_s):
* procmem.c: (glibtop_get_proc_mem_s):
* procsegment.c: (glibtop_get_proc_segment_s):
* procsignal.c: (glibtop_get_proc_signal_s):
* proctime.c: (glibtop_get_proc_time_s):
* procuid.c: (glibtop_get_proc_uid_s):
* swap.c: (glibtop_get_swap_s): Apply patch from Benoît Dejean
<bnet@ifrance.com> to fix overflow issues using strtol
(Closes: #129881)
2003-12-23 Bastien Nocera <hadess@hadess.net>
* mem.c: (glibtop_get_mem_s): Fix calculation of used memory,
patch by Benoît Dejean, <bnet@ifrance.com> (Closes: #129863)
2003-12-07 Jon K Hellan <hellan@acm.org>
* ppp.c: Copy needed defines from linux/isdn.h instead of
including it, unbreaking build with linux 2.6 kernel headers.
2003-10-21 Bastien Nocera <hadess@hadess.net>
* Makefile.am: install only one library, libgtop-2.0
Fix build-time warnings due to the redefinition of guint64
2003-10-20 Bastien Nocera <hadess@hadess.net>
* glibtop_server.h:
* mem.c: (glibtop_get_mem_s):
* swap.c: (glibtop_get_swap_s): committing patch from Sebastien
Bacher <seb128@debian.org> for Linux 2.6 support (Closes: #104747)
2003-10-20 Bastien Nocera <hadess@hadess.net>
* cpu.c: (glibtop_get_cpu_s):
* procmap.c: (glibtop_get_proc_map_s): s/u_int64_t/guint64/
2003-10-20 Bastien Nocera <hadess@hadess.net>
* glibtop_machine.h:
* glibtop_server.h:
* ppp.c:
* procargs.c: (glibtop_get_proc_args_s):
* proclist.c:
* procmap.c: fixed compilation
2003-10-20 Bastien Nocera <hadess@hadess.net>
* ppp.c: (get_ISDN_stats):
* procargs.c: (glibtop_get_proc_args_s):
* proclist.c: (glibtop_get_proclist_s):
* procmap.c: (glibtop_get_proc_map_s):
replace all the xmalloc crap by glib memory management functions
2001-10-17 Abel Cheung <maddog@linux.org.hk>
* Makefile.am: move header to $(includedir)/libgtop-1.0/glibtop.
2001-02-13 Martin Baulig <baulig@suse.de>
Fix bug #14076.
* open.c (glibtop_open_s): Check whether /proc/1/cpu exists to
detect SMP support rather than reading /proc/stat; on Linux 2.4.x,
/proc/stat has "cpu" and "cpu0" entries even for non-SMP systems.
2000-01-22 Martin Baulig <martin@home-of-linux.org>
* procargs.c (glibtop_get_proc_args_s): Set correct `buf->size' and
`buf->flags' fields when `max_length' was given. Fixes #5183.
1999-11-28 Martin Baulig <martin@home-of-linux.org>
* procstate.c (glibtop_get_procstate_s): Stat "/proc/<pid>" instead
of "/proc/<pid>/state" to get `uid' and `gid'. Thanks to Jason Becker
for pointing out that GTop reported wrong uid's.
1999-10-19 Martin Baulig <martin@home-of-linux.org>
* uptime.c (glibtop_get_uptime_s): Don't cast uptime and idletime
to float as suggested by John Kodis.
1999-07-29 Martin Baulig <martin@home-of-linux.org>
* proctime.c (glibtop_get_proctime_s): Don't provide `rtime'
any longer since we must not use `rtime = utime + stime'.
1999-02-20 Martin Baulig <martin@home-of-linux.org>
* netload.c: Don't include <linux/ip_fw.h> for libc5 systems
since it is no longer required and makes trouble on Slakware.
1999-01-06 Martin Baulig <martin@home-of-linux.org>
* netload.c (glibtop_get_netload_s): Use `server->os_version_code'
instead of GLIBTOP_LINUX_VERSION_CODE.
1999-01-06 Martin Baulig <martin@home-of-linux.org>
Unconditionally enable SMP support for linux.
* open.c (_glibtop_open_s): Always determine the number of CPUs
we have here, not only when SMP support was enabled.
* cpu.c, proctime.c: Use `server->ncpu' to determine whether to
enable SMP support.
1998-12-28 Martin Baulig <martin@home-of-linux.org>
* netload.c: When using glibc, don't include <netinet/ip_fw.h>
any longer but all headers that were included there; we only
needed this file to get those headers.
1998-12-09 Martin Baulig <martin@home-of-linux.org>
* procargs.c (glibtop_get_proc_args_s): Added implementation
for this function.
1998-12-03 Martin Baulig <martin@home-of-linux.org>
* netload.c: No longer include <linux/version.h>, but use
GLIBTOP_LINUX_VERSION_CODE which is set by configure instead.
Define _GLIBTOP_IP_FW_ACCTIN and _GLIBTOP_IP_FW_ACCTOUT here
and use them instead of IP_FW_F_ACCTIN and IP_FW_F_ACCTOUT.
1998-11-30 Martin Baulig <martin@home-of-linux.org>
* netload.c: Use correct header files both for libc5 and glibc.
With Linux >= 2.1.114 we no longer use IP accounting since it
already has byte counts in /proc/net/dev.
1998-11-22 Martin Baulig <baulig@merkur.uni-trier.de>
* netload.c (glibtop_get_netload_s): Added implementation
for this function.
The code here is smart enough to use /proc/net/ip_acct if
IP accounting is enabled in the kernel and activated on the
requested device and /proc/net/dev if not.
To get separate statistics for received and transmitted
packets you need to use two accounting rules:
ipfwadm -A in -a -P all -W eth0
ipfwadm -A out -a -P all -W eth0
But before you activate IP accounting, please have a look
at /proc/net/dev - if if already contains byte counters,
then don't use IP accounting.
1998-10-28 Martin Baulig <martin@home-of-linux.org>
* ppp.c: Added code for ISDN here.
1998-10-26 Martin Baulig <martin@home-of-linux.org>
* netload.c: New file. Currently empty.
1998-10-26 Martin Baulig <martin@home-of-linux.org>
* procargs.c: New file. Currently empty.
1998-10-25 Martin Baulig <martin@home-of-linux.org>
* ppp.c: New file. Currently empty.
1998-10-11 Martin Baulig <martin@home-of-linux.org>
* procdata.c: Removed this obsolete file.
1998-10-02 Martin Baulig <martin@home-of-linux.org>
* proclist.c (glibtop_init_proclist_s): You can now also use the
`GLIBTOP_EXCLUDE_*' flags for the `which' parameter.
1998-10-01 Martin Baulig <baulig@Stud.Informatik.uni-trier.de>
* proclist.c (glibtop_init_proclist_s): Honor the `which' parameter
to select which processes to fetch.
1998-09-12 Martin Baulig <martin@home-of-linux.org>
* sysinfo.c: New file.
1998-09-09 Martin Baulig <baulig@Stud.Informatik.uni-trier.de>
* proctime.c (glibtop_get_proc_time_s): Added SMP support.
* open.c (glibtop_init_s): Initialize `ncpu' on SMP systems.
* cpu.c (glibtop_get_cpu_s): Added SMP support.
* ChangeLog: New file.

23
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

29
sysdeps/linux/close.c Normal file
View File

@@ -0,0 +1,29 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/close.h>
/* Closes pipe to gtop server. */
void
glibtop_close_s (glibtop *server)
{ }

151
sysdeps/linux/cpu.c Normal file
View File

@@ -0,0 +1,151 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/error.h>
#include <glibtop/cpu.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_cpu =
(1L << GLIBTOP_CPU_TOTAL) + (1L << GLIBTOP_CPU_USER) +
(1L << GLIBTOP_CPU_NICE) + (1L << GLIBTOP_CPU_SYS) +
(1L << GLIBTOP_CPU_IDLE) + (1L << GLIBTOP_CPU_FREQUENCY);
static const unsigned long _glibtop_sysdeps_cpu_smp =
(1L << GLIBTOP_XCPU_TOTAL) + (1L << GLIBTOP_XCPU_USER) +
(1L << GLIBTOP_XCPU_NICE) + (1L << GLIBTOP_XCPU_SYS) +
(1L << GLIBTOP_XCPU_IDLE);
static const unsigned long _glibtop_sysdeps_cpu_2_6 =
(1L << GLIBTOP_CPU_IOWAIT) + (1L << GLIBTOP_CPU_IRQ) +
(1L << GLIBTOP_CPU_SOFTIRQ);
static const unsigned long _glibtop_sysdeps_cpu_smp_2_6 =
(1L << GLIBTOP_XCPU_IOWAIT) + (1L << GLIBTOP_XCPU_IRQ) +
(1L << GLIBTOP_XCPU_SOFTIRQ);
/* Init function. */
void
_glibtop_init_cpu_s (glibtop *server)
{
server->sysdeps.cpu = _glibtop_sysdeps_cpu;
if (server->ncpu)
server->sysdeps.cpu |= _glibtop_sysdeps_cpu_smp;
if(server->os_version_code >= LINUX_VERSION_CODE(2, 6, 0))
{
server->sysdeps.cpu |= _glibtop_sysdeps_cpu_2_6;
if (server->ncpu)
server->sysdeps.cpu |= _glibtop_sysdeps_cpu_smp_2_6;
}
}
/* Provides information about cpu usage. */
#define FILENAME "/proc/stat"
#define STAT_BUFSIZ 81920
void
glibtop_get_cpu_s (glibtop *server, glibtop_cpu *buf)
{
char buffer [STAT_BUFSIZ], *p;
int i;
memset (buf, 0, sizeof (glibtop_cpu));
file_to_buffer(server, buffer, sizeof buffer, FILENAME);
/*
* GLOBAL
*/
p = skip_token (buffer); /* "cpu" */
buf->user = strtoull (p, &p, 0);
buf->nice = strtoull (p, &p, 0);
buf->sys = strtoull (p, &p, 0);
buf->idle = strtoull (p, &p, 0);
buf->total = buf->user + buf->nice + buf->sys + buf->idle;
/* 2.6 kernel */
if(server->os_version_code >= LINUX_VERSION_CODE(2, 6, 0))
{
buf->iowait = strtoull(p, &p, 0);
buf->irq = strtoull(p, &p, 0);
buf->softirq = strtoull(p, &p, 0);
buf->total += buf->iowait + buf->irq + buf->softirq;
}
buf->frequency = 100;
buf->flags = _glibtop_sysdeps_cpu;
/*
* PER CPU
*/
for (i = 0; i <= server->ncpu; i++) {
p = skip_line(p); /* move to ^ */
if (!check_cpu_line_warn(server, p, i))
break;
p = skip_token(p); /* "cpuN" */
buf->xcpu_user [i] = strtoull (p, &p, 0);
buf->xcpu_nice [i] = strtoull (p, &p, 0);
buf->xcpu_sys [i] = strtoull (p, &p, 0);
buf->xcpu_idle [i] = strtoull (p, &p, 0);
buf->xcpu_total[i] = buf->xcpu_user [i] \
+ buf->xcpu_nice [i] \
+ buf->xcpu_sys [i] \
+ buf->xcpu_idle [i];
/* 2.6 kernel */
if(server->os_version_code >= LINUX_VERSION_CODE(2, 6, 0))
{
buf->xcpu_iowait [i] = strtoull(p, &p, 0);
buf->xcpu_irq [i] = strtoull(p, &p, 0);
buf->xcpu_softirq [i] = strtoull(p, &p, 0);
buf->xcpu_total [i] += buf->xcpu_iowait [i] \
+ buf->xcpu_irq [i] \
+ buf->xcpu_softirq [i];
}
}
if(server->ncpu) /* ok, that's a real SMP */
buf->flags |= _glibtop_sysdeps_cpu_smp;
if(server->os_version_code >= LINUX_VERSION_CODE(2, 6, 0))
{
buf->flags |= _glibtop_sysdeps_cpu_2_6;
if(server->ncpu) /* ok, that's a real SMP */
buf->flags |= _glibtop_sysdeps_cpu_smp_2_6;
}
}

214
sysdeps/linux/fsusage.c Normal file
View File

@@ -0,0 +1,214 @@
#include <config.h>
#include <glibtop.h>
#include <glibtop/fsusage.h>
#include <glibtop/error.h>
#include "glibtop_private.h"
#include <glib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <linux/kdev_t.h>
#include <sys/statvfs.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <mntent.h>
/*
* Linux 2.6.x
* linux/Documentation/iostats.txt
*/
static gboolean
get_device(glibtop* server, const char *mountpoint,
char* device, size_t device_size)
{
const struct mntent *mnt;
FILE *fp;
gboolean found = FALSE;
if (!(fp = setmntent(MOUNTED, "r"))) {
glibtop_warn_io_r(server, "Could not open %s", MOUNTED);
goto out;
}
while ((mnt = getmntent(fp)))
{
/* There can be multiple root mount entries, skip the unuseful one */
if (!strcmp(mnt->mnt_fsname, "rootfs"))
continue;
if (!strcmp(mountpoint, mnt->mnt_dir)) {
if (!strncmp(mnt->mnt_fsname, "/dev/", 5)) {
g_strlcpy(device, mnt->mnt_fsname + 5, device_size);
found = TRUE;
}
break;
}
}
endmntent(fp);
out:
return found;
}
/*
TRUE if device is like "hda3" and then set prefix to "hda".
*/
static gboolean
is_partition(const char* device, char* prefix, size_t prefix_size)
{
g_strlcpy(prefix, device, prefix_size);
for ( ; *prefix; prefix++) {
if (isdigit(*prefix)) {
*prefix = '\0';
return TRUE;
}
}
return FALSE;
}
/*
Bug #539360.
/sys/.../stat format is partially defined in
linux/Documentation/block/stat.txt (looks outdated). Before linux
2.5.25, /sys/block/%s/stat and /sys/block/%s/%s/stat were not the
same, but the following commit changed the latter to have the same
format and broke compatibility.
Commit 34e8beac92c27d292938065f8375842d2840767c
Author: Jerome Marchand <jmarchan@redhat.com>
Date: Fri Feb 8 11:04:55 2008 +0100
Enhanced partition statistics: sysfs
Reports enhanced partition statistics in sysfs.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
fs/partitions/check.c | 22 +++++++++++++++++++---
1 files changed, 19 insertions(+), 3 deletions(-)
*/
static void
get_sys_path(glibtop* server, const char *device, char **stat_path, const char **parse_format)
{
const char* linux_2_6_25_format = "%*llu %*llu %llu %*llu"
"%*llu %*llu %llu %*llu";
char prefix[32];
if (is_partition(device, prefix, sizeof prefix)) {
*stat_path = g_strdup_printf("/sys/block/%s/%s/stat",
prefix, device);
if (server->os_version_code < LINUX_VERSION_CODE(2, 6, 25))
*parse_format = "%*llu %llu %*llu %llu";
else
*parse_format = linux_2_6_25_format;
}
else
{
*stat_path = g_strdup_printf("/sys/block/%s/stat", device);
if (server->os_version_code < LINUX_VERSION_CODE(2, 6, 25))
*parse_format = "%*llu %*llu %llu %*llu %*llu %*llu %llu";
else
*parse_format = linux_2_6_25_format;
}
}
static void linux_2_6_0(glibtop *server, glibtop_fsusage *buf, const char *path)
{
char *filename = NULL;
const char *format;
int ret;
char buffer[BUFSIZ];
char device[64];
if (!get_device(server, path, device, sizeof device))
goto out;
get_sys_path(server, device, &filename, &format);
ret = try_file_to_buffer(buffer, sizeof buffer, "%s", filename);
if (ret < 0) goto out;
if (sscanf(buffer, format, &buf->read, &buf->write) != 2) {
glibtop_warn_io_r(server, "Could not parse %s", filename);
goto out;
}
buf->flags |= (1 << GLIBTOP_FSUSAGE_READ) | (1 << GLIBTOP_FSUSAGE_WRITE);
out:
g_free(filename);
}
static void linux_2_4_0(glibtop *server, glibtop_fsusage *buf, const char *path)
{
}
static void
get_fsusage_read_write(glibtop *server, glibtop_fsusage *buf, const char *path)
{
if(server->os_version_code >= LINUX_VERSION_CODE(2, 6, 0))
{
linux_2_6_0(server, buf, path);
}
else if(server->os_version_code >= LINUX_VERSION_CODE(2, 4, 0))
{
linux_2_4_0(server, buf, path);
}
}
/* the following comes from sysdeps/common/mountlist.c if copyright matters...
*/
static const unsigned long _glibtop_sysdeps_fsusage =
(1L << GLIBTOP_FSUSAGE_BLOCKS) + (1L << GLIBTOP_FSUSAGE_BFREE)
+ (1L << GLIBTOP_FSUSAGE_BAVAIL) + (1L << GLIBTOP_FSUSAGE_FILES)
+ (1L << GLIBTOP_FSUSAGE_FFREE) + (1L << GLIBTOP_FSUSAGE_BLOCK_SIZE);
void
glibtop_get_fsusage_s(glibtop *server, glibtop_fsusage *buf, const char *path)
{
struct statvfs fsd;
memset(buf, 0, sizeof(glibtop_fsusage));
if (statvfs(path, &fsd) < 0) {
glibtop_warn_r(server, "statvfs '%s' failed: %s", path, strerror (errno));
return;
}
buf->blocks = fsd.f_blocks;
buf->bfree = fsd.f_bfree;
buf->bavail = (fsd.f_bavail > fsd.f_bfree) ? 0 : fsd.f_bavail;
buf->files = fsd.f_files;
buf->ffree = fsd.f_ffree;
buf->block_size = fsd.f_bsize;
buf->flags = _glibtop_sysdeps_fsusage;
/* setting additional flags is delegated */
get_fsusage_read_write(server, buf, path);
}

