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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 1.1 by pajs, Tue Feb 18 19:28:30 2003 UTC vs.
Revision 1.64 by pajs, Wed Apr 7 15:46:34 2004 UTC

#	Line 1 | Line 1
1	<	/*
2	<	* i-scream central monitoring system
3	<	* http://www.i-scream.org.uk
4	<	* Copyright (C) 2000-2002 i-scream
1	>	/*
2	>	* i-scream libstatgrab
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
25	–	#include <stdio.h>
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>
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 <sys/types.h>
34	–	#include <dirent.h>
35	–	#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	+	#endif
69	+	#include <unistd.h>
70	+	#ifdef NETBSD2
71	+	#include <sys/lwp.h>
72	+	#endif
73	+	#endif
74
75	<	process_stat_t *get_process_stats(){
75	>	static void proc_state_init(sg_process_stats *s) {
76	>	s->process_name = NULL;
77	>	s->proctitle = NULL;
78	>	}
79
80	<	static process_stat_t process_stat;
80	>	static void proc_state_destroy(sg_process_stats *s) {
81	>	free(s->process_name);
82	>	free(s->proctitle);
83	>	}
84
85	<	psinfo_t process_info;
86	<	DIR *proc_dir;
85	>	sg_process_stats *sg_get_process_stats(int *entries){
86	>	VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
87	>	proc_state_init, proc_state_destroy);
88	>	int proc_state_size = 0;
89	>	sg_process_stats *proc_state_ptr;
90	>	#ifdef ALLBSD
91	>	int mib[4];
92	>	size_t size;
93	>	struct kinfo_proc *kp_stats;
94	>	int procs, i;
95	>	char *proctitle;
96	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
97	>	kvm_t *kvmd;
98	>	char **args, **argsp;
99	>	int argslen = 0;
100	>	#else
101	>	long buflen;
102	>	char *p;
103	>	#endif
104	>	#ifdef NETBSD2
105	>	int lwps;
106	>	struct kinfo_lwp *kl_stats;
107	>	#endif
108	>	#endif
109	>	#if defined(SOLARIS) || defined(LINUX)
110	>	DIR *proc_dir;
111		struct dirent *dir_entry;
112		char filename[MAX_FILE_LENGTH];
113		FILE *f;
114	+	#ifdef SOLARIS
115	+	psinfo_t process_info;
116	+	#endif
117	+	#ifdef LINUX
118	+	char s;
119	+	/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
120	+	char ps_name[4096];
121	+	char *ptr;
122	+	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
123	+	unsigned long stime, utime, starttime;
124	+	int x;
125	+	int fn;
126	+	int len;
127	+	int rc;
128	+	time_t uptime;
129	+	#endif
130
131	<	process_stat.sleeping=0;
132	<	process_stat.running=0;
133	<	process_stat.zombie=0;
134	<	process_stat.stopped=0;
135	<	process_stat.running=0;
131	>	#ifdef LINUX
132	>	if ((f=fopen("/proc/uptime", "r")) == NULL) {
133	>	return NULL;
134	>	}
135	>	if((fscanf(f,"%lu %*d",&uptime)) != 1){
136	>	return NULL;
137	>	}
138	>	fclose(f);
139	>	#endif
140
141		if((proc_dir=opendir(PROC_LOCATION))==NULL){
142		return NULL;
#	Line 59 | Line 144 | process_stat_t *get_process_stats(){
144
145		while((dir_entry=readdir(proc_dir))!=NULL){
146		if(atoi(dir_entry->d_name) == 0) continue;
62	–	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
147
148	<	printf("Filename : %s\n", filename);
148	>	#ifdef SOLARIS
149	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
150	>	#endif
151	>	#ifdef LINUX
152	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
153	>	#endif
154		if((f=fopen(filename, "r"))==NULL){
155	<	/* Open failed.. Process since vanished, or the path was too long.
