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Get the file name from inode number.

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* glibtop_machine.h, open.c, procmap.c: Get the file name
        from inode number.
This commit is contained in:
Drazen Kacar
1999-05-27 02:57:34 +00:00
parent 981668a56b
commit 1f4b738639
4 changed files with 89 additions and 9 deletions
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5
sysdeps/solaris/ChangeLog
View File

@@ -1,3 +1,8 @@
1999-05-27 Drazen Kacar <dave@srce.hr>
* glibtop_machine.h, open.c, procmap.c: Get the file name
from inode number.
1999-05-17 Drazen Kacar <dave@srce.hr>
* procargs.c: Implemented what Solaris has to offer cheaply.

8
sysdeps/solaris/glibtop_machine.h
View File

@@ -44,6 +44,7 @@ struct _glibtop_machine
{
uid_t uid, euid;
gid_t gid, egid;
pid_t me; /* Don't ask why we need this */
kvm_t *kd;
@@ -61,8 +62,11 @@ struct _glibtop_machine
int pagesize; /* in bits to shift, ie. 2^pagesize gives Kb */
int ticks; /* clock ticks, as returned by sysconf() */
unsigned long long boot; /* boot time, it's ui32 in kstat */
long argvenvp; /* max length or argv + env */
unsigned long long boot; /* boot time, although it's ui32 in kstat */
void *libproc; /* libproc handle */
void (*objname)(void *, uintptr_t, const char *, size_t);
struct ps_prochandle *(*pgrab)(pid_t, int, int *);
void (*pfree)(void *);
};
END_LIBGTOP_DECLS

27
sysdeps/solaris/open.c
View File

@@ -24,6 +24,7 @@
#include <glibtop/open.h>
#include <unistd.h>
#include <dlfcn.h>
#include <sys/types.h>
#include <sys/processor.h>
@@ -131,6 +132,7 @@ glibtop_open_s (glibtop *server, const char *program_name,
kstat_t *ksp;
kstat_named_t *kn;
int i, page;
void *dl;
server->name = program_name;
@@ -200,4 +202,29 @@ glibtop_open_s (glibtop *server, const char *program_name,
#endif
}
}
/* Now let's have a bit of magic dust... */
dl = dlopen("/usr/lib/libproc.so", RTLD_LAZY);
server->machine.libproc = dl;
if(dl)
{
void *func;
func = dlsym(dl, "Pobjname"); /* Solaris 8 */
if(!func)
func = dlsym(dl, "proc_objname"); /* Solaris 7 */
server->machine.objname = (void (*)
(void *, uintptr_t, const char *, size_t))func;
server->machine.pgrab = (struct ps_prochandle *(*)(pid_t, int, int *))
dlsym(dl, "Pgrab");
server->machine.pfree = (void (*)(void *))dlsym(dl, "Pfree");
}
else
{
server->machine.objname = NULL;
server->machine.pgrab = NULL;
server->machine.pfree = NULL;
}
server->machine.me = getpid();
}

58
sysdeps/solaris/procmap.c
View File

@@ -32,12 +32,15 @@
#include "safeio.h"
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);
static const unsigned long _glibtop_sysdeps_map_device =
(1L << GLIBTOP_MAP_ENTRY_DEVICE) + (1L << GLIBTOP_MAP_ENTRY_INODE);
/* Init function. */
@@ -53,8 +56,8 @@ glibtop_init_proc_map_s (glibtop *server)
glibtop_map_entry *
glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
{
int fd, i, nmaps;
prmap_t *maps;
int fd, i, nmaps, pr_err, heap;
prxmap_t *maps;
/* A few defines, to make it shorter down there */
@@ -64,6 +67,7 @@ glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
# define OFFSET pr_off
#endif
struct ps_prochandle *Pr;
glibtop_map_entry *entry;
struct stat inode;
char buffer[BUFSIZ];
@@ -71,7 +75,7 @@ glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
memset (buf, 0, sizeof (glibtop_proc_map));
#ifdef HAVE_PROCFS_H
sprintf(buffer, "/proc/%d/map", (int)pid);
sprintf(buffer, "/proc/%d/xmap", (int)pid);
#else
sprintf(buffer, "/proc/%d", (int)pid);
#endif
@@ -91,7 +95,7 @@ glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
return NULL;
}
maps = alloca(inode.st_size);
nmaps = inode.st_size / sizeof(prmap_t);
nmaps = inode.st_size / sizeof(prxmap_t);
if(s_pread(fd, maps, inode.st_size, 0) != inode.st_size)
{
glibtop_warn_io_r(server, "pread (%s)", buffer);
@@ -105,7 +109,7 @@ glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
s_close(fd);
return NULL;
}
maps = alloca((nmaps + 1) * sizeof(prmap_t));
maps = alloca((nmaps + 1) * sizeof(prxmap_t));
if(ioctl(fd, PIOCMAP, maps) < 0)
{
glibtop_warn_io_r(server, "ioctl(%s, PIOCMAP)", buffer);
@@ -113,7 +117,6 @@ glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
return NULL;
}
#endif
s_close(fd);
if(!(entry = glibtop_malloc_r(server,
nmaps * sizeof(glibtop_map_entry))))
return NULL;
@@ -122,10 +125,22 @@ glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
buf->total = nmaps * sizeof(glibtop_map_entry);
memset(entry, 0, nmaps * sizeof(glibtop_map_entry));
for(i = 0; i < nmaps; ++i)
if(server->machine.objname && server->machine.pgrab &&
server->machine.pfree)
Pr = (server->machine.pgrab)(pid, 1, &pr_err);
for(heap = 0,i = 0; i < nmaps; ++i)
{
int len;
entry[i].start = maps[i].pr_vaddr;
entry[i].end = maps[i].pr_vaddr + maps[i].pr_size;
if(maps[i].pr_dev != PRNODEV)
{
entry[i].device = maps[i].pr_dev;
entry[i].inode = maps[i].pr_ino;
entry[i].flags |= _glibtop_sysdeps_map_device;
}
entry[i].offset = maps[i].OFFSET;
if(maps[i].pr_mflags & MA_READ)
entry[i].perm |= GLIBTOP_MAP_PERM_READ;
@@ -138,7 +153,36 @@ glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
else
entry[i].perm |= GLIBTOP_MAP_PERM_PRIVATE;
entry[i].flags = _glibtop_sysdeps_map_entry;
if(maps[i].pr_mflags & MA_ANON)
{
if(!heap)
{
++heap;
strcpy(entry[i].filename, "[ heap ]");
}
else
if(i == nmaps - 1)
strcpy(entry[i].filename, "[ stack ]");
else
strcpy(entry[i].filename, "[ anon ]");
entry[i].flags |= (1L << GLIBTOP_MAP_ENTRY_FILENAME);
}
else
if(Pr)
{
server->machine.objname(Pr, maps[i].pr_vaddr, buffer,
BUFSIZ);
if((len = resolvepath(buffer, entry[i].filename,
GLIBTOP_MAP_FILENAME_LEN)) > 0)
{
entry[i].filename[len] = 0;
entry[i].flags |= (1L << GLIBTOP_MAP_ENTRY_FILENAME);
}
}
}
if(Pr)
server->machine.pfree(Pr);
buf->flags = _glibtop_sysdeps_proc_map;
s_close(fd);
return entry;
}