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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 1.4 by pajs, Sat Mar 1 16:39:25 2003 UTC vs.
Revision 1.54 by ats, Mon Apr 5 19:55:27 2004 UTC

#	Line 1 | Line 1
1	<	/*
1	>	/*
2		* i-scream central monitoring system
3	<	* http://www.i-scream.org.uk
4	<	* Copyright (C) 2000-2002 i-scream
3	>	* http://www.i-scream.org
4	>	* Copyright (C) 2000-2004 i-scream
5		*
6	<	* This program is free software; you can redistribute it and/or
7	<	* modify it under the terms of the GNU General Public License
8	<	* as published by the Free Software Foundation; either version 2
9	<	* of the License, or (at your option) any later version.
6	>	* This library is free software; you can redistribute it and/or
7	>	* modify it under the terms of the GNU Lesser General Public
8	>	* License as published by the Free Software Foundation; either
9	>	* version 2.1 of the License, or (at your option) any later version.
10		*
11	<	* This program is distributed in the hope that it will be useful,
11	>	* This library is distributed in the hope that it will be useful,
12		* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	<	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	<	* GNU General Public License for more details.
13	>	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14	>	* Lesser General Public License for more details.
15		*
16	<	* You should have received a copy of the GNU General Public License
17	<	* along with this program; if not, write to the Free Software
18	<	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
16	>	* You should have received a copy of the GNU Lesser General Public
17	>	* License along with this library; if not, write to the Free Software
18	>	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19	>	* 02111-1307 USA
20	>	*
21	>	* $Id$
22		*/
23
24		#ifdef HAVE_CONFIG_H
25		#include "config.h"
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>
34	<	#include <unistd.h>
35	<	#include "statgrab.h"
34	>	#include <sys/types.h>
35	>	#include <dirent.h>
36	>	#include <string.h>
37	>	#endif
38
39		#ifdef SOLARIS
40		#include <procfs.h>
41		#include <limits.h>
33	–	#include <dirent.h>
34	–	#include <string.h>
42		#define PROC_LOCATION "/proc"
43		#define MAX_FILE_LENGTH PATH_MAX
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
53	+	#ifdef ALLBSD
54	+	#include <stdlib.h>
55	+	#include <sys/param.h>
56	+	#include <sys/sysctl.h>
57	+	#if defined(FREEBSD) || defined(DFBSD)
58	+	#include <sys/user.h>
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	+	#endif
72
73	<	process_stat_t *get_process_stats(){
73	>	static void proc_state_init(sg_process_stats *s) {
74	>	s->process_name = NULL;
75	>	s->proctitle = NULL;
76	>	}
77
78	<	static process_stat_t process_stat;
78	>	static void proc_state_destroy(sg_process_stats *s) {
79	>	free(s->process_name);
80	>	free(s->proctitle);
81	>	}
82
83	+	sg_process_stats *sg_get_process_stats(int *entries){
84	+	VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
85	+	proc_state_init, proc_state_destroy);
86	+	int proc_state_size = 0;
87	+	sg_process_stats *proc_state_ptr;
88	+	#ifdef ALLBSD
89	+	int mib[4];
90	+	size_t size;
91	+	struct kinfo_proc *kp_stats;
92	+	int procs, i;
93	+	char *proctitle;
94	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
95	+	kvm_t *kvmd;
96	+	char **args, **argsp;
97	+	int argslen = 0;
98	+	#else
99	+	long buflen;
100	+	char *p;
101	+	#endif
102	+	#endif
103	+	#if defined(SOLARIS) || defined(LINUX)
104	+	DIR *proc_dir;
105	+	struct dirent *dir_entry;
106	+	char filename[MAX_FILE_LENGTH];
107	+	FILE *f;
108	+	#ifdef SOLARIS
109		psinfo_t process_info;
110	<	DIR *proc_dir;
111	<	struct dirent *dir_entry;
112	<	char filename[MAX_FILE_LENGTH];
113	<	FILE *f;
110	>	#endif
111	>	#ifdef LINUX
112	>	char s;
113	>	/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
114	>	char ps_name[4096];
115	>	char *ptr;
116	>	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
117	>	unsigned long stime, utime;
118	>	int x;
119	>	int fn;
120	>	int len;
121	>	int rc;
122	>	#endif
123
124	<	process_stat.sleeping=0;
125	<	process_stat.running=0;
126	<	process_stat.zombie=0;
52	<	process_stat.stopped=0;
53	<	process_stat.running=0;
124	>	if((proc_dir=opendir(PROC_LOCATION))==NULL){
125	>	return NULL;
126	>	}
127
128	<	if((proc_dir=opendir(PROC_LOCATION))==NULL){
128	>	while((dir_entry=readdir(proc_dir))!=NULL){
129	>	if(atoi(dir_entry->d_name) == 0) continue;
130	>
131	>	#ifdef SOLARIS
132	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
133	>	#endif
134	>	#ifdef LINUX
135	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
136	>	#endif
137	>	if((f=fopen(filename, "r"))==NULL){
138	>	/* Open failed.. Process since vanished, or the path was too long.
