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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 1.7 by pajs, Wed Jun 4 16:03:34 2003 UTC vs.
Revision 1.74 by ats, Sun Jul 18 21:30:11 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
#	Line 23 | 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 38 | Line 43
43		#define MAX_FILE_LENGTH PATH_MAX
44		#endif
45		#ifdef LINUX
46	<	#include "tools.h"
47	<	#include <linux/limits.h>
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 FREEBSD
54	<	#include <kvm.h>
55	<	#include <fcntl.h>
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	+	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;
111	>	DIR *proc_dir;
112		struct dirent *dir_entry;
113		char filename[MAX_FILE_LENGTH];
114		FILE *f;
63	–	#endif
64	–	#ifdef LINUX
65	–	char *line_ptr;
66	–	#endif
115		#ifdef SOLARIS
116		psinfo_t process_info;
117		#endif
118	<	#ifdef FREEBSD
119	<	struct kinfo_proc *kp_stats;
120	<	kvm_t *kvmd = NULL;
121	<	int procs;
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.total=0;
132	>	#ifdef LINUX
133	>	if ((f=fopen("/proc/uptime", "r")) == NULL) {
134	>	sg_set_error_with_errno(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
82	–	#if defined(SOLARIS) || defined(LINUX)
144		if((proc_dir=opendir(PROC_LOCATION))==NULL){
145	+	sg_set_error_with_errno(SG_ERROR_OPENDIR, PROC_LOCATION);
146		return NULL;
147		}
148
#	Line 91 | Line 153 | process_stat_t *get_process_stats(){
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/status", dir_entry->d_name);
156	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
157		#endif
96	–
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		}
102	–
163		#ifdef SOLARIS
164		fread(&process_info, sizeof(psinfo_t), 1, f);
165	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
106	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
107	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
108	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
109	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
165	>	fclose(f);
166		#endif
167	+
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	<	if((line_ptr=f_read_line(f, "State:"))==NULL){
203	<	fclose(f);
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	<	if((line_ptr=strchr(line_ptr, '\t'))==NULL){
232	>
233	>	if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
234		fclose(f);
235		continue;
236		}
237	<	line_ptr++;
238	<	if(line_ptr=='\0'){
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
126	–	if(*line_ptr=='S') process_stat.sleeping++;
127	–	if(*line_ptr=='R') process_stat.running++;
128	–	if(*line_ptr=='Z') process_stat.zombie++;
129	–	if(*line_ptr=='T') process_stat.stopped++;
130	–	if(*line_ptr=='D') process_stat.stopped++;
131	–	#endif
132	–
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	<	#ifdef FREEBSD
304	<	if((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL)) == NULL){
303	>
304	>	#ifdef ALLBSD
305	>	mib[0] = CTL_KERN;
306	>	mib[1] = KERN_PROC;
307	>	mib[2] = KERN_PROC_ALL;
308	>
309	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
310	>	sg_set_error_with_errno(SG_ERROR_SYSCTL,
311	>	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
312		return NULL;
313		}
314
315	<	kp_stats=kvm_getprocs(kvmd, KERN_PROC_ALL, 0, &procs);
315	>	procs = size / sizeof(struct kinfo_proc);
316
317	<	while(procs--){
318	<	if (kp_stats[procs].kp_proc.p_stat == SSLEEP) process_stat.sleeping++;
319	<	if (kp_stats[procs].kp_proc.p_stat == SRUN) process_stat.running++;
147	<	if (kp_stats[procs].kp_proc.p_stat == SIDL) process_stat.running++;
148	<	if (kp_stats[procs].kp_proc.p_stat == SZOMB) process_stat.zombie++;
149	<	if (kp_stats[procs].kp_proc.p_stat == SSTOP) process_stat.stopped++;
317	>	kp_stats = sg_malloc(size);
318	>	if(kp_stats == NULL) {
319	>	return NULL;
320		}
321	+	memset(kp_stats, 0, size);
322
323	<	kvm_close(kvmd);
323	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
324	>	sg_set_error_with_errno(SG_ERROR_SYSCTL,
325	>	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
326	>	free(kp_stats);
327	>	return NULL;
328	>	}
329	>
330	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
331	>	kvmd = sg_get_kvm2();
332		#endif
333
334	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
334	>	for (i = 0; i < procs; i++) {
335	>	const char *name;
336	>
337	>	#ifdef FREEBSD5