155	>	/* Open failed.. Process since vanished, or the path was too long.
156		* Ah well, move onwards to the next one */
157		continue;
158		}
159	<
159	>	#ifdef SOLARIS
160		fread(&process_info, sizeof(psinfo_t), 1, f);
161		fclose(f);
162	+	#endif
163
164	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
165	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
166	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
167	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
168	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
169	<	}
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	>
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;
173	>	proc_state_ptr->uid = process_info.pr_uid;
174	>	proc_state_ptr->euid = process_info.pr_euid;
175	>	proc_state_ptr->gid = process_info.pr_gid;
176	>	proc_state_ptr->egid = process_info.pr_egid;
177	>	proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
178	>	proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
179	>	proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
180	>	proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
181	>	proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20;
182	>	if (sg_update_string(&proc_state_ptr->process_name,
183	>	process_info.pr_fname) < 0) {
184	>	return NULL;
185	>	}
186	>	if (sg_update_string(&proc_state_ptr->proctitle,
187	>	process_info.pr_psargs) < 0) {
188	>	return NULL;
189	>	}
190	>
191	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
192	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
193	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
194	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
195	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
196	>	#endif
197	>	#ifdef LINUX
198	>	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));
199	>	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
200	>	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
201	>	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
202	>	if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
203	>	if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
204	>	if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
205	>	if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
206
207	+	/* pa_name[0] should = '(' */
208	+	ptr = strchr(&ps_name[1], ')');
209	+	if(ptr !=NULL) *ptr='\0';
210	+
211	+	if (sg_update_string(&proc_state_ptr->process_name,
212	+	&ps_name[1]) < 0) {
213	+	return NULL;
214	+	}
215	+
216	+	/* cpu */
217	+	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
218	+
219	+	fclose(f);
220	+
221	+	/* uid / gid */
222	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
223	+	if ((f=fopen(filename, "r")) == NULL) {
224	+	/* Open failed.. Process since vanished, or the path was too long.
225	+	* Ah well, move onwards to the next one */
226	+	continue;
227	+	}
228	+
229	+	if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
230	+	fclose(f);
231	+	continue;
232	+	}
233	+	sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
234	+
235	+	if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
236	+	fclose(f);
237	+	continue;
238	+	}
239	+	sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
240	+
241	+	fclose(f);
242	+
243	+	/* proctitle */
244	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
245	+
246	+	if((fn=open(filename, O_RDONLY)) == -1){
247	+	/* Open failed.. Process since vanished, or the path was too long.
248	+	* Ah well, move onwards to the next one */
249	+	continue;
250	+	}
251	+
252	+	#define READ_BLOCK_SIZE 128
253	+	len = 0;
254	+	do {
255	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
256	+	return NULL;
257	+	}
258	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
