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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 1.10 by pajs, Thu Oct 9 16:48:33 2003 UTC vs.
Revision 1.83 by tdb, Sun Oct 3 18:35:58 2010 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	<	#if defined(SOLARIS) || defined(LINUX)
29	>	#include "tools.h"
30	>	#include "vector.h"
31	>	#if defined(SOLARIS) || defined(LINUX) || defined(AIX)
32		#include <stdio.h>
33		#include <stdlib.h>
34		#include <sys/types.h>
35		#include <dirent.h>
31	–	#include <string.h>
36		#endif
37	+	#include <string.h>
38
39		#ifdef SOLARIS
40		#include <procfs.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	+	#ifdef HPUX
76	+	#include <sys/param.h>
77	+	#include <sys/pstat.h>
78	+	#include <unistd.h>
79	+	#define PROCESS_BATCH 30
80	+	#endif
81	+	#ifdef WIN32
82	+	#include <windows.h>
83	+	#include <psapi.h>
84	+	#endif
85	+	#ifdef AIX
86	+	#include <unistd.h>
87	+	#include <errno.h>
88	+	#include <time.h>
89	+	#include <procinfo.h>
90	+	#include <sys/time.h>
91	+	extern int getprocs64(struct procentry64 *, int, struct fdsinfo64 *, int, pid_t *, int);
92	+	extern int getargs(struct procentry64 *, int, char *, int);
93	+	#endif
94
95	<	process_stat_t *get_process_stats(){
95	>	static void proc_state_init(sg_process_stats *s) {
96	>	s->process_name = NULL;
97	>	s->proctitle = NULL;
98	>	}
99
100	<	static process_stat_t process_stat;
100	>	static void proc_state_destroy(sg_process_stats *s) {
101	>	free(s->process_name);
102	>	free(s->proctitle);
103	>	}
104
105	+	sg_process_stats *sg_get_process_stats(int *entries){
106	+	VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
107	+	proc_state_init, proc_state_destroy);
108	+	int proc_state_size = 0;
109	+	sg_process_stats *proc_state_ptr;
110	+	#ifdef HPUX
111	+	struct pst_status pstat_procinfo[PROCESS_BATCH];
112	+	long procidx = 0;
113	+	long long pagesize;
114	+	int num, i;
115	+	#endif
116	+	#ifdef AIX
117	+	struct procentry64 *procs = NULL;
118	+	long long pagesize;
119	+	int fetched = 0;
120	+	pid_t index = 0;
121	+	unsigned proc_idx;
122	+	time_t utime, stime;
123	+	int ncpus;
124	+	struct timeval now_tval;
125	+	double now_time;
126	+	char cmndline[ARG_MAX];
127	+	char comm[ARG_MAX];
128	+	struct procentry64 curproc_for_getargs;
129	+	#define PROCS_TO_FETCH  1000
130	+	#endif
131	+	#ifdef ALLBSD
132	+	int mib[4];
133	+	size_t size;
134	+	struct kinfo_proc *kp_stats;
135	+	int procs, i;
136	+	char *proctitle;
137	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
138	+	kvm_t *kvmd;
139	+	char **args, **argsp;
140	+	int argslen = 0;
141	+	#else
142	+	long buflen;
143	+	char *p, *proctitletmp;
144	+	#endif
145	+	#ifdef NETBSD2
146	+	int lwps;
147	+	struct kinfo_lwp *kl_stats;
148	+	#endif
149	+	#endif
150		#if defined(SOLARIS) || defined(LINUX)
151	<	DIR *proc_dir;
151	>	DIR *proc_dir;
152		struct dirent *dir_entry;
153		char filename[MAX_FILE_LENGTH];
154		FILE *f;
63	–	#endif
64	–	#ifdef LINUX
65	–	char *line_ptr;
66	–	#endif
155		#ifdef SOLARIS
156		psinfo_t process_info;
157		#endif
158	<	#ifdef FREEBSD
159	<	struct kinfo_proc *kp_stats;
160	<	kvm_t *kvmd = NULL;
161	<	int procs;
158	>	#ifdef LINUX
159	>	char s;
160	>	/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
161	>	char ps_name[4096];
162	>	char *ptr;
163	>	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
164	>	unsigned long stime, utime, starttime;
165	>	int x;
166	>	int fn;
167	>	int len;
168	>	int rc;
169	>	time_t uptime;
170	>	long tickspersec;
171		#endif
172
173	<	process_stat.sleeping=0;
174	<	process_stat.running=0;
175	<	process_stat.zombie=0;
176	<	process_stat.stopped=0;
177	<	process_stat.total=0;
173	>	#ifdef LINUX
174	>	if ((f=fopen("/proc/uptime", "r")) == NULL) {
175	>	sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/uptime");
176	>	return NULL;
177	>	}
178	>	if((fscanf(f,"%lu %*d",&uptime)) != 1){
179	>	sg_set_error(SG_ERROR_PARSE, NULL);
180	>	return NULL;
181	>	}
182	>	fclose(f);
183	>	#endif
184
82	–	#if defined(SOLARIS) || defined(LINUX)
185		if((proc_dir=opendir(PROC_LOCATION))==NULL){
186	+	sg_set_error_with_errno(SG_ERROR_OPENDIR, PROC_LOCATION);
187		return NULL;
188		}
189
#	Line 91 | Line 194 | process_stat_t *get_process_stats(){
194		snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
195		#endif
196		#ifdef LINUX
197	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
197	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
198		#endif
96	–
199		if((f=fopen(filename, "r"))==NULL){
200	<	/* Open failed.. Process since vanished, or the path was too long.
