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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 1.8 by tdb, Sun Aug 24 20:24:09 2003 UTC vs.
Revision 1.75 by ats, Fri Sep 10 15:15:00 2004 UTC

#	Line 1 | Line 1
1	<	/*
2	<	* i-scream central monitoring system
1	>	/*
2	>	* i-scream libstatgrab
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 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	+	switch (process_info.pr_lwp.pr_state) {
196	+	case 1:
197	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
198	+	break;
199	+	case 2:
200	+	case 5:
201	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
202	+	break;
203	+	case 3:
204	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
205	+	break;
206	+	case 4:
207	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
208	+	break;
209	+	}
210	+	#endif
211		#ifdef LINUX
212	<	if((line_ptr=f_read_line(f, "State:"))==NULL){
213	<	fclose(f);
212	>	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));
213	>	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
214	>	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
215	>	switch (s) {
216	>	case 'S':
217	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
218	>	break;
219	>	case 'R':
220	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
221	>	break;
222	>	case 'Z':
223	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
224	>	break;
225	>	case 'T':
226	>	case 'D':
227	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
228	>	break;
229	>	}
230	>
231	>	/* pa_name[0] should = '(' */
232	>	ptr = strchr(&ps_name[1], ')');
233	>	if(ptr !=NULL) *ptr='\0';
234	>
235	>	if (sg_update_string(&proc_state_ptr->process_name,
236	>	&ps_name[1]) < 0) {
237	>	return NULL;
238	>	}
239	>
240	>	/* cpu */
241	>	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
242	>
243	>	fclose(f);
244	>
245	>	/* uid / gid */
246	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
247	>	if ((f=fopen(filename, "r")) == NULL) {
248	>	/* Open failed.. Process since vanished, or the path was too long.
249	>	* Ah well, move onwards to the next one */
250		continue;
251		}
252	<	if((line_ptr=strchr(line_ptr, '\t'))==NULL){
252	>
253	>	if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
254		fclose(f);
255		continue;
256		}
257	<	line_ptr++;
258	<	if(line_ptr=='\0'){
257	>	sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
258	>
259	>	if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
260		fclose(f);
261		continue;
262		}
263	+	sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
264
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	–
265		fclose(f);
266	+
267	+	/* proctitle */
268	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
269	+
270	+	if((fn=open(filename, O_RDONLY)) == -1){
271	+	/* Open failed.. Process since vanished, or the path was too long.
272	+	* Ah well, move onwards to the next one */
273	+	continue;
274	+	}
275	+
276	+	#define READ_BLOCK_SIZE 128
277	+	len = 0;
278	+	do {
279	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
280	+	return NULL;
281	+	}
282	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
283	+	if (rc > 0) {
284	+	len += rc;
285	+	}
286	+	} while (rc == READ_BLOCK_SIZE);
287	+	close(fn);
288	+
289	+	if (rc == -1) {
290	+	/* Read failed; move on. */
291	+	continue;
292	+	}
293	+
294	+	/* Turn \0s into spaces within the command line. */
295	+	ptr = psargs;
296	+	for(x = 0; x < len; x++) {
297	+	if (*ptr == '\0') *ptr = ' ';
298	+	ptr++;
299	+	}
300	+
301	+	if (len == 0) {
302	+	/* We want psargs to be NULL. */
303	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
304	+	return NULL;
305	+	}
306	+	} else {