259	+	if (rc > 0) {
260	+	len += rc;
261	+	}
262	+	} while (rc == READ_BLOCK_SIZE);
263	+	close(fn);
264	+
265	+	if (rc == -1) {
266	+	/* Read failed; move on. */
267	+	continue;
268	+	}
269	+
270	+	/* Turn \0s into spaces within the command line. */
271	+	ptr = psargs;
272	+	for(x = 0; x < len; x++) {
273	+	if (*ptr == '\0') *ptr = ' ';
274	+	ptr++;
275	+	}
276	+
277	+	if (len == 0) {
278	+	/* We want psargs to be NULL. */
279	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
280	+	return NULL;
281	+	}
282	+	} else {
283	+	/* Not empty, so append a \0. */
284	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
285	+	return NULL;
286	+	}
287	+	psargs[len] = '\0';
288	+	}
289	+
290	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
291	+	return NULL;
292	+	}
293	+	#endif
294	+
295	+	proc_state_size++;
296	+	}
297		closedir(proc_dir);
298	+	#endif
299	+
300	+	#ifdef ALLBSD
301	+	mib[0] = CTL_KERN;
302	+	mib[1] = KERN_PROC;
303	+	mib[2] = KERN_PROC_ALL;
304	+
305	+	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
306	+	return NULL;
307	+	}
308	+
309	+	procs = size / sizeof(struct kinfo_proc);
310	+
311	+	kp_stats = sg_malloc(size);
312	+	if(kp_stats == NULL) {
313	+	return NULL;
314	+	}
315	+	memset(kp_stats, 0, size);
316	+
317	+	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
318	+	free(kp_stats);
319	+	return NULL;
320	+	}
321	+
322	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
323	+	kvmd = sg_get_kvm2();
324	+	#endif
325	+
326	+	for (i = 0; i < procs; i++) {
327	+	const char *name;
328	+
329	+	#ifdef FREEBSD5
330	+	if (kp_stats[i].ki_stat == 0) {
331	+	#else
332	+	if (kp_stats[i].kp_proc.p_stat == 0) {
333	+	#endif
334	+	/* FreeBSD 5 deliberately overallocates the array that
335	+	* the sysctl returns, so we'll get a few junk
336	+	* processes on the end that we have to ignore. (Search
337	+	* for "overestimate by 5 procs" in
338	+	* src/sys/kern/kern_proc.c for more details.) */
339	+	continue;
340	+	}
341	+
342	+	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
343	+	return NULL;
344	+	}
345	+	proc_state_ptr = proc_state+proc_state_size;
346	+
347	+	#ifdef FREEBSD5
348	+	name = kp_stats[i].ki_comm;
349	+	#elif defined(DFBSD)
350	+	name = kp_stats[i].kp_thread.td_comm;
351	+	#else
352	+	name = kp_stats[i].kp_proc.p_comm;
353	+	#endif
354	+	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
355	+	return NULL;
356	+	}
357	+
358	+	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
359	+	size = sizeof(buflen);
360	+
361	+	#ifdef FREEBSD5
362	+	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
363	+	return NULL;
364	+	}
365	+	#else
366	+	/* FIXME - this value can be too large on some of
367	+	the BSD's, which causes sysctl not to return
368	+	anything. Maybe we need something smaller? */
369	+	mib[1] = KERN_ARGMAX;
370	+
371	+	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
372	+	return NULL;
373	+	}
374	+	#endif
375	+
376	+	proctitle = sg_malloc(buflen);
377	+	if(proctitle == NULL) {
378	+	return NULL;
379	+	}
380	+
381	+	size = buflen;
382	+
383	+	#ifdef FREEBSD5
384	+	mib[2] = KERN_PROC_ARGS;
385	+	mib[3] = kp_stats[i].ki_pid;
386	+	#else
387	+	mib[1] = KERN_PROC_ARGS;
388	+	mib[2] = kp_stats[i].kp_proc.p_pid;
389	+	mib[3] = KERN_PROC_ARGV;
390	+	#endif
391	+
392	+	free(proc_state_ptr->proctitle);
393	+	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
394	+	free(proctitle);
395	+	proc_state_ptr->proctitle = NULL;
396	+	}
397	+	else if(size > 0) {
398	+	proc_state_ptr->proctitle = sg_malloc(size+1);
399	+	if(proc_state_ptr->proctitle == NULL) {
400	+	return NULL;
401	+	}
402	+	p = proctitle;
403	+	proc_state_ptr->proctitle[0] = '\0';
404	+	do {