200	>	/* Open failed.. Process since vanished, or the path was too long.
201		* Ah well, move onwards to the next one */
202		continue;
203		}
102	–
204		#ifdef SOLARIS
205		fread(&process_info, sizeof(psinfo_t), 1, f);
206	<	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++;
206	>	fclose(f);
207		#endif
208	+
209	+	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
210	+	return NULL;
211	+	}
212	+	proc_state_ptr = proc_state+proc_state_size;
213	+
214	+	#ifdef SOLARIS
215	+	proc_state_ptr->pid = process_info.pr_pid;
216	+	proc_state_ptr->parent = process_info.pr_ppid;
217	+	proc_state_ptr->pgid = process_info.pr_pgid;
218	+	proc_state_ptr->uid = process_info.pr_uid;
219	+	proc_state_ptr->euid = process_info.pr_euid;
220	+	proc_state_ptr->gid = process_info.pr_gid;
221	+	proc_state_ptr->egid = process_info.pr_egid;
222	+	proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
223	+	proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
224	+	proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
225	+	proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
226	+	proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20;
227	+	if (sg_update_string(&proc_state_ptr->process_name,
228	+	process_info.pr_fname) < 0) {
229	+	return NULL;
230	+	}
231	+	if (sg_update_string(&proc_state_ptr->proctitle,
232	+	process_info.pr_psargs) < 0) {
233	+	return NULL;
234	+	}
235	+
236	+	switch (process_info.pr_lwp.pr_state) {
237	+	case 1:
238	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
239	+	break;
240	+	case 2:
241	+	case 5:
242	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
243	+	break;
244	+	case 3:
245	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
246	+	break;
247	+	case 4:
248	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
249	+	break;
250	+	}
251	+	#endif
252		#ifdef LINUX
253	<	if((line_ptr=f_read_line(f, "State:"))==NULL){
254	<	fclose(f);
253	>	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));
254	>	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
255	>	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
256	>	switch (s) {
257	>	case 'S':
258	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
259	>	break;
260	>	case 'R':
261	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
262	>	break;
263	>	case 'Z':
264	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
265	>	break;
266	>	case 'T':
267	>	case 'D':
268	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
269	>	break;
270	>	}
271	>
272	>	/* pa_name[0] should = '(' */
273	>	ptr = strchr(&ps_name[1], ')');
274	>	if(ptr !=NULL) *ptr='\0';
275	>
276	>	if (sg_update_string(&proc_state_ptr->process_name,
277	>	&ps_name[1]) < 0) {
278	>	return NULL;
279	>	}
280	>
281	>	/* cpu */
282	>	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
283	>	tickspersec = sysconf (_SC_CLK_TCK);
284	>	if (tickspersec < 0) {
285	>	proc_state_ptr->time_spent = 0;
286	>	}
287	>	else {
288	>	proc_state_ptr->time_spent = (utime + stime) / tickspersec;
289	>	}
290	>
291	>	fclose(f);
292	>
293	>	/* uid / gid */
294	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
295	>	if ((f=fopen(filename, "r")) == NULL) {
296	>	/* Open failed.. Process since vanished, or the path was too long.
297	>	* Ah well, move onwards to the next one */
298		continue;
299		}
300	<	if((line_ptr=strchr(line_ptr, '\t'))==NULL){
300	>
301	>	if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
302		fclose(f);
303		continue;
304		}
305	<	line_ptr++;
306	<	if(line_ptr=='\0'){
305	>	sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
306	>
307	>	if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
308		fclose(f);
309		continue;
310		}
311	+	sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
312
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	–
313		fclose(f);
314	+
315	+	/* proctitle */
316	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
317	+
318	+	if((fn=open(filename, O_RDONLY)) == -1){
319	+	/* Open failed.. Process since vanished, or the path was too long.
