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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 1.73 by tdb, Mon Jun 21 14:48:48 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
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 <errno.h>
55	+	#include <stdlib.h>
56	+	#include <sys/param.h>
57	+	#include <sys/sysctl.h>
58	+	#if defined(FREEBSD) || defined(DFBSD)
59	+	#include <sys/user.h>
60	+	#else
61	+	#include <sys/proc.h>
62	+	#endif
63	+	#include <string.h>
64	+	#include <paths.h>
65	+	#include <fcntl.h>
66	+	#include <limits.h>
67	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
68	+	#include <kvm.h>
69	+	#endif
70	+	#include <unistd.h>
71	+	#ifdef NETBSD2
72	+	#include <sys/lwp.h>
73	+	#endif
74	+	#endif
75
76	<	process_stat_t *get_process_stats(){
76	>	static void proc_state_init(sg_process_stats *s) {
77	>	s->process_name = NULL;
78	>	s->proctitle = NULL;
79	>	}
80
81	<	static process_stat_t process_stat;
81	>	static void proc_state_destroy(sg_process_stats *s) {
82	>	free(s->process_name);
83	>	free(s->proctitle);
84	>	}
85
86	<	psinfo_t process_info;
87	<	DIR *proc_dir;
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	>	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, *proctitletmp;
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	<	process_stat.sleeping=0;
133	<	process_stat.running=0;
134	<	process_stat.zombie=0;
135	<	process_stat.stopped=0;
136	<	process_stat.running=0;
132	>	#ifdef LINUX
133	>	if ((f=fopen("/proc/uptime", "r")) == NULL) {
134	>	sg_set_error(SG_ERROR_OPEN, "/proc/uptime");
135	>	return NULL;
136	>	}
137	>	if((fscanf(f,"%lu %*d",&uptime)) != 1){
138	>	sg_set_error(SG_ERROR_PARSE, NULL);
139	>	return NULL;
140	>	}
141	>	fclose(f);
142	>	#endif
143
144		if((proc_dir=opendir(PROC_LOCATION))==NULL){
145	+	sg_set_error(SG_ERROR_OPENDIR, PROC_LOCATION);
146		return NULL;
147		}
148
149		while((dir_entry=readdir(proc_dir))!=NULL){
150		if(atoi(dir_entry->d_name) == 0) continue;
61	–	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
151
152	+	#ifdef SOLARIS
153	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
154	+	#endif
155	+	#ifdef LINUX
156	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
157	+	#endif
158		if((f=fopen(filename, "r"))==NULL){
159	<	/* Open failed.. Process since vanished, or the path was too long.
159	>	/* Open failed.. Process since vanished, or the path was too long.
160		* Ah well, move onwards to the next one */
161		continue;
162		}
163	<
163	>	#ifdef SOLARIS
164		fread(&process_info, sizeof(psinfo_t), 1, f);
165		fclose(f);
166	+	#endif
167
168	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
169	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
170	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
171	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
172	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
173	<	}
168	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
169	>	return NULL;
170	>	}
171	>	proc_state_ptr = proc_state+proc_state_size;
172	>
173	>	#ifdef SOLARIS
174	>	proc_state_ptr->pid = process_info.pr_pid;
175	>	proc_state_ptr->parent = process_info.pr_ppid;
176	>	proc_state_ptr->pgid = process_info.pr_pgid;
177	>	proc_state_ptr->uid = process_info.pr_uid;
178	>	proc_state_ptr->euid = process_info.pr_euid;
179	>	proc_state_ptr->gid = process_info.pr_gid;
180	>	proc_state_ptr->egid = process_info.pr_egid;
181	>	proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
182	>	proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
183	>	proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
184	>	proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
185	>	proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20;
186	>	if (sg_update_string(&proc_state_ptr->process_name,
187	>	process_info.pr_fname) < 0) {
188	>	return NULL;
189	>	}
190	>	if (sg_update_string(&proc_state_ptr->proctitle,
191	>	process_info.pr_psargs) < 0) {
192	>	return NULL;
193	>	}
194	>
195	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
196	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
197	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
198	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
199	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
200	>	#endif
201	>	#ifdef LINUX
202	>	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));
203	>	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
204	>	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
205	>	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
206	>	if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
207	>	if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
208	>	if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
209	>	if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
210
211	+	/* pa_name[0] should = '(' */
212	+	ptr = strchr(&ps_name[1], ')');
213	+	if(ptr !=NULL) *ptr='\0';
214	+
215	+	if (sg_update_string(&proc_state_ptr->process_name,
216	+	&ps_name[1]) < 0) {
217	+	return NULL;
218	+	}
219	+
220	+	/* cpu */
221	+	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
222	+
223	+	fclose(f);
224	+
225	+	/* uid / gid */
226	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
227	+	if ((f=fopen(filename, "r")) == NULL) {
228	+	/* Open failed.. Process since vanished, or the path was too long.
