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This commit is contained in:
Martin Baulig
1999-03-24 21:38:15 +00:00
parent 6a9a681559
commit 4b9e977fdc
8 changed files with 129 additions and 6 deletions
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12
kernel/sysctl/libgtop.c
View File

@@ -289,9 +289,11 @@ task_mem (struct task_struct *p, libgtop_proc_segment_t *proc_segment)
struct vm_area_struct * vma = mm->mmap;
unsigned long data = 0, stack = 0;
unsigned long exec = 0, lib = 0;
unsigned long vsize = 0;
for (vma = mm->mmap; vma; vma = vma->vm_next) {
unsigned long len = (vma->vm_end - vma->vm_start) >> 10;
vsize += len;
if (!vma->vm_file) {
data += len;
if (vma->vm_flags & VM_GROWSDOWN)
@@ -308,6 +310,7 @@ task_mem (struct task_struct *p, libgtop_proc_segment_t *proc_segment)
}
}
proc_segment->vsize = vsize;
proc_segment->data = data;
proc_segment->stack = stack;
proc_segment->exec = exec;
@@ -398,6 +401,7 @@ get_statm (struct task_struct *tsk, libgtop_proc_mem_t *proc_mem)
{
int size=0, resident=0, share=0, trs=0, lrs=0, drs=0, dt=0;
unsigned long data=0, stack=0, exec=0, lib=0;
unsigned long vsize = 0;
if (tsk->mm && tsk->mm != &init_mm) {
struct vm_area_struct * vma = tsk->mm->mmap;
@@ -407,6 +411,8 @@ get_statm (struct task_struct *tsk, libgtop_proc_mem_t *proc_mem)
pgd_t *pgd = pgd_offset(tsk->mm, vma->vm_start);
int pages = 0, shared = 0, dirty = 0, total = 0;
vsize += len;
statm_pgd_range (pgd, vma->vm_start, vma->vm_end,
&pages, &shared, &dirty, &total);
resident += pages;
@@ -445,7 +451,8 @@ get_statm (struct task_struct *tsk, libgtop_proc_mem_t *proc_mem)
vma = vma->vm_next;
}
}
proc_mem->segment.vsize = vsize;
proc_mem->segment.data = data;
proc_mem->segment.stack = stack;
proc_mem->segment.exec = exec;
@@ -725,6 +732,9 @@ libgtop_sysctl_proc (ctl_table *table, int nlen, int *name,
memset (proc_mem, 0, sizeof (libgtop_proc_mem_t));
get_statm (tsk, proc_mem);
/* Use LIBGTOP_PROC_STAT if you only want rss and rlim. */
proc_mem->rss = tsk->mm->rss << PAGE_SHIFT;
proc_mem->rlim = tsk->rlim ? tsk->rlim[RLIMIT_RSS].rlim_cur : 0;
break;
default:
return -EINVAL;

3
kernel/sysctl/libgtop.h
View File

@@ -128,13 +128,14 @@ struct libgtop_proc_kernel
struct libgtop_proc_segment
{
unsigned long data, exec, stack, lib;
unsigned long vsize, data, exec, stack, lib;
};
struct libgtop_proc_mem
{
libgtop_proc_segment_t segment;
int size, resident, share, trs, lrs, drs, dt;
unsigned long rss, rlim;
};
#endif

5
kernel/sysctl/libgtop_syms.c
View File

@@ -15,6 +15,7 @@
extern unsigned long total_forks;
EXPORT_SYMBOL(task);
EXPORT_SYMBOL(init_mm);
EXPORT_SYMBOL(pidhash);
EXPORT_SYMBOL(avenrun);
EXPORT_SYMBOL(nr_running);
@@ -23,3 +24,7 @@ EXPORT_SYMBOL(last_pid);
EXPORT_SYMBOL(total_forks);
EXPORT_SYMBOL(si_swapinfo);
extern void scheduling_functions_start_here(void);
extern void scheduling_functions_end_here(void);
EXPORT_SYMBOL(scheduling_functions_start_here);
EXPORT_SYMBOL(scheduling_functions_end_here);

3
sysdeps/kernel/glibtop_private.h
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@@ -44,6 +44,9 @@ int glibtop_get_proc_data_proclist_s (glibtop *server,
int glibtop_get_proc_data_proc_state_s (glibtop *server,
libgtop_proc_state_t *proc_state,
pid_t pid);
int glibtop_get_proc_data_proc_mem_s (glibtop *server,
libgtop_proc_mem_t *proc_mem,
pid_t pid);
int glibtop_get_proc_data_proc_kernel_s (glibtop *server,
libgtop_proc_kernel_t *proc_kernel,
pid_t pid);

16
sysdeps/kernel/procdata.c
View File

@@ -99,6 +99,22 @@ glibtop_get_proc_data_proc_state_s (glibtop *server,
return 0;
}
int
glibtop_get_proc_data_proc_mem_s (glibtop *server,
libgtop_proc_mem_t *proc_mem,
pid_t pid)
{
int name [3] = { CTL_LIBGTOP, LIBGTOP_PROC_MEM, pid };
size_t size = sizeof (libgtop_proc_mem_t);
if (sysctl (name, 3, proc_mem, &size, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (libgtop/proc_mem)");
return -1;
}
return 0;
}
int
glibtop_get_proc_data_proc_kernel_s (glibtop *server,
libgtop_proc_kernel_t *proc_kernel,