139	>	* Ah well, move onwards to the next one */
140	>	continue;
141	>	}
142	>	#ifdef SOLARIS
143	>	fread(&process_info, sizeof(psinfo_t), 1, f);
144	>	#endif
145	>
146	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
147	>	return NULL;
148	>	}
149	>	proc_state_ptr = proc_state+proc_state_size;
150	>
151	>	#ifdef SOLARIS
152	>	proc_state_ptr->pid = process_info.pr_pid;
153	>	proc_state_ptr->parent = process_info.pr_ppid;
154	>	proc_state_ptr->pgid = process_info.pr_pgid;
155	>	proc_state_ptr->uid = process_info.pr_uid;
156	>	proc_state_ptr->euid = process_info.pr_euid;
157	>	proc_state_ptr->gid = process_info.pr_gid;
158	>	proc_state_ptr->egid = process_info.pr_egid;
159	>	proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
160	>	proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
161	>	proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
162	>	proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
163	>	proc_state_ptr->process_name = strdup(process_info.pr_fname);
164	>	proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
165	>
166	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
167	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
168	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
169	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
170	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
171	>	#endif
172	>	#ifdef LINUX
173	>	x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %*u %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), &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident));
174	>	proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize();
175	>	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
176	>	if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
177	>	if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
178	>	if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
179	>	if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
180	>
181	>	/* pa_name[0] should = '(' */
182	>	ptr = strchr(&ps_name[1], ')');
183	>	if(ptr !=NULL) *ptr='\0';
184	>
185	>	if (sg_update_string(&proc_state_ptr->process_name,
186	>	&ps_name[1]) < 0) {
187	>	return NULL;
188	>	}
189	>
190	>	/* Need to do cpu */
191	>
192	>
193	>	fclose(f);
194	>
195	>	/* proctitle */
196	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
197	>
198	>	if((fn=open(filename, O_RDONLY)) == -1){
199	>	/* Open failed.. Process since vanished, or the path was too long.
200	>	* Ah well, move onwards to the next one */
201	>	continue;
202	>	}
203	>
204	>	#define READ_BLOCK_SIZE 128
205	>	len = 0;
206	>	do {
207	>	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
208	>	return NULL;
209	>	}
210	>	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
211	>	if (rc > 0) {
212	>	len += rc;
213	>	}
214	>	} while (rc == READ_BLOCK_SIZE);
215	>	close(fn);
216	>
217	>	if (rc == -1) {
218	>	/* Read failed; move on. */
219	>	continue;
220	>	}
221	>
222	>	/* Turn \0s into spaces within the command line. */
223	>	ptr = psargs;
224	>	for(x = 0; x < len; x++) {
225	>	if (*ptr == '\0') *ptr = ' ';
226	>	ptr++;
227	>	}
228	>
229	>	if (len == 0) {
230	>	/* We want psargs to be NULL. */
231	>	if (VECTOR_RESIZE(psargs, 0) < 0) {
232	>	return NULL;
233	>	}
234	>	} else {
235	>	/* Not empty, so append a \0. */
236	>	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
237	>	return NULL;
238	>	}
239	>	psargs[len] = '\0';
240	>	}
241	>
242	>	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
243	>	return NULL;
244	>	}
245	>	#endif
246	>
247	>	proc_state_size++;
248	>	}
249	>	closedir(proc_dir);
250	>	#endif
251	>
252	>	#ifdef ALLBSD
253	>	mib[0] = CTL_KERN;
254	>	mib[1] = KERN_PROC;
255	>	mib[2] = KERN_PROC_ALL;
256	>
257	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
258		return NULL;
259		}
260
261	<	while((dir_entry=readdir(proc_dir))!=NULL){
60	<	if(atoi(dir_entry->d_name) == 0) continue;
61	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
261	>	procs = size / sizeof(struct kinfo_proc);
262
263	<	if((f=fopen(filename, "r"))==NULL){
264	<	/* Open failed.. Process since vanished, or the path was too long.