405	+	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
406	+	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
407	+	p += strlen(p) + 1;
408	+	} while (p < proctitle + size);
409	+	free(proctitle);
410	+	/* remove trailing space */
411	+	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
412	+	}
413	+	else {
414	+	free(proctitle);
415	+	proc_state_ptr->proctitle = NULL;
416	+	}
417	+	#else
418	+	free(proc_state_ptr->proctitle);
419	+	if(kvmd != NULL) {
420	+	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
421	+	if(args != NULL) {
422	+	argsp = args;
423	+	while(*argsp != NULL) {
424	+	argslen += strlen(*argsp) + 1;
425	+	argsp++;
426	+	}
427	+	proctitle = sg_malloc(argslen + 1);
428	+	proctitle[0] = '\0';
429	+	if(proctitle == NULL) {
430	+	return NULL;
431	+	}
432	+	while(*args != NULL) {
433	+	sg_strlcat(proctitle, *args, argslen + 1);
434	+	sg_strlcat(proctitle, " ", argslen + 1);
435	+	args++;
436	+	}
437	+	/* remove trailing space */
438	+	proctitle[strlen(proctitle)-1] = '\0';
439	+	proc_state_ptr->proctitle = proctitle;
440	+	}
441	+	else {
442	+	proc_state_ptr->proctitle = NULL;
443	+	}
444	+	}
445	+	else {
446	+	proc_state_ptr->proctitle = NULL;
447	+	}
448	+	#endif
449	+
450	+	#ifdef FREEBSD5
451	+	proc_state_ptr->pid = kp_stats[i].ki_pid;
452	+	proc_state_ptr->parent = kp_stats[i].ki_ppid;
453	+	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
454	+	#else
455	+	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
456	+	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
457	+	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
458	+	#endif
459	+
460	+	#ifdef FREEBSD5
461	+	proc_state_ptr->uid = kp_stats[i].ki_ruid;
462	+	proc_state_ptr->euid = kp_stats[i].ki_uid;
463	+	proc_state_ptr->gid = kp_stats[i].ki_rgid;
464	+	proc_state_ptr->egid = kp_stats[i].ki_svgid;
465	+	#elif defined(DFBSD)
466	+	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
467	+	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
468	+	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
469	+	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
470	+	#else
471	+	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
472	+	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
473	+	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
474	+	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
475	+	#endif
476	+
477	+	#ifdef FREEBSD5
478	+	proc_state_ptr->proc_size = kp_stats[i].ki_size;
479	+	/* This is in pages */
480	+	proc_state_ptr->proc_resident =
481	+	kp_stats[i].ki_rssize * getpagesize();
482	+	/* This is in microseconds */
483	+	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
484	+	proc_state_ptr->cpu_percent =
485	+	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
486	+	proc_state_ptr->nice = kp_stats[i].ki_nice;
487	+	#else
488	+	proc_state_ptr->proc_size =
489	+	kp_stats[i].kp_eproc.e_vm.vm_map.size;
490	+	/* This is in pages */
491	+	proc_state_ptr->proc_resident =
492	+	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
493	+	#if defined(NETBSD) || defined(OPENBSD)
494	+	proc_state_ptr->time_spent =
495	+	kp_stats[i].kp_proc.p_rtime.tv_sec;
496	+	#elif defined(DFBSD)
497	+	proc_state_ptr->time_spent =
498	+	( kp_stats[i].kp_thread.td_uticks +
499	+	kp_stats[i].kp_thread.td_sticks +
500	+	kp_stats[i].kp_thread.td_iticks ) / 1000000;
501	+	#else
502	+	/* This is in microseconds */
503	+	proc_state_ptr->time_spent =
504	+	kp_stats[i].kp_proc.p_runtime / 1000000;
505	+	#endif
506	+	proc_state_ptr->cpu_percent =
507	+	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
508	+	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
509	+	#endif
510	+
511	+	#ifdef NETBSD2
512	+	{