307	+	/* Not empty, so append a \0. */
308	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
309	+	return NULL;
310	+	}
311	+	psargs[len] = '\0';
312	+	}
313	+
314	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
315	+	return NULL;
316	+	}
317	+	#endif
318	+
319	+	proc_state_size++;
320		}
321		closedir(proc_dir);
322		#endif
323	<	#ifdef FREEBSD
324	<	if((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL)) == NULL){
323	>
324	>	#ifdef ALLBSD
325	>	mib[0] = CTL_KERN;
326	>	mib[1] = KERN_PROC;
327	>	mib[2] = KERN_PROC_ALL;
328	>
329	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
330	>	sg_set_error_with_errno(SG_ERROR_SYSCTL,
331	>	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
332		return NULL;
333		}
334
335	<	kp_stats=kvm_getprocs(kvmd, KERN_PROC_ALL, 0, &procs);
335	>	procs = size / sizeof(struct kinfo_proc);
336
337	<	while(procs--){
338	<	if (kp_stats[procs].kp_proc.p_stat == SSLEEP) process_stat.sleeping++;
339	<	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++;
337	>	kp_stats = sg_malloc(size);
338	>	if(kp_stats == NULL) {
339	>	return NULL;
340		}
341	+	memset(kp_stats, 0, size);
342
343	<	kvm_close(kvmd);
343	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
344	>	sg_set_error_with_errno(SG_ERROR_SYSCTL,
345	>	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
346	>	free(kp_stats);
347	>	return NULL;
348	>	}
349	>
350	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
351	>	kvmd = sg_get_kvm2();
352		#endif
353
354	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
354	>	for (i = 0; i < procs; i++) {
355	>	const char *name;
356	>
357	>	#ifdef FREEBSD5
358	>	if (kp_stats[i].ki_stat == 0) {
359	>	#else
360	>	if (kp_stats[i].kp_proc.p_stat == 0) {
361	>	#endif
362	>	/* FreeBSD 5 deliberately overallocates the array that
363	>	* the sysctl returns, so we'll get a few junk
364	>	* processes on the end that we have to ignore. (Search
365	>	* for "overestimate by 5 procs" in
366	>	* src/sys/kern/kern_proc.c for more details.) */
367	>	continue;
368	>	}
369	>
370	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
371	>	return NULL;
372	>	}
373	>	proc_state_ptr = proc_state+proc_state_size;
374	>
375	>	#ifdef FREEBSD5
376	>	name = kp_stats[i].ki_comm;
377	>	#elif defined(DFBSD)
378	>	name = kp_stats[i].kp_thread.td_comm;
379	>	#else
380	>	name = kp_stats[i].kp_proc.p_comm;
381	>	#endif
382	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
383	>	return NULL;
384	>	}
385	>
386	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
387	>
388	>	#ifdef FREEBSD5
389	>	mib[2] = KERN_PROC_ARGS;
390	>	mib[3] = kp_stats[i].ki_pid;
391	>	#else
392	>	mib[1] = KERN_PROC_ARGS;
393	>	mib[2] = kp_stats[i].kp_proc.p_pid;
394	>	mib[3] = KERN_PROC_ARGV;
395	>	#endif
396	>
397	>	free(proc_state_ptr->proctitle);
398	>	proc_state_ptr->proctitle = NULL;
399	>
400	>	/* Starting size - we'll double this straight away */
401	>	#define PROCTITLE_START_SIZE 64
402	>	buflen = PROCTITLE_START_SIZE;
403	>	size = buflen;
404	>	proctitle = NULL;
405	>
406	>	do {
407	>	if(size >= buflen) {
408	>	buflen *= 2;
409	>	size = buflen;
410	>	proctitletmp = sg_realloc(proctitle, buflen);
411	>	if(proctitletmp == NULL) {
412	>	free(proctitle);
413	>	proctitle = NULL;
414	>	proc_state_ptr->proctitle = NULL;
415	>	size = 0;
416	>	break;
417	>	}
418	>	proctitle = proctitletmp;
419	>	bzero(proctitle, buflen);
420	>	}
421	>
422	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
423	>	free(proctitle);
424	>	proctitle = NULL;
425	>	proc_state_ptr->proctitle = NULL;
426	>	size = 0;
427	>	break;
428	>	}
429	>	} while(size >= buflen);
430	>
431	>	if(size > 0) {
