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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 1.15 by ats, Wed Nov 12 01:36:19 2003 UTC vs.
Revision 1.42 by tdb, Sun Apr 4 22:09:32 2004 UTC

#	Line 1 | Line 1
1	<	/*
1	>	/*
2		* i-scream central monitoring system
3		* http://www.i-scream.org
4	<	* Copyright (C) 2000-2003 i-scream
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
#	Line 31 | Line 34
34		#include <string.h>
35		#endif
36
34	–	#include "tools.h"
37		#ifdef SOLARIS
38		#include <procfs.h>
39		#include <limits.h>
#	Line 39 | Line 41
41		#define MAX_FILE_LENGTH PATH_MAX
42		#endif
43		#ifdef LINUX
44	<	#include <linux/limits.h>
44	>	#include <limits.h>
45	>	#include <unistd.h>
46	>	#include <sys/stat.h>
47	>	#include <fcntl.h>
48		#define PROC_LOCATION "/proc"
49		#define MAX_FILE_LENGTH PATH_MAX
50		#endif
51		#ifdef ALLBSD
52	<	#include <kvm.h>
52	>	#include <stdlib.h>
53		#include <sys/param.h>
54		#include <sys/sysctl.h>
55	<	#endif
51	<	#ifdef FREEBSD
55	>	#if defined(FREEBSD) || defined(DFBSD)
56		#include <sys/user.h>
57	+	#else
58	+	#include <sys/proc.h>
59		#endif
60	+	#include <string.h>
61	+	#include <paths.h>
62	+	#include <fcntl.h>
63	+	#include <limits.h>
64	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
65	+	#include <kvm.h>
66	+	#endif
67	+	#include <unistd.h>
68	+	#endif
69
70	<	process_stat_t *get_process_stats(){
71	<
72	<	static process_stat_t process_stat;
73	<
74	<	#if defined(SOLARIS) || defined(LINUX)
75	<	DIR *proc_dir;
76	<	struct dirent *dir_entry;
77	<	char filename[MAX_FILE_LENGTH];
78	<	FILE *f;
70	>	int get_proc_snapshot(proc_state_t **ps){
71	>	proc_state_t *proc_state = NULL;
72	>	proc_state_t *proc_state_ptr;
73	>	int proc_state_size = 0;
74	>	#ifdef ALLBSD
75	>	int mib[4];
76	>	size_t size;
77	>	struct kinfo_proc *kp_stats;
78	>	int procs, i;
79	>	char *proctitle;
80	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
81	>	kvm_t *kvmd;
82	>	char **args;
83	>	int alloc;
84	>	#else
85	>	long buflen;
86	>	char *p;
87		#endif
65	–	#ifdef LINUX
66	–	char *line_ptr;
88		#endif
89	+	#if defined(SOLARIS) || defined(LINUX)
90	+	DIR *proc_dir;
91	+	struct dirent *dir_entry;
92	+	char filename[MAX_FILE_LENGTH];
93	+	FILE *f;
94		#ifdef SOLARIS
95		psinfo_t process_info;
96		#endif
97	<	#ifdef ALLBSD
98	<	struct kinfo_proc *kp_stats;
99	<	kvm_t *kvmd;
100	<	int procs;
97	>	#ifdef LINUX
98	>	char s;
99	>	/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
100	>	char ps_name[4096];
101	>	char *ptr;
102	>	static char *psargs = NULL;
103	>	static int psarg_size = 0;
104	>	unsigned long stime, utime;
105	>	int x;
106	>	int fn;
107	>	int toread;
108	>	ssize_t size;
109	>	int t_read;
110		#endif
111
112	<	process_stat.sleeping=0;
113	<	process_stat.running=0;
114	<	process_stat.zombie=0;
80	<	process_stat.stopped=0;
81	<	process_stat.total=0;
112	>	if((proc_dir=opendir(PROC_LOCATION))==NULL){
113	>	return -1;
114	>	}
115
116	<	#if defined(SOLARIS) || defined(LINUX)
117	<	if((proc_dir=opendir(PROC_LOCATION))==NULL){
85	<	return NULL;
86	<	}
116	>	while((dir_entry=readdir(proc_dir))!=NULL){
117	>	if(atoi(dir_entry->d_name) == 0) continue;
118
88	–	while((dir_entry=readdir(proc_dir))!=NULL){
89	–	if(atoi(dir_entry->d_name) == 0) continue;
90	–
119		#ifdef SOLARIS
120	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
120	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
121		#endif
122		#ifdef LINUX
123	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
123	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
124		#endif
125	+	if((f=fopen(filename, "r"))==NULL){
126	+	/* Open failed.. Process since vanished, or the path was too long.