320	+	* Ah well, move onwards to the next one */
321	+	continue;
322	+	}
323	+
324	+	#define READ_BLOCK_SIZE 128
325	+	len = 0;
326	+	do {
327	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
328	+	return NULL;
329	+	}
330	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
331	+	if (rc > 0) {
332	+	len += rc;
333	+	}
334	+	} while (rc == READ_BLOCK_SIZE);
335	+	close(fn);
336	+
337	+	if (rc == -1) {
338	+	/* Read failed; move on. */
339	+	continue;
340	+	}
341	+
342	+	/* Turn \0s into spaces within the command line. */
343	+	ptr = psargs;
344	+	for(x = 0; x < len; x++) {
345	+	if (*ptr == '\0') *ptr = ' ';
346	+	ptr++;
347	+	}
348	+
349	+	if (len == 0) {
350	+	/* We want psargs to be NULL. */
351	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
352	+	return NULL;
353	+	}
354	+	} else {
355	+	/* Not empty, so append a \0. */
356	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
357	+	return NULL;
358	+	}
359	+	psargs[len] = '\0';
360	+	}
361	+
362	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
363	+	return NULL;
364	+	}
365	+	#endif
366	+
367	+	proc_state_size++;
368		}
369		closedir(proc_dir);
370		#endif
371	<	#ifdef FREEBSD
372	<	if((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL)) == NULL){
371	>
372	>	#ifdef ALLBSD
373	>	mib[0] = CTL_KERN;
374	>	mib[1] = KERN_PROC;
375	>	mib[2] = KERN_PROC_ALL;
376	>
377	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
378	>	sg_set_error_with_errno(SG_ERROR_SYSCTL,
379	>	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
380		return NULL;
381		}
382
383	<	kp_stats=kvm_getprocs(kvmd, KERN_PROC_ALL, 0, &procs);
383	>	procs = size / sizeof(struct kinfo_proc);
384
385	<	while(procs--){
385	>	kp_stats = sg_malloc(size);
386	>	if(kp_stats == NULL) {
387	>	return NULL;
388	>	}
389	>	memset(kp_stats, 0, size);
390	>
391	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
392	>	sg_set_error_with_errno(SG_ERROR_SYSCTL,
393	>	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
394	>	free(kp_stats);
395	>	return NULL;
396	>	}
397	>
398	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
399	>	kvmd = sg_get_kvm2();
400	>	#endif
401	>
402	>	for (i = 0; i < procs; i++) {
403	>	const char *name;
404	>
405		#ifdef FREEBSD5
406	<	if (kp_stats[procs].ki_stat == SSLEEP) process_stat.sleeping++;
147	<	if (kp_stats[procs].ki_stat == SRUN) process_stat.running++;
148	<	if (kp_stats[procs].ki_stat == SIDL) process_stat.running++;
149	<	if (kp_stats[procs].ki_stat == SZOMB) process_stat.zombie++;
150	<	if (kp_stats[procs].ki_stat == SSTOP) process_stat.stopped++;
406	>	if (kp_stats[i].ki_stat == 0) {
407		#else
408	<	if (kp_stats[procs].kp_proc.p_stat == SSLEEP) process_stat.sleeping++;
153	<	if (kp_stats[procs].kp_proc.p_stat == SRUN) process_stat.running++;
154	<	if (kp_stats[procs].kp_proc.p_stat == SIDL) process_stat.running++;
155	<	if (kp_stats[procs].kp_proc.p_stat == SZOMB) process_stat.zombie++;
156	<	if (kp_stats[procs].kp_proc.p_stat == SSTOP) process_stat.stopped++;
157	<	process_stat.total++;
408	>	if (kp_stats[i].kp_proc.p_stat == 0) {
409		#endif
410	+	/* FreeBSD 5 deliberately overallocates the array that
411	+	* the sysctl returns, so we'll get a few junk
412	+	* processes on the end that we have to ignore. (Search
413	+	* for "overestimate by 5 procs" in
414	+	* src/sys/kern/kern_proc.c for more details.) */
415	+	continue;
416	+	}
417	+
418	+	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
419	+	return NULL;
420	+	}
421	+	proc_state_ptr = proc_state+proc_state_size;
422	+
423	+	#ifdef FREEBSD5
424	+	name = kp_stats[i].ki_comm;
425	+	#elif defined(DFBSD)
426	+	name = kp_stats[i].kp_thread.td_comm;
427	+	#else
428	+	name = kp_stats[i].kp_proc.p_comm;
429	+	#endif
430	+	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