265	<	* Ah well, move onwards to the next one */
263	>	kp_stats = malloc(size);
264	>	if(kp_stats == NULL) {
265	>	return NULL;
266	>	}
267	>	memset(kp_stats, 0, size);
268	>
269	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
270	>	free(kp_stats);
271	>	return NULL;
272	>	}
273	>
274	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
275	>	kvmd = sg_get_kvm2();
276	>	#endif
277	>
278	>	for (i = 0; i < procs; i++) {
279	>	const char *name;
280	>
281	>	if (kp_stats[i].ki_stat == 0) {
282	>	/* FreeBSD 5 deliberately overallocates the array that
283	>	* the sysctl returns, so we'll get a few junk
284	>	* processes on the end that we have to ignore. (Search
285	>	* for "overestimate by 5 procs" in
286	>	* src/sys/kern/kern_proc.c for more details.) */
287		continue;
288		}
289
290	<	fread(&process_info, sizeof(psinfo_t), 1, f);
291	<	fclose(f);
290	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
291	>	return NULL;
292	>	}
293	>	proc_state_ptr = proc_state+proc_state_size;
294
295	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
296	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
297	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
298	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
299	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
295	>	#ifdef FREEBSD5
296	>	name = kp_stats[i].ki_comm;
297	>	#elif defined(DFBSD)
298	>	name = kp_stats[i].kp_thread.td_comm;
299	>	#else
300	>	name = kp_stats[i].kp_proc.p_comm;
301	>	#endif
302	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
303	>	return NULL;
304	>	}
305	>
306	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
307	>	size = sizeof(buflen);
308	>
309	>	#ifdef FREEBSD5
310	>	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
311	>	return NULL;
312	>	}
313	>	#else
314	>	mib[1] = KERN_ARGMAX;
315	>
316	>	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
317	>	return NULL;
318	>	}
319	>	#endif
320	>
321	>	proctitle = malloc(buflen);
322	>	if(proctitle == NULL) {
323	>	return NULL;
324	>	}
325	>
326	>	size = buflen;
327	>
328	>	#ifdef FREEBSD5
329	>	mib[2] = KERN_PROC_ARGS;
330	>	mib[3] = kp_stats[i].ki_pid;
331	>	#else
332	>	mib[1] = KERN_PROC_ARGS;
333	>	mib[2] = kp_stats[i].kp_proc.p_pid;
334	>	mib[3] = KERN_PROC_ARGV;
335	>	#endif
336	>
337	>	free(proc_state_ptr->proctitle);
338	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
339	>	free(proctitle);
340	>	proc_state_ptr->proctitle = NULL;
341	>	}
342	>	else if(size > 0) {
343	>	proc_state_ptr->proctitle = malloc(size+1);
344	>	if(proc_state_ptr->proctitle == NULL) {
345	>	return NULL;
346	>	}
347	>	p = proctitle;
348	>	proc_state_ptr->proctitle[0] = '\0';
349	>	do {
350	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
351	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
352	>	p += strlen(p) + 1;
353	>	} while (p < proctitle + size);
354	>	free(proctitle);
355	>	/* remove trailing space */
356	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
357	>	}
358	>	else {
359	>	free(proctitle);
360	>	proc_state_ptr->proctitle = NULL;
361	>	}
362	>	#else
363	>	free(proc_state_ptr->proctitle);
364	>	if(kvmd != NULL) {
365	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
366	>	if(args != NULL) {
367	>	argsp = args;
368	>	while(*argsp != NULL) {
369	>	argslen += strlen(*argsp) + 1;
370	>	argsp++;
371	>	}
372	>	proctitle = malloc(argslen + 1);
373	>	proctitle[0] = '\0';
374	>	if(proctitle == NULL) {
375	>	return NULL;
376	>	}
377	>	while(*args != NULL) {
378	>	sg_strlcat(proctitle, *args, argslen + 1);
379	>	sg_strlcat(proctitle, " ", argslen + 1);
380	>	args++;
381	>	}
382	>	/* remove trailing space */
383	>	proctitle[strlen(proctitle)-1] = '\0';
384	>	proc_state_ptr->proctitle = proctitle;
385	>	}
386	>	else {
387	>	proc_state_ptr->proctitle = NULL;
388	>	}
389	>	}
390	>	else {
391	>	proc_state_ptr->proctitle = NULL;
392	>	}
393	>	#endif
394	>
395	>	#ifdef FREEBSD5
396	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
397	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
398	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
399	>	#else
400	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
401	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
402	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
403	>	#endif
404	>
405	>	#ifdef FREEBSD5