127	+	* Ah well, move onwards to the next one */
128	+	continue;
129	+	}
130	+	#ifdef SOLARIS
131	+	fread(&process_info, sizeof(psinfo_t), 1, f);
132	+	#endif
133
134	<	if((f=fopen(filename, "r"))==NULL){
135	<	/* Open failed.. Process since vanished, or the path was too long.
136	<	* Ah well, move onwards to the next one */
137	<	continue;
138	<	}
134	>	proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t));
135	>	proc_state_ptr = proc_state+proc_state_size;
136	>	#ifdef SOLARIS
137	>	proc_state_ptr->pid = process_info.pr_pid;
138	>	proc_state_ptr->parent = process_info.pr_ppid;
139	>	proc_state_ptr->pgid = process_info.pr_pgid;
140	>	proc_state_ptr->uid = process_info.pr_uid;
141	>	proc_state_ptr->euid = process_info.pr_euid;
142	>	proc_state_ptr->gid = process_info.pr_gid;
143	>	proc_state_ptr->egid = process_info.pr_egid;
144	>	proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
145	>	proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
146	>	proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
147	>	proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
148	>	proc_state_ptr->process_name = strdup(process_info.pr_fname);
149	>	proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
150
151	<	#ifdef SOLARIS
152	<	fread(&process_info, sizeof(psinfo_t), 1, f);
153	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
154	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
155	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
109	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
110	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
151	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SLEEPING;
152	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = RUNNING;
153	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = ZOMBIE;
154	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = STOPPED;
155	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = RUNNING;
156		#endif
157		#ifdef LINUX
158	<	if((line_ptr=f_read_line(f, "State:"))==NULL){
159	<	fclose(f);
160	<	continue;
158	>	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));
159	>	proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize();
160	>	if(s == 'S') proc_state_ptr->state = SLEEPING;
161	>	if(s == 'R') proc_state_ptr->state = RUNNING;
162	>	if(s == 'Z') proc_state_ptr->state = ZOMBIE;
163	>	if(s == 'T') proc_state_ptr->state = STOPPED;
164	>	if(s == 'D') proc_state_ptr->state = STOPPED;
165	>
166	>	/* pa_name[0] should = '(' */
167	>	ptr = strchr(&ps_name[1], ')');
168	>	if(ptr !=NULL) *ptr='\0';
169	>	proc_state_ptr->process_name = strdup(&ps_name[1]);
170	>
171	>	/* Need to do cpu */
172	>
173	>
174	>	/* proctitle */
175	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
176	>
177	>	if((fn=open(filename, O_RDONLY)) == -1){
178	>	/* Open failed.. Process since vanished, or the path was too long.