432	>	proc_state_ptr->proctitle = sg_malloc(size+1);
433	>	if(proc_state_ptr->proctitle == NULL) {
434	>	return NULL;
435	>	}
436	>	p = proctitle;
437	>	#ifdef OPENBSD
438	>	/* On OpenBSD, this value has the argv pointers (which
439	>	* are terminated by a NULL) at the front, so we have
440	>	* to skip over them to get to the strings. */
441	>	while (*(char ***)p != NULL) {
442	>	p += sizeof(char **);
443	>	}
444	>	p += sizeof(char **);
445	>	#endif
446	>	proc_state_ptr->proctitle[0] = '\0';
447	>	do {
448	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
449	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
450	>	p += strlen(p) + 1;
451	>	} while (p < proctitle + size);
452	>	free(proctitle);
453	>	proctitle = NULL;
454	>	/* remove trailing space */
455	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
456	>	}
457	>	else {
458	>	if(proctitle != NULL) {
459	>	free(proctitle);
460	>	proctitle = NULL;
461	>	}
462	>	proc_state_ptr->proctitle = NULL;
463	>	}
464	>	#else
465	>	free(proc_state_ptr->proctitle);
466	>	proc_state_ptr->proctitle = NULL;
467	>	if(kvmd != NULL) {
468	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
469	>	if(args != NULL) {
470	>	argsp = args;
471	>	while(*argsp != NULL) {
472	>	argslen += strlen(*argsp) + 1;
473	>	argsp++;
474	>	}
475	>	proctitle = sg_malloc(argslen + 1);
476	>	proctitle[0] = '\0';
477	>	if(proctitle == NULL) {
478	>	return NULL;
479	>	}
480	>	while(*args != NULL) {
481	>	sg_strlcat(proctitle, *args, argslen + 1);
482	>	sg_strlcat(proctitle, " ", argslen + 1);
483	>	args++;
484	>	}
485	>	/* remove trailing space */
486	>	proctitle[strlen(proctitle)-1] = '\0';
487	>	proc_state_ptr->proctitle = proctitle;
488	>	}
489	>	else {
490	>	proc_state_ptr->proctitle = NULL;
491	>	}
492	>	}
493	>	else {
494	>	proc_state_ptr->proctitle = NULL;
495	>	}
496	>	#endif
497	>
498	>	#ifdef FREEBSD5
499	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
500	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
501	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
502	>	#else
503	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
504	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
505	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
506	>	#endif
507	>
508	>	#ifdef FREEBSD5
509	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
510	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
511	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
512	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
513	>	#elif defined(DFBSD)
514	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
515	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
516	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
517	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
518	>	#else
519	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
520	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
521	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
522	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
523	>	#endif
524	>
525	>	#ifdef FREEBSD5
526	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
527	>	/* This is in pages */
528	>	proc_state_ptr->proc_resident =
529	>	kp_stats[i].ki_rssize * getpagesize();
530	>	/* This is in microseconds */
531	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
532	>	proc_state_ptr->cpu_percent =
533	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
534	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
535	>	#else
536	>	proc_state_ptr->proc_size =
537	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
538	>	/* This is in pages */
539	>	proc_state_ptr->proc_resident =
540	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
