int get_process_info_sysdep(ProcInfo_T p) {
int nproc;
int i,rv;
struct userinfo user;
memset(&user,0,sizeof(struct userinfo));
nproc=getproc(procs,NPROCS,sizeof(struct procinfo));
for(i=0;i<nproc;i++) {
if(p->pid==procs[i].pi_pid) {
if(procs[i].pi_stat==SZOMB) {
empty:
p->cputime_prev= p->cputime = 0;
p->mem_kbyte= 0;
p->mem_percent= 0.0;
p->status_flag |= PROCESS_ZOMBIE;
} else {
rv=getuser(&(procs[i]),sizeof(struct procinfo),
&user,sizeof(struct userinfo));
if(rv== -1) {
goto empty;
}
p->mem_percent = user.ui_prm*10;
p->mem_kbyte = (user.ui_drss+user.ui_trss)*4;
p->cputime_prev= p->cputime;
p->cputime= ( timestruc_to_tseconds(user.ui_ru.ru_utime) +
timestruc_to_tseconds(user.ui_ru.ru_stime));
if( include_children ) {
p->cputime+= (
timestruc_to_tseconds(user.ui_cru.ru_utime)+
timestruc_to_tseconds(user.ui_cru.ru_stime));
}
/* first run ? */
if ( p->time_prev == 0.0 ) {
p->cputime_prev= p->cputime;
}
}
return TRUE;
}
}
return FALSE;
}
/**
* Read all processes of the proc files system to initialize
* the process tree (sysdep version... but should work for
* all procfs based unices)
* @param reference reference of ProcessTree
* @return treesize>0 if succeeded otherwise =0.
*/
int initprocesstree_sysdep(ProcessTree_T ** reference) {
int i;
int rv;
int pid;
int treesize;
char buf[4096];
glob_t globbuf;
pstatus_t pstatus;
psinfo_t *psinfo = (psinfo_t *)&buf;
ProcessTree_T *pt;
ASSERT(reference);
/* Find all processes in the /proc directory */
if ((rv = glob("/proc/[0-9]*", NULL, NULL, &globbuf)) != 0) {
LogError("system statistic error -- glob failed: %d (%s)\n", rv, STRERROR);
return 0;
}
treesize = globbuf.gl_pathc;
/* Allocate the tree */
pt = xcalloc(sizeof(ProcessTree_T), treesize);
/* Insert data from /proc directory */
for (i = 0; i < treesize; i++) {
pid = atoi(globbuf.gl_pathv[i] + strlen("/proc/"));
pt[i].pid = pid;
/* get the actual time */
pt[i].time = get_float_time();
if (! read_proc_file(buf, sizeof(buf), "psinfo", pt[i].pid, NULL)) {
pt[i].cputime = 0;
pt[i].cpu_percent = 0;
pt[i].mem_kbyte = 0;
continue;
}
pt[i].ppid = psinfo->pr_ppid;
pt[i].starttime = psinfo->pr_start.tv_sec;
/* If we don't have any light-weight processes (LWP) then we are definitely a zombie */
if (psinfo->pr_nlwp == 0) {
pt[i].status_flag = PROCESS_ZOMBIE;
pt[i].cputime = 0;
pt[i].cpu_percent = 0;
pt[i].mem_kbyte = 0;
continue;
}
pt[i].mem_kbyte = psinfo->pr_rssize;
pt[i].cmdline = xstrdup(psinfo->pr_psargs);
if (! pt[i].cmdline || ! *pt[i].cmdline)
pt[i].cmdline = xstrdup(psinfo->pr_fname);
if (! read_proc_file(buf, sizeof(buf), "status", pt[i].pid, NULL)) {
pt[i].cputime = 0;
pt[i].cpu_percent = 0;
} else {
memcpy(&pstatus, buf, sizeof(pstatus_t));
pt[i].cputime = (timestruc_to_tseconds(pstatus.pr_utime) + timestruc_to_tseconds(pstatus.pr_stime));
pt[i].cpu_percent = 0;
}
}
*reference = pt;
/* Free globbing buffer */
globfree(&globbuf);
return treesize;
}