431	+	return NULL;
432	+	}
433	+
434	+	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
435	+
436	+	#ifdef FREEBSD5
437	+	mib[2] = KERN_PROC_ARGS;
438	+	mib[3] = kp_stats[i].ki_pid;
439	+	#else
440	+	mib[1] = KERN_PROC_ARGS;
441	+	mib[2] = kp_stats[i].kp_proc.p_pid;
442	+	mib[3] = KERN_PROC_ARGV;
443	+	#endif
444	+
445	+	free(proc_state_ptr->proctitle);
446	+	proc_state_ptr->proctitle = NULL;
447	+
448	+	/* Starting size - we'll double this straight away */
449	+	#define PROCTITLE_START_SIZE 64
450	+	buflen = PROCTITLE_START_SIZE;
451	+	size = buflen;
452	+	proctitle = NULL;
453	+
454	+	do {
455	+	if((long) size >= buflen) {
456	+	buflen *= 2;
457	+	size = buflen;
458	+	proctitletmp = sg_realloc(proctitle, buflen);
459	+	if(proctitletmp == NULL) {
460	+	free(proctitle);
461	+	proctitle = NULL;
462	+	proc_state_ptr->proctitle = NULL;
463	+	size = 0;
464	+	break;
465	+	}
466	+	proctitle = proctitletmp;
467	+	bzero(proctitle, buflen);
468	+	}
469	+
470	+	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
471	+	free(proctitle);
472	+	proctitle = NULL;
473	+	proc_state_ptr->proctitle = NULL;
474	+	size = 0;
475	+	break;
476	+	}
477	+	} while((long) size >= buflen);
478	+
479	+	if(size > 0) {
480	+	proc_state_ptr->proctitle = sg_malloc(size+1);
481	+	if(proc_state_ptr->proctitle == NULL) {
482	+	return NULL;
483	+	}
484	+	p = proctitle;
485	+	#ifdef OPENBSD
486	+	/* On OpenBSD, this value has the argv pointers (which
487	+	* are terminated by a NULL) at the front, so we have
488	+	* to skip over them to get to the strings. */
489	+	while (*(char ***)p != NULL) {
490	+	p += sizeof(char **);
491	+	}
492	+	p += sizeof(char **);
493	+	#endif
494	+	proc_state_ptr->proctitle[0] = '\0';
495	+	do {
496	+	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
497	+	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
498	+	p += strlen(p) + 1;
499	+	} while (p < proctitle + size);
500	+	free(proctitle);
501	+	proctitle = NULL;
502	+	/* remove trailing space */
503	+	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
504	+	}
505	+	else {
506	+	if(proctitle != NULL) {
507	+	free(proctitle);
508	+	proctitle = NULL;
509	+	}
510	+	proc_state_ptr->proctitle = NULL;
511	+	}
512	+	#else
513	+	free(proc_state_ptr->proctitle);
514	+	proc_state_ptr->proctitle = NULL;
515	+	if(kvmd != NULL) {
516	+	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
517	+	if(args != NULL) {
518	+	argsp = args;
519	+	while(*argsp != NULL) {
520	+	argslen += strlen(*argsp) + 1;
521	+	argsp++;
522	+	}
523	+	proctitle = sg_malloc(argslen + 1);
524	+	proctitle[0] = '\0';
525	+	if(proctitle == NULL) {
526	+	return NULL;
527	+	}
528	+	while(*args != NULL) {
529	+	sg_strlcat(proctitle, *args, argslen + 1);
530	+	sg_strlcat(proctitle, " ", argslen + 1);
531	+	args++;
532	+	}
533	+	/* remove trailing space */
534	+	proctitle[strlen(proctitle)-1] = '\0';
535	+	proc_state_ptr->proctitle = proctitle;
536	+	}
537	+	else {
538	+	proc_state_ptr->proctitle = NULL;
539	+	}
540	+	}
541	+	else {
542	+	proc_state_ptr->proctitle = NULL;
543	+	}
544	+	#endif
545	+
546	+	#ifdef FREEBSD5
547	+	proc_state_ptr->pid = kp_stats[i].ki_pid;
548	+	proc_state_ptr->parent = kp_stats[i].ki_ppid;
549	+	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
550	+	#else
551	+	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
552	+	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
553	+	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
554	+	#endif
555	+
556	+	#ifdef FREEBSD5
557	+	proc_state_ptr->uid = kp_stats[i].ki_ruid;
558	+	proc_state_ptr->euid = kp_stats[i].ki_uid;
559	+	proc_state_ptr->gid = kp_stats[i].ki_rgid;
560	+	proc_state_ptr->egid = kp_stats[i].ki_svgid;
561	+	#elif defined(DFBSD)
562	+	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