179	>	* Ah well, move onwards to the next one */
180	>	continue;
181	>	}
182	>	#define         PSARG_START_SIZE 128
183	>	if(psargs == NULL){
184	>	psargs = malloc(PSARG_START_SIZE);
185	>	psarg_size = PSARG_START_SIZE;
186		}
187	<	if((line_ptr=strchr(line_ptr, '\t'))==NULL){
188	<	fclose(f);
189	<	continue;
187	>	ptr = psargs;
188	>	t_read = 0;
189	>	toread = psarg_size;
190	>	while((size = read(fn, ptr, toread)) == toread){
191	>	psargs = realloc(psargs, (psarg_size + PSARG_START_SIZE));
192	>	ptr = psargs+psarg_size;
193	>	t_read = psarg_size;
194	>	psarg_size+=PSARG_START_SIZE;
195	>	toread = PSARG_START_SIZE;
196		}
197	<	line_ptr++;
198	<	if(line_ptr=='\0'){
199	<	fclose(f);
200	<	continue;
197	>	if(size != -1) t_read+=size;
198	>
199	>	ptr = psargs;
200	>	for(x=0; x<t_read; x++){
201	>	if (*ptr == '\0') *ptr = ' ';
202	>	ptr++;
203		}
204	+	/*  for safety sake */
205	+	psargs[t_read] = '\0';
206
207	<	if(*line_ptr=='S') process_stat.sleeping++;
128	<	if(*line_ptr=='R') process_stat.running++;
129	<	if(*line_ptr=='Z') process_stat.zombie++;
130	<	if(*line_ptr=='T') process_stat.stopped++;
131	<	if(*line_ptr=='D') process_stat.stopped++;
132	<	#endif
207	>	proc_state_ptr->proctitle = strdup(psargs);
208
134	–	fclose(f);
135	–	}
136	–	closedir(proc_dir);
209		#endif
210	+
211	+	proc_state_size++;
212	+
213	+	fclose(f);
214	+	}
215	+	closedir(proc_dir);
216	+	#endif
217	+
218		#ifdef ALLBSD
219	<	if((kvmd = get_kvm()) == NULL){
219	>	mib[0] = CTL_KERN;
220	>	mib[1] = KERN_PROC;
221	>	mib[2] = KERN_PROC_ALL;
222	>
223	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
224		return NULL;
225		}
226
227	<	kp_stats=kvm_getprocs(kvmd, KERN_PROC_ALL, 0, &procs);
227	>	procs = size / sizeof(struct kinfo_proc);
228
229	<	while(procs--){
229	>	kp_stats = malloc(size);
230	>	if(kp_stats == NULL) {
231	>	return NULL;
232	>	}
233	>
234	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
235	>	free(kp_stats);
236	>	return NULL;
237	>	}
238	>
239	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
240	>	kvmd = get_kvm2();
241	>	#endif
242	>
243	>	for (i = 0; i < procs; i++) {
244	>	/* replace with something more sensible */
245	>	proc_state = realloc(proc_state,
246	>	(1+proc_state_size)*sizeof(proc_state_t));
247	>	if(proc_state == NULL ) {
248	>	return NULL;
249	>	}
250	>	proc_state_ptr = proc_state+proc_state_size;
251	>
252		#ifdef FREEBSD5
253	<	if (kp_stats[procs].ki_stat == SSLEEP) process_stat.sleeping++;
254	<	if (kp_stats[procs].ki_stat == SWAIT) process_stat.sleeping++;
255	<	if (kp_stats[procs].ki_stat == SLOCK) process_stat.sleeping++;
256	<	if (kp_stats[procs].ki_stat == SRUN) process_stat.running++;
257	<	if (kp_stats[procs].ki_stat == SIDL) process_stat.running++;
152	<	if (kp_stats[procs].ki_stat == SZOMB) process_stat.zombie++;
153	<	if (kp_stats[procs].ki_stat == SSTOP) process_stat.stopped++;
154	<
253	>	proc_state_ptr->process_name =
254	>	strdup(kp_stats[i].ki_comm);
255	>	#elif defined(DFBSD)
256	>	proc_state_ptr->process_name =
257	>	strdup(kp_stats[i].kp_thread.td_comm);
258		#else
259	<	if (kp_stats[procs].kp_proc.p_stat == SSLEEP) process_stat.sleeping++;
260	<	if (kp_stats[procs].kp_proc.p_stat == SRUN) process_stat.running++;
158	<	if (kp_stats[procs].kp_proc.p_stat == SIDL) process_stat.running++;
159	<	if (kp_stats[procs].kp_proc.p_stat == SZOMB) process_stat.zombie++;
160	<	if (kp_stats[procs].kp_proc.p_stat == SSTOP) process_stat.stopped++;