229	+	* Ah well, move onwards to the next one */
230	+	continue;
231	+	}
232	+
233	+	if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
234	+	fclose(f);
235	+	continue;
236	+	}
237	+	sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
238	+
239	+	if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
240	+	fclose(f);
241	+	continue;
242	+	}
243	+	sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
244	+
245	+	fclose(f);
246	+
247	+	/* proctitle */
248	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
249	+
250	+	if((fn=open(filename, O_RDONLY)) == -1){
251	+	/* Open failed.. Process since vanished, or the path was too long.
252	+	* Ah well, move onwards to the next one */
253	+	continue;
254	+	}
255	+
256	+	#define READ_BLOCK_SIZE 128
257	+	len = 0;
258	+	do {
259	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
260	+	return NULL;
261	+	}
262	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
263	+	if (rc > 0) {
264	+	len += rc;
265	+	}
266	+	} while (rc == READ_BLOCK_SIZE);
267	+	close(fn);
268	+
269	+	if (rc == -1) {
270	+	/* Read failed; move on. */
271	+	continue;
272	+	}
273	+
274	+	/* Turn \0s into spaces within the command line. */
275	+	ptr = psargs;
276	+	for(x = 0; x < len; x++) {
277	+	if (*ptr == '\0') *ptr = ' ';
278	+	ptr++;
279	+	}
280	+
281	+	if (len == 0) {
282	+	/* We want psargs to be NULL. */
283	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
284	+	return NULL;
285	+	}
286	+	} else {
287	+	/* Not empty, so append a \0. */
288	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
289	+	return NULL;
290	+	}
291	+	psargs[len] = '\0';
292	+	}
293	+
294	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
295	+	return NULL;
296	+	}
297	+	#endif
298	+
299	+	proc_state_size++;
300	+	}
301		closedir(proc_dir);
302	+	#endif
303
304	+	#ifdef ALLBSD
305	+	mib[0] = CTL_KERN;
306	+	mib[1] = KERN_PROC;
307	+	mib[2] = KERN_PROC_ALL;
308
309	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
309	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
310	>	sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL");
311	>	return NULL;
312	>	}
313	>
314	>	procs = size / sizeof(struct kinfo_proc);
315	>
316	>	kp_stats = sg_malloc(size);
317	>	if(kp_stats == NULL) {
318	>	return NULL;
319	>	}
320	>	memset(kp_stats, 0, size);
321	>
322	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
323	>	sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL");
324	>	free(kp_stats);
325	>	return NULL;
326	>	}
327	>
328	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
329	>	kvmd = sg_get_kvm2();
330	>	#endif
331	>
332	>	for (i = 0; i < procs; i++) {
333	>	const char *name;
334	>
335	>	#ifdef FREEBSD5
336	>	if (kp_stats[i].ki_stat == 0) {
337	>	#else
338	>	if (kp_stats[i].kp_proc.p_stat == 0) {
339	>	#endif
340	>	/* FreeBSD 5 deliberately overallocates the array that
341	>	* the sysctl returns, so we'll get a few junk
342	>	* processes on the end that we have to ignore. (Search
343	>	* for "overestimate by 5 procs" in
344	>	* src/sys/kern/kern_proc.c for more details.) */
345	>	continue;
346	>	}
347	>
348	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
349	>	return NULL;
350	>	}
351	>	proc_state_ptr = proc_state+proc_state_size;
352	>
353	>	#ifdef FREEBSD5
354	>	name = kp_stats[i].ki_comm;
355	>	#elif defined(DFBSD)
356	>	name = kp_stats[i].kp_thread.td_comm;
357	>	#else
358	>	name = kp_stats[i].kp_proc.p_comm;
359	>	#endif
360	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
361	>	return NULL;
362	>	}
363	>
364	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
365	>
366	>	#ifdef FREEBSD5
367	>	mib[2] = KERN_PROC_ARGS;
368	>	mib[3] = kp_stats[i].ki_pid;
369	>	#else
370	>	mib[1] = KERN_PROC_ARGS;
371	>	mib[2] = kp_stats[i].kp_proc.p_pid;
372	>	mib[3] = KERN_PROC_ARGV;
373	>	#endif
374	>
375	>	free(proc_state_ptr->proctitle);
376	>	proc_state_ptr->proctitle = NULL;
377	>
378	>	/* Starting size - we'll double this straight away */