513	+	size_t size;
514	+	int mib[5];
515	+
516	+	mib[0] = CTL_KERN;
517	+	mib[1] = KERN_LWP;
518	+	mib[2] = kp_stats[i].kp_proc.p_pid;
519	+	mib[3] = sizeof(struct kinfo_lwp);
520	+	mib[4] = 0;
521	+
522	+	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
523	+	return NULL;
524	+	}
525	+
526	+	lwps = size / sizeof(struct kinfo_lwp);
527	+	mib[4] = lwps;
528	+
529	+	kl_stats = sg_malloc(size);
530	+	if(kl_stats == NULL) {
531	+	return NULL;
532	+	}
533	+
534	+	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
535	+	return NULL;
536	+	}
537	+	}
538	+
539	+	switch(kp_stats[i].kp_proc.p_stat) {
540	+	case SIDL:
541	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
542	+	break;
543	+	case SACTIVE:
544	+	{
545	+	int i;
546	+
547	+	for(i = 0; i < lwps; i++) {
548	+	switch(kl_stats[i].l_stat) {
549	+	case LSONPROC:
550	+	case LSRUN:
551	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
552	+	goto end;
553	+	case LSSLEEP:
554	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
555	+	goto end;
556	+	case LSSTOP:
557	+	case LSSUSPENDED:
558	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
559	+	goto end;
560	+	}
561	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
562	+	}
563	+	end: ;
564	+	}
565	+	break;
566	+	case SSTOP:
567	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
568	+	break;
569	+	case SZOMB:
570	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
571	+	break;
572	+	default:
573	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
574	+	break;
575	+	}
576	+	#else
577	+	#ifdef FREEBSD5
578	+	switch (kp_stats[i].ki_stat) {
579	+	#else
580	+	switch (kp_stats[i].kp_proc.p_stat) {
581	+	#endif
582	+	case SIDL:
583	+	case SRUN:
584	+	#ifdef SONPROC
585	+	case SONPROC: /* NetBSD */
586	+	#endif
587	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
588	+	break;
589	+	case SSLEEP:
590	+	#ifdef SWAIT
591	+	case SWAIT: /* FreeBSD 5 */
592	+	#endif
593	+	#ifdef SLOCK
594	+	case SLOCK: /* FreeBSD 5 */
595	+	#endif
596	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
597	+	break;
598	+	case SSTOP:
599	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
600	+	break;
601	+	case SZOMB:
602	+	#ifdef SDEAD
603	+	case SDEAD: /* OpenBSD & NetBSD */
604	+	#endif
605	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
606	+	break;
607	+	default:
608	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
609	+	break;
610	+	}
611	+	#endif
612	+	proc_state_size++;
613	+	}
614	+
615	+	free(kp_stats);
616	+	#endif
617	+
618	+	#ifdef CYGWIN
619	+	return NULL;
620	+	#endif
621	+
622	+	*entries = proc_state_size;
623	+	return proc_state;
624	+	}
625	+
626	+	sg_process_count *sg_get_process_count() {
627	+	static sg_process_count process_stat;
628	+	sg_process_stats *ps;
629	+	int ps_size, x;
630	+
631	+	process_stat.sleeping = 0;
632	+	process_stat.running = 0;
633	+	process_stat.zombie = 0;
634	+	process_stat.stopped = 0;
635	+	process_stat.total = 0;
636	+
637	+	ps = sg_get_process_stats(&ps_size);
638	+	if (ps == NULL) {
639	+	return NULL;
640	+	}
641	+
642	+	for(x = 0; x < ps_size; x++) {
643	+	switch (ps->state) {
644	+	case SG_PROCESS_STATE_RUNNING:
645	+	process_stat.running++;
646	+	break;
647	+	case SG_PROCESS_STATE_SLEEPING:
648	+	process_stat.sleeping++;
649	+	break;
650	+	case SG_PROCESS_STATE_STOPPED:
651	+	process_stat.stopped++;
652	+	break;
653	+	case SG_PROCESS_STATE_ZOMBIE:
654	+	process_stat.zombie++;
655	+	break;
656	+	default:
657	+	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
658	+	* sg_process_count */
659	+	break;
660	+	}
661	+	ps++;
662	+	}
663	+
664	+	process_stat.total = ps_size;
665
666		return &process_stat;
667		}

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