541	>	#if defined(NETBSD) || defined(OPENBSD)
542	>	proc_state_ptr->time_spent =
543	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
544	>	#elif defined(DFBSD)
545	>	proc_state_ptr->time_spent =
546	>	( kp_stats[i].kp_thread.td_uticks +
547	>	kp_stats[i].kp_thread.td_sticks +
548	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
549	>	#else
550	>	/* This is in microseconds */
551	>	proc_state_ptr->time_spent =
552	>	kp_stats[i].kp_proc.p_runtime / 1000000;
553	>	#endif
554	>	proc_state_ptr->cpu_percent =
555	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
556	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
557	>	#endif
558	>
559	>	#ifdef NETBSD2
560	>	{
561	>	size_t size;
562	>	int mib[5];
563	>
564	>	mib[0] = CTL_KERN;
565	>	mib[1] = KERN_LWP;
566	>	mib[2] = kp_stats[i].kp_proc.p_pid;
567	>	mib[3] = sizeof(struct kinfo_lwp);
568	>	mib[4] = 0;
569	>
570	>	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
571	>	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
572	>	return NULL;
573	>	}
574	>
575	>	lwps = size / sizeof(struct kinfo_lwp);
576	>	mib[4] = lwps;
577	>
578	>	kl_stats = sg_malloc(size);
579	>	if(kl_stats == NULL) {
580	>	return NULL;
581	>	}
582	>
583	>	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
584	>	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
585	>	return NULL;
586	>	}
587	>	}
588	>
589	>	switch(kp_stats[i].kp_proc.p_stat) {
590	>	case SIDL:
591	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
592	>	break;
593	>	case SACTIVE:
594	>	{
595	>	int i;
596	>
597	>	for(i = 0; i < lwps; i++) {
598	>	switch(kl_stats[i].l_stat) {
599	>	case LSONPROC:
600	>	case LSRUN:
601	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
602	>	goto end;
603	>	case LSSLEEP:
604	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
605	>	goto end;
606	>	case LSSTOP:
607	>	case LSSUSPENDED:
608	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
609	>	goto end;
610	>	}
611	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
612	>	}
613	>	end: ;
614	>	}
615	>	break;
616	>	case SSTOP:
617	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
618	>	break;
619	>	case SZOMB:
620	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
621	>	break;
622	>	default:
623	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
624	>	break;
625	>	}
626	>
627	>	free(kl_stats);
628	>	#else
629	>	#ifdef FREEBSD5
630	>	switch (kp_stats[i].ki_stat) {
631	>	#else
632	>	switch (kp_stats[i].kp_proc.p_stat) {
633	>	#endif
634	>	case SIDL:
635	>	case SRUN:
636	>	#ifdef SONPROC
637	>	case SONPROC: /* NetBSD */
638	>	#endif
639	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
640	>	break;
641	>	case SSLEEP:
642	>	#ifdef SWAIT
643	>	case SWAIT: /* FreeBSD 5 */
644	>	#endif
645	>	#ifdef SLOCK
646	>	case SLOCK: /* FreeBSD 5 */
647	>	#endif
648	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
649	>	break;
650	>	case SSTOP:
651	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
652	>	break;
653	>	case SZOMB:
654	>	#ifdef SDEAD
655	>	case SDEAD: /* OpenBSD & NetBSD */
656	>	#endif
657	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
658	>	break;
659	>	default:
660	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
661	>	break;
662	>	}
663	>	#endif
664	>	proc_state_size++;
665	>	}
666	>
667	>	free(kp_stats);
668	>	#endif
669	>
670	>	#ifdef CYGWIN
671	>	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
672	>	return NULL;
673	>	#endif
674	>
675	>	*entries = proc_state_size;
676	>	return proc_state;
677	>	}
678	>
679	>	sg_process_count *sg_get_process_count() {
680	>	static sg_process_count process_stat;
681	>	sg_process_stats *ps;