View File

@@ -0,0 +1,35 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef __GLIBTOP_MACHINE_H__
#define __GLIBTOP_MACHINE_H__
#include <glib.h>
G_BEGIN_DECLS
struct _glibtop_machine
{
};
G_END_DECLS
#endif

View File

@@ -0,0 +1,223 @@
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include "glibtop_private.h"
#include <glib.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <fcntl.h>
#include <unistd.h>
unsigned long long
get_scaled(const char *buffer, const char *key)
{
const char *ptr = buffer;
char *next;
unsigned long long value;
if (key) {
if (G_LIKELY((ptr = strstr(buffer, key))))
ptr += strlen(key);
else {
g_warning("Could not read key '%s' in buffer '%s'",
key, buffer);
return 0;
}
}
value = strtoull(ptr, &next, 0);
for ( ; *next; ++next) {
if (*next == 'k') {
value *= 1024;
break;
} else if (*next == 'M') {
value *= 1024 * 1024;
break;
}
}
return value;
}
char *
skip_token (const char *p)
{
p = next_token(p);
while (*p && !g_ascii_isspace(*p)) p++;
p = next_token(p);
return (char *)p;
}
/*
* Read functions
*/
enum TRY_FILE_TO_BUFFER
{
TRY_FILE_TO_BUFFER_OK = 0,
TRY_FILE_TO_BUFFER_OPEN = -1,
TRY_FILE_TO_BUFFER_READ = -2
};
/*
* Doesn't handle bufsiz == 0
*/
int try_file_to_buffer(char *buffer, size_t bufsiz, const char *format, ...)
{
char path[4096];
int fd;
size_t len = 0;
ssize_t nread = 0;
va_list pa;
if (G_UNLIKELY(bufsiz <= sizeof(char*)))
g_warning("Huhu, bufsiz of %lu looks bad", (gulong)bufsiz);
va_start(pa, format);
/* C99 also provides vsnprintf */
g_vsnprintf(path, sizeof path, format, pa);
va_end(pa);
bufsiz--; /* reserve 1 for trailing NUL */
buffer [0] = '\0';
if((fd = open (path, O_RDONLY)) < 0)
return TRY_FILE_TO_BUFFER_OPEN;
while (len < bufsiz) {
nread = read (fd, buffer + len, bufsiz - len);
if (G_UNLIKELY(nread < 0)) {
if (errno == EINTR)
continue;
else
break;
}
len += nread;
if (nread == 0)
break;
}
close (fd);
if (nread < 0)
return TRY_FILE_TO_BUFFER_READ;
buffer [len] = '\0';
return TRY_FILE_TO_BUFFER_OK;
}
void
file_to_buffer(glibtop *server, char *buffer, size_t bufsiz, const char *filename)
{
switch(try_file_to_buffer(buffer, bufsiz, "%s", filename))
{
case TRY_FILE_TO_BUFFER_OPEN:
glibtop_error_io_r (server, "open (%s)", filename);
case TRY_FILE_TO_BUFFER_READ:
glibtop_error_io_r (server, "read (%s)", filename);
}
}
static unsigned long
read_boot_time(glibtop *server)
{
char* line = NULL;
size_t size = 0;
FILE* stat;
unsigned long btime = 0;
if (!(stat = fopen("/proc/stat", "r"))) {
glibtop_error_io_r(server, "fopen(\"/proc/stat\")");
goto out;
}
while (getline(&line, &size, stat) != -1) {
if (!strncmp(line, "btime", 5)) {
btime = strtoul(skip_token(line), NULL, 10);
break;
}
}
free(line);
fclose(stat);
out:
return btime;
}
unsigned long
get_boot_time(glibtop *server)
{
static unsigned long boot_time = 0UL;
if(G_UNLIKELY(!boot_time))
{
boot_time = read_boot_time(server);
}
return boot_time;
}
gboolean
check_cpu_line(glibtop *server, const char *line, unsigned i)
{
char start[10];
g_snprintf(start, sizeof start, "cpu%u", i);
return g_str_has_prefix(line, start);
}
gboolean
has_sysfs(void)
{
static gboolean init;
static gboolean sysfs;
if (G_UNLIKELY(!init)) {
sysfs = g_file_test("/sys", G_FILE_TEST_IS_DIR);
init = TRUE;
}
return sysfs;
}
gboolean safe_readlink(const char *path, char *buf, size_t bufsiz)
{
ssize_t ret;
ret = readlink(path, buf, bufsiz - 1);
if (ret == -1) {
g_warning("Could not read link %s : %s", path, strerror(errno));
return FALSE;
}
buf[ret] = '\0';
return TRUE;
}

View File

@@ -0,0 +1,153 @@
/* Copyright (C) 2004 Benoît Dejean
This file is part of LibGTop 2.0.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef __LINUX__GLIBTOP_PRIVATE_H__
#define __LINUX__GLIBTOP_PRIVATE_H__
#include <glibtop.h>
#include <glibtop/error.h>
#include <glib.h>
#include <fcntl.h>
#include <ctype.h>
#include <string.h>
G_BEGIN_DECLS
#define LINUX_VERSION_CODE(x,y,z) (0x10000*(x) + 0x100*(y) + z)
static inline char*
next_token(const char *p)
{
while (g_ascii_isspace(*p)) p++;
return (char*) p;
}
char *
skip_token (const char *p);
static inline char *
skip_multiple_token (const char *p, size_t count)
{
while(count--)
p = skip_token (p);
return (char *)p;
}
static inline char *
skip_line (const char *p)
{
while (*p && *p != '\n') p++;
return (char *) (*p ? p+1 : p);
}
/*
* Smart strtoul which handles binary suffixes
* e.g: get_scaled("Size: 32 kB", "Size:") == 32768
* key can be NULL if there's not prefix to strip (or prefix size is known
*/
unsigned long long
get_scaled(const char *buffer, const char *key);
/* aborts on error */
void
file_to_buffer(glibtop *server, char *buffer, size_t bufsiz, const char *filename);
/* return < 0 on error, otherwise 0 on success */
int
try_file_to_buffer(char *buffer, size_t bufsiz, const char *format, ...) G_GNUC_PRINTF(3, 4);
/* some inline functions that wrap proc path
* as fast as macros :)
*/
static inline int
proc_file_to_buffer (char *buffer, size_t bufsiz, const char *fmt, pid_t pid)
{
return try_file_to_buffer(buffer, bufsiz, fmt, pid);
}
static inline int
proc_stat_to_buffer (char *buffer, size_t bufsiz, pid_t pid)
{
return proc_file_to_buffer(buffer, bufsiz, "/proc/%d/stat", pid);
}
static inline int
proc_status_to_buffer (char *buffer, size_t bufsiz, pid_t pid)
{
return proc_file_to_buffer(buffer, bufsiz, "/proc/%d/status", pid);
}
static inline int
proc_statm_to_buffer (char *buffer, size_t bufsiz, pid_t pid)
{
return proc_file_to_buffer(buffer, bufsiz, "/proc/%d/statm", pid);
}
static inline char *
proc_stat_after_cmd (char *p)
{
p = strrchr (p, ')');
if (G_LIKELY(p))
*p++ = '\0';
return p;
}
unsigned long
get_boot_time(glibtop *server);
gboolean
check_cpu_line(glibtop *server, const char *line, unsigned n);
static inline gboolean
check_cpu_line_warn(glibtop *server, const char *line, unsigned i)
{
gboolean ret;
ret = check_cpu_line(server, line, i);
if (G_UNLIKELY(!ret))
glibtop_warn_io_r(server,
"'%s' does not start with 'cpu%u'",
line, i);
return ret;
}
gboolean
has_sysfs(void) G_GNUC_CONST;
gboolean safe_readlink(const char *path, char *buf, size_t bufsiz);
G_END_DECLS
#endif /* __LINUX__GLIBTOP_PRIVATE_H__ */

View File

@@ -0,0 +1,51 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef __LINUX__GLIBTOP_SERVER_H__
#define __LINUX__GLIBTOP_SERVER_H__
#define GLIBTOP_SUID_CPU 0
#define GLIBTOP_SUID_MEM 0
#define GLIBTOP_SUID_SWAP 0
#define GLIBTOP_SUID_UPTIME 0
#define GLIBTOP_SUID_LOADAVG 0
#define GLIBTOP_SUID_SHM_LIMITS 0
#define GLIBTOP_SUID_MSG_LIMITS 0
#define GLIBTOP_SUID_SEM_LIMITS 0
#define GLIBTOP_SUID_PROCLIST 0
#define GLIBTOP_SUID_PROC_STATE 0
#define GLIBTOP_SUID_PROC_UID 0
#define GLIBTOP_SUID_PROC_MEM 0
#define GLIBTOP_SUID_PROC_TIME 0
#define GLIBTOP_SUID_PROC_SIGNAL 0
#define GLIBTOP_SUID_PROC_KERNEL 0
#define GLIBTOP_SUID_PROC_SEGMENT 0
#define GLIBTOP_SUID_PROC_ARGS 0
#define GLIBTOP_SUID_PROC_MAP 0
#define GLIBTOP_SUID_NETLOAD 0
#define GLIBTOP_SUID_NETLIST 0
#define GLIBTOP_SUID_PROC_WD 0
#define GLIBTOP_SUID_PROC_AFFINITY 0
#define GLIBTOP_SUID_PPP 0
#define GLIBTOP_SUID_PROC_FILE 0
#define GLIBTOP_SUID_PROC_IO 0
#endif /* __LINUX__GLIBTOP_SERVER_H__ */

81
sysdeps/linux/loadavg.c Normal file
View File

@@ -0,0 +1,81 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/error.h>
#include <glibtop/loadavg.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_loadavg =
(1L << GLIBTOP_LOADAVG_LOADAVG);
static const unsigned long _glibtop_sysdeps_loadavg_tasks =
(1L << GLIBTOP_LOADAVG_NR_RUNNING) +
(1L << GLIBTOP_LOADAVG_NR_TASKS) +
(1L << GLIBTOP_LOADAVG_LAST_PID);
/* Init function. */
void
_glibtop_init_loadavg_s (glibtop *server)
{
server->sysdeps.loadavg = _glibtop_sysdeps_loadavg;
}
/* Provides load load averange. */
#define FILENAME "/proc/loadavg"
void
glibtop_get_loadavg_s (glibtop *server, glibtop_loadavg *buf)
{
char buffer [BUFSIZ], *p, *old;
memset (buf, 0, sizeof (glibtop_loadavg));
file_to_buffer(server, buffer, sizeof buffer, FILENAME);
buf->loadavg [0] = g_ascii_strtod (buffer, &p);
buf->loadavg [1] = g_ascii_strtod (p, &p);
buf->loadavg [2] = g_ascii_strtod (p, &p);
buf->flags = _glibtop_sysdeps_loadavg;
p = next_token(p);
/* Older Linux versions don't have the nr_running/nr_tasks fields. */
old = p;
while (*p) {
if (*p == '/')
break;
if (!isdigit (*p))
return;
p++;
}
buf->nr_running = strtoull (old, &p, 0); p++;
buf->nr_tasks = strtoull (p, &p, 0);
buf->last_pid = strtoull (p, &p, 0);
buf->flags |= _glibtop_sysdeps_loadavg_tasks;
}

71
sysdeps/linux/mem.c Normal file
View File

@@ -0,0 +1,71 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/error.h>
#include <glibtop/mem.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_mem =
(1L << GLIBTOP_MEM_TOTAL) + (1L << GLIBTOP_MEM_USED) +
(1L << GLIBTOP_MEM_FREE) + (1L << GLIBTOP_MEM_SHARED) +
(1L << GLIBTOP_MEM_BUFFER) + (1L << GLIBTOP_MEM_CACHED) +
(1L << GLIBTOP_MEM_USER);
/* Init function. */
void
_glibtop_init_mem_s (glibtop *server)
{
server->sysdeps.mem = _glibtop_sysdeps_mem;
}
/* Provides information about memory usage. */
#define FILENAME "/proc/meminfo"
void
glibtop_get_mem_s (glibtop *server, glibtop_mem *buf)
{
char buffer [BUFSIZ];
memset(buf, 0, sizeof *buf);
file_to_buffer(server, buffer, sizeof buffer, FILENAME);
/* try to match procps's `free` */
buf->total = get_scaled(buffer, "MemTotal:");
buf->free = get_scaled(buffer, "MemFree:");
buf->used = buf->total - buf->free;
buf->shared = get_scaled(buffer, "Shmem:");
buf->buffer = get_scaled(buffer, "Buffers:");
buf->cached = get_scaled(buffer, "Cached:") + get_scaled(buffer, "Slab:");
if (server->os_version_code >= LINUX_VERSION_CODE(3, 14, 0)) {
buf->user = buf->total - get_scaled(buffer, "MemAvailable:");
}
else {
buf->user = buf->total - buf->free - buf->cached - buf->buffer;
}
buf->flags = _glibtop_sysdeps_mem;
}