338	>	if (kp_stats[i].ki_stat == 0) {
339	>	#else
340	>	if (kp_stats[i].kp_proc.p_stat == 0) {
341	>	#endif
342	>	/* FreeBSD 5 deliberately overallocates the array that
343	>	* the sysctl returns, so we'll get a few junk
344	>	* processes on the end that we have to ignore. (Search
345	>	* for "overestimate by 5 procs" in
346	>	* src/sys/kern/kern_proc.c for more details.) */
347	>	continue;
348	>	}
349	>
350	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
351	>	return NULL;
352	>	}
353	>	proc_state_ptr = proc_state+proc_state_size;
354	>
355	>	#ifdef FREEBSD5
356	>	name = kp_stats[i].ki_comm;
357	>	#elif defined(DFBSD)
358	>	name = kp_stats[i].kp_thread.td_comm;
359	>	#else
360	>	name = kp_stats[i].kp_proc.p_comm;
361	>	#endif
362	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
363	>	return NULL;
364	>	}
365	>
366	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
367	>
368	>	#ifdef FREEBSD5
369	>	mib[2] = KERN_PROC_ARGS;
370	>	mib[3] = kp_stats[i].ki_pid;
371	>	#else
372	>	mib[1] = KERN_PROC_ARGS;
373	>	mib[2] = kp_stats[i].kp_proc.p_pid;
374	>	mib[3] = KERN_PROC_ARGV;
375	>	#endif
376	>
377	>	free(proc_state_ptr->proctitle);
378	>	proc_state_ptr->proctitle = NULL;
379	>
380	>	/* Starting size - we'll double this straight away */
381	>	#define PROCTITLE_START_SIZE 64
382	>	buflen = PROCTITLE_START_SIZE;
383	>	size = buflen;
384	>	proctitle = NULL;
385	>
386	>	do {
387	>	if(size >= buflen) {
388	>	buflen *= 2;
389	>	size = buflen;
390	>	proctitletmp = sg_realloc(proctitle, buflen);
391	>	if(proctitletmp == NULL) {
392	>	free(proctitle);
393	>	proctitle = NULL;
394	>	proc_state_ptr->proctitle = NULL;
395	>	size = 0;
396	>	break;
397	>	}
398	>	proctitle = proctitletmp;
399	>	bzero(proctitle, buflen);
400	>	}
401	>
402	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
403	>	free(proctitle);
404	>	proctitle = NULL;
405	>	proc_state_ptr->proctitle = NULL;
406	>	size = 0;
407	>	break;
408	>	}
409	>	} while(size >= buflen);
410	>
411	>	if(size > 0) {
412	>	proc_state_ptr->proctitle = sg_malloc(size+1);
413	>	if(proc_state_ptr->proctitle == NULL) {
414	>	return NULL;
415	>	}
416	>	p = proctitle;
417	>	#ifdef OPENBSD
418	>	/* On OpenBSD, this value has the argv pointers (which
419	>	* are terminated by a NULL) at the front, so we have
420	>	* to skip over them to get to the strings. */
421	>	while (*(char ***)p != NULL) {
422	>	p += sizeof(char **);
423	>	}
424	>	p += sizeof(char **);
425	>	#endif
426	>	proc_state_ptr->proctitle[0] = '\0';
427	>	do {
428	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
429	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
430	>	p += strlen(p) + 1;
431	>	} while (p < proctitle + size);
432	>	free(proctitle);
433	>	proctitle = NULL;
434	>	/* remove trailing space */
435	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
436	>	}
437	>	else {
438	>	if(proctitle != NULL) {
439	>	free(proctitle);
440	>	proctitle = NULL;
441	>	}
442	>	proc_state_ptr->proctitle = NULL;
443	>	}
444	>	#else
445	>	free(proc_state_ptr->proctitle);
446	>	proc_state_ptr->proctitle = NULL;
447	>	if(kvmd != NULL) {
448	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
449	>	if(args != NULL) {
450	>	argsp = args;
451	>	while(*argsp != NULL) {
452	>	argslen += strlen(*argsp) + 1;
453	>	argsp++;
454	>	}
455	>	proctitle = sg_malloc(argslen + 1);
456	>	proctitle[0] = '\0';
457	>	if(proctitle == NULL) {
458	>	return NULL;
459	>	}
460	>	while(*args != NULL) {
461	>	sg_strlcat(proctitle, *args, argslen + 1);
462	>	sg_strlcat(proctitle, " ", argslen + 1);
463	>	args++;
464	>	}
465	>	/* remove trailing space */
466	>	proctitle[strlen(proctitle)-1] = '\0';
467	>	proc_state_ptr->proctitle = proctitle;
468	>	}
469	>	else {
470	>	proc_state_ptr->proctitle = NULL;
471	>	}
472	>	}
473	>	else {
474	>	proc_state_ptr->proctitle = NULL;
475	>	}
476	>	#endif
477	>
478	>	#ifdef FREEBSD5
479	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
480	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
481	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
482	>	#else
483	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
484	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
485	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
486	>	#endif
487	>
488	>	#ifdef FREEBSD5
489	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
490	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
