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root/i-scream/projects/libstatgrab/src/libstatgrab/process_stats.c

Comparing projects/libstatgrab/src/libstatgrab/process_stats.c (file contents):
Revision 1.23 by pajs, Sun Mar 28 18:04:14 2004 UTC vs.
Revision 1.58 by pajs, Tue Apr 6 16:29:44 2004 UTC

#	Line 1 | Line 1
1		/*
2	<	* i-scream central monitoring system
2	>	* i-scream libstatgrab
3		* http://www.i-scream.org
4		* Copyright (C) 2000-2004 i-scream
5		*
#	Line 26 | Line 26
26		#endif
27
28		#include "statgrab.h"
29	+	#include "tools.h"
30	+	#include "vector.h"
31		#if defined(SOLARIS) || defined(LINUX)
32		#include <stdio.h>
33		#include <stdlib.h>
#	Line 42 | Line 44
44		#endif
45		#ifdef LINUX
46		#include <limits.h>
47	+	#include <unistd.h>
48	+	#include <sys/stat.h>
49	+	#include <fcntl.h>
50		#define PROC_LOCATION "/proc"
51		#define MAX_FILE_LENGTH PATH_MAX
52		#endif
#	Line 54 | Line 59
59		#else
60		#include <sys/proc.h>
61		#endif
62	+	#include <string.h>
63	+	#include <paths.h>
64	+	#include <fcntl.h>
65	+	#include <limits.h>
66	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
67	+	#include <kvm.h>
68	+	#include <tools.h>
69		#endif
70	+	#include <unistd.h>
71	+	#ifdef NETBSD2
72	+	#include <sys/lwp.h>
73	+	#endif
74	+	#endif
75
76	<	int get_proc_snapshot(proc_state_t **ps){
77	<	proc_state_t *proc_state = NULL;
78	<	proc_state_t *proc_state_ptr;
76	>	static void proc_state_init(sg_process_stats *s) {
77	>	s->process_name = NULL;
78	>	s->proctitle = NULL;
79	>	}
80	>
81	>	static void proc_state_destroy(sg_process_stats *s) {
82	>	free(s->process_name);
83	>	free(s->proctitle);
84	>	}
85	>
86	>	sg_process_stats *sg_get_process_stats(int *entries){
87	>	VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
88	>	proc_state_init, proc_state_destroy);
89		int proc_state_size = 0;
90	<	#if defined(SOLARIS)
90	>	sg_process_stats *proc_state_ptr;
91	>	#ifdef ALLBSD
92	>	int mib[4];
93	>	size_t size;
94	>	struct kinfo_proc *kp_stats;
95	>	int procs, i;
96	>	char *proctitle;
97	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
98	>	kvm_t *kvmd;
99	>	char **args, **argsp;
100	>	int argslen = 0;
101	>	#else
102	>	long buflen;
103	>	char *p;
104	>	#endif
105	>	#ifdef NETBSD2
106	>	int lwps;
107	>	struct kinfo_lwp *kl_stats;
108	>	#endif
109	>	#endif
110	>	#if defined(SOLARIS) || defined(LINUX)
111		DIR *proc_dir;
112		struct dirent *dir_entry;
113		char filename[MAX_FILE_LENGTH];
114		FILE *f;
115	+	#ifdef SOLARIS
116		psinfo_t process_info;
117	+	#endif
118	+	#ifdef LINUX
119	+	char s;
120	+	/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
121	+	char ps_name[4096];
122	+	char *ptr;
123	+	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
124	+	unsigned long stime, utime, starttime;
125	+	int x;
126	+	int fn;
127	+	int len;
128	+	int rc;
129	+	time_t uptime;
130	+	#endif
131
132	+	#ifdef LINUX
133	+	if ((f=fopen("/proc/uptime", "r")) == NULL) {
134	+	return NULL;
135	+	}
136	+	if((fscanf(f,"%lu %*d",&uptime)) != 1){
137	+	return NULL;
138	+	}
139	+	fclose(f);
140	+	#endif
141	+
142		if((proc_dir=opendir(PROC_LOCATION))==NULL){
143		return NULL;
144		}
#	Line 74 | Line 146 | int get_proc_snapshot(proc_state_t **ps){
146		while((dir_entry=readdir(proc_dir))!=NULL){
147		if(atoi(dir_entry->d_name) == 0) continue;
148
149	+	#ifdef SOLARIS
150		snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
151	<
151	>	#endif
152	>	#ifdef LINUX
153	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
154	>	#endif
155		if((f=fopen(filename, "r"))==NULL){
156		/* Open failed.. Process since vanished, or the path was too long.