167
sysdeps/linux/mountlist.c Normal file
View File

@@ -0,0 +1,167 @@
/* mountlist.c -- return a list of mounted filesystems
Copyright (C) 1991, 1992 Free Software Foundation, Inc.
This file is a fork of sysdeps/common/mountlist.c.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/*
Local Variables:
mode: C
c-file-style: "gnu"
End:
*/
#include <config.h>
#include <stdio.h>
#include <mntent.h>
#include <glibtop.h>
#include <glibtop/mountlist.h>
#include <glibtop/error.h>
/* IgnoreList */
typedef struct
{
GHashTable *table;
} IgnoreList;
static IgnoreList*
ignore_list_new(void)
{
IgnoreList* ig;
ig = g_new(IgnoreList, 1);
ig->table = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
return ig;
}
static void
ignore_list_delete(IgnoreList* ig)
{
if (ig) {
g_hash_table_destroy(ig->table);
g_free(ig);
}
}
static void
ignore_list_add(IgnoreList* ig, const char* fs)
{
g_hash_table_insert(ig->table, g_strdup(fs), GINT_TO_POINTER(1));
}
static gboolean
ignore_list_has(IgnoreList* ig, const char* fs)
{
gpointer data;
data = g_hash_table_lookup(ig->table, fs);
return data != NULL;
}
/* ~IgnoreList */
static gboolean
ignore_fs(const char *fstype, IgnoreList** ig)
{
if (!*ig) {
FILE* fs;
char line[128];
*ig = ignore_list_new();
ignore_list_add(*ig, "none");
if ((fs = fopen("/proc/filesystems", "r")) != NULL) {
while (fgets(line, sizeof line, fs)) {
if (!strncmp(line, "nodev", 5)) {
char *type;
type = g_strstrip(line + 5);
ignore_list_add(*ig, type);
}
}
fclose(fs);
}
}
return ignore_list_has(*ig, fstype);
}
glibtop_mountentry *
glibtop_get_mountlist_s(glibtop *server, glibtop_mountlist *buf, int all_fs)
{
const struct mntent *mnt;
FILE *fp;
GArray* entries;
IgnoreList* ig = NULL;
memset(buf, 0, sizeof(glibtop_mountlist));
/* wild guess, preallocate 8 entries
on a desktop, almost everyone has / and a tmpfs for udev
if all_fs, there are also proc, sys, fuse, binfmt, etc */
entries = g_array_sized_new(FALSE, FALSE, sizeof(glibtop_mountentry), 8);
if (!(fp = setmntent(MOUNTED, "r"))) {
glibtop_warn_io_r(server, "Could not open %s", MOUNTED);
goto out;
}
while ((mnt = getmntent(fp)))
{
glibtop_mountentry *me;
const char *devopt;
gsize len;
if (!all_fs && ignore_fs(mnt->mnt_type, &ig))
continue;
len = entries->len;
g_array_set_size(entries, len + 1);
me = &g_array_index(entries, glibtop_mountentry, len);
g_strlcpy(me->devname, mnt->mnt_fsname, sizeof me->devname);
g_strlcpy(me->mountdir, mnt->mnt_dir, sizeof me->mountdir);
g_strlcpy(me->type, mnt->mnt_type, sizeof me->type);
devopt = strstr(mnt->mnt_opts, "dev=");
me->dev = (devopt ? strtoull(devopt + sizeof "dev=", NULL, 0) : (dev_t)-1);
}
endmntent(fp);
out:
ignore_list_delete(ig);
buf->size = sizeof(glibtop_mountentry);
buf->number = entries->len;
buf->total = buf->number * buf->size;
buf->flags = (1 << GLIBTOP_MOUNTLIST_SIZE)
| (1 << GLIBTOP_MOUNTLIST_NUMBER)
| (1 << GLIBTOP_MOUNTLIST_TOTAL);
return (glibtop_mountentry*) g_array_free(entries, FALSE);
}

View File

@@ -0,0 +1,61 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/msg_limits.h>
#include <sys/ipc.h>
#include <sys/msg.h>
static const unsigned long _glibtop_sysdeps_msg_limits =
(1L << GLIBTOP_IPC_MSGPOOL) + (1L << GLIBTOP_IPC_MSGMAP) +
(1L << GLIBTOP_IPC_MSGMAX) + (1L << GLIBTOP_IPC_MSGMNB) +
(1L << GLIBTOP_IPC_MSGMNI) + (1L << GLIBTOP_IPC_MSGSSZ) +
(1L << GLIBTOP_IPC_MSGTQL);
/* Init function. */
void
_glibtop_init_msg_limits_s (glibtop *server)
{
server->sysdeps.msg_limits = _glibtop_sysdeps_msg_limits;
}
/* Provides information about sysv ipc limits. */
void
glibtop_get_msg_limits_s (glibtop *server, glibtop_msg_limits *buf)
{
struct msginfo msginfo;
memset (buf, 0, sizeof (glibtop_msg_limits));
msgctl (0, IPC_INFO, (void*) &msginfo);
buf->msgpool = msginfo.msgpool;
buf->msgmap = msginfo.msgmap;
buf->msgmax = msginfo.msgmax;
buf->msgmnb = msginfo.msgmnb;
buf->msgmni = msginfo.msgmni;
buf->msgssz = msginfo.msgssz;
buf->msgtql = msginfo.msgtql;
buf->flags = _glibtop_sysdeps_msg_limits;
}

80
sysdeps/linux/netlist.c Normal file
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@@ -0,0 +1,80 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/netlist.h>
#include <glibtop/error.h>
#include <stdio.h>
static const unsigned long _glibtop_sysdeps_netlist = (1 << GLIBTOP_NETLIST_NUMBER);
/* Init function. */
void
_glibtop_init_netlist_s (glibtop *server)
{
server->sysdeps.netlist = _glibtop_sysdeps_netlist;
}
char**
glibtop_get_netlist_s (glibtop *server, glibtop_netlist *buf)
{
char line[1024];
FILE *f;
GPtrArray *devices;
memset (buf, 0, sizeof (glibtop_netlist));
f = fopen("/proc/net/dev", "r");
if(!f)
{
glibtop_warn_io_r (server, "cannot open \"/proc/net/dev\"");
return NULL;
}
devices = g_ptr_array_new();
while(fgets(line, sizeof line, f))
{
char *sep = strchr(line, ':');
if(!sep) continue;
*sep = '\0'; /* truncate : we only need the name */
g_strstrip(line);
g_ptr_array_add(devices, g_strdup(line));
buf->number++;
}
fclose(f);
buf->flags = _glibtop_sysdeps_netlist;
g_ptr_array_add(devices, NULL);
return (char**) g_ptr_array_free(devices, FALSE);
}

561
sysdeps/linux/netload.c Normal file
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@@ -0,0 +1,561 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, October 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/netload.h>
#include "glibtop_private.h"
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#if !defined (__GLIBC__) || __GNU_LIBRARY__ > 1
/* GNU LibC */
#include <net/if.h>
#include <netinet/ip_icmp.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
#include <net/if.h>
#elif defined (__GLIBC__) /* Libc 5 */
#include <linux/if.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/icmp.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#endif
#ifdef HAVE_IFADDRS_H
/* needed for IPV6 support */
#include <ifaddrs.h>
#ifndef IN6_IS_ADDR_GLOBAL
#define IN6_IS_ADDR_GLOBAL(a) \
(((((__const uint8_t *) (a))[0] & 0xff) == 0x3f \
|| (((__const uint8_t *) (a))[0] & 0xff) == 0x20))
#endif
#endif /* HAVE_IFADDRS_H */
#define _GLIBTOP_IP_FW_ACCTIN 0x1000 /* Account incoming packets only. */
#define _GLIBTOP_IP_FW_ACCTOUT 0x2000 /* Account outgoing packets only. */
static const unsigned long _glibtop_sysdeps_netload =
(1L << GLIBTOP_NETLOAD_ERRORS_IN) +
(1L << GLIBTOP_NETLOAD_ERRORS_OUT) +
(1L << GLIBTOP_NETLOAD_COLLISIONS);
static const unsigned long _glibtop_sysdeps_netload_data =
(1L << GLIBTOP_NETLOAD_ADDRESS) +
(1L << GLIBTOP_NETLOAD_SUBNET) +
(1L << GLIBTOP_NETLOAD_MTU);
static const unsigned long _glibtop_sysdeps_netload_bytes =
(1L << GLIBTOP_NETLOAD_BYTES_IN) +
(1L << GLIBTOP_NETLOAD_BYTES_OUT) +
(1L << GLIBTOP_NETLOAD_BYTES_TOTAL);
static const unsigned long _glibtop_sysdeps_netload_packets =
(1L << GLIBTOP_NETLOAD_PACKETS_IN) +
(1L << GLIBTOP_NETLOAD_PACKETS_OUT) +
(1L << GLIBTOP_NETLOAD_PACKETS_TOTAL);
static const unsigned long _glibtop_sysdeps_netload_total =
(1L << GLIBTOP_NETLOAD_PACKETS_TOTAL) +
(1L << GLIBTOP_NETLOAD_BYTES_TOTAL);
static const unsigned long _glibtop_sysdeps_netload_in =
(1L << GLIBTOP_NETLOAD_PACKETS_TOTAL) +
(1L << GLIBTOP_NETLOAD_BYTES_TOTAL) +
(1L << GLIBTOP_NETLOAD_PACKETS_IN) +
(1L << GLIBTOP_NETLOAD_BYTES_IN);
static const unsigned long _glibtop_sysdeps_netload_out =
(1L << GLIBTOP_NETLOAD_PACKETS_TOTAL) +
(1L << GLIBTOP_NETLOAD_BYTES_TOTAL) +
(1L << GLIBTOP_NETLOAD_PACKETS_OUT) +
(1L << GLIBTOP_NETLOAD_BYTES_OUT);
static const unsigned long _glibtop_sysdeps_netload_6 =
(1L << GLIBTOP_NETLOAD_ADDRESS6) +
(1L << GLIBTOP_NETLOAD_PREFIX6) +
(1L << GLIBTOP_NETLOAD_SCOPE6);
/* Init function. */
void
_glibtop_init_netload_s (glibtop *server)
{
server->sysdeps.netload = _glibtop_sysdeps_netload |
_glibtop_sysdeps_netload_data |
_glibtop_sysdeps_netload_bytes |
_glibtop_sysdeps_netload_packets;
}
#ifdef HAVE_IFADDRS_H
static void get_ipv6(glibtop *server, glibtop_netload *buf,
const char *interface)
{
struct ifaddrs *ifa0, *ifr6;
if(getifaddrs (&ifa0) != 0)
{
glibtop_warn_r(server, "getifaddrs failed : %s", g_strerror(errno));
return;
}
for (ifr6 = ifa0; ifr6; ifr6 = ifr6->ifa_next) {
if (strcmp (ifr6->ifa_name, interface) == 0
&& ifr6->ifa_addr != NULL
&& ifr6->ifa_addr->sa_family == AF_INET6)
break;
}
if(!ifr6) goto free_ipv6;
memcpy(buf->address6,
&((struct sockaddr_in6 *) ifr6->ifa_addr)->sin6_addr,
16);
memcpy(buf->prefix6,
&((struct sockaddr_in6 *) ifr6->ifa_netmask)->sin6_addr,
16);
if (IN6_IS_ADDR_LINKLOCAL (buf->address6))
buf->scope6 = GLIBTOP_IF_IN6_SCOPE_LINK;
else if (IN6_IS_ADDR_SITELOCAL (buf->address6))
buf->scope6 = GLIBTOP_IF_IN6_SCOPE_SITE;
else if (IN6_IS_ADDR_GLOBAL (buf->address6)
|| IN6_IS_ADDR_MC_ORGLOCAL (buf->address6)
|| IN6_IS_ADDR_V4COMPAT (buf->address6)
|| IN6_IS_ADDR_MULTICAST (buf->address6)
|| IN6_IS_ADDR_UNSPECIFIED (buf->address6)
)
buf->scope6 = GLIBTOP_IF_IN6_SCOPE_GLOBAL;
else if (IN6_IS_ADDR_LOOPBACK (buf->address6))
buf->scope6 = GLIBTOP_IF_IN6_SCOPE_HOST;
else
buf->scope6 = GLIBTOP_IF_IN6_SCOPE_UNKNOWN;
buf->flags |= _glibtop_sysdeps_netload_6;
free_ipv6:
freeifaddrs(ifa0);
}
#endif /* HAVE_IFADDRS_H */
static gboolean
read_value(glibtop *server,
const char *device,
const char *filename,
guint64 *value)
{
char buffer[BUFSIZ];
if(try_file_to_buffer(buffer,
sizeof buffer,
"/sys/class/net/%s/statistics/%s",
device,
filename))
{
glibtop_warn_io_r(server,
"Failed to open \"/sys/class/net/%s/statistics/%s\"",
device,
filename);
return FALSE;
}
*value = strtoull(buffer, NULL, 10);
return TRUE;
}
static void
linux_2_6_stats(glibtop *server,
glibtop_netload *buf,
const char *dev)
{
if(read_value(server, dev, "rx_packets", &buf->packets_in))
buf->flags |= (1 << GLIBTOP_NETLOAD_PACKETS_IN);
if(read_value(server, dev, "tx_packets", &buf->packets_out))
buf->flags |= (1 << GLIBTOP_NETLOAD_PACKETS_OUT);
buf->packets_total = buf->packets_in + buf->packets_out;
buf->flags |= (1 << GLIBTOP_NETLOAD_PACKETS_TOTAL);
if(read_value(server, dev, "rx_bytes", &buf->bytes_in))
buf->flags |= (1 << GLIBTOP_NETLOAD_BYTES_IN);
if(read_value(server, dev, "tx_bytes", &buf->bytes_out))
buf->flags |= (1 << GLIBTOP_NETLOAD_BYTES_OUT);
buf->bytes_total = buf->bytes_in + buf->bytes_out;
buf->flags |= (1 << GLIBTOP_NETLOAD_BYTES_TOTAL);
if(read_value(server, dev, "rx_errors", &buf->errors_in))
buf->flags |= (1 << GLIBTOP_NETLOAD_ERRORS_IN);
if(read_value(server, dev, "tx_errors", &buf->errors_out))
buf->flags |= (1 << GLIBTOP_NETLOAD_ERRORS_OUT);
buf->errors_total = buf->errors_in + buf->errors_out;
buf->flags |= (1 << GLIBTOP_NETLOAD_ERRORS_TOTAL);
if(read_value(server, dev, "collisions", &buf->collisions))
buf->flags |= (1 << GLIBTOP_NETLOAD_COLLISIONS);
}
static void
linux_2_0_stats(glibtop *server,
glibtop_netload *buf,
const char *interface)
{
FILE *f;
char buffer[BUFSIZ];
f = fopen ("/proc/net/ip_acct", "r");
if (!f) {
glibtop_warn_io_r (server,
"Failed to open \"/proc/net/ip_acct\"");
return;
}
/* Skip over the header line. */
fgets (buffer, BUFSIZ-1, f);
while (fgets (buffer, BUFSIZ-1, f)) {
unsigned long long flags, packets, bytes;
char *p, *dev;
/* Skip over the network thing. */
dev = skip_token (buffer) + 1;
p = skip_token (dev);
*p++ = 0;
if (strcmp (dev, interface))
continue;
p = skip_token (p);
flags = strtoull (p, &p, 16);
p = skip_multiple_token (p, 2);
packets = strtoull (p, &p, 0);
bytes = strtoull (p, &p, 0);
if (flags & _GLIBTOP_IP_FW_ACCTIN) {
/* Incoming packets only. */
buf->packets_total += packets;
buf->packets_in += packets;
buf->bytes_total += bytes;
buf->bytes_in += bytes;
buf->flags |= _glibtop_sysdeps_netload_in;
} else if (flags & _GLIBTOP_IP_FW_ACCTOUT) {
/* Outgoing packets only. */
buf->packets_total += packets;
buf->packets_out += packets;
buf->bytes_total += bytes;
buf->bytes_out += bytes;
buf->flags |= _glibtop_sysdeps_netload_out;
} else {
/* Only have total values. */
buf->packets_total += packets;
buf->bytes_total += bytes;
buf->flags |= _glibtop_sysdeps_netload_total;
}
}
fclose (f);
}
static void
linux_2_4_stats(glibtop *server,
glibtop_netload *buf,
const char *interface)
{
char buffer [BUFSIZ], *p;
int have_bytes, fields;
FILE *f;
/* Ok, either IP accounting is not enabled in the kernel or
* it was not enabled for the requested interface. */
f = fopen ("/proc/net/dev", "r");
if (!f) {
glibtop_warn_io_r(server,
"Failed to open \"/proc/net/dev\"");
return;
}
/* Skip over the header line. */
fgets (buffer, BUFSIZ-1, f);
fgets (buffer, BUFSIZ-1, f);
/* Starting with 2.1.xx (don't know exactly which version)
* /proc/net/dev contains both byte and package counters. */
p = strchr (buffer, '|');
if (!p) {
fclose (f);
return;
}
/* Do we already have byte counters ? */
have_bytes = strncmp (++p, "bytes", 5) == 0;
/* Count remaining 'Receive' fields so we know where
* the first 'Transmit' field starts. */
fields = 0;
while (*p != '|') {
if (!isspace (*p++)) continue;
while (isspace (*p++)) ;
fields++;
}
/* Should never happen. */
if (fields < 2) {
fclose (f);
return;
}
fields--;
while (fgets (buffer, BUFSIZ-1, f)) {
char *p, *dev;
dev = buffer;
while (isspace (*dev)) dev++;
p = strchr (dev, ':');
if (!p) continue;
*p++ = 0;
/* If it's not a digit, then it's most likely an error
* message like 'No statistics available'. */
while (isspace (*p)) p++;
if (!isdigit (*p)) continue;
if (strcmp (dev, interface))
continue;
/* Ok, we've found the interface */
/* Only read byte counts if we really have them. */
if (have_bytes) {
buf->bytes_in = strtoull (p, &p, 0);
fields--;
}
buf->packets_in = strtoull (p, &p, 0);
buf->errors_in = strtoull (p, &p, 0);
p = skip_multiple_token (p, fields);
if (have_bytes)
buf->bytes_out = strtoull (p, &p, 0);
buf->packets_out = strtoull (p, &p, 0);
buf->errors_out = strtoull (p, &p, 0);
p = skip_multiple_token (p, 2);
buf->collisions = strtoull (p, &p, 0);
/* Compute total valules. */
buf->bytes_total = buf->bytes_in + buf->bytes_out;
buf->packets_total = buf->packets_in + buf->packets_out;
/* And now the flags. */
buf->flags |= _glibtop_sysdeps_netload;
buf->flags |= _glibtop_sysdeps_netload_packets;
if (have_bytes)
buf->flags |= _glibtop_sysdeps_netload_bytes;
break; /* finished */
}
fclose (f);
}
/* Provides network statistics. */
void
glibtop_get_netload_s (glibtop *server, glibtop_netload *buf,
const char *interface)
{
int skfd;
memset (buf, 0, sizeof (glibtop_netload));
skfd = socket (AF_INET, SOCK_DGRAM, 0);
if (skfd) {
struct ifreq ifr;
g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name);
if (!ioctl (skfd, SIOCGIFFLAGS, &ifr)) {
const unsigned long long flags = ifr.ifr_flags;
buf->flags |= (1L << GLIBTOP_NETLOAD_IF_FLAGS);
if (flags & IFF_UP)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_UP);
if (flags & IFF_BROADCAST)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_BROADCAST);
if (flags & IFF_DEBUG)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_DEBUG);
if (flags & IFF_LOOPBACK)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LOOPBACK);
if (flags & IFF_POINTOPOINT)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_POINTOPOINT);
if (flags & IFF_RUNNING)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_RUNNING);
if (flags & IFF_NOARP)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_NOARP);
if (flags & IFF_PROMISC)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_PROMISC);
if (flags & IFF_ALLMULTI)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_ALLMULTI);
if (flags & IFF_MULTICAST)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_MULTICAST);
}
g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name);
if (!ioctl(skfd, /* SIOCGIWNAME */ 0x8B01, &ifr))
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_WIRELESS);
g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name);
if (!ioctl (skfd, SIOCGIFADDR, &ifr)) {
buf->address = ((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr;
buf->flags |= (1L << GLIBTOP_NETLOAD_ADDRESS);
}
g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name);
if (!ioctl (skfd, SIOCGIFNETMASK, &ifr)) {
buf->subnet = ((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr;
buf->flags |= (1L << GLIBTOP_NETLOAD_SUBNET);
}
g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name);
if (!ioctl (skfd, SIOCGIFMTU, &ifr)) {
buf->mtu = ifr.ifr_mtu;
buf->flags |= (1L << GLIBTOP_NETLOAD_MTU);
}
g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name);
if (!ioctl (skfd, SIOCGIFHWADDR, &ifr)) {
memcpy(buf->hwaddress, &ifr.ifr_hwaddr.sa_data, 8);
buf->flags |= (1L << GLIBTOP_NETLOAD_HWADDRESS);
}
close (skfd);
}
/*
* Statistics
*/
/* Linux 2.1.114 - don't know where exactly this was added, but
* recent kernels have byte count in /proc/net/dev so we don't
* need IP accounting.
*/
if (server->os_version_code < LINUX_VERSION_CODE(2, 1, 14)) {
linux_2_0_stats(server, buf, interface);
}
else if (server->os_version_code > LINUX_VERSION_CODE(2, 6, 0)
&& has_sysfs()) {
linux_2_6_stats(server, buf, interface);
}
else {
/* 2.4 and 2.6 without /sys (?$£Z¥!) */
linux_2_4_stats(server, buf, interface);
}
#ifdef HAVE_IFADDRS_H
get_ipv6(server, buf, interface);
#endif /* HAVE_IFADDRS_H */
}