491	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
492	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
493	>	#elif defined(DFBSD)
494	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
495	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
496	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
497	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
498	>	#else
499	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
500	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
501	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
502	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
503	>	#endif
504	>
505	>	#ifdef FREEBSD5
506	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
507	>	/* This is in pages */
508	>	proc_state_ptr->proc_resident =
509	>	kp_stats[i].ki_rssize * getpagesize();
510	>	/* This is in microseconds */
511	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
512	>	proc_state_ptr->cpu_percent =
513	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
514	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
515	>	#else
516	>	proc_state_ptr->proc_size =
517	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
518	>	/* This is in pages */
519	>	proc_state_ptr->proc_resident =
520	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
521	>	#if defined(NETBSD) || defined(OPENBSD)
522	>	proc_state_ptr->time_spent =
523	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
524	>	#elif defined(DFBSD)
525	>	proc_state_ptr->time_spent =
526	>	( kp_stats[i].kp_thread.td_uticks +
527	>	kp_stats[i].kp_thread.td_sticks +
528	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
529	>	#else
530	>	/* This is in microseconds */
531	>	proc_state_ptr->time_spent =
532	>	kp_stats[i].kp_proc.p_runtime / 1000000;
533	>	#endif
534	>	proc_state_ptr->cpu_percent =
535	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
536	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
537	>	#endif
538	>
539	>	#ifdef NETBSD2
540	>	{
541	>	size_t size;
542	>	int mib[5];
543	>
544	>	mib[0] = CTL_KERN;
545	>	mib[1] = KERN_LWP;
546	>	mib[2] = kp_stats[i].kp_proc.p_pid;
547	>	mib[3] = sizeof(struct kinfo_lwp);
548	>	mib[4] = 0;
549	>
550	>	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
551	>	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
552	>	return NULL;
553	>	}
554	>
555	>	lwps = size / sizeof(struct kinfo_lwp);
556	>	mib[4] = lwps;
557	>
558	>	kl_stats = sg_malloc(size);
559	>	if(kl_stats == NULL) {
560	>	return NULL;
561	>	}
562	>
563	>	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
564	>	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
565	>	return NULL;
566	>	}
567	>	}
568	>
569	>	switch(kp_stats[i].kp_proc.p_stat) {
570	>	case SIDL:
571	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
572	>	break;
573	>	case SACTIVE:
574	>	{
575	>	int i;
576	>
577	>	for(i = 0; i < lwps; i++) {
578	>	switch(kl_stats[i].l_stat) {
579	>	case LSONPROC:
580	>	case LSRUN:
581	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
582	>	goto end;
583	>	case LSSLEEP:
584	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
585	>	goto end;
586	>	case LSSTOP:
587	>	case LSSUSPENDED:
588	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
589	>	goto end;
590	>	}
591	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
592	>	}
593	>	end: ;
594	>	}
595	>	break;
596	>	case SSTOP:
597	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
598	>	break;
599	>	case SZOMB:
600	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
601	>	break;
602	>	default:
603	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
604	>	break;
605	>	}
606	>
607	>	free(kl_stats);
608	>	#else
609	>	#ifdef FREEBSD5
610	>	switch (kp_stats[i].ki_stat) {
611	>	#else
612	>	switch (kp_stats[i].kp_proc.p_stat) {
613	>	#endif
614	>	case SIDL:
615	>	case SRUN:
616	>	#ifdef SONPROC
617	>	case SONPROC: /* NetBSD */
618	>	#endif
619	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
620	>	break;
621	>	case SSLEEP:
622	>	#ifdef SWAIT
623	>	case SWAIT: /* FreeBSD 5 */
624	>	#endif
625	>	#ifdef SLOCK
626	>	case SLOCK: /* FreeBSD 5 */
627	>	#endif
628	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
629	>	break;
630	>	case SSTOP:
631	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
632	>	break;
633	>	case SZOMB:
634	>	#ifdef SDEAD