6
sysdeps/kernel/proclist.c
View File

@@ -29,7 +29,9 @@
#define GLIBTOP_PROCLIST_FLAGS 3
static const unsigned long _glibtop_sysdeps_proclist = 0;
static const unsigned long _glibtop_sysdeps_proclist =
(1 << GLIBTOP_PROCLIST_NUMBER) + (1 << GLIBTOP_PROCLIST_SIZE) +
(1 << GLIBTOP_PROCLIST_TOTAL);
/* Init function. */
@@ -68,5 +70,7 @@ glibtop_get_proclist_s (glibtop *server, glibtop_proclist *buf,
for (i = 0; i < proclist.count; i++)
ret [i] = proclist.pids [i];
buf->flags |= _glibtop_sysdeps_proclist;
return ret;
}

50
sysdeps/kernel/procmem.c
View File

@@ -24,14 +24,39 @@
#include <glibtop.h>
#include <glibtop/procmem.h>
static const unsigned long _glibtop_sysdeps_proc_mem = 0;
#include <glibtop_private.h>
static const unsigned long _glibtop_sysdeps_proc_mem =
(1 << GLIBTOP_PROC_MEM_VSIZE) + (1 << GLIBTOP_PROC_MEM_SIZE) +
(1 << GLIBTOP_PROC_MEM_RESIDENT) + (1 << GLIBTOP_PROC_MEM_SHARE) +
(1 << GLIBTOP_PROC_MEM_RSS) + (1 << GLIBTOP_PROC_MEM_RSS_RLIM);
#ifndef LOG1024
#define LOG1024 10
#endif
/* these are for getting the memory statistics */
static int pageshift; /* log base 2 of the pagesize */
/* define pagetok in terms of pageshift */
#define pagetok(size) ((size) << pageshift)
/* Init function. */
void
glibtop_init_proc_mem_s (glibtop *server)
{
register int pagesize;
server->sysdeps.proc_mem = _glibtop_sysdeps_proc_mem;
/* get the page size with "getpagesize" and calculate pageshift. */
pagesize = getpagesize ();
pageshift = 0;
while (pagesize > 1) {
pageshift++;
pagesize >>= 1;
}
}
/* Provides detailed information about a process. */
@@ -40,5 +65,28 @@ void
glibtop_get_proc_mem_s (glibtop *server, glibtop_proc_mem *buf,
pid_t pid)
{
libgtop_proc_mem_t proc_mem;
memset (buf, 0, sizeof (glibtop_proc_mem));
if (glibtop_get_proc_data_proc_mem_s (server, &proc_mem, pid))
return;
buf->vsize = proc_mem.segment.vsize;
buf->size = proc_mem.size;
buf->resident = proc_mem.resident;
buf->share = proc_mem.share;
buf->rss = proc_mem.rss;
buf->rss_rlim = proc_mem.rlim;
buf->vsize <<= pageshift;
buf->size <<= pageshift;
buf->resident <<= pageshift;
buf->share <<= pageshift;
buf->rss <<= pageshift;
buf->flags = _glibtop_sysdeps_proc_mem;
}

40
sysdeps/kernel/procsegment.c
View File

@@ -24,14 +24,27 @@
#include <glibtop.h>
#include <glibtop/procsegment.h>
static const unsigned long _glibtop_sysdeps_proc_segment = 0;
#include <glibtop_private.h>
static const unsigned long _glibtop_sysdeps_proc_segment =
(1 << GLIBTOP_PROC_SEGMENT_TEXT_RSS) +
(1 << GLIBTOP_PROC_SEGMENT_SHLIB_RSS) +
(1 << GLIBTOP_PROC_SEGMENT_DATA_RSS) +
(1 << GLIBTOP_PROC_SEGMENT_STACK_RSS) +
(1 << GLIBTOP_PROC_SEGMENT_DIRTY_SIZE);
static const unsigned long _glibtop_sysdeps_proc_segment_state =
(1 << GLIBTOP_PROC_SEGMENT_START_CODE) +
(1 << GLIBTOP_PROC_SEGMENT_END_CODE) +
(1 << GLIBTOP_PROC_SEGMENT_START_STACK);
/* Init function. */
void
glibtop_init_proc_segment_s (glibtop *server)
{
server->sysdeps.proc_segment = _glibtop_sysdeps_proc_segment;
server->sysdeps.proc_segment = _glibtop_sysdeps_proc_segment |
_glibtop_sysdeps_proc_segment_state;
}
/* Provides detailed information about a process. */
@@ -40,5 +53,28 @@ void
glibtop_get_proc_segment_s (glibtop *server, glibtop_proc_segment *buf,
pid_t pid)
{
libgtop_proc_mem_t proc_mem;
libgtop_proc_state_t proc_state;
memset (buf, 0, sizeof (glibtop_proc_segment));
if (glibtop_get_proc_data_proc_mem_s (server, &proc_mem, pid))
return;
buf->text_rss = proc_mem.trs;
buf->shlib_rss = proc_mem.lrs;
buf->data_rss = proc_mem.drs;
buf->stack_rss = proc_mem.segment.stack;
buf->dirty_size = proc_mem.dt;
buf->flags = _glibtop_sysdeps_proc_segment;
if (glibtop_get_proc_data_proc_state_s (server, &proc_state, pid))
return;
buf->start_code = proc_state.start_code;
buf->end_code = proc_state.end_code;
buf->start_stack = proc_state.start_stack;
buf->flags |= _glibtop_sysdeps_proc_segment_state;
}