563	+	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
564	+	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
565	+	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
566	+	#else
567	+	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
568	+	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
569	+	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
570	+	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
571	+	#endif
572	+
573	+	#ifdef FREEBSD5
574	+	proc_state_ptr->proc_size = kp_stats[i].ki_size;
575	+	/* This is in pages */
576	+	proc_state_ptr->proc_resident =
577	+	kp_stats[i].ki_rssize * getpagesize();
578	+	/* This is in microseconds */
579	+	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
580	+	proc_state_ptr->cpu_percent =
581	+	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
582	+	proc_state_ptr->nice = kp_stats[i].ki_nice;
583	+	#else
584	+	proc_state_ptr->proc_size =
585	+	kp_stats[i].kp_eproc.e_vm.vm_map.size;
586	+	/* This is in pages */
587	+	proc_state_ptr->proc_resident =
588	+	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
589	+	#if defined(NETBSD) || defined(OPENBSD)
590	+	proc_state_ptr->time_spent =
591	+	kp_stats[i].kp_proc.p_rtime.tv_sec;
592	+	#elif defined(DFBSD)
593	+	proc_state_ptr->time_spent =
594	+	( kp_stats[i].kp_thread.td_uticks +
595	+	kp_stats[i].kp_thread.td_sticks +
596	+	kp_stats[i].kp_thread.td_iticks ) / 1000000;
597	+	#else
598	+	/* This is in microseconds */
599	+	proc_state_ptr->time_spent =
600	+	kp_stats[i].kp_proc.p_runtime / 1000000;
601	+	#endif
602	+	proc_state_ptr->cpu_percent =
603	+	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
604	+	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
605	+	#endif
606	+
607	+	#ifdef NETBSD2
608	+	{
609	+	size_t size;
610	+	int mib[5];
611	+
612	+	mib[0] = CTL_KERN;
613	+	mib[1] = KERN_LWP;
614	+	mib[2] = kp_stats[i].kp_proc.p_pid;
615	+	mib[3] = sizeof(struct kinfo_lwp);
616	+	mib[4] = 0;
617	+
618	+	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
619	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
620	+	return NULL;
621	+	}
622	+
623	+	lwps = size / sizeof(struct kinfo_lwp);
624	+	mib[4] = lwps;
625	+
626	+	kl_stats = sg_malloc(size);
627	+	if(kl_stats == NULL) {
628	+	return NULL;
629	+	}
630	+
631	+	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
632	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
633	+	return NULL;
634	+	}
635	+	}
636	+
637	+	switch(kp_stats[i].kp_proc.p_stat) {
638	+	case SIDL:
639	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
640	+	break;
641	+	case SACTIVE:
642	+	{
643	+	int i;
644	+
645	+	for(i = 0; i < lwps; i++) {
646	+	switch(kl_stats[i].l_stat) {
647	+	case LSONPROC:
648	+	case LSRUN:
649	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
650	+	goto end;
651	+	case LSSLEEP:
652	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
653	+	goto end;
654	+	case LSSTOP:
655	+	case LSSUSPENDED:
656	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
657	+	goto end;
658	+	}
659	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
660	+	}
661	+	end: ;
662	+	}
663	+	break;
664	+	case SSTOP:
665	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
666	+	break;
667	+	case SZOMB:
668	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
669	+	break;
670	+	default:
671	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
672	+	break;
673	+	}
674	+
675	+	free(kl_stats);
676	+	#else
677	+	#ifdef FREEBSD5
678	+	switch (kp_stats[i].ki_stat) {
679	+	#else
680	+	switch (kp_stats[i].kp_proc.p_stat) {
681	+	#endif
682	+	case SIDL:
683	+	case SRUN:
684	+	#ifdef SONPROC
685	+	case SONPROC: /* NetBSD */
686	+	#endif
687	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
688	+	break;
689	+	case SSLEEP:
690	+	#ifdef SWAIT