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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/cpu.h>
#include <glibtop/open.h>
#include <glibtop/error.h>
#include "glibtop_private.h"
/* =====================================================
* Linux kernel version information for procps utilities
* Copyright (c) 1996 Charles Blake <cblake@bbn.com>
*/
#include <sys/utsname.h>
static void set_linux_version(glibtop *server)
{
struct utsname uts;
unsigned x = 0, y = 0, z = 0; /* cleared in case sscanf() < 3 */
int version_string_depth;
if (uname(&uts) == -1) /* failure most likely implies impending death */
glibtop_error_r(server, "uname() failed");
version_string_depth = sscanf(uts.release, "%u.%u.%u", &x, &y, &z);
if ((version_string_depth < 2) || /* Non-standard for all known kernels */
((version_string_depth < 3) && (x < 3))) /* Non-standard for 2.x.x kernels */
glibtop_warn_r(server,
"Non-standard uts for running kernel:\n"
"release %s=%u.%u.%u gives version code %d\n",
uts.release, x, y, z, LINUX_VERSION_CODE(x,y,z));
if (LINUX_VERSION_CODE(x, y, z) >= LINUX_VERSION_CODE(2, 6, 0)
&& !has_sysfs())
glibtop_warn_r(server,
"You're running a 2.6 kernel without /sys."
"You should mount it.");
server->os_version_code = LINUX_VERSION_CODE(x, y, z);
}
/* ======================================================= */
/* Opens pipe to gtop server. Returns 0 on success and -1 on error. */
#define FILENAME "/proc/stat"
#define STAT_BUFSIZ 81920
void
glibtop_open_s (glibtop *server, const char *program_name,
const unsigned long features,
const unsigned flags)
{
char buffer [STAT_BUFSIZ], *p = buffer;
server->name = program_name;
set_linux_version(server);
file_to_buffer(server, buffer, sizeof buffer, FILENAME);
p = skip_line(p); /* cpu */
for (server->real_ncpu = 0; /* nop */; server->real_ncpu++) {
if (!check_cpu_line(server, p, server->real_ncpu)) {
server->real_ncpu--;
break;
}
p = skip_line(p);
}
server->ncpu = MIN(GLIBTOP_NCPU - 1, server->real_ncpu);
if (server->real_ncpu != server->ncpu) {
glibtop_warn_r(server,
"This machine has %d CPUs, "
"%d are being monitored.",
server->real_ncpu + 1,
server->ncpu + 1);
}
}

197
sysdeps/linux/ppp.c Normal file
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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, October 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/ppp.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <ctype.h>
#include <glib.h>
#ifdef HAVE_ISDN_H
#include <linux/isdn.h>
#else
#define ISDN_MAX_CHANNELS 64
#define IIOCGETCPS _IO('I',21)
#endif /* HAVE_ISDN_H */
static const unsigned long _glibtop_sysdeps_ppp =
(1L << GLIBTOP_PPP_STATE) + (1L << GLIBTOP_PPP_BYTES_IN) +
(1L << GLIBTOP_PPP_BYTES_OUT);
/* Init function. */
void
_glibtop_init_ppp_s (glibtop *server)
{
server->sysdeps.ppp = _glibtop_sysdeps_ppp;
}
static gboolean
get_ISDN_stats (glibtop *server, int *in, int *out)
{
unsigned long isdn_stats[2 * ISDN_MAX_CHANNELS], *ptr;
int fd;
*in = *out = 0;
fd = open ("/dev/isdninfo", O_RDONLY);
if (fd < 0) {
return FALSE;
}
if ((ioctl (fd, IIOCGETCPS, isdn_stats) < 0) && (errno != 0)) {
close(fd);
return FALSE;
}
for (ptr = isdn_stats;
ptr != (isdn_stats + G_N_ELEMENTS(isdn_stats));
/* NOOP */) {
*in += *ptr++; *out += *ptr++;
}
close (fd);
return TRUE;
}
static gboolean is_ISDN_on (glibtop *server, int *online)
{
FILE *f = NULL;
char buffer [BUFSIZ], *p;
int i;
/* Perhaps I should try to explain this code a little bit.
*
* ------------------------------------------------------------
* This is from the manpage of isdninfo(4):
*
* DESCRIPTION
* /dev/isdninfo is a character device with major number 45
* and minor number 255. It delivers status information from
* the Linux ISDN subsystem to user level.
*
* DATA FORMAT
* When reading from this device, the current status of the
* Linux ISDN subsystem is delivered in 6 lines of text. Each
* line starts with a tag string followed by a colon and
* whitespace. After that the status values are appended sep-
* arated by whitespace.
*
* flags is the tag of line 5. In this line for every driver
* slot, it's B-Channel status is shown. If no driver
* is registered in a slot, a ? is shown. For every
* established B-Channel of the driver, a bit is set
* in the shown value. The driver's first channel is
* mapped to bit 0, the second channel to bit 1 and so
* on.
* ------------------------------------------------------------
*
* So we open /dev/isdninfo, discard the first four lines of text
* and then check whether we have something that is not `0' or `?'
* in one of the flags fields.
*
* Sounds complicated, but I don't see any other way to check whether
* we are connected. Also, this is the method some other ISDN tools
* for Linux use.
*
* Martin
*/
f = fopen ("/dev/isdninfo", "r");
if (!f) return FALSE;
for (i = 0; i < 5; i++) {
if (fgets (buffer, BUFSIZ, f) == NULL) {
fclose (f);
return FALSE;
}
}
if (strncmp (buffer, "flags:", 6)) {
fclose (f);
return FALSE;
}
p = buffer+6;
while (*p) {
char *end = p;
if (isspace (*p)) {
p++;
continue;
}
for (end = p; *end && !isspace (*end); end++)
;
if (*end == 0)
break;
else
*end = 0;
if (!strcmp (p, "?") || !strcmp (p, "0")) {
p = end+1;
continue;
}
fclose (f);
*online = TRUE;
return TRUE;
}
fclose (f);
*online = FALSE;
return TRUE;
}
/* Provides PPP/ISDN information. */
void
glibtop_get_ppp_s (glibtop *server, glibtop_ppp *buf, unsigned short device)
{
int in, out, online;
memset (buf, 0, sizeof (glibtop_ppp));
if (is_ISDN_on (server, &online)) {
buf->state = online ? GLIBTOP_PPP_STATE_ONLINE :
GLIBTOP_PPP_STATE_HANGUP;
buf->flags |= (1L << GLIBTOP_PPP_STATE);
}
if (get_ISDN_stats (server, &in, &out)) {
buf->bytes_in = in;
buf->bytes_out = out;
buf->flags |= (1L << GLIBTOP_PPP_BYTES_IN) |
(1L << GLIBTOP_PPP_BYTES_OUT);
}
}

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/* Copyright (C) 2007 Benoît Dejean
This file is part of LibGTop 2.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/procaffinity.h>
#include <glibtop/error.h>
#include <glibtop_private.h>
#include <sched.h>
void
_glibtop_init_proc_affinity_s(glibtop *server)
{
server->sysdeps.proc_affinity =
(1 << GLIBTOP_PROC_AFFINITY_NUMBER) |
(1 << GLIBTOP_PROC_AFFINITY_ALL);
}
guint16 *
glibtop_get_proc_affinity_s(glibtop *server, glibtop_proc_affinity *buf, pid_t pid)
{
cpu_set_t set;
size_t i;
GArray* cpus;
memset(buf, 0, sizeof *buf);
if (sched_getaffinity(pid, sizeof set, &set) == -1) {
glibtop_error_r(server, "sched_getaffinity failed");
return NULL;
}
cpus = g_array_new(FALSE, FALSE, sizeof(guint16));
for (i = 0; i < MIN(CPU_SETSIZE, (size_t)(server->ncpu + 1)); i++) {
if (CPU_ISSET(i, &set)) {
guint16 n = i;
g_array_append_val(cpus, n);
}
}
buf->number = cpus->len;
buf->all = (cpus->len == (size_t)(server->ncpu + 1));
buf->flags = (1 << GLIBTOP_PROC_AFFINITY_NUMBER)
| (1 << GLIBTOP_PROC_AFFINITY_ALL);
return (guint16*) g_array_free(cpus, FALSE);
}

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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procargs.h>
static const unsigned long _glibtop_sysdeps_proc_args =
(1L << GLIBTOP_PROC_ARGS_SIZE);
/* Init function. */
void
_glibtop_init_proc_args_s (glibtop *server)
{
server->sysdeps.proc_args = _glibtop_sysdeps_proc_args;
}
/* Provides detailed information about a process. */
char *
glibtop_get_proc_args_s (glibtop *server, glibtop_proc_args *buf,
pid_t pid, unsigned max_len)
{
char filename[48]; /* magiv */
char *args;
gsize length;
GError *error = NULL;
memset (buf, 0, sizeof (glibtop_proc_args));
sprintf (filename, "/proc/%d/cmdline", pid);
if(!g_file_get_contents(filename, &args, &length, &error)) {
g_error_free(error);
buf->size = 0;
return NULL;
}
if(max_len && max_len < length) {
args = g_realloc(args, max_len);
args[max_len - 1] = '\0';
length = max_len;
}
buf->size = length;
buf->flags = _glibtop_sysdeps_proc_args;
return args;
}