157		* Ah well, move onwards to the next one */
158		continue;
159		}
160	+	#ifdef SOLARIS
161		fread(&process_info, sizeof(psinfo_t), 1, f);
162	+	#endif
163
164	<	proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t));
165	<
164	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
165	>	return NULL;
166	>	}
167		proc_state_ptr = proc_state+proc_state_size;
168	<
168	>
169	>	#ifdef SOLARIS
170		proc_state_ptr->pid = process_info.pr_pid;
171		proc_state_ptr->parent = process_info.pr_ppid;
172		proc_state_ptr->pgid = process_info.pr_pgid;
#	Line 101 | Line 181 | int get_proc_snapshot(proc_state_t **ps){
181		proc_state_ptr->process_name = strdup(process_info.pr_fname);
182		proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
183
184	<	proc_state_size++;
184	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
185	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
186	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
187	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
188	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
189		#endif
190	+	#ifdef LINUX
191	+	x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %lu %llu %llu %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &starttime, &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident));
192	+	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
193	+	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
194	+	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
195	+	if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
196	+	if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
197	+	if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
198	+	if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
199	+
200	+	/* pa_name[0] should = '(' */
201	+	ptr = strchr(&ps_name[1], ')');
202	+	if(ptr !=NULL) *ptr='\0';
203
204	+	if (sg_update_string(&proc_state_ptr->process_name,
205	+	&ps_name[1]) < 0) {
206	+	return NULL;
207	+	}
208
209	+	/* cpu */
210	+	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
211	+	printf("%s  ut: %lu st: %lu up: %lu start: %lu\n", proc_state_ptr->process_name, utime, stime, uptime , starttime);
212	+
213		fclose(f);
214	+
215	+	/* proctitle */
216	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
217	+
218	+	if((fn=open(filename, O_RDONLY)) == -1){
219	+	/* Open failed.. Process since vanished, or the path was too long.
220	+	* Ah well, move onwards to the next one */
221	+	continue;
222	+	}
223	+
224	+	#define READ_BLOCK_SIZE 128
225	+	len = 0;
226	+	do {
227	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
228	+	return NULL;
229	+	}
230	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
231	+	if (rc > 0) {
232	+	len += rc;
233	+	}
234	+	} while (rc == READ_BLOCK_SIZE);
235	+	close(fn);
236	+
237	+	if (rc == -1) {
238	+	/* Read failed; move on. */
239	+	continue;
240	+	}
241	+
242	+	/* Turn \0s into spaces within the command line. */
243	+	ptr = psargs;
244	+	for(x = 0; x < len; x++) {
245	+	if (*ptr == '\0') *ptr = ' ';
246	+	ptr++;
247	+	}
248	+
249	+	if (len == 0) {
250	+	/* We want psargs to be NULL. */
251	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
252	+	return NULL;
253	+	}
254	+	} else {
255	+	/* Not empty, so append a \0. */
256	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
257	+	return NULL;
258	+	}
259	+	psargs[len] = '\0';
260	+	}
261	+
262	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
263	+	return NULL;
264	+	}
265	+	#endif
266	+
267	+	proc_state_size++;
268		}
269		closedir(proc_dir);
270	<	*ps = proc_state;
270	>	#endif
271
272	<	return proc_state_size;
272	>	#ifdef ALLBSD
273	>	mib[0] = CTL_KERN;
274	>	mib[1] = KERN_PROC;
275	>	mib[2] = KERN_PROC_ALL;
276	>
277	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
278	>	return NULL;
279	>	}
280	>
281	>	procs = size / sizeof(struct kinfo_proc);
282	>
283	>	kp_stats = malloc(size);
284	>	if(kp_stats == NULL) {
285	>	return NULL;
286	>	}
287	>	memset(kp_stats, 0, size);
288	>
289	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
290	>	free(kp_stats);
291	>	return NULL;
292	>	}
293	>
294	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
295	>	kvmd = sg_get_kvm2();
296	>	#endif
297	>
298	>	for (i = 0; i < procs; i++) {
299	>	const char *name;
300	>
301	>	#ifdef FREEBSD5
302	>	if (kp_stats[i].ki_stat == 0) {
303	>	#else
304	>	if (kp_stats[i].kp_proc.p_stat == 0) {
305	>	#endif
306	>	/* FreeBSD 5 deliberately overallocates the array that
307	>	* the sysctl returns, so we'll get a few junk
308	>	* processes on the end that we have to ignore. (Search
309	>	* for "overestimate by 5 procs" in