635	>	case SDEAD: /* OpenBSD & NetBSD */
636	>	#endif
637	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
638	>	break;
639	>	default:
640	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
641	>	break;
642	>	}
643	>	#endif
644	>	proc_state_size++;
645	>	}
646	>
647	>	free(kp_stats);
648	>	#endif
649	>
650	>	#ifdef CYGWIN
651	>	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
652	>	return NULL;
653	>	#endif
654	>
655	>	*entries = proc_state_size;
656	>	return proc_state;
657	>	}
658	>
659	>	sg_process_count *sg_get_process_count() {
660	>	static sg_process_count process_stat;
661	>	sg_process_stats *ps;
662	>	int ps_size, x;
663	>
664	>	process_stat.sleeping = 0;
665	>	process_stat.running = 0;
666	>	process_stat.zombie = 0;
667	>	process_stat.stopped = 0;
668	>	process_stat.total = 0;
669	>
670	>	ps = sg_get_process_stats(&ps_size);
671	>	if (ps == NULL) {
672	>	return NULL;
673	>	}
674	>
675	>	for(x = 0; x < ps_size; x++) {
676	>	switch (ps->state) {
677	>	case SG_PROCESS_STATE_RUNNING:
678	>	process_stat.running++;
679	>	break;
680	>	case SG_PROCESS_STATE_SLEEPING:
681	>	process_stat.sleeping++;
682	>	break;
683	>	case SG_PROCESS_STATE_STOPPED:
684	>	process_stat.stopped++;
685	>	break;
686	>	case SG_PROCESS_STATE_ZOMBIE:
687	>	process_stat.zombie++;
688	>	break;
689	>	default:
690	>	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
691	>	* sg_process_count */
692	>	break;
693	>	}
694	>	ps++;
695	>	}
696	>
697	>	process_stat.total = ps_size;
698	>
699		return &process_stat;
700		}
701	+
702	+	int sg_process_compare_name(const void *va, const void *vb) {
703	+	const sg_process_stats *a = (sg_process_stats *)va;
704	+	const sg_process_stats *b = (sg_process_stats *)vb;
705	+
706	+	return strcmp(a->process_name, b->process_name);
707	+	}
708	+
709	+	int sg_process_compare_pid(const void *va, const void *vb) {
710	+	const sg_process_stats *a = (sg_process_stats *)va;
711	+	const sg_process_stats *b = (sg_process_stats *)vb;
712	+
713	+	if (a->pid < b->pid) {
714	+	return -1;
715	+	} else if (a->pid == b->pid) {
716	+	return 0;
717	+	} else {
718	+	return 1;
719	+	}
720	+	}
721	+
722	+	int sg_process_compare_uid(const void *va, const void *vb) {
723	+	const sg_process_stats *a = (sg_process_stats *)va;
724	+	const sg_process_stats *b = (sg_process_stats *)vb;
725	+
726	+	if (a->uid < b->uid) {
727	+	return -1;
728	+	} else if (a->uid == b->uid) {
729	+	return 0;
730	+	} else {
731	+	return 1;
732	+	}
733	+	}
734	+
735	+	int sg_process_compare_gid(const void *va, const void *vb) {
736	+	const sg_process_stats *a = (sg_process_stats *)va;
737	+	const sg_process_stats *b = (sg_process_stats *)vb;
738	+
739	+	if (a->gid < b->gid) {
740	+	return -1;
741	+	} else if (a->gid == b->gid) {
742	+	return 0;
743	+	} else {
744	+	return 1;
745	+	}
746	+	}
747	+
748	+	int sg_process_compare_size(const void *va, const void *vb) {
749	+	const sg_process_stats *a = (sg_process_stats *)va;
750	+	const sg_process_stats *b = (sg_process_stats *)vb;
751	+
752	+	if (a->proc_size < b->proc_size) {
753	+	return -1;
754	+	} else if (a->proc_size == b->proc_size) {
755	+	return 0;
756	+	} else {
757	+	return 1;
758	+	}
759	+	}
760	+
761	+	int sg_process_compare_res(const void *va, const void *vb) {
762	+	const sg_process_stats *a = (sg_process_stats *)va;
763	+	const sg_process_stats *b = (sg_process_stats *)vb;
764	+
765	+	if (a->proc_resident < b->proc_resident) {
766	+	return -1;
767	+	} else if (a->proc_resident == b->proc_resident) {
768	+	return 0;
769	+	} else {
770	+	return 1;
771	+	}
772	+	}
773	+
774	+	int sg_process_compare_cpu(const void *va, const void *vb) {
775	+	const sg_process_stats *a = (sg_process_stats *)va;
776	+	const sg_process_stats *b = (sg_process_stats *)vb;
777	+
778	+	if (a->cpu_percent < b->cpu_percent) {
779	+	return -1;
780	+	} else if (a->cpu_percent == b->cpu_percent) {
781	+	return 0;
782	+	} else {
783	+	return 1;
784	+	}
785	+	}
786	+
787	+	int sg_process_compare_time(const void *va, const void *vb) {
788	+	const sg_process_stats *a = (sg_process_stats *)va;
789	+	const sg_process_stats *b = (sg_process_stats *)vb;
790	+
791	+	if (a->time_spent < b->time_spent) {
792	+	return -1;
793	+	} else if (a->time_spent == b->time_spent) {
794	+	return 0;
795	+	} else {
796	+	return 1;
797	+	}
798	+	}
799	+

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