682	>	int ps_size, x;
683	>
684	>	process_stat.sleeping = 0;
685	>	process_stat.running = 0;
686	>	process_stat.zombie = 0;
687	>	process_stat.stopped = 0;
688	>	process_stat.total = 0;
689	>
690	>	ps = sg_get_process_stats(&ps_size);
691	>	if (ps == NULL) {
692	>	return NULL;
693	>	}
694	>
695	>	for(x = 0; x < ps_size; x++) {
696	>	switch (ps->state) {
697	>	case SG_PROCESS_STATE_RUNNING:
698	>	process_stat.running++;
699	>	break;
700	>	case SG_PROCESS_STATE_SLEEPING:
701	>	process_stat.sleeping++;
702	>	break;
703	>	case SG_PROCESS_STATE_STOPPED:
704	>	process_stat.stopped++;
705	>	break;
706	>	case SG_PROCESS_STATE_ZOMBIE:
707	>	process_stat.zombie++;
708	>	break;
709	>	default:
710	>	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
711	>	* sg_process_count */
712	>	break;
713	>	}
714	>	ps++;
715	>	}
716	>
717	>	process_stat.total = ps_size;
718	>
719		return &process_stat;
720		}
721	+
722	+	int sg_process_compare_name(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	+	return strcmp(a->process_name, b->process_name);
727	+	}
728	+
729	+	int sg_process_compare_pid(const void *va, const void *vb) {
730	+	const sg_process_stats *a = (sg_process_stats *)va;
731	+	const sg_process_stats *b = (sg_process_stats *)vb;
732	+
733	+	if (a->pid < b->pid) {
734	+	return -1;
735	+	} else if (a->pid == b->pid) {
736	+	return 0;
737	+	} else {
738	+	return 1;
739	+	}
740	+	}
741	+
742	+	int sg_process_compare_uid(const void *va, const void *vb) {
743	+	const sg_process_stats *a = (sg_process_stats *)va;
744	+	const sg_process_stats *b = (sg_process_stats *)vb;
745	+
746	+	if (a->uid < b->uid) {
747	+	return -1;
748	+	} else if (a->uid == b->uid) {
749	+	return 0;
750	+	} else {
751	+	return 1;
752	+	}
753	+	}
754	+
755	+	int sg_process_compare_gid(const void *va, const void *vb) {
756	+	const sg_process_stats *a = (sg_process_stats *)va;
757	+	const sg_process_stats *b = (sg_process_stats *)vb;
758	+
759	+	if (a->gid < b->gid) {
760	+	return -1;
761	+	} else if (a->gid == b->gid) {
762	+	return 0;
763	+	} else {
764	+	return 1;
765	+	}
766	+	}
767	+
768	+	int sg_process_compare_size(const void *va, const void *vb) {
769	+	const sg_process_stats *a = (sg_process_stats *)va;
770	+	const sg_process_stats *b = (sg_process_stats *)vb;
771	+
772	+	if (a->proc_size < b->proc_size) {
773	+	return -1;
774	+	} else if (a->proc_size == b->proc_size) {
775	+	return 0;
776	+	} else {
777	+	return 1;
778	+	}
779	+	}
780	+
781	+	int sg_process_compare_res(const void *va, const void *vb) {
782	+	const sg_process_stats *a = (sg_process_stats *)va;
783	+	const sg_process_stats *b = (sg_process_stats *)vb;
784	+
785	+	if (a->proc_resident < b->proc_resident) {
786	+	return -1;
787	+	} else if (a->proc_resident == b->proc_resident) {
788	+	return 0;
789	+	} else {
790	+	return 1;
791	+	}
792	+	}
793	+
794	+	int sg_process_compare_cpu(const void *va, const void *vb) {
795	+	const sg_process_stats *a = (sg_process_stats *)va;
796	+	const sg_process_stats *b = (sg_process_stats *)vb;
797	+
798	+	if (a->cpu_percent < b->cpu_percent) {
799	+	return -1;
800	+	} else if (a->cpu_percent == b->cpu_percent) {
801	+	return 0;
802	+	} else {
803	+	return 1;
804	+	}
805	+	}
806	+
807	+	int sg_process_compare_time(const void *va, const void *vb) {
808	+	const sg_process_stats *a = (sg_process_stats *)va;
809	+	const sg_process_stats *b = (sg_process_stats *)vb;
810	+
811	+	if (a->time_spent < b->time_spent) {
812	+	return -1;
813	+	} else if (a->time_spent == b->time_spent) {
814	+	return 0;
815	+	} else {
816	+	return 1;
817	+	}
818	+	}
819	+

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