259	>	proc_state_ptr->process_name =
260	>	strdup(kp_stats[i].kp_proc.p_comm);
261		#endif
262	<	}
262	>
263	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
264	>	size = sizeof(buflen);
265	>
266	>	#ifdef FREEBSD5
267	>	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
268	>	return NULL;
269	>	}
270	>	#else
271	>	mib[1] = KERN_ARGMAX;
272	>
273	>	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
274	>	return NULL;
275	>	}
276		#endif
277
278	<	#ifdef CYGWIN
279	<	return NULL;
278	>	proctitle = malloc(buflen);
279	>	if(proctitle == NULL) {
280	>	return NULL;
281	>	}
282	>
283	>	size = buflen;
284	>
285	>	#ifdef FREEBSD5
286	>	mib[2] = KERN_PROC_ARGS;
287	>	mib[3] = kp_stats[i].ki_pid;
288	>	#else
289	>	mib[1] = KERN_PROC_ARGS;
290	>	mib[2] = kp_stats[i].kp_proc.p_pid;
291	>	mib[3] = KERN_PROC_ARGV;
292		#endif
293
294	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
294	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
295	>	free(proctitle);
296	>	proc_state_ptr->proctitle = NULL;
297	>	}
298	>	else if(size > 0) {
299	>	proc_state_ptr->proctitle = malloc(size);
300	>	if(proc_state_ptr->proctitle == NULL) {
301	>	return NULL;
302	>	}
303	>	p = proctitle;
304	>	proc_state_ptr->proctitle[0] = NULL;
305	>	do {
306	>	strncat(proc_state_ptr->proctitle, p, strlen(p));
307	>	strncat(proc_state_ptr->proctitle, " ", 1);
308	>	p += strlen(p) + 1;
309	>	} while (p < proctitle + size);
310	>	free(proctitle);
311	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = NULL;
312	>	}
313	>	else {
314	>	free(proctitle);
315	>	proc_state_ptr->proctitle = NULL;
316	>	}
317	>	#else
318	>	if(kvmd != NULL) {
319	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
320	>	if(args != NULL) {
321	>	alloc = 1;
322	>	proctitle = malloc(alloc);
323	>	if(proctitle == NULL) {
324	>	return NULL;
325	>	}
326	>	while(*args != NULL) {
327	>	if(strlen(proctitle) + strlen(*args) >= alloc) {
328	>	alloc = (alloc + strlen(*args)) << 1;
329	>	proctitle = realloc(proctitle, alloc);
330	>	if(proctitle == NULL) {
331	>	return NULL;
332	>	}
333	>	}
334	>	strncat(proctitle, *args, strlen(*args));
335	>	strncat(proctitle, " ", 1);
336	>	args++;
337	>	}
338	>	/* remove trailing space */
339	>	proctitle[strlen(proctitle)-1] = NULL;
340	>	proc_state_ptr->proctitle = proctitle;
341	>	}
342	>	else {
343	>	proc_state_ptr->proctitle = NULL;
344	>	}
345	>	}
346	>	else {
347	>	proc_state_ptr->proctitle = NULL;
348	>	}
349	>	#endif
350	>
351	>	#ifdef FREEBSD5
352	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
353	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
354	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
355	>	#else
356	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
357	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
358	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
359	>	#endif
360	>
361	>	#ifdef FREEBSD5
362	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
363	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
364	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
365	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
366	>	#elif defined(DFBSD)
367	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
368	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
369	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
370	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
371	>	#else
372	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