691	+	case SWAIT: /* FreeBSD 5 */
692	+	#endif
693	+	#ifdef SLOCK
694	+	case SLOCK: /* FreeBSD 5 */
695	+	#endif
696	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
697	+	break;
698	+	case SSTOP:
699	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
700	+	break;
701	+	case SZOMB:
702	+	#ifdef SDEAD
703	+	case SDEAD: /* OpenBSD & NetBSD */
704	+	#endif
705	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
706	+	break;
707	+	default:
708	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
709	+	break;
710	+	}
711	+	#endif
712	+	proc_state_size++;
713		}
714
715	<	kvm_close(kvmd);
715	>	free(kp_stats);
716		#endif
717
718	<	#ifndef FREEBSD5
719	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
718	>	#ifdef HPUX
719	>	if ((pagesize = sysconf(_SC_PAGESIZE)) == -1) {
720	>	sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE");
721	>	return NULL;
722	>	}
723	>
724	>	while (1) {
725	>	num = pstat_getproc(pstat_procinfo, sizeof pstat_procinfo[0],
726	>	PROCESS_BATCH, procidx);
727	>	if (num == -1) {
728	>	sg_set_error_with_errno(SG_ERROR_PSTAT,
729	>	"pstat_getproc");
730	>	return NULL;
731	>	} else if (num == 0) {
732	>	break;
733	>	}
734	>
735	>	for (i = 0; i < num; i++) {
736	>	struct pst_status *pi = &pstat_procinfo[i];
737	>
738	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
739	>	return NULL;
740	>	}
741	>	proc_state_ptr = proc_state+proc_state_size;
742	>
743	>	proc_state_ptr->pid = pi->pst_pid;
744	>	proc_state_ptr->parent = pi->pst_ppid;
745	>	proc_state_ptr->pgid = pi->pst_pgrp;
746	>	proc_state_ptr->uid = pi->pst_uid;
747	>	proc_state_ptr->euid = pi->pst_euid;
748	>	proc_state_ptr->gid = pi->pst_gid;
749	>	proc_state_ptr->egid = pi->pst_egid;
750	>	proc_state_ptr->proc_size = (pi->pst_dsize + pi->pst_tsize + pi->pst_ssize) * pagesize;
751	>	proc_state_ptr->proc_resident = pi->pst_rssize * pagesize;
752	>	proc_state_ptr->time_spent = pi->pst_time;
753	>	proc_state_ptr->cpu_percent = (pi->pst_pctcpu * 100.0) / 0x8000;
754	>	proc_state_ptr->nice = pi->pst_nice;
755	>
756	>	if (sg_update_string(&proc_state_ptr->process_name,
757	>	pi->pst_ucomm) < 0) {
758	>	return NULL;
759	>	}
760	>	if (sg_update_string(&proc_state_ptr->proctitle,
761	>	pi->pst_cmd) < 0) {
762	>	return NULL;
763	>	}
764	>
765	>	switch (pi->pst_stat) {
766	>	case PS_SLEEP:
767	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
768	>	break;
769	>	case PS_RUN:
770	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
771	>	break;
772	>	case PS_STOP:
773	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
774	>	break;
775	>	case PS_ZOMBIE:
776	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
777	>	break;
778	>	case PS_IDLE:
779	>	case PS_OTHER:
780	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
781	>	break;
782	>	}
783	>
784	>	proc_state_size++;
785	>	}
786	>	procidx = pstat_procinfo[num - 1].pst_idx + 1;
787	>	}
788		#endif
789
790	+	#ifdef AIX
791	+	#define TVALU_TO_SEC(x) ((x).tv_sec + ((double)((x).tv_usec) / 1000000.0))
792	+	#define TVALN_TO_SEC(x) ((x).tv_sec + ((double)((x).tv_usec) / 1000000000.0))
793	+	ncpus = sysconf(_SC_NPROCESSORS_ONLN);
794	+	if( -1 == ncpus ) {
795	+	ncpus = 1; /* sysconf error - assume 1 */
796	+	}
797	+
798	+	if ((pagesize = sysconf(_SC_PAGESIZE)) == -1) {
799	+	sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE");
800	+	return NULL;
801	+	}
802	+
803	+	proc_idx = 0;
804	+	procs = /* (struct procentry64 *) */ malloc(sizeof(*procs) * PROCS_TO_FETCH);
805	+	if(NULL == procs) {
806	+	sg_set_error_with_errno(SG_ERROR_MALLOC, "sg_get_process_stats");
807	+	return 0;
808	+	}
809	+
810	+	gettimeofday(&now_tval, 0);
811	+	now_time = TVALU_TO_SEC(now_tval);
812	+
813	+	/* keep on grabbing chunks of processes until getprocs returns a smaller
814	+	block than we asked for */