310	>	* src/sys/kern/kern_proc.c for more details.) */
311	>	continue;
312	>	}
313	>
314	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
315	>	return NULL;
316	>	}
317	>	proc_state_ptr = proc_state+proc_state_size;
318	>
319	>	#ifdef FREEBSD5
320	>	name = kp_stats[i].ki_comm;
321	>	#elif defined(DFBSD)
322	>	name = kp_stats[i].kp_thread.td_comm;
323	>	#else
324	>	name = kp_stats[i].kp_proc.p_comm;
325	>	#endif
326	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
327	>	return NULL;
328	>	}
329	>
330	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
331	>	size = sizeof(buflen);
332	>
333	>	#ifdef FREEBSD5
334	>	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
335	>	return NULL;
336	>	}
337	>	#else
338	>	/* FIXME - this value can be too large on some of
339	>	the BSD's, which causes sysctl not to return
340	>	anything. Maybe we need something smaller? */
341	>	mib[1] = KERN_ARGMAX;
342	>
343	>	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
344	>	return NULL;
345	>	}
346	>	#endif
347	>
348	>	proctitle = malloc(buflen);
349	>	if(proctitle == NULL) {
350	>	return NULL;
351	>	}
352	>
353	>	size = buflen;
354	>
355	>	#ifdef FREEBSD5
356	>	mib[2] = KERN_PROC_ARGS;
357	>	mib[3] = kp_stats[i].ki_pid;
358	>	#else
359	>	mib[1] = KERN_PROC_ARGS;
360	>	mib[2] = kp_stats[i].kp_proc.p_pid;
361	>	mib[3] = KERN_PROC_ARGV;
362	>	#endif
363	>
364	>	free(proc_state_ptr->proctitle);
365	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
366	>	free(proctitle);
367	>	proc_state_ptr->proctitle = NULL;
368	>	}
369	>	else if(size > 0) {
370	>	proc_state_ptr->proctitle = malloc(size+1);
371	>	if(proc_state_ptr->proctitle == NULL) {
372	>	return NULL;
373	>	}
374	>	p = proctitle;
375	>	proc_state_ptr->proctitle[0] = '\0';
376	>	do {
377	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
378	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
379	>	p += strlen(p) + 1;
380	>	} while (p < proctitle + size);
381	>	free(proctitle);
382	>	/* remove trailing space */
383	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
384	>	}
385	>	else {
386	>	free(proctitle);
387	>	proc_state_ptr->proctitle = NULL;
388	>	}
389	>	#else
390	>	free(proc_state_ptr->proctitle);
391	>	if(kvmd != NULL) {
392	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
393	>	if(args != NULL) {
394	>	argsp = args;
395	>	while(*argsp != NULL) {
396	>	argslen += strlen(*argsp) + 1;
397	>	argsp++;
398	>	}
399	>	proctitle = malloc(argslen + 1);
400	>	proctitle[0] = '\0';
401	>	if(proctitle == NULL) {
402	>	return NULL;
403	>	}
404	>	while(*args != NULL) {
405	>	sg_strlcat(proctitle, *args, argslen + 1);
406	>	sg_strlcat(proctitle, " ", argslen + 1);
407	>	args++;
408	>	}
409	>	/* remove trailing space */
410	>	proctitle[strlen(proctitle)-1] = '\0';
411	>	proc_state_ptr->proctitle = proctitle;
412	>	}
413	>	else {
414	>	proc_state_ptr->proctitle = NULL;
415	>	}
416	>	}
417	>	else {
418	>	proc_state_ptr->proctitle = NULL;
419	>	}
420	>	#endif
421	>
422	>	#ifdef FREEBSD5
423	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
424	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
425	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
426	>	#else
427	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
428	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
429	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
430	>	#endif
431	>
432	>	#ifdef FREEBSD5
433	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
434	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
435	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
436	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
437	>	#elif defined(DFBSD)
438	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
439	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
440	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
441	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
442	>	#else
443	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
444	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
445	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
446	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
447	>	#endif
448	>
449	>	#ifdef FREEBSD5
450	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
451	>	/* This is in pages */
452	>	proc_state_ptr->proc_resident =
453	>	kp_stats[i].ki_rssize * getpagesize();
454	>	/* This is in microseconds */
455	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
456	>	proc_state_ptr->cpu_percent =
457	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
458	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
459	>	#else