379	>	#define PROCTITLE_START_SIZE 64
380	>	buflen = PROCTITLE_START_SIZE;
381	>	size = buflen;
382	>	proctitle = NULL;
383	>
384	>	do {
385	>	if(size >= buflen) {
386	>	buflen *= 2;
387	>	size = buflen;
388	>	proctitletmp = sg_realloc(proctitle, buflen);
389	>	if(proctitletmp == NULL) {
390	>	free(proctitle);
391	>	proctitle = NULL;
392	>	proc_state_ptr->proctitle = NULL;
393	>	size = 0;
394	>	break;
395	>	}
396	>	proctitle = proctitletmp;
397	>	bzero(proctitle, buflen);
398	>	}
399	>
400	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
401	>	free(proctitle);
402	>	proctitle = NULL;
403	>	proc_state_ptr->proctitle = NULL;
404	>	size = 0;
405	>	break;
406	>	}
407	>	} while(size >= buflen);
408	>
409	>	if(size > 0) {
410	>	proc_state_ptr->proctitle = sg_malloc(size+1);
411	>	if(proc_state_ptr->proctitle == NULL) {
412	>	return NULL;
413	>	}
414	>	p = proctitle;
415	>	#ifdef OPENBSD
416	>	/* On OpenBSD, this value has the argv pointers (which
417	>	* are terminated by a NULL) at the front, so we have
418	>	* to skip over them to get to the strings. */
419	>	while (*(char ***)p != NULL) {
420	>	p += sizeof(char **);
421	>	}
422	>	p += sizeof(char **);
423	>	#endif
424	>	proc_state_ptr->proctitle[0] = '\0';
425	>	do {
426	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
427	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
428	>	p += strlen(p) + 1;
429	>	} while (p < proctitle + size);
430	>	free(proctitle);
431	>	proctitle = NULL;
432	>	/* remove trailing space */
433	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
434	>	}
435	>	else {
436	>	if(proctitle != NULL) {
437	>	free(proctitle);
438	>	proctitle = NULL;
439	>	}
440	>	proc_state_ptr->proctitle = NULL;
441	>	}
442	>	#else
443	>	free(proc_state_ptr->proctitle);
444	>	proc_state_ptr->proctitle = NULL;
445	>	if(kvmd != NULL) {
446	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
447	>	if(args != NULL) {
448	>	argsp = args;
449	>	while(*argsp != NULL) {
450	>	argslen += strlen(*argsp) + 1;
451	>	argsp++;
452	>	}
453	>	proctitle = sg_malloc(argslen + 1);
454	>	proctitle[0] = '\0';
455	>	if(proctitle == NULL) {
456	>	return NULL;
457	>	}
458	>	while(*args != NULL) {
459	>	sg_strlcat(proctitle, *args, argslen + 1);
460	>	sg_strlcat(proctitle, " ", argslen + 1);
461	>	args++;
462	>	}
463	>	/* remove trailing space */
464	>	proctitle[strlen(proctitle)-1] = '\0';
465	>	proc_state_ptr->proctitle = proctitle;
466	>	}
467	>	else {
468	>	proc_state_ptr->proctitle = NULL;
469	>	}
470	>	}
471	>	else {
472	>	proc_state_ptr->proctitle = NULL;
473	>	}
474	>	#endif
475	>
476	>	#ifdef FREEBSD5
477	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
478	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
479	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
480	>	#else
481	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
482	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
483	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
484	>	#endif
485	>
486	>	#ifdef FREEBSD5
487	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
488	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
489	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
490	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
491	>	#elif defined(DFBSD)
492	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
493	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
494	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
495	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
496	>	#else
497	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
498	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
499	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
500	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
501	>	#endif
502	>
503	>	#ifdef FREEBSD5
504	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
505	>	/* This is in pages */
506	>	proc_state_ptr->proc_resident =
507	>	kp_stats[i].ki_rssize * getpagesize();