406	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
407	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
408	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
409	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
410	>	#elif defined(DFBSD)
411	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
412	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
413	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
414	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
415	>	#else
416	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
417	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
418	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
419	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
420	>	#endif
421	>
422	>	#ifdef FREEBSD5
423	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
424	>	/* This is in pages */
425	>	proc_state_ptr->proc_resident =
426	>	kp_stats[i].ki_rssize * getpagesize();
427	>	/* This is in microseconds */
428	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
429	>	proc_state_ptr->cpu_percent =
430	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
431	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
432	>	#else
433	>	proc_state_ptr->proc_size =
434	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
435	>	/* This is in pages */
436	>	proc_state_ptr->proc_resident =
437	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
438	>	#if defined(NETBSD) || defined(OPENBSD)
439	>	proc_state_ptr->time_spent =
440	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
441	>	#elif defined(DFBSD)
442	>	proc_state_ptr->time_spent =
443	>	( kp_stats[i].kp_thread.td_uticks +
444	>	kp_stats[i].kp_thread.td_sticks +
445	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
446	>	#else
447	>	/* This is in microseconds */
448	>	proc_state_ptr->time_spent =
449	>	kp_stats[i].kp_proc.p_runtime / 1000000;
450	>	#endif
451	>	proc_state_ptr->cpu_percent =
452	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
453	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
454	>	#endif
455	>
456	>	#ifdef FREEBSD5
457	>	switch (kp_stats[i].ki_stat) {
458	>	#else
459	>	switch (kp_stats[i].kp_proc.p_stat) {
460	>	#endif
461	>	case SIDL:
462	>	case SRUN:
463	>	#ifdef SONPROC
464	>	case SONPROC: /* NetBSD */
465	>	#endif
466	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
467	>	break;
468	>	case SSLEEP:
469	>	#ifdef SWAIT
470	>	case SWAIT: /* FreeBSD 5 */
471	>	#endif
472	>	#ifdef SLOCK
473	>	case SLOCK: /* FreeBSD 5 */
474	>	#endif
475	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
476	>	break;
477	>	case SSTOP:
478	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
479	>	break;
480	>	case SZOMB:
481	>	#ifdef SDEAD
482	>	case SDEAD: /* OpenBSD & NetBSD */
483	>	#endif
484	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
485	>	break;
486	>	default:
487	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
488	>	break;
489	>	}
490	>	proc_state_size++;
491		}
78	–
79	–	closedir(proc_dir);
492
493	+	free(kp_stats);
494	+	#endif
495
496	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
496	>	#ifdef CYGWIN
497	>	return NULL;
498	>	#endif
499	>
500	>	*entries = proc_state_size;
501	>	return proc_state;
502	>	}
503	>
504	>	sg_process_count *sg_get_process_count() {
505	>	static sg_process_count process_stat;
506	>	sg_process_stats *ps;
507	>	int ps_size, x;
508	>
509	>	process_stat.sleeping = 0;
510	>	process_stat.running = 0;
511	>	process_stat.zombie = 0;
512	>	process_stat.stopped = 0;
513	>	process_stat.total = 0;
514	>
515	>	ps = sg_get_process_stats(&ps_size);
516	>	if (ps == NULL) {
517	>	return NULL;
518	>	}
519	>
520	>	for(x = 0; x < ps_size; x++) {
521	>	switch (ps->state) {
522	>	case SG_PROCESS_STATE_RUNNING:
523	>	process_stat.running++;
524	>	break;
525	>	case SG_PROCESS_STATE_SLEEPING:
526	>	process_stat.sleeping++;
527	>	break;
528	>	case SG_PROCESS_STATE_STOPPED:
529	>	process_stat.stopped++;
530	>	break;
531	>	case SG_PROCESS_STATE_ZOMBIE:
532	>	process_stat.zombie++;
533	>	break;
534	>	default:
535	>	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
536	>	* sg_process_count */
537	>	break;
538	>	}
539	>	ps++;
540	>	}
541	>
542	>	process_stat.total = ps_size;
543	>
544		return &process_stat;
545		}

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