460	>	proc_state_ptr->proc_size =
461	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
462	>	/* This is in pages */
463	>	proc_state_ptr->proc_resident =
464	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
465	>	#if defined(NETBSD) || defined(OPENBSD)
466	>	proc_state_ptr->time_spent =
467	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
468	>	#elif defined(DFBSD)
469	>	proc_state_ptr->time_spent =
470	>	( kp_stats[i].kp_thread.td_uticks +
471	>	kp_stats[i].kp_thread.td_sticks +
472	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
473	>	#else
474	>	/* This is in microseconds */
475	>	proc_state_ptr->time_spent =
476	>	kp_stats[i].kp_proc.p_runtime / 1000000;
477	>	#endif
478	>	proc_state_ptr->cpu_percent =
479	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
480	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
481	>	#endif
482	>
483	>	#ifdef NETBSD2
484	>	{
485	>	size_t size;
486	>	int mib[5];
487	>
488	>	mib[0] = CTL_KERN;
489	>	mib[1] = KERN_LWP;
490	>	mib[2] = kp_stats[i].kp_proc.p_pid;
491	>	mib[3] = sizeof(struct kinfo_lwp);
492	>	mib[4] = 0;
493	>
494	>	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
495	>	return NULL;
496	>	}
497	>
498	>	lwps = size / sizeof(struct kinfo_lwp);
499	>	mib[4] = lwps;
500	>
501	>	kl_stats = malloc(size);
502	>	if(kl_stats == NULL) {
503	>	return NULL;
504	>	}
505	>
506	>	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
507	>	return NULL;
508	>	}
509	>	}
510	>
511	>	switch(kp_stats[i].kp_proc.p_stat) {
512	>	case SIDL:
513	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
514	>	break;
515	>	case SACTIVE:
516	>	{
517	>	int i;
518	>
519	>	for(i = 0; i < lwps; i++) {
520	>	switch(kl_stats[i].l_stat) {
521	>	case LSONPROC:
522	>	case LSRUN:
523	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
524	>	goto end;
525	>	case LSSLEEP:
526	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
527	>	goto end;
528	>	case LSSTOP:
529	>	case LSSUSPENDED:
530	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
531	>	goto end;
532	>	}
533	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
534	>	}
535	>	end: ;
536	>	}
537	>	break;
538	>	case SSTOP:
539	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
540	>	break;
541	>	case SZOMB:
542	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
543	>	break;
544	>	default:
545	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
546	>	break;
547	>	}
548	>	#else
549	>	#ifdef FREEBSD5
550	>	switch (kp_stats[i].ki_stat) {
551	>	#else
552	>	switch (kp_stats[i].kp_proc.p_stat) {
553	>	#endif
554	>	case SIDL:
555	>	case SRUN:
556	>	#ifdef SONPROC
557	>	case SONPROC: /* NetBSD */
558	>	#endif
559	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
560	>	break;
561	>	case SSLEEP:
562	>	#ifdef SWAIT
563	>	case SWAIT: /* FreeBSD 5 */
564	>	#endif
565	>	#ifdef SLOCK
566	>	case SLOCK: /* FreeBSD 5 */
567	>	#endif
568	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
569	>	break;
570	>	case SSTOP:
571	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
572	>	break;
573	>	case SZOMB:
574	>	#ifdef SDEAD
575	>	case SDEAD: /* OpenBSD & NetBSD */
576	>	#endif
577	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
578	>	break;
579	>	default:
580	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
581	>	break;
582	>	}
583	>	#endif
584	>	proc_state_size++;
585	>	}
586	>
587	>	free(kp_stats);
588	>	#endif
589	>
590	>	#ifdef CYGWIN
591	>	return NULL;
592	>	#endif
593	>
594	>	*entries = proc_state_size;
595	>	return proc_state;
596		}
597
598	+	sg_process_count *sg_get_process_count() {
599	+	static sg_process_count process_stat;
600	+	sg_process_stats *ps;
601	+	int ps_size, x;
602	+
603	+	process_stat.sleeping = 0;
604	+	process_stat.running = 0;
605	+	process_stat.zombie = 0;
606	+	process_stat.stopped = 0;
607	+	process_stat.total = 0;
608	+
609	+	ps = sg_get_process_stats(&ps_size);
610	+	if (ps == NULL) {
611	+	return NULL;
612	+	}
613	+
614	+	for(x = 0; x < ps_size; x++) {
615	+	switch (ps->state) {
616	+	case SG_PROCESS_STATE_RUNNING:
617	+	process_stat.running++;
618	+	break;
619	+	case SG_PROCESS_STATE_SLEEPING:
620	+	process_stat.sleeping++;
621	+	break;
622	+	case SG_PROCESS_STATE_STOPPED:
623	+	process_stat.stopped++;
624	+	break;
625	+	case SG_PROCESS_STATE_ZOMBIE:
626	+	process_stat.zombie++;
627	+	break;
628	+	default:
629	+	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
630	+	* sg_process_count */
631	+	break;
632	+	}
633	+	ps++;
634	+	}
635	+
636	+	process_stat.total = ps_size;
637	+
638	+	return &process_stat;
639	+	}

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