508	>	/* This is in microseconds */
509	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
510	>	proc_state_ptr->cpu_percent =
511	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
512	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
513	>	#else
514	>	proc_state_ptr->proc_size =
515	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
516	>	/* This is in pages */
517	>	proc_state_ptr->proc_resident =
518	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
519	>	#if defined(NETBSD) || defined(OPENBSD)
520	>	proc_state_ptr->time_spent =
521	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
522	>	#elif defined(DFBSD)
523	>	proc_state_ptr->time_spent =
524	>	( kp_stats[i].kp_thread.td_uticks +
525	>	kp_stats[i].kp_thread.td_sticks +
526	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
527	>	#else
528	>	/* This is in microseconds */
529	>	proc_state_ptr->time_spent =
530	>	kp_stats[i].kp_proc.p_runtime / 1000000;
531	>	#endif
532	>	proc_state_ptr->cpu_percent =
533	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
534	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
535	>	#endif
536	>
537	>	#ifdef NETBSD2
538	>	{
539	>	size_t size;
540	>	int mib[5];
541	>
542	>	mib[0] = CTL_KERN;
543	>	mib[1] = KERN_LWP;
544	>	mib[2] = kp_stats[i].kp_proc.p_pid;
545	>	mib[3] = sizeof(struct kinfo_lwp);
546	>	mib[4] = 0;
547	>
548	>	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
549	>	sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
550	>	return NULL;
551	>	}
552	>
553	>	lwps = size / sizeof(struct kinfo_lwp);
554	>	mib[4] = lwps;
555	>
556	>	kl_stats = sg_malloc(size);
557	>	if(kl_stats == NULL) {
558	>	return NULL;
559	>	}
560	>
561	>	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
562	>	sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
563	>	return NULL;
564	>	}
565	>	}
566	>
567	>	switch(kp_stats[i].kp_proc.p_stat) {
568	>	case SIDL:
569	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
570	>	break;
571	>	case SACTIVE:
572	>	{
573	>	int i;
574	>
575	>	for(i = 0; i < lwps; i++) {
576	>	switch(kl_stats[i].l_stat) {
577	>	case LSONPROC:
578	>	case LSRUN:
579	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
580	>	goto end;
581	>	case LSSLEEP:
582	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
583	>	goto end;
584	>	case LSSTOP:
585	>	case LSSUSPENDED:
586	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
587	>	goto end;
588	>	}
589	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
590	>	}
591	>	end: ;
592	>	}
593	>	break;
594	>	case SSTOP:
595	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
596	>	break;
597	>	case SZOMB:
598	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
599	>	break;
600	>	default:
601	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
602	>	break;
603	>	}
604	>
605	>	free(kl_stats);
606	>	#else
607	>	#ifdef FREEBSD5
608	>	switch (kp_stats[i].ki_stat) {
609	>	#else
610	>	switch (kp_stats[i].kp_proc.p_stat) {
611	>	#endif
612	>	case SIDL:
613	>	case SRUN:
614	>	#ifdef SONPROC
615	>	case SONPROC: /* NetBSD */
616	>	#endif
617	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
618	>	break;
619	>	case SSLEEP:
620	>	#ifdef SWAIT
621	>	case SWAIT: /* FreeBSD 5 */
622	>	#endif
623	>	#ifdef SLOCK
624	>	case SLOCK: /* FreeBSD 5 */
625	>	#endif
626	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
627	>	break;
628	>	case SSTOP:
629	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
630	>	break;
631	>	case SZOMB:
632	>	#ifdef SDEAD
633	>	case SDEAD: /* OpenBSD & NetBSD */
634	>	#endif
635	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
636	>	break;
637	>	default:
638	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
639	>	break;
640	>	}
641	>	#endif
642	>	proc_state_size++;
643	>	}
644	>
645	>	free(kp_stats);
646	>	#endif
647	>
648	>	#ifdef CYGWIN
649	>	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
650	>	return NULL;
651	>	#endif