815	+	do {
816	+	int i;
817	+	fetched = getprocs64(procs, sizeof(*procs), NULL, 0, &index, PROCS_TO_FETCH);
818	+	if (VECTOR_RESIZE(proc_state, proc_state_size + fetched) < 0) {
819	+	sg_set_error_with_errno(SG_ERROR_MALLOC, "sg_get_process_stats");
820	+	free(procs);
821	+	return NULL;
822	+	}
823	+	for( i = 0; i < fetched; ++i ) {
824	+	struct procentry64 *pi = procs+i;
825	+	int zombie = 0;
826	+
827	+	proc_state_ptr = proc_state + proc_idx;
828	+
829	+	zombie = 0;
830	+
831	+	/* set a descriptive name for the process state */
832	+	switch( pi->pi_state ) {
833	+	case SSLEEP:
834	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
835	+	break;
836	+	case SRUN:
837	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
838	+	break;
839	+	case SZOMB:
840	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
841	+	zombie = 1;
842	+	break;
843	+	case SSTOP:
844	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
845	+	break;
846	+	case SACTIVE:
847	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
848	+	break;
849	+	case SIDL:
850	+	default:
851	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
852	+	break;
853	+	}
854	+
855	+	if( zombie ) {
856	+	utime = pi->pi_utime;
857	+	stime = pi->pi_stime;
858	+	} else {
859	+	utime = TVALN_TO_SEC(pi->pi_ru.ru_utime) + TVALN_TO_SEC(pi->pi_cru.ru_utime);
860	+	stime = TVALN_TO_SEC(pi->pi_ru.ru_stime) + TVALN_TO_SEC(pi->pi_cru.ru_stime);
861	+	}
862	+
863	+	proc_state_ptr->pid = pi->pi_pid;
864	+	proc_state_ptr->parent = pi->pi_ppid;
865	+	proc_state_ptr->pgid = pi->pi_pgrp;
866	+	proc_state_ptr->uid = pi->pi_cred.crx_ruid;
867	+	proc_state_ptr->euid = pi->pi_cred.crx_uid;
868	+	proc_state_ptr->gid = pi->pi_cred.crx_rgid;
869	+	proc_state_ptr->egid = pi->pi_cred.crx_gid;
870	+	proc_state_ptr->proc_size = pi->pi_size;
871	+	proc_state_ptr->proc_resident = pi->pi_drss + pi->pi_trss; /* XXX might be wrong, see P::PT */
872	+	proc_state_ptr->time_spent = utime + stime;
873	+	proc_state_ptr->cpu_percent = (((double)(utime + stime) * 100) / ( now_time - pi->pi_start )) / ncpus;
874	+	proc_state_ptr->nice = pi->pi_nice;
875	+
876	+	/* determine comm & cmndline */
877	+	if( (pi->pi_flags & SKPROC) == SKPROC ) {
878	+	if( pi->pi_pid == 0 ) {
879	+	snprintf(comm, ARG_MAX, "kproc (swapper)");
880	+	snprintf(cmndline, ARG_MAX, "kproc (swapper)");
881	+	} else {
882	+	snprintf(comm, ARG_MAX, "kproc (%s)", pi->pi_comm);
883	+	snprintf(cmndline, ARG_MAX, "kproc (%s)", pi->pi_comm);
884	+	}
885	+	} else {
886	+	snprintf(comm, ARG_MAX, "%s", pi->pi_comm);
887	+	curproc_for_getargs.pi_pid = pi->pi_pid;
888	+	if( getargs(&curproc_for_getargs, sizeof(curproc_for_getargs), cmndline, ARG_MAX) < 0 ) {
889	+	snprintf(cmndline, ARG_MAX, "%s", pi->pi_comm);
890	+	} else {
891	+	int done = 0;
892	+	/* replace NUL characters in command line with spaces */
893	+	char *c = cmndline;
894	+	while( ! done ) {
895	+	if( *c == '\0' ) {
896	+	if( *(c+1) == '\0' ) {
897	+	done = 1;
898	+	} else {
899	+	*c++ = ' ';
900	+	}
901	+	} else {
902	+	++c;
903	+	}
904	+	}
905	+	}
906	+	}
907	+
908	+
909	+	if (sg_update_string(&proc_state_ptr->process_name, comm) < 0) {
910	+	free(procs);
911	+	return NULL;
912	+	}
913	+	if (sg_update_string(&proc_state_ptr->proctitle, cmndline) < 0) {
914	+	free(procs);
915	+	return NULL;
916	+	}
917	+
918	+	proc_idx++;
919	+	}
920	+	} while( fetched >= PROCS_TO_FETCH );
921	+
922	+	proc_state_size = proc_idx;
923	+
924	+	free(procs);
925	+	#endif
926	+
927	+
928	+	#ifdef CYGWIN
929	+	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
930	+	return NULL;
931	+	#endif
932	+	#ifdef WIN32
933	+	/* FIXME The data needed for this is probably do able with the
934	+	* "performance registry". Although using this appears to be a black
935	+	* art and closely guarded secret.
