pmap stack detection

This commit is contained in:
albert
2004-01-26 20:01:56 +00:00
parent 391518de30
commit 1e1218cca8
5 changed files with 63 additions and 20 deletions

View File

@@ -15,6 +15,6 @@ global:
kb_main_free; kb_main_total; kb_main_used; kb_swap_free;
kb_swap_total; kb_swap_used; kb_main_shared;
vm_pgpgin; vm_pgpgout; vm_pswpin; vm_pswpout; free_slabinfo; put_slabinfo;
get_slabinfo;
get_slabinfo; get_proc_stats;
local: *;
};

View File

@@ -971,3 +971,29 @@ proc_data_t *readproctab2(int(*want_proc)(proc_t *buf), int(*want_task)(proc_t *
return pd;
}
/*
* get_proc_stats - lookup a single tasks information and fill out a proc_t
*
* On failure, returns NULL. On success, returns 'p' and 'p' is a valid
* and filled out proc_t structure.
*/
proc_t * get_proc_stats(pid_t pid, proc_t *p)
{
static char path[PATH_MAX], sbuf[1024];
struct stat statbuf;
sprintf(path, "/proc/%d", pid);
if (stat(path, &statbuf)) {
perror("stat");
return NULL;
}
if (file2str(path, "stat", sbuf, sizeof sbuf) >= 0)
stat2proc(sbuf, p); /* parse /proc/#/stat */
if (file2str(path, "statm", sbuf, sizeof sbuf) >= 0)
statm2proc(sbuf, p); /* ignore statm errors here */
if (file2str(path, "status", sbuf, sizeof sbuf) >= 0)
status2proc(sbuf, p, 0 /*FIXME*/);
return p;
}

View File

@@ -209,6 +209,9 @@ extern void look_up_our_self(proc_t *p);
extern void freeproc(proc_t* p);
//fill out a proc_t for a single task
extern proc_t * get_proc_stats(pid_t pid, proc_t *p);
// openproc/readproctab:
//
// Return PROCTAB* / *proc_t[] or NULL on error ((probably) "/proc" cannot be