652	>
653	>	*entries = proc_state_size;
654	>	return proc_state;
655	>	}
656	>
657	>	sg_process_count *sg_get_process_count() {
658	>	static sg_process_count process_stat;
659	>	sg_process_stats *ps;
660	>	int ps_size, x;
661	>
662	>	process_stat.sleeping = 0;
663	>	process_stat.running = 0;
664	>	process_stat.zombie = 0;
665	>	process_stat.stopped = 0;
666	>	process_stat.total = 0;
667	>
668	>	ps = sg_get_process_stats(&ps_size);
669	>	if (ps == NULL) {
670	>	return NULL;
671	>	}
672	>
673	>	for(x = 0; x < ps_size; x++) {
674	>	switch (ps->state) {
675	>	case SG_PROCESS_STATE_RUNNING:
676	>	process_stat.running++;
677	>	break;
678	>	case SG_PROCESS_STATE_SLEEPING:
679	>	process_stat.sleeping++;
680	>	break;
681	>	case SG_PROCESS_STATE_STOPPED:
682	>	process_stat.stopped++;
683	>	break;
684	>	case SG_PROCESS_STATE_ZOMBIE:
685	>	process_stat.zombie++;
686	>	break;
687	>	default:
688	>	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
689	>	* sg_process_count */
690	>	break;
691	>	}
692	>	ps++;
693	>	}
694	>
695	>	process_stat.total = ps_size;
696	>
697		return &process_stat;
698		}
699	+
700	+	int sg_process_compare_name(const void *va, const void *vb) {
701	+	const sg_process_stats *a = (sg_process_stats *)va;
702	+	const sg_process_stats *b = (sg_process_stats *)vb;
703	+
704	+	return strcmp(a->process_name, b->process_name);
705	+	}
706	+
707	+	int sg_process_compare_pid(const void *va, const void *vb) {
708	+	const sg_process_stats *a = (sg_process_stats *)va;
709	+	const sg_process_stats *b = (sg_process_stats *)vb;
710	+
711	+	if (a->pid < b->pid) {
712	+	return -1;
713	+	} else if (a->pid == b->pid) {
714	+	return 0;
715	+	} else {
716	+	return 1;
717	+	}
718	+	}
719	+
720	+	int sg_process_compare_uid(const void *va, const void *vb) {
721	+	const sg_process_stats *a = (sg_process_stats *)va;
722	+	const sg_process_stats *b = (sg_process_stats *)vb;
723	+
724	+	if (a->uid < b->uid) {
725	+	return -1;
726	+	} else if (a->uid == b->uid) {
727	+	return 0;
728	+	} else {
729	+	return 1;
730	+	}
731	+	}
732	+
733	+	int sg_process_compare_gid(const void *va, const void *vb) {
734	+	const sg_process_stats *a = (sg_process_stats *)va;
735	+	const sg_process_stats *b = (sg_process_stats *)vb;
736	+
737	+	if (a->gid < b->gid) {
738	+	return -1;
739	+	} else if (a->gid == b->gid) {
740	+	return 0;
741	+	} else {
742	+	return 1;
743	+	}
744	+	}
745	+
746	+	int sg_process_compare_size(const void *va, const void *vb) {
747	+	const sg_process_stats *a = (sg_process_stats *)va;
748	+	const sg_process_stats *b = (sg_process_stats *)vb;
749	+
750	+	if (a->proc_size < b->proc_size) {
751	+	return -1;
752	+	} else if (a->proc_size == b->proc_size) {
753	+	return 0;
754	+	} else {
755	+	return 1;
756	+	}
757	+	}
758	+
759	+	int sg_process_compare_res(const void *va, const void *vb) {
760	+	const sg_process_stats *a = (sg_process_stats *)va;
761	+	const sg_process_stats *b = (sg_process_stats *)vb;
762	+
763	+	if (a->proc_resident < b->proc_resident) {
764	+	return -1;
765	+	} else if (a->proc_resident == b->proc_resident) {
766	+	return 0;
767	+	} else {
768	+	return 1;
769	+	}
770	+	}
771	+
772	+	int sg_process_compare_cpu(const void *va, const void *vb) {
773	+	const sg_process_stats *a = (sg_process_stats *)va;
774	+	const sg_process_stats *b = (sg_process_stats *)vb;
775	+
776	+	if (a->cpu_percent < b->cpu_percent) {
777	+	return -1;
778	+	} else if (a->cpu_percent == b->cpu_percent) {
779	+	return 0;
780	+	} else {
781	+	return 1;
782	+	}
783	+	}
784	+
785	+	int sg_process_compare_time(const void *va, const void *vb) {
786	+	const sg_process_stats *a = (sg_process_stats *)va;
787	+	const sg_process_stats *b = (sg_process_stats *)vb;
788	+
789	+	if (a->time_spent < b->time_spent) {
790	+	return -1;
791	+	} else if (a->time_spent == b->time_spent) {
792	+	return 0;
793	+	} else {
794	+	return 1;
795	+	}
796	+	}
797	+

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