936	+	* This is not directly used in ihost, so not considered a priority */
937	+	sg_set_error(SG_ERROR_UNSUPPORTED, "Win32");
938	+	return NULL;
939	+	#endif
940	+
941	+	*entries = proc_state_size;
942	+	return proc_state;
943	+	}
944	+
945	+	sg_process_count *sg_get_process_count() {
946	+	static sg_process_count process_stat;
947	+	#ifndef WIN32
948	+	sg_process_stats *ps;
949	+	int ps_size, x;
950	+	#else
951	+	DWORD aProcesses[1024];
952	+	DWORD cbNeeded;
953	+	#endif
954	+
955	+	process_stat.sleeping = 0;
956	+	process_stat.running = 0;
957	+	process_stat.zombie = 0;
958	+	process_stat.stopped = 0;
959	+	process_stat.total = 0;
960	+
961	+	#ifndef WIN32
962	+	ps = sg_get_process_stats(&ps_size);
963	+	if (ps == NULL) {
964	+	return NULL;
965	+	}
966	+
967	+	for(x = 0; x < ps_size; x++) {
968	+	switch (ps->state) {
969	+	case SG_PROCESS_STATE_RUNNING:
970	+	process_stat.running++;
971	+	break;
972	+	case SG_PROCESS_STATE_SLEEPING:
973	+	process_stat.sleeping++;
974	+	break;
975	+	case SG_PROCESS_STATE_STOPPED:
976	+	process_stat.stopped++;
977	+	break;
978	+	case SG_PROCESS_STATE_ZOMBIE:
979	+	process_stat.zombie++;
980	+	break;
981	+	default:
982	+	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
983	+	* sg_process_count */
984	+	break;
985	+	}
986	+	ps++;
987	+	}
988	+
989	+	process_stat.total = ps_size;
990	+	#else
991	+	if (!EnumProcesses(aProcesses, sizeof(aProcesses), &cbNeeded))
992	+	return NULL;
993	+	process_stat.total = cbNeeded / sizeof(DWORD);
994	+	#endif
995	+
996		return &process_stat;
997		}
998	+
999	+	int sg_process_compare_name(const void *va, const void *vb) {
1000	+	const sg_process_stats *a = (sg_process_stats *)va;
1001	+	const sg_process_stats *b = (sg_process_stats *)vb;
1002	+
1003	+	return strcmp(a->process_name, b->process_name);
1004	+	}
1005	+
1006	+	int sg_process_compare_pid(const void *va, const void *vb) {
1007	+	const sg_process_stats *a = (sg_process_stats *)va;
1008	+	const sg_process_stats *b = (sg_process_stats *)vb;
1009	+
1010	+	if (a->pid < b->pid) {
1011	+	return -1;
1012	+	} else if (a->pid == b->pid) {
1013	+	return 0;
1014	+	} else {
1015	+	return 1;
1016	+	}
1017	+	}
1018	+
1019	+	int sg_process_compare_uid(const void *va, const void *vb) {
1020	+	const sg_process_stats *a = (sg_process_stats *)va;
1021	+	const sg_process_stats *b = (sg_process_stats *)vb;
1022	+
1023	+	if (a->uid < b->uid) {
1024	+	return -1;
1025	+	} else if (a->uid == b->uid) {
1026	+	return 0;
1027	+	} else {
1028	+	return 1;
1029	+	}
1030	+	}
1031	+
1032	+	int sg_process_compare_gid(const void *va, const void *vb) {
1033	+	const sg_process_stats *a = (sg_process_stats *)va;
1034	+	const sg_process_stats *b = (sg_process_stats *)vb;
1035	+
1036	+	if (a->gid < b->gid) {
1037	+	return -1;
1038	+	} else if (a->gid == b->gid) {
1039	+	return 0;
1040	+	} else {
1041	+	return 1;
1042	+	}
1043	+	}
1044	+
1045	+	int sg_process_compare_size(const void *va, const void *vb) {
1046	+	const sg_process_stats *a = (sg_process_stats *)va;
1047	+	const sg_process_stats *b = (sg_process_stats *)vb;
1048	+
1049	+	if (a->proc_size < b->proc_size) {
1050	+	return -1;
1051	+	} else if (a->proc_size == b->proc_size) {
1052	+	return 0;
1053	+	} else {
1054	+	return 1;
1055	+	}
1056	+	}
1057	+
1058	+	int sg_process_compare_res(const void *va, const void *vb) {
1059	+	const sg_process_stats *a = (sg_process_stats *)va;
1060	+	const sg_process_stats *b = (sg_process_stats *)vb;
1061	+
1062	+	if (a->proc_resident < b->proc_resident) {
1063	+	return -1;
1064	+	} else if (a->proc_resident == b->proc_resident) {
1065	+	return 0;
1066	+	} else {
1067	+	return 1;
1068	+	}
1069	+	}
1070	+
1071	+	int sg_process_compare_cpu(const void *va, const void *vb) {
1072	+	const sg_process_stats *a = (sg_process_stats *)va;
1073	+	const sg_process_stats *b = (sg_process_stats *)vb;
1074	+
1075	+	if (a->cpu_percent < b->cpu_percent) {
1076	+	return -1;
1077	+	} else if (a->cpu_percent == b->cpu_percent) {
1078	+	return 0;
1079	+	} else {
1080	+	return 1;
1081	+	}
1082	+	}
1083	+
1084	+	int sg_process_compare_time(const void *va, const void *vb) {
1085	+	const sg_process_stats *a = (sg_process_stats *)va;
1086	+	const sg_process_stats *b = (sg_process_stats *)vb;
1087	+
1088	+	if (a->time_spent < b->time_spent) {
1089	+	return -1;
1090	+	} else if (a->time_spent == b->time_spent) {
1091	+	return 0;
1092	+	} else {
1093	+	return 1;
1094	+	}
1095	+	}
1096	+

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