373	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
374	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
375	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
376	>	#endif
377	>
378	>	#ifdef FREEBSD5
379	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
380	>	/* This is in pages */
381	>	proc_state_ptr->proc_resident =
382	>	kp_stats[i].ki_rssize * getpagesize();
383	>	/* This is in microseconds */
384	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
385	>	proc_state_ptr->cpu_percent =
386	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
387	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
388	>	#else
389	>	proc_state_ptr->proc_size =
390	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
391	>	/* This is in pages */
392	>	proc_state_ptr->proc_resident =
393	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
394	>	#if defined(NETBSD) || defined(OPENBSD)
395	>	proc_state_ptr->time_spent =
396	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
397	>	#elif defined(DFBSD)
398	>	proc_state_ptr->time_spent =
399	>	( kp_stats[i].kp_thread.td_uticks +
400	>	kp_stats[i].kp_thread.td_sticks +
401	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
402	>	#else
403	>	/* This is in microseconds */
404	>	proc_state_ptr->time_spent =
405	>	kp_stats[i].kp_proc.p_runtime / 1000000;
406	>	#endif
407	>	proc_state_ptr->cpu_percent =
408	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
409	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
410	>	#endif
411	>
412	>	#ifdef FREEBSD5
413	>	switch (kp_stats[i].ki_stat) {
414	>	#else
415	>	switch (kp_stats[i].kp_proc.p_stat) {
416	>	#endif
417	>	case SIDL:
418	>	case SRUN:
419	>	#ifdef SONPROC
420	>	case SONPROC: /* NetBSD */
421	>	#endif
422	>	proc_state_ptr->state = RUNNING;
423	>	break;
424	>	case SSLEEP:
425	>	#ifdef SWAIT
426	>	case SWAIT: /* FreeBSD 5 */
427	>	#endif
428	>	#ifdef SLOCK
429	>	case SLOCK: /* FreeBSD 5 */
430	>	#endif
431	>	proc_state_ptr->state = SLEEPING;
432	>	break;
433	>	case SSTOP:
434	>	proc_state_ptr->state = STOPPED;
435	>	break;
436	>	case SZOMB:
437	>	#ifdef SDEAD
438	>	case SDEAD: /* OpenBSD & NetBSD */
439	>	#endif
440	>	proc_state_ptr->state = ZOMBIE;
441	>	break;
442	>	default:
443	>	proc_state_ptr->state = UNKNOWN;
444	>	break;
445	>	}
446	>	proc_state_size++;
447	>	}
448	>
449	>	free(kp_stats);
450	>	#endif
451	>
452	>	*ps = proc_state;
453	>	return proc_state_size;
454	>	}
455	>
456	>	process_stat_t *get_process_stats() {
457	>	static process_stat_t process_stat;
458	>	proc_state_t *ps;
459	>	int ps_size, x;
460	>
461	>	process_stat.sleeping = 0;
462	>	process_stat.running = 0;
463	>	process_stat.zombie = 0;
464	>	process_stat.stopped = 0;
465	>	process_stat.total = 0;
466	>
467	>	ps_size = get_proc_snapshot(&ps);
468	>
469	>	if(ps_size == 0) {
470	>	return NULL;
471	>	}
472	>
473	>	for(x = 0; x < ps_size; x++) {
474	>	switch (ps->state) {
475	>	case RUNNING:
476	>	process_stat.running++;
477	>	break;
478	>	case SLEEPING:
479	>	process_stat.sleeping++;
480	>	break;
481	>	case STOPPED:
482	>	process_stat.stopped++;
483	>	break;
484	>	case ZOMBIE:
485	>	process_stat.zombie++;
486	>	break;
487	>	default:
488	>	/* currently no mapping for UNKNOWN in process_stat_t */
489	>	break;
490	>	}
491	>	ps++;
492	>	}
493	>
494	>	process_stat.total = ps_size;
495
496		return &process_stat;
497		}

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