70
sysdeps/linux/procio.c Normal file
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/* Copyright (C) 2017 Robert Roth
This file is part of LibGTop.
Contributed by Robert Roth <robert.roth.off@gmail.com>, February 2017.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procio.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_proc_io =
(1L << GLIBTOP_PROC_IO_DISK_RCHAR) + (1L << GLIBTOP_PROC_IO_DISK_WCHAR) +
(1L << GLIBTOP_PROC_IO_DISK_RBYTES) + (1L << GLIBTOP_PROC_IO_DISK_WBYTES);
/* Init function. */
void
_glibtop_init_proc_io_s (glibtop *server)
{
server->sysdeps.proc_io = _glibtop_sysdeps_proc_io;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_io_s (glibtop *server, glibtop_proc_io *buf, pid_t pid)
{
char buffer [BUFSIZ], *p;
memset (buf, 0, sizeof (glibtop_proc_io));
if (server->os_version_code < LINUX_VERSION_CODE(2, 6, 20))
return;
if (proc_file_to_buffer(buffer, sizeof buffer, "/proc/%d/io", pid))
return;
p = skip_token (buffer);
buf->disk_rchar = g_ascii_strtoull (p, &p, 10);
p = skip_line (p);
p = skip_token (p);
buf->disk_wchar = g_ascii_strtoull (p, &p, 10);
p = skip_line (p);
p = skip_line (p);
p = skip_line (p);
p = skip_token (p);
buf->disk_rbytes = g_ascii_strtoull (p, &p, 10);
p = skip_line (p);
p = skip_token (p);
buf->disk_wbytes = g_ascii_strtoull (p, &p, 10);
buf->flags = _glibtop_sysdeps_proc_io;
}

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@@ -0,0 +1,79 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/prockernel.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_proc_kernel =
(1L << GLIBTOP_PROC_KERNEL_K_FLAGS) + (1L << GLIBTOP_PROC_KERNEL_MIN_FLT) +
(1L << GLIBTOP_PROC_KERNEL_MAJ_FLT) + (1L << GLIBTOP_PROC_KERNEL_CMIN_FLT) +
(1L << GLIBTOP_PROC_KERNEL_CMAJ_FLT) + (1L << GLIBTOP_PROC_KERNEL_KSTK_ESP) +
(1L << GLIBTOP_PROC_KERNEL_KSTK_EIP) + (1L << GLIBTOP_PROC_KERNEL_NWCHAN) +
(1L << GLIBTOP_PROC_KERNEL_WCHAN);
/* Init function. */
void
_glibtop_init_proc_kernel_s (glibtop *server)
{
server->sysdeps.proc_kernel = _glibtop_sysdeps_proc_kernel;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_kernel_s (glibtop *server, glibtop_proc_kernel *buf, pid_t pid)
{
char buffer [BUFSIZ], *p;
memset (buf, 0, sizeof (glibtop_proc_kernel));
if (proc_stat_to_buffer(buffer, sizeof buffer, pid))
return;
p = proc_stat_after_cmd (buffer);
if (!p) return;
p = skip_multiple_token (p, 6);
buf->k_flags = strtoull (p, &p, 0);
buf->min_flt = strtoull (p, &p, 0);
buf->cmin_flt = strtoull (p, &p, 0);
buf->maj_flt = strtoull (p, &p, 0);
buf->cmaj_flt = strtoull (p, &p, 0);
p = skip_multiple_token (p, 15);
buf->kstk_esp = strtoull (p, &p, 0);
buf->kstk_eip = strtoull (p, &p, 0);
p = skip_multiple_token (p, 4);
buf->nwchan = strtoull (p, &p, 0);
proc_file_to_buffer(buf->wchan, sizeof buf->wchan, "/proc/%d/wchan", pid),
buf->flags = _glibtop_sysdeps_proc_kernel;
}

169
sysdeps/linux/proclist.c Normal file
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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/proclist.h>
#include <glibtop/procuid.h>
#include <glibtop/procstate.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <ctype.h>
static const unsigned long _glibtop_sysdeps_proclist =
(1L << GLIBTOP_PROCLIST_TOTAL) + (1L << GLIBTOP_PROCLIST_NUMBER) +
(1L << GLIBTOP_PROCLIST_SIZE);
/* Init function. */
void
_glibtop_init_proclist_s (glibtop *server)
{
server->sysdeps.proclist = _glibtop_sysdeps_proclist;
}
/* Fetch list of currently running processes.
*
* The interface of this function is a little bit different from the others:
* buf->flags is only set if the call succeeded, in this case pids_chain,
* a list of the pids of all currently running processes is returned,
* buf->number is the number of elements of this list and buf->size is
* the size of one single element (sizeof (unsigned)). The total size is
* stored in buf->total.
*
* The calling function has to free the memory to which a pointer is returned.
*
* On error, NULL is returned and buf->flags is zero. */
pid_t*
glibtop_get_proclist_s (glibtop *server, glibtop_proclist *buf,
gint64 which, gint64 arg)
{
DIR *proc;
struct dirent *entry;
GArray *pids;
glibtop_proc_uid procuid;
glibtop_proc_state procstate;
struct stat statb;
memset (buf, 0, sizeof (glibtop_proclist));
proc = opendir ("/proc");
if (!proc) return NULL;
if(fstat(dirfd(proc), &statb) != 0) return NULL;
pids = g_array_sized_new(FALSE, FALSE, sizeof(pid_t), statb.st_nlink);
/* read every every entry in /proc */
while((entry = readdir (proc))) {
pid_t pid;
if (entry->d_type != DT_DIR)
continue;
if (!(pid = strtoul(entry->d_name, NULL, 10)))
continue;
switch (which & GLIBTOP_KERN_PROC_MASK) {
case GLIBTOP_KERN_PROC_ALL:
break;
case GLIBTOP_KERN_PROC_PID:
if ((pid_t) arg != pid)
continue;
break;
case GLIBTOP_KERN_PROC_UID:
{
char path[32];
struct stat path_stat;
snprintf(path, sizeof path, "/proc/%u", (unsigned)pid);
if (stat(path, &path_stat))
continue;
if ((uid_t) arg != path_stat.st_uid)
continue;
}
break;
case GLIBTOP_KERN_PROC_PGRP:
/* Do you really, really need this ? */
glibtop_get_proc_uid_s (server, &procuid, pid);
if (procuid.flags & (1L << GLIBTOP_PROC_UID_PGRP))
if ((int) arg != procuid.pgrp)
continue;
break;
case GLIBTOP_KERN_PROC_SESSION:
/* Do you really, really need this ? */
glibtop_get_proc_uid_s (server, &procuid, pid);
if (procuid.flags & (1L << GLIBTOP_PROC_UID_SESSION))
if ((int) arg != procuid.session)
continue;
break;
case GLIBTOP_KERN_PROC_TTY:
/* Do you really, really need this ? */
glibtop_get_proc_uid_s (server, &procuid, pid);
if (procuid.flags & (1L << GLIBTOP_PROC_UID_TTY))
if ((int) arg != procuid.tty)
continue;
break;
case GLIBTOP_KERN_PROC_RUID:
/* Do you really, really need this ? */
glibtop_get_proc_uid_s (server, &procuid, pid);
if (procuid.flags & (1L << GLIBTOP_PROC_UID_EUID))
if ((int) arg != procuid.euid)
continue;
break;
}
if (which & GLIBTOP_EXCLUDE_NOTTY) {
glibtop_get_proc_uid_s (server, &procuid, pid);
if (procuid.flags & (1L << GLIBTOP_PROC_UID_TTY))
if (procuid.tty == -1) continue;
}
if (which & GLIBTOP_EXCLUDE_IDLE) {
glibtop_get_proc_state_s (server, &procstate, pid);
if (procstate.flags & (1L << GLIBTOP_PROC_STATE_STATE))
if (procstate.state != GLIBTOP_PROCESS_RUNNING) continue;
}
if (which & GLIBTOP_EXCLUDE_SYSTEM) {
glibtop_get_proc_uid_s (server, &procuid, pid);
if (procuid.flags & (1L << GLIBTOP_PROC_UID_UID))
if (procuid.uid == 0) continue;
}
g_array_append_val(pids, pid);
}
closedir (proc);
buf->flags = _glibtop_sysdeps_proclist;
buf->size = sizeof(pid_t);
buf->number = pids->len;
buf->total = buf->number * buf->size;
return (pid_t*)g_array_free(pids, FALSE);
}

318
sysdeps/linux/procmap.c Normal file
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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glib.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procmap.h>
#include <linux/kdev_t.h>
#include <stddef.h>
#include "glibtop_private.h"
#include "procmap_smaps.c"
#define MAPS_FILE "/proc/%u/maps"
#define SMAPS_FILE "/proc/%u/smaps"
#define PROC_MAPS_FORMAT "%16" G_GINT64_MODIFIER "x-%16" G_GINT64_MODIFIER "x %4c %16" G_GINT64_MODIFIER "x %02hx:%02hx %" G_GINT64_MODIFIER "u%*[ ]%n"
static const unsigned long _glibtop_sysdeps_proc_map =
(1L << GLIBTOP_PROC_MAP_NUMBER) + (1L << GLIBTOP_PROC_MAP_TOTAL) +
(1L << GLIBTOP_PROC_MAP_SIZE);
static const unsigned long _glibtop_sysdeps_map_entry =
(1L << GLIBTOP_MAP_ENTRY_START) + (1L << GLIBTOP_MAP_ENTRY_END) +
(1L << GLIBTOP_MAP_ENTRY_OFFSET) + (1L << GLIBTOP_MAP_ENTRY_PERM) +
(1L << GLIBTOP_MAP_ENTRY_INODE) + (1L << GLIBTOP_MAP_ENTRY_DEVICE) +
(1L << GLIBTOP_MAP_ENTRY_FILENAME);
static const unsigned long _glibtop_sysdeps_map_entry_smaps =
(1UL << GLIBTOP_MAP_ENTRY_SIZE) + (1UL << GLIBTOP_MAP_ENTRY_RSS) +
(1UL << GLIBTOP_MAP_ENTRY_PSS) + (1UL << GLIBTOP_MAP_ENTRY_SWAP) +
(1UL << GLIBTOP_MAP_ENTRY_SHARED_DIRTY) + (1UL << GLIBTOP_MAP_ENTRY_SHARED_CLEAN) +
(1UL << GLIBTOP_MAP_ENTRY_PRIVATE_DIRTY) + (1UL << GLIBTOP_MAP_ENTRY_PRIVATE_CLEAN);
/* Init function. */
void
_glibtop_init_proc_map_s (glibtop *server)
{
server->sysdeps.proc_map = _glibtop_sysdeps_proc_map;
}
/* Provides detailed information about a process. */
static const char*
is_smap_value(const char* s)
{
for ( ; *s; ++s) {
if (isspace(*s))
return NULL;
if (*s == ':')
return s;
}
return NULL;
}
/*
Returns whether line is a 'value' line
and add if we know its meaning
*/
static gboolean
parse_smaps(glibtop_map_entry *entry, const char* line)
{
const struct smap_value* smap;
size_t len;
const char* colon;
if ((colon = is_smap_value(line)) == NULL)
return FALSE;
len = colon - line;
smap = _glibtop_find_smap(line, len);
// g_debug("smap %s -> %p", line, smap);
if (smap) {
char *offset;
guint64 *value;
offset = (void*) entry;
offset += smap->offset;
value = (void*) offset;
*value = get_scaled(line + len, NULL);
}
return TRUE;
}
/*
sscanf is too slow
and system-monitor calls procmap for each pid every second
manual parsing is faster
error checking is weaker
*/
static gboolean
parse_line(char* line,
guint64* start, guint64* end, char flags[4], guint64* offset,
gushort* dev_major, gushort* dev_minor, guint64* inode,
char** filename)
{
/* %16llx-%16llx %4c %16llx %02hx:%02hx %llu%*[ ]%n */
char *p, *next;
p = line;
*start = strtoull(p, &p, 16);
if (G_UNLIKELY(*p != '-'))
return FALSE;
p++;
*end = strtoull(p, &p, 16);
p = next_token(p);
memcpy(flags, p, 4);
p += 4;
*offset = strtoull(p, &p, 16);
*dev_major = strtoul(p, &p, 16);
if (G_UNLIKELY(*p != ':'))
return FALSE;
p++;
*dev_minor = strtoul(p, &p, 16);
*inode = strtoull(p, &p, 10);
p = next_token(p);
*filename = p;
for ( ; *p; p++) {
if (*p == '\n') {
*p = '\0';
break;
}
}
return TRUE;
}
glibtop_map_entry *
glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
{
char procfilename[GLIBTOP_MAP_FILENAME_LEN+1];
/*
default size of 100 maybe inaccurate.
It's the average number of entry per process on my laptop
*/
size_t added = 0, entry_list_capacity = 100;
GArray *entry_list = g_array_sized_new(FALSE, FALSE,
sizeof(glibtop_map_entry),
entry_list_capacity);
FILE *maps;
const char *filename;
gboolean has_smaps;
char *line = NULL;
size_t line_size = 0;
memset (buf, 0, sizeof (glibtop_proc_map));
has_smaps = server->os_version_code >= LINUX_VERSION_CODE(2, 6, 14);
if (has_smaps)
filename = SMAPS_FILE;
else
filename = MAPS_FILE;
snprintf (procfilename, sizeof procfilename, filename, (unsigned)pid);
if((maps = fopen (procfilename, "r")) == NULL) {
return (glibtop_map_entry*) g_array_free(entry_list, TRUE);
}
while(TRUE)
{
unsigned long perm;
/* int line_end; */
unsigned short dev_major, dev_minor;
guint64 start, end, offset, inode;
char flags[4];
char *filename;
glibtop_map_entry *entry;
if (getline(&line, &line_size, maps) == -1)
break;
new_entry_line:
if (!parse_line(line,
&start, &end, flags, &offset,
&dev_major, &dev_minor, &inode, &filename))
continue;
/*
if (sscanf(line, PROC_MAPS_FORMAT,
&start, &end, flags, &offset,
&dev_major, &dev_minor, &inode, &line_end) != 7)
continue;
filename = line + line_end;
g_strstrip(filename);
*/
/* Compute access permissions. */
perm = 0;
if (flags [0] == 'r')
perm |= GLIBTOP_MAP_PERM_READ;
if (flags [1] == 'w')
perm |= GLIBTOP_MAP_PERM_WRITE;
if (flags [2] == 'x')
perm |= GLIBTOP_MAP_PERM_EXECUTE;
if (flags [3] == 's')
perm |= GLIBTOP_MAP_PERM_SHARED;
else if (flags [3] == 'p')
perm |= GLIBTOP_MAP_PERM_PRIVATE;
/*
avoid copying the entry, grow by 1 and point to the last
element.
*/
if (G_UNLIKELY(added >= entry_list_capacity)) {
entry_list_capacity *= 2;
g_array_set_size(entry_list, entry_list_capacity);
}
entry = &g_array_index(entry_list, glibtop_map_entry, added++);
entry->flags = _glibtop_sysdeps_map_entry;
entry->start = start;
entry->end = end;
entry->offset = offset;
entry->perm = perm;
entry->device = MKDEV(dev_major, dev_minor);
entry->inode = inode;
g_strlcpy(entry->filename, filename, sizeof entry->filename);
if (has_smaps) {
ssize_t ret;
entry->flags |= _glibtop_sysdeps_map_entry_smaps;
while ((ret = getline(&line, &line_size, maps)) != -1) {
if (!parse_smaps(entry, line))
goto new_entry_line;
}
if (ret == -1)
goto eof;
}
}
eof:
g_array_set_size(entry_list, added);
free(line);
fclose (maps);
buf->flags = _glibtop_sysdeps_proc_map;
buf->number = added;
buf->size = sizeof (glibtop_map_entry);
buf->total = buf->number * buf->size;
return (glibtop_map_entry*) g_array_free(entry_list, FALSE);
}

View File

@@ -0,0 +1,161 @@
/* ANSI-C code produced by gperf version 3.1 */
/* Command-line: gperf sysdeps/linux/procmap_smaps.gperf */
/* Computed positions: -k'1,$' */
#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
&& ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
&& (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
&& ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
&& ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
&& ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
&& ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
&& ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
&& ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
&& ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
&& ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
&& ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
&& ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
&& ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
&& ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
&& ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
&& ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
&& ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
&& ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
&& ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
&& ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
&& ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
&& ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
/* The character set is not based on ISO-646. */
#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gperf@gnu.org>."
#endif
#line 8 "sysdeps/linux/procmap_smaps.gperf"
#include "glibtop_private.h"
#include <glibtop/procmap.h>
#include <stddef.h>
#define SMAP_OFFSET(MEMBER) offsetof(glibtop_map_entry, MEMBER)
#line 14 "sysdeps/linux/procmap_smaps.gperf"
struct smap_value { int name; ptrdiff_t offset; };
#include <string.h>
#define TOTAL_KEYWORDS 8
#define MIN_WORD_LENGTH 3
#define MAX_WORD_LENGTH 13
#define MIN_HASH_VALUE 3
#define MAX_HASH_VALUE 18
/* maximum key range = 16, duplicates = 0 */
#ifdef __GNUC__
__inline
#else
#ifdef __cplusplus
inline
#endif
#endif
static unsigned int
hash (register const char *str, register size_t len)
{
static const unsigned char asso_values[] =
{
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
0, 19, 5, 0, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 5, 19, 19, 19, 19, 19, 19, 19, 19,
5, 19, 0, 19, 19, 0, 19, 19, 19, 19,
19, 0, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19
};
return len + asso_values[(unsigned char)str[len - 1]] + asso_values[(unsigned char)str[0]];
}
struct stringpool_t
{
char stringpool_str3[sizeof("Pss")];
char stringpool_str4[sizeof("Swap")];
char stringpool_str8[sizeof("Rss")];
char stringpool_str9[sizeof("Size")];
char stringpool_str12[sizeof("Shared_Dirty")];
char stringpool_str13[sizeof("Private_Dirty")];
char stringpool_str17[sizeof("Shared_Clean")];
char stringpool_str18[sizeof("Private_Clean")];
};
static const struct stringpool_t stringpool_contents =
{
"Pss",
"Swap",
"Rss",
"Size",
"Shared_Dirty",
"Private_Dirty",
"Shared_Clean",
"Private_Clean"
};
#define stringpool ((const char *) &stringpool_contents)
static /* manually added */
const struct smap_value *
_glibtop_find_smap (register const char *str, register size_t len)
{
static const unsigned char lengthtable[] =
{
0, 0, 0, 3, 4, 0, 0, 0, 3, 4, 0, 0, 12, 13,
0, 0, 0, 12, 13
};
static const struct smap_value wordlist[] =
{
{-1}, {-1}, {-1},
#line 18 "sysdeps/linux/procmap_smaps.gperf"
{(int)(size_t)&((struct stringpool_t *)0)->stringpool_str3, SMAP_OFFSET(pss)},
#line 23 "sysdeps/linux/procmap_smaps.gperf"
{(int)(size_t)&((struct stringpool_t *)0)->stringpool_str4, SMAP_OFFSET(swap),},
{-1}, {-1}, {-1},
#line 19 "sysdeps/linux/procmap_smaps.gperf"
{(int)(size_t)&((struct stringpool_t *)0)->stringpool_str8, SMAP_OFFSET(rss)},
#line 22 "sysdeps/linux/procmap_smaps.gperf"
{(int)(size_t)&((struct stringpool_t *)0)->stringpool_str9, SMAP_OFFSET(size)},
{-1}, {-1},
#line 21 "sysdeps/linux/procmap_smaps.gperf"
{(int)(size_t)&((struct stringpool_t *)0)->stringpool_str12, SMAP_OFFSET(shared_dirty)},
#line 17 "sysdeps/linux/procmap_smaps.gperf"
{(int)(size_t)&((struct stringpool_t *)0)->stringpool_str13, SMAP_OFFSET(private_dirty)},
{-1}, {-1}, {-1},
#line 20 "sysdeps/linux/procmap_smaps.gperf"
{(int)(size_t)&((struct stringpool_t *)0)->stringpool_str17, SMAP_OFFSET(shared_clean)},
#line 16 "sysdeps/linux/procmap_smaps.gperf"
{(int)(size_t)&((struct stringpool_t *)0)->stringpool_str18, SMAP_OFFSET(private_clean)}
};
if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
{
register unsigned int key = hash (str, len);
if (key <= MAX_HASH_VALUE)
if (len == lengthtable[key])
{
register const char *s = wordlist[key].name + stringpool;
if (*str == *s && !memcmp (str + 1, s + 1, len - 1))
return &wordlist[key];
}
}
return 0;
}

View File

@@ -0,0 +1,23 @@
%language=ANSI-C
%includes
%struct-type
%readonly-tables
%pic
%define lookup-function-name _glibtop_find_smap
%compare-lengths
%{
#include "glibtop_private.h"
#include <glibtop/procmap.h>
#include <stddef.h>
#define SMAP_OFFSET(MEMBER) offsetof(glibtop_map_entry, MEMBER)
%}
struct smap_value { int name; ptrdiff_t offset; };
%%
Private_Clean, SMAP_OFFSET(private_clean)
Private_Dirty, SMAP_OFFSET(private_dirty)
Pss, SMAP_OFFSET(pss)
Rss, SMAP_OFFSET(rss)
Shared_Clean, SMAP_OFFSET(shared_clean)
Shared_Dirty, SMAP_OFFSET(shared_dirty)
Size, SMAP_OFFSET(size)
Swap, SMAP_OFFSET(swap),

144
sysdeps/linux/procmem.c Normal file
View File

@@ -0,0 +1,144 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procmem.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_proc_mem =
(1L << GLIBTOP_PROC_MEM_SIZE) + (1L << GLIBTOP_PROC_MEM_RESIDENT) +
(1L << GLIBTOP_PROC_MEM_SHARE);
static const unsigned long _glibtop_sysdeps_proc_mem_pss =
(1L << GLIBTOP_PROC_MEM_RSS);
static unsigned long
get_pss(glibtop* server, pid_t pid)
{
char filepath[128];
FILE* smaps;
char* line = NULL;
size_t line_size = 0;
unsigned long pss = 0;
snprintf(filepath, sizeof filepath, "/proc/%u/smaps", (unsigned)pid);
if (!(smaps = fopen(filepath, "r"))) {
glibtop_error_io_r(server, "Cannot open %s", filepath);
goto out;
}
while (getline(&line, &line_size, smaps) != -1) {
if (strncmp(line, "Pss:", 4))
continue;
pss += get_scaled(line + 4, NULL);
}
out:
if (smaps)
fclose(smaps);
free(line);
return pss;
}
/* Init function. */
void
_glibtop_init_proc_mem_s (glibtop *server)
{
server->sysdeps.proc_mem = _glibtop_sysdeps_proc_mem;
if (server->os_version_code >= LINUX_VERSION_CODE(2, 6, 25))
server->sysdeps.proc_mem |= _glibtop_sysdeps_proc_mem_pss;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_mem_s (glibtop *server, glibtop_proc_mem *buf, pid_t pid)
{
char buffer [BUFSIZ], *p;
const size_t pagesize = getpagesize();
memset (buf, 0, sizeof (glibtop_proc_mem));
/* As of 2.6.24 in fs/proc/*.c
== rss vs. resident ==
stat/rss:
get_mm_rss where
#define get_mm_rss(mm) \
(get_mm_counter(mm, file_rss) + get_mm_counter(mm, anon_rss))
statm/resident:
*shared = get_mm_counter(mm, file_rss);
*resident = *shared + get_mm_counter(mm, anon_rss);
== vsize vs. size ==
stat/vsize:
task_vsize(mm) ... total_vm * pagesize
statm/size
mm->total_vm
=================
rss == resident
vsize == size
rss_lim is not implemented in statm, but there's limits which
provides all limits
share is only implemented in statm
*/
if (proc_statm_to_buffer(buffer, sizeof buffer, pid))
return;
buf->size = strtoull (buffer, &p, 0);
buf->resident = strtoull (p, &p, 0);
buf->share = strtoull (p, &p, 0);
buf->size *= pagesize;
buf->resident *= pagesize;
buf->share *= pagesize;
/* dummy values */
buf->vsize = buf->size;
buf->rss_rlim = ~0;
buf->flags |= _glibtop_sysdeps_proc_mem;
#if 0
/* FIXME: see previous comment */
if (server->os_version_code >= LINUX_VERSION_CODE(2, 6, 25)) {
buf->rss = get_pss(server, pid);
buf->flags |= _glibtop_sysdeps_proc_mem_pss;
}
#else
buf->rss = buf->resident;
#endif
}

View File

@@ -0,0 +1,324 @@
/* Copyright (C) 1998-99 Martin Baulig
Copyright (C) 2004 Nicolás Lichtmaier
This file is part of LibGTop 1.0.
Modified by Nicolás Lichtmaier to give a process open files.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procopenfiles.h>
#include <sys/types.h>
#include <dirent.h>
#include <string.h>
#include <stdio.h>
#include <arpa/inet.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_proc_open_files =
(1L << GLIBTOP_PROC_OPEN_FILES_NUMBER)|
(1L << GLIBTOP_PROC_OPEN_FILES_TOTAL)|
(1L << GLIBTOP_PROC_OPEN_FILES_SIZE);
/* Init function. */
void
_glibtop_init_proc_open_files_s (glibtop *server)
{
server->sysdeps.proc_open_files = _glibtop_sysdeps_proc_open_files;
}
typedef void (*LineParser)(GHashTable *dict, const char *line);
static void
parse_file(const char *filename, LineParser parser, GHashTable *dict)
{
FILE *f;
char *line = NULL;
size_t size = 0;
f = fopen(filename, "r");
if(!f) {
g_warning("Cannot open '%s'", filename);
return;
}
/* skip the first line */
if (getline(&line, &size, f) == -1)
goto eof;
while (getline(&line, &size, f) != -1)
parser(dict, line);
eof:
free(line);
fclose(f);
}
static GHashTable*
get_all(const char *filename, LineParser parser)
{
GHashTable *dict;
dict = g_hash_table_new_full(g_direct_hash, g_direct_equal,
NULL, g_free);
parse_file(filename, parser, dict);
return dict;
}
struct Inet6SocketEntry
{
char host[GLIBTOP_OPEN_DEST_HOST_LEN + 1];
int port;
};
static void
inet6_socket_parser(GHashTable *dict, const char* line)
{
struct Inet6SocketEntry *se;
int sock;
struct in6_addr addr;
se = g_malloc0(sizeof *se);
if(sscanf(line, "%*d: %*s %8x%8x%8x%8x:%4x %*x %*x:%*x %*x:%*x %*d %*d %*d %d",
&addr.s6_addr32[0], &addr.s6_addr32[1], &addr.s6_addr32[2],
&addr.s6_addr32[3], &se->port, &sock) != 6)
goto error;
if(!inet_ntop(AF_INET6, &addr, se->host, sizeof se->host))
goto error;
g_hash_table_insert(dict, GINT_TO_POINTER(sock), se);
return;
error:
g_free(se);
}
static inline GHashTable *
get_all_inet6_sockets()
{
return get_all("/proc/net/tcp6", inet6_socket_parser);
}
struct InetSocketEntry
{
char host[GLIBTOP_OPEN_DEST_HOST_LEN + 1];
int port;
};
static void
inet_socket_parser(GHashTable *dict, const char* line)
{
struct InetSocketEntry *se;
int sock;
unsigned addr;
se = g_malloc0(sizeof *se);
if(sscanf(line, "%*d: %*x:%*x %8x:%4x %*x %*x:%*x %*x:%*x %*d %*d %*d %d",
&addr, &se->port, &sock) != 3)
goto error;
if(!inet_ntop(AF_INET, &addr, se->host, sizeof se->host))
goto error;
g_hash_table_insert(dict, GINT_TO_POINTER(sock), se);
return;
error:
g_free(se);
}
static inline GHashTable *
get_all_inet_sockets()
{
return get_all("/proc/net/tcp", inet_socket_parser);
}
struct LocalSocketEntry
{
char name[GLIBTOP_OPEN_DEST_HOST_LEN + 1];
};
static void
local_socket_parser(GHashTable *dict, const char *line)
{
int sock;
struct LocalSocketEntry *use;
char *p;
use = g_malloc0(sizeof *use);
/* dfaf1640: 00000003 00000000 00000000 0001 03 6457 /dev/log */
p = skip_multiple_token(line, 6);
sock = strtoul(p, &p, 10);
g_strlcpy(use->name, p, sizeof use->name);
g_strstrip(use->name);
g_hash_table_insert(dict, GINT_TO_POINTER(sock), use);
}
static inline GHashTable *
get_all_local_sockets()
{
return get_all("/proc/net/unix", local_socket_parser);
}
/* Provides detailed information about a process' open files */
glibtop_open_files_entry *
glibtop_get_proc_open_files_s (glibtop *server, glibtop_proc_open_files *buf, pid_t pid)
{
char fn [BUFSIZ];
GArray *entries;
GHashTable *inet6_sockets = NULL, *inet_sockets = NULL, *local_sockets = NULL;
struct dirent *direntry;
DIR *dir;
memset (buf, 0, sizeof (glibtop_proc_open_files));
sprintf (fn, "/proc/%d/fd", pid);
dir = opendir (fn);
if (!dir) return NULL;
entries = g_array_new(FALSE, FALSE, sizeof(glibtop_open_files_entry));
while((direntry = readdir(dir))) {
char tgt [BUFSIZ];
glibtop_open_files_entry entry = {0};
if(direntry->d_name[0] == '.')
continue;
g_snprintf(fn, sizeof fn, "/proc/%d/fd/%s",
pid, direntry->d_name);
if (!safe_readlink(fn, tgt, sizeof tgt))
continue;
entry.fd = atoi(direntry->d_name);
if(g_str_has_prefix(tgt, "socket:["))
{
int sockfd;
struct Inet6SocketEntry *i6se;
struct InetSocketEntry *ise;
struct LocalSocketEntry *lse;
if(!inet6_sockets) inet6_sockets = get_all_inet6_sockets();
if(!inet_sockets) inet_sockets = get_all_inet_sockets();
if(!local_sockets) local_sockets = get_all_local_sockets();
sockfd = atoi(tgt + 8);
i6se = g_hash_table_lookup(inet6_sockets,
GINT_TO_POINTER(sockfd));
if(i6se) {
entry.type = GLIBTOP_FILE_TYPE_INET6SOCKET;
entry.info.sock.dest_port = i6se->port;
g_strlcpy(entry.info.sock.dest_host, i6se->host,
sizeof entry.info.sock.dest_host);
goto found;
}
ise = g_hash_table_lookup(inet_sockets,
GINT_TO_POINTER(sockfd));
if(ise) {
entry.type = GLIBTOP_FILE_TYPE_INETSOCKET;
entry.info.sock.dest_port = ise->port;
g_strlcpy(entry.info.sock.dest_host, ise->host,
sizeof entry.info.sock.dest_host);
goto found;
}
lse = g_hash_table_lookup(local_sockets,
GINT_TO_POINTER(sockfd));
if(lse) {
entry.type = GLIBTOP_FILE_TYPE_LOCALSOCKET;
g_strlcpy(entry.info.localsock.name, lse->name,
sizeof entry.info.localsock.name);
goto found;
}
found:
(void)0; /* kills warning */
}
else if(g_str_has_prefix(tgt, "pipe:["))
{
entry.type = GLIBTOP_FILE_TYPE_PIPE;
}
else
{
entry.type = GLIBTOP_FILE_TYPE_FILE;
g_strlcpy(entry.info.file.name, tgt, sizeof entry.info.file.name);
}
g_array_append_val(entries, entry);
}
closedir (dir);
if(inet_sockets) g_hash_table_destroy(inet_sockets);
if(inet6_sockets) g_hash_table_destroy(inet6_sockets);
if(local_sockets) g_hash_table_destroy(local_sockets);
buf->flags = _glibtop_sysdeps_proc_open_files;
buf->number = entries->len;
buf->size = sizeof(glibtop_open_files_entry);
buf->total = buf->number * buf->size;
return (glibtop_open_files_entry*)g_array_free(entries, FALSE);
}

View File

@@ -0,0 +1,93 @@
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/error.h>
#include <glibtop/procsegment.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_proc_segment =
(1L << GLIBTOP_PROC_SEGMENT_START_CODE) +
(1L << GLIBTOP_PROC_SEGMENT_END_CODE) +
(1L << GLIBTOP_PROC_SEGMENT_START_STACK);
static const unsigned long _glibtop_sysdeps_proc_segment_statm =
(1L << GLIBTOP_PROC_SEGMENT_TEXT_RSS) +
/* Disabled due to bug in the Linux Kernel. */
/* (1L << GLIBTOP_PROC_SEGMENT_SHLIB_RSS) + */
(1L << GLIBTOP_PROC_SEGMENT_DATA_RSS) +
(1L << GLIBTOP_PROC_SEGMENT_DIRTY_SIZE);
/* Init function. */
void
_glibtop_init_proc_segment_s (glibtop *server)
{
server->sysdeps.proc_segment = _glibtop_sysdeps_proc_segment |
_glibtop_sysdeps_proc_segment_statm;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_segment_s (glibtop *server, glibtop_proc_segment *buf,
pid_t pid)
{
char buffer [BUFSIZ], *p;
const size_t pagesize = getpagesize();
memset (buf, 0, sizeof (glibtop_proc_segment));
if (proc_stat_to_buffer(buffer, sizeof buffer, pid))
return;
p = proc_stat_after_cmd (buffer);
if (!p) return;
p = skip_multiple_token (p, 23);
buf->start_code = strtoull (p, &p, 0);
buf->end_code = strtoull (p, &p, 0);
buf->start_stack = strtoull (p, &p, 0);
buf->flags = _glibtop_sysdeps_proc_segment;
if (proc_statm_to_buffer(buffer, sizeof buffer, pid))
return;
p = skip_multiple_token (buffer, 3);
/* This doesn't work very well due to a bug in the Linux kernel.
* I'll submit a patch to the kernel mailing list soon. */
buf->text_rss = strtoull (p, &p, 0);
buf->shlib_rss = strtoull (p, &p, 0);
buf->data_rss = strtoull (p, &p, 0);
buf->dirty_size = strtoull (p, &p, 0);
buf->text_rss *= pagesize;
buf->shlib_rss *= pagesize;
buf->data_rss *= pagesize;
buf->dirty_size *= pagesize;
buf->flags |= _glibtop_sysdeps_proc_segment_statm;
}

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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procsignal.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_proc_signal =
(1L << GLIBTOP_PROC_SIGNAL_SIGNAL) + (1L << GLIBTOP_PROC_SIGNAL_BLOCKED) +
(1L << GLIBTOP_PROC_SIGNAL_SIGIGNORE) + (1L << GLIBTOP_PROC_SIGNAL_SIGCATCH);
/* Init function. */
void
_glibtop_init_proc_signal_s (glibtop *server)
{
server->sysdeps.proc_signal = _glibtop_sysdeps_proc_signal;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_signal_s (glibtop *server, glibtop_proc_signal *buf, pid_t pid)
{
char buffer [BUFSIZ], *p;
memset (buf, 0, sizeof (glibtop_proc_signal));
if (proc_stat_to_buffer(buffer, sizeof buffer, pid))
return;
p = proc_stat_after_cmd (buffer);
if (!p) return;
p = skip_multiple_token (p, 28);
buf->signal [0] = strtoull (p, &p, 0);
buf->blocked [0] = strtoull (p, &p, 0);
buf->sigignore [0] = strtoull (p, &p, 0);
buf->sigcatch [0] = strtoull (p, &p, 0);
buf->flags = _glibtop_sysdeps_proc_signal;
}

123
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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procstate.h>
#include "glibtop_private.h"
#include <sys/stat.h>
static const unsigned long _glibtop_sysdeps_proc_state =
(1L << GLIBTOP_PROC_STATE_CMD) + (1L << GLIBTOP_PROC_STATE_STATE);
static const unsigned long _glibtop_sysdeps_proc_state_uid =
(1L << GLIBTOP_PROC_STATE_UID) + (1L << GLIBTOP_PROC_STATE_GID);
/* Init function. */
void
_glibtop_init_proc_state_s (glibtop *server)
{
server->sysdeps.proc_state = _glibtop_sysdeps_proc_state |
_glibtop_sysdeps_proc_state_uid;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_state_s (glibtop *server, glibtop_proc_state *buf, pid_t pid)
{
char buffer [BUFSIZ], *p;
struct stat statb;
memset (buf, 0, sizeof (glibtop_proc_state));
/* IMPORTANT NOTICE: For security reasons it is extremely important
* that the 'uid' and 'gid' fields have correct
* values; NEVER set their flags values if this
* is not the case !!! */
sprintf (buffer, "/proc/%d", pid);
if (stat (buffer, &statb))
return;
/* For security reasons we use stat () since it is
* more failsafe than parsing the file. */
buf->uid = statb.st_uid;
buf->gid = statb.st_gid;
buf->flags = _glibtop_sysdeps_proc_state_uid;
/* Now we read the remaining fields. */
if (proc_stat_to_buffer(buffer, sizeof buffer, pid))
return;
p = proc_stat_after_cmd(buffer);
p = next_token(p);
switch(*p)
{
case 'R':
buf->state = GLIBTOP_PROCESS_RUNNING;
break;
case 'Z':
buf->state = GLIBTOP_PROCESS_ZOMBIE;
break;
case 'S':
buf->state = GLIBTOP_PROCESS_INTERRUPTIBLE;
break;
case 'T':
buf->state = GLIBTOP_PROCESS_STOPPED;
break;
case 'D':
buf->state = GLIBTOP_PROCESS_UNINTERRUPTIBLE;
break;
case 'W':
buf->state = GLIBTOP_PROCESS_SWAPPING;
break;
case 'X':
buf->state = GLIBTOP_PROCESS_DEAD;
break;
}
p = skip_multiple_token (p, 36);
buf->last_processor = atoi (p);
p = skip_token (buffer); /* pid */
if (G_UNLIKELY(*p++ != '('))
glibtop_error_r (server, "Bad data in /proc/%d/stat", pid);
g_strlcpy (buf->cmd, p, sizeof buf->cmd);
buf->flags |= _glibtop_sysdeps_proc_state;
}

132
sysdeps/linux/proctime.c Normal file
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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/proctime.h>
#include <glibtop/uptime.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_proc_time =
(1L << GLIBTOP_PROC_TIME_UTIME) + (1L << GLIBTOP_PROC_TIME_CUTIME) +
(1L << GLIBTOP_PROC_TIME_RTIME) +
(1L << GLIBTOP_PROC_TIME_STIME) + (1L << GLIBTOP_PROC_TIME_CSTIME) +
(1L << GLIBTOP_PROC_TIME_FREQUENCY) + (1L << GLIBTOP_PROC_TIME_TIMEOUT) +
(1L << GLIBTOP_PROC_TIME_IT_REAL_VALUE) + (1L << GLIBTOP_PROC_TIME_START_TIME);
static const unsigned long _glibtop_sysdeps_proc_time_smp =
(1L << GLIBTOP_PROC_TIME_XCPU_UTIME) + (1L << GLIBTOP_PROC_TIME_XCPU_STIME);
/* Init function. */
void
_glibtop_init_proc_time_s (glibtop *server)
{
server->sysdeps.proc_time = _glibtop_sysdeps_proc_time;
if (server->ncpu)
server->sysdeps.proc_time |= _glibtop_sysdeps_proc_time_smp;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_time_s (glibtop *server, glibtop_proc_time *buf, pid_t pid)
{
char buffer [BUFSIZ], *p;
int i;
memset (buf, 0, sizeof (glibtop_proc_time));
if (proc_stat_to_buffer(buffer, sizeof buffer, pid))
return;
p = proc_stat_after_cmd (buffer);
if (!p) return;
p = skip_multiple_token (p, 11);
/* clock_t (1/100 s) */
buf->utime = strtoull (p, &p, 0);
buf->stime = strtoull (p, &p, 0);
buf->rtime = buf->utime + buf->stime;
buf->cutime = strtoull (p, &p, 0);
buf->cstime = strtoull (p, &p, 0);
p = skip_multiple_token (p, 3);
/* timeout is 0 on 2.4 and "thread_number" on 2.6
lets skip it (using previous skip_multiple_token)
buf->timeout = strtoull (p, &p, 0);
*/
buf->it_real_value = strtoull (p, &p, 0);
/* seconds since epoch */
{
/*
See libgtop documentation.
#ifdef __KERNEL__
...
*
* Have the 32 bit jiffies value wrap 5 minutes after boot
* so jiffies wrap bugs show up earlier.
*
#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
...
#endif
start_time may be incremented by INITIAL_JIFFIES, so start_time
may be not be exact. You may also get wrong start_time if your
system clock is not synchronised with you hardware clock.
'man hwclock'
*/
buf->start_time = get_boot_time(server) + strtoull (p, &p, 0) / 100;
}
buf->frequency = 100;
buf->flags = _glibtop_sysdeps_proc_time;
if (!server->ncpu)
return;
/* FIXME: doesn't work with 2.6 */
if (proc_file_to_buffer(buffer, sizeof buffer, "/proc/%d/cpu", pid))
return;
p = skip_multiple_token (p, 3);
for (i = 0; i <= server->ncpu; i++) {
if (!check_cpu_line_warn(server, p + 1, i))
break;
p = skip_token(p);
buf->xcpu_utime [i] = strtoull (p, &p, 0);
buf->xcpu_stime [i] = strtoull (p, &p, 0);
}
buf->flags |= _glibtop_sysdeps_proc_time_smp;
}

124
sysdeps/linux/procuid.c Normal file
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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procuid.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_proc_uid =
(1L << GLIBTOP_PROC_UID_UID) + (1L << GLIBTOP_PROC_UID_EUID) +
(1L << GLIBTOP_PROC_UID_GID) + (1L << GLIBTOP_PROC_UID_EGID);
static const unsigned long _glibtop_sysdeps_proc_uid_stat =
(1L << GLIBTOP_PROC_UID_PID) + (1L << GLIBTOP_PROC_UID_PPID) +
(1L << GLIBTOP_PROC_UID_PGRP) + (1L << GLIBTOP_PROC_UID_SESSION) +
(1L << GLIBTOP_PROC_UID_TTY) + (1L << GLIBTOP_PROC_UID_TPGID) +
(1L << GLIBTOP_PROC_UID_PRIORITY) + (1L << GLIBTOP_PROC_UID_NICE);
/* Init function. */
void
_glibtop_init_proc_uid_s (glibtop *server)
{
server->sysdeps.proc_uid = _glibtop_sysdeps_proc_uid |
_glibtop_sysdeps_proc_uid_stat;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_uid_s (glibtop *server, glibtop_proc_uid *buf, pid_t pid)
{
char buffer [BUFSIZ], *p;
memset (buf, 0, sizeof (glibtop_proc_uid));
if (proc_status_to_buffer(buffer, sizeof buffer, pid))
return;
/* Search substring 'Pid:' */
p = strstr (buffer, "\nPid:");
if (!p) return;
p = skip_token (p); /* "Pid:" */
buf->pid = strtol (p, &p, 0);
p = skip_token (p); /* "PPid:" */
buf->ppid = strtol (p, &p, 0);
/* Maybe future Linux versions place something between
* "PPid" and "Uid", so we catch this here. */
p = strstr (p, "\nUid:");
if (!p) return;
p = skip_token (p); /* "Uid:" */
buf->uid = strtol (p, &p, 0);
buf->euid = strtol (p, &p, 0);
/* We don't know how many entries on the "Uid:" line
* future Linux version will have, so we catch this here. */
p = strstr (p, "\nGid:");
if (!p) return;
p = skip_token (p); /* "Gid:" */
buf->gid = strtol (p, &p, 0);
buf->egid = strtol (p, &p, 0);
buf->flags = _glibtop_sysdeps_proc_uid;
if (proc_stat_to_buffer(buffer, sizeof buffer, pid))
return;
p = proc_stat_after_cmd (buffer);
if (!p) return;
p = skip_multiple_token (p, 2);
buf->pgrp = strtol (p, &p, 0);
buf->session = strtol (p, &p, 0);
buf->tty = strtol (p, &p, 0);
buf->tpgid = strtol (p, &p, 0);
p = skip_multiple_token (p, 9);
buf->priority = strtol (p, &p, 0);
buf->nice = strtol (p, &p, 0);
if (buf->tty == 0)
/* the old notty val, update elsewhere bef. moving to 0 */
buf->tty = -1;
if (server->os_version_code < LINUX_VERSION_CODE(1,3,39)) {
/* map old meanings to new */
buf->priority = 2*15 - buf->priority;
buf->nice = 15 - buf->nice;
}
else if (server->os_version_code < LINUX_VERSION_CODE(1,1,30) && buf->tty != -1)
/* when tty wasn't full devno */
buf->tty = 4*0x100 + buf->tty;
buf->flags |= _glibtop_sysdeps_proc_uid_stat;
}

99
sysdeps/linux/procwd.c Normal file
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/* Copyright (C) 2007 Benoît Dejean
This file is part of LibGTop 2.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/procwd.h>
#include <glibtop/error.h>
#include <glibtop_private.h>
#include <unistd.h>
#include <dirent.h>
#include <sys/types.h>
void
_glibtop_init_proc_wd_s(glibtop *server)
{
server->sysdeps.proc_wd =
(1 << GLIBTOP_PROC_WD_EXE) +
(1 << GLIBTOP_PROC_WD_ROOT) +
(1 << GLIBTOP_PROC_WD_NUMBER);
}
static gboolean is_in(GPtrArray *array, const char *str)
{
guint i;
for (i = 0; i != array->len; ++i) {
if (strcmp(g_ptr_array_index(array, i), str) == 0)
return TRUE;
}
return FALSE;
}
char**
glibtop_get_proc_wd_s(glibtop *server, glibtop_proc_wd *buf, pid_t pid)
{
GPtrArray *dirs;
char path[80];
char dir[256];
DIR *task;
memset(buf, 0, sizeof(glibtop_proc_wd));
g_snprintf(path, sizeof path, "/proc/%u/root", pid);
if (safe_readlink(path, buf->root, sizeof buf->root))
buf->flags |= (1 << GLIBTOP_PROC_WD_ROOT);
g_snprintf(path, sizeof path, "/proc/%u/exe", pid);
if (safe_readlink(path, buf->exe, sizeof buf->exe))
buf->flags |= (1 << GLIBTOP_PROC_WD_EXE);
dirs = g_ptr_array_sized_new(2);
g_snprintf(path, sizeof path, "/proc/%u/cwd", pid);
if (safe_readlink(path, dir, sizeof dir))
g_ptr_array_add(dirs, g_strdup(dir));
g_snprintf(path, sizeof path, "/proc/%u/task", pid);
if ((task = opendir(path)) != NULL) {
struct dirent *sub;
while ((sub = readdir(task)) != NULL) {
/* task dirs have numeric name */
if (!isdigit(sub->d_name[0]))
continue;
g_snprintf(path, sizeof path, "/proc/%u/task/%s/cwd", pid, sub->d_name);
if (safe_readlink(path, dir, sizeof dir) && !is_in(dirs, dir))
g_ptr_array_add(dirs, g_strdup(dir));
}
closedir(task);
}
buf->number = dirs->len;
buf->flags |= (1 << GLIBTOP_PROC_WD_NUMBER);
g_ptr_array_add(dirs, NULL);
return (char**) g_ptr_array_free(dirs, FALSE);
}

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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/sem_limits.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#ifdef _SEM_SEMUN_UNDEFINED
/* glibc 2.1 will no longer defines semun, instead it defines
* _SEM_SEMUN_UNDEFINED so users can define semun on their own.
* Thanks to Albert K T Hui <avatar@deva.net>. */
union semun
{
int val;
struct semid_ds *buf;
unsigned short int *array;
struct seminfo *__buf;
};
#endif
static const unsigned long _glibtop_sysdeps_sem_limits =
(1L << GLIBTOP_IPC_SEMMAP) + (1L << GLIBTOP_IPC_SEMMNI) +
(1L << GLIBTOP_IPC_SEMMNS) + (1L << GLIBTOP_IPC_SEMMNU) +
(1L << GLIBTOP_IPC_SEMMSL) + (1L << GLIBTOP_IPC_SEMOPM) +
(1L << GLIBTOP_IPC_SEMUME) + (1L << GLIBTOP_IPC_SEMUSZ) +
(1L << GLIBTOP_IPC_SEMVMX) + (1L << GLIBTOP_IPC_SEMAEM);
/* Init function. */
void
_glibtop_init_sem_limits_s (glibtop *server)
{
server->sysdeps.sem_limits = _glibtop_sysdeps_sem_limits;
}
/* Provides information about sysv ipc limits. */
void
glibtop_get_sem_limits_s (glibtop *server, glibtop_sem_limits *buf)
{
struct seminfo seminfo;
union semun arg;
memset (buf, 0, sizeof (glibtop_sem_limits));
buf->flags = _glibtop_sysdeps_sem_limits;
arg.array = (void *) &seminfo;
semctl (0, 0, IPC_INFO, arg);
buf->semmap = seminfo.semmap;
buf->semmni = seminfo.semmni;
buf->semmns = seminfo.semmns;
buf->semmnu = seminfo.semmnu;
buf->semmsl = seminfo.semmsl;
buf->semopm = seminfo.semopm;
buf->semume = seminfo.semume;
buf->semusz = seminfo.semusz;
buf->semvmx = seminfo.semvmx;
buf->semaem = seminfo.semaem;
}

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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/shm_limits.h>
#include <sys/ipc.h>
#include <sys/shm.h>
static const unsigned long _glibtop_sysdeps_shm_limits =
(1L << GLIBTOP_IPC_SHMMAX) + (1L << GLIBTOP_IPC_SHMMIN) +
(1L << GLIBTOP_IPC_SHMMNI) + (1L << GLIBTOP_IPC_SHMSEG) +
(1L << GLIBTOP_IPC_SHMALL);
/* Init function. */
void
_glibtop_init_shm_limits_s (glibtop *server)
{
server->sysdeps.shm_limits = _glibtop_sysdeps_shm_limits;
}
/* Provides information about sysv ipc limits. */
void
glibtop_get_shm_limits_s (glibtop *server, glibtop_shm_limits *buf)
{
struct shminfo shminfo;
memset (buf, 0, sizeof (glibtop_shm_limits));
shmctl (0, IPC_INFO, (void *) &shminfo);
buf->shmmax = shminfo.shmmax;
buf->shmmin = shminfo.shmmin;
buf->shmmni = shminfo.shmmni;
buf->shmseg = shminfo.shmseg;
buf->shmall = shminfo.shmall;
buf->flags = _glibtop_sysdeps_shm_limits;
}

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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/signal.h>
#include <signal.h>
#if 0 /* comment */
perl -nle 'print "{$1,\t\"$1\",\t\"$2\"}," if m|^#define\s*(SIG[A-Z0-9]+).*?/\*\s*(.*?)\s*\*/|'
< /usr/include/bits/signum.h
#endif
const glibtop_signame glibtop_sys_siglist [] =
{
#ifdef SIGHUP
{SIGHUP, "SIGHUP", "Hangup (POSIX)."},
#endif
#ifdef SIGINT
{SIGINT, "SIGINT", "Interrupt (ANSI)."},
#endif
#ifdef SIGQUIT
{SIGQUIT, "SIGQUIT", "Quit (POSIX)."},
#endif
#ifdef SIGILL
{SIGILL, "SIGILL", "Illegal instruction (ANSI)."},
#endif
#ifdef SIGTRAP
{SIGTRAP, "SIGTRAP", "Trace trap (POSIX)."},
#endif
#ifdef SIGABRT
{SIGABRT, "SIGABRT", "Abort (ANSI)."},
#endif
#ifdef SIGIOT
{SIGIOT, "SIGIOT", "IOT trap (4.2 BSD)."},
#endif
#ifdef SIGBUS
{SIGBUS, "SIGBUS", "BUS error (4.2 BSD)."},
#endif
#ifdef SIGFPE
{SIGFPE, "SIGFPE", "Floating-point exception (ANSI)."},
#endif
#ifdef SIGKILL
{SIGKILL, "SIGKILL", "Kill, unblockable (POSIX)."},
#endif
#ifdef SIGUSR1
{SIGUSR1, "SIGUSR1", "User-defined signal 1 (POSIX)."},
#endif
#ifdef SIGSEGV
{SIGSEGV, "SIGSEGV", "Segmentation violation (ANSI)."},
#endif
#ifdef SIGUSR2
{SIGUSR2, "SIGUSR2", "User-defined signal 2 (POSIX)."},
#endif
#ifdef SIGPIPE
{SIGPIPE, "SIGPIPE", "Broken pipe (POSIX)."},
#endif
#ifdef SIGALRM
{SIGALRM, "SIGALRM", "Alarm clock (POSIX)."},
#endif
#ifdef SIGTERM
{SIGTERM, "SIGTERM", "Termination (ANSI)."},
#endif
#ifdef SIGSTKFLT
{SIGSTKFLT, "SIGSTKFLT", "Stack fault."},
#endif
#ifdef SIGCLD
{SIGCLD, "SIGCLD", "Same as SIGCHLD (System V)."},
#endif
#ifdef SIGCHLD
{SIGCHLD, "SIGCHLD", "Child status has changed (POSIX)."},
#endif
#ifdef SIGCONT
{SIGCONT, "SIGCONT", "Continue (POSIX)."},
#endif
#ifdef SIGSTOP
{SIGSTOP, "SIGSTOP", "Stop, unblockable (POSIX)."},
#endif
#ifdef SIGTSTP
{SIGTSTP, "SIGTSTP", "Keyboard stop (POSIX)."},
#endif
#ifdef SIGTTIN
{SIGTTIN, "SIGTTIN", "Background read from tty (POSIX)."},
#endif
#ifdef SIGTTOU
{SIGTTOU, "SIGTTOU", "Background write to tty (POSIX)."},
#endif
#ifdef SIGURG
{SIGURG, "SIGURG", "Urgent condition on socket (4.2 BSD)."},
#endif
#ifdef SIGXCPU
{SIGXCPU, "SIGXCPU", "CPU limit exceeded (4.2 BSD)."},
#endif
#ifdef SIGXFSZ
{SIGXFSZ, "SIGXFSZ", "File size limit exceeded (4.2 BSD)."},
#endif
#ifdef SIGVTALRM
{SIGVTALRM, "SIGVTALRM", "Virtual alarm clock (4.2 BSD)."},
#endif
#ifdef SIGPROF
{SIGPROF, "SIGPROF", "Profiling alarm clock (4.2 BSD)."},
#endif
#ifdef SIGWINCH
{SIGWINCH, "SIGWINCH", "Window size change (4.3 BSD, Sun)."},
#endif
#ifdef SIGPOLL
{SIGPOLL, "SIGPOLL", "Pollable event occurred (System V)."},
#endif
#ifdef SIGIO
{SIGIO, "SIGIO", "I/O now possible (4.2 BSD)."},
#endif
#ifdef SIGPWR
{SIGPWR, "SIGPWR", "Power failure restart (System V)."},
#endif
#ifdef SIGSYS
{SIGSYS, "SIGSYS", "Bad system call."},
#endif
#ifdef SIGUNUSED
{SIGUNUSED, "SIGUNUSED", ""},
#endif
{0, NULL, NULL}
};

103
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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/error.h>
#include <glibtop/swap.h>
#include "glibtop_private.h"
#include <fcntl.h>
static const unsigned long _glibtop_sysdeps_swap =
(1L << GLIBTOP_SWAP_TOTAL) + (1L << GLIBTOP_SWAP_USED) +
(1L << GLIBTOP_SWAP_FREE);
static const unsigned long _glibtop_sysdeps_swap_paging =
(1L << GLIBTOP_SWAP_PAGEIN) + (1L << GLIBTOP_SWAP_PAGEOUT);
/* Init function. */
void
_glibtop_init_swap_s (glibtop *server)
{
server->sysdeps.swap = _glibtop_sysdeps_swap |
_glibtop_sysdeps_swap_paging;
}
/* Provides information about swap usage. */
#define MEMINFO "/proc/meminfo"
#define PROC_STAT "/proc/stat"
#define PROC_VMSTAT "/proc/vmstat"
void
glibtop_get_swap_s (glibtop *server, glibtop_swap *buf)
{
char buffer [BUFSIZ], *p;
memset (buf, 0, sizeof (glibtop_swap));
file_to_buffer(server, buffer, sizeof buffer, MEMINFO);
/* Kernel 2.6 with multiple lines */
buf->total = get_scaled(buffer, "SwapTotal:");
buf->free = get_scaled(buffer, "SwapFree:");
buf->used = buf->total - buf->free;
buf->flags = _glibtop_sysdeps_swap;
if(server->os_version_code >= LINUX_VERSION_CODE(2, 6, 0))
{
file_to_buffer (server, buffer, sizeof buffer, PROC_VMSTAT);
p = strstr (buffer, "\npswpin");
if(p)
{
p = skip_token(p);
buf->pagein = strtoull (p, &p, 0);
p = skip_token(p);
buf->pageout = strtoull (p, &p, 0);
buf->flags |= _glibtop_sysdeps_swap_paging;
}
}
else /* Linux 2.4 */
{
file_to_buffer (server, buffer, sizeof buffer, PROC_STAT);
p = strstr (buffer, "\nswap");
if(p)
{
p = skip_token (p);
buf->pagein = strtoull (p, &p, 0);
buf->pageout = strtoull (p, &p, 0);
buf->flags |= _glibtop_sysdeps_swap_paging;
}
}
}

112
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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/error.h>
#include <glibtop/cpu.h>
#include <glibtop/sysinfo.h>
#include "glibtop_private.h"
#define FILENAME "/proc/cpuinfo"
static const unsigned long _glibtop_sysdeps_sysinfo =
(1L << GLIBTOP_SYSINFO_CPUINFO);
static glibtop_sysinfo sysinfo = { .flags = 0 };
static void
init_sysinfo (glibtop *server)
{
char* buffer;
gchar ** processors;
if(G_LIKELY(sysinfo.flags)) return;
if (!g_file_get_contents(FILENAME, &buffer, NULL, NULL)) {
glibtop_error_io_r(server, "g_file_get_contents(%s)", FILENAME);
}
/* cpuinfo records are seperated by a blank line */
processors = g_strsplit(buffer, "\n\n", 0);
g_free(buffer);
sysinfo.ncpu = 0;
for (char** this_proc = &processors[0]; *this_proc && **this_proc; this_proc++) {
if (sysinfo.ncpu >= GLIBTOP_NCPU) {
glibtop_warn_r(server, "Cannot deal with more than %d CPUs", GLIBTOP_NCPU);
break;
}
gchar **parts, **p;
if (g_strrstr (*this_proc, "processor" ) == NULL) {
/* skip unknown paragraph */
continue;
}
glibtop_entry * const cpuinfo = &sysinfo.cpuinfo[sysinfo.ncpu];
cpuinfo->labels = g_ptr_array_new ();
cpuinfo->values = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, g_free);
cpuinfo->descriptions = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, g_free);
/* "<key> : <value>" */
parts = g_strsplit_set(*this_proc, ":\n", 0);
for(p = parts; *p && *(p+1); p += 2) {
/* stole the allocated memory */
gchar * const key = g_strstrip( *p );
gchar * const value = g_strstrip( *(p+1) );
g_ptr_array_add(cpuinfo->labels, key);
g_hash_table_insert(cpuinfo->values, key, value);
}
/* the last key has no value and has not been added */
if(*p) g_free(*p);
/* just g_free instead of g_strvfree because we stole
the memory*/
g_free(parts);
sysinfo.ncpu++;
}
g_strfreev(processors);
sysinfo.flags = _glibtop_sysdeps_sysinfo;
}
const glibtop_sysinfo *
glibtop_get_sysinfo_s (glibtop *server)
{
init_sysinfo (server);
return &sysinfo;
}

61
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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop/error.h>
#include <glibtop/uptime.h>
#include "glibtop_private.h"
#include <time.h>
static const unsigned long _glibtop_sysdeps_uptime =
(1UL << GLIBTOP_UPTIME_UPTIME) \
+ (1UL << GLIBTOP_UPTIME_IDLETIME) \
+ (1UL << GLIBTOP_UPTIME_BOOT_TIME);
/* Init function. */
void
_glibtop_init_uptime_s (glibtop *server)
{
server->sysdeps.uptime = _glibtop_sysdeps_uptime;
}
/* Provides uptime and idle time. */
#define FILENAME "/proc/uptime"
void
glibtop_get_uptime_s (glibtop *server, glibtop_uptime *buf)
{
char buffer [BUFSIZ], *p;
memset (buf, 0, sizeof (glibtop_uptime));
file_to_buffer(server, buffer, sizeof buffer, FILENAME);
buf->uptime = g_ascii_strtod (buffer, &p);
buf->idletime = g_ascii_strtod (p, &p);
buf->boot_time = get_boot_time(server);
buf->flags = _glibtop_sysdeps_uptime;
}