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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 1.24 by pajs, Sun Mar 28 18:22:58 2004 UTC vs.
Revision 1.56 by tdb, Tue Apr 6 14:44:29 2004 UTC

#	Line 26 | 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 42 | Line 44
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
#	Line 54 | Line 59
59		#else
60		#include <sys/proc.h>
61		#endif
62	+	#include <string.h>
63	+	#include <paths.h>
64	+	#include <fcntl.h>
65	+	#include <limits.h>
66	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
67	+	#include <kvm.h>
68	+	#include <tools.h>
69		#endif
70	+	#include <unistd.h>
71	+	#ifdef NETBSD2
72	+	#include <sys/lwp.h>
73	+	#endif
74	+	#endif
75
76	<	int get_proc_snapshot(proc_state_t **ps){
77	<	proc_state_t *proc_state = NULL;
78	<	proc_state_t *proc_state_ptr;
76	>	static void proc_state_init(sg_process_stats *s) {
77	>	s->process_name = NULL;
78	>	s->proctitle = NULL;
79	>	}
80	>
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;
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;
#	Line 68 | Line 115 | int get_proc_snapshot(proc_state_t **ps){
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;
125	+	int x;
126	+	int fn;
127	+	int len;
128	+	int rc;
129	+	#endif
130
131		if((proc_dir=opendir(PROC_LOCATION))==NULL){
132		return NULL;
#	Line 79 | Line 138 | int get_proc_snapshot(proc_state_t **ps){
138		#ifdef SOLARIS
139		snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
140		#endif
141	+	#ifdef LINUX
142	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
143	+	#endif
144		if((f=fopen(filename, "r"))==NULL){
145		/* Open failed.. Process since vanished, or the path was too long.
146		* Ah well, move onwards to the next one */
#	Line 86 | Line 148 | int get_proc_snapshot(proc_state_t **ps){
148		}
149		#ifdef SOLARIS
150		fread(&process_info, sizeof(psinfo_t), 1, f);
151	+	#endif
152
153	<	proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t));
153	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
154	>	return NULL;
155	>	}
156		proc_state_ptr = proc_state+proc_state_size;
157	<
157	>
158	>	#ifdef SOLARIS
159		proc_state_ptr->pid = process_info.pr_pid;
160		proc_state_ptr->parent = process_info.pr_ppid;
161		proc_state_ptr->pgid = process_info.pr_pgid;
#	Line 104 | Line 170 | int get_proc_snapshot(proc_state_t **ps){
170		proc_state_ptr->process_name = strdup(process_info.pr_fname);
171		proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
172
173	<	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SLEEPING;
174	<	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = RUNNING;
175	<	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = ZOMBIE;
176	<	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = STOPPED;
177	<	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = RUNNING;
173	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
174	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
175	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
176	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
177	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
178		#endif
179	+	#ifdef LINUX
180	+	x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %*u %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), &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident));
181	+	proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize();
182	+	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
183	+	if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
184	+	if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
185	+	if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
186	+	if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
187	+
188	+	/* pa_name[0] should = '(' */
189	+	ptr = strchr(&ps_name[1], ')');
190	+	if(ptr !=NULL) *ptr='\0';
191
192	<	proc_state_size++;
193	<	#endif
192	>	if (sg_update_string(&proc_state_ptr->process_name,
193	>	&ps_name[1]) < 0) {
194	>	return NULL;
195	>	}
196
197	+	/* Need to do cpu */
198	+
199
200		fclose(f);
201	+
202	+	/* proctitle */
203	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
204	+
205	+	if((fn=open(filename, O_RDONLY)) == -1){
206	+	/* Open failed.. Process since vanished, or the path was too long.
207	+	* Ah well, move onwards to the next one */
208	+	continue;
209	+	}
210	+
211	+	#define READ_BLOCK_SIZE 128
212	+	len = 0;
213	+	do {
214	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
215	+	return NULL;
216	+	}
217	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
218	+	if (rc > 0) {
219	+	len += rc;
220	+	}
221	+	} while (rc == READ_BLOCK_SIZE);
222	+	close(fn);
223	+
224	+	if (rc == -1) {
225	+	/* Read failed; move on. */
226	+	continue;
227	+	}
228	+
229	+	/* Turn \0s into spaces within the command line. */
230	+	ptr = psargs;
231	+	for(x = 0; x < len; x++) {
232	+	if (*ptr == '\0') *ptr = ' ';
233	+	ptr++;
234	+	}
235	+
236	+	if (len == 0) {
237	+	/* We want psargs to be NULL. */
238	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
239	+	return NULL;
240	+	}
241	+	} else {
242	+	/* Not empty, so append a \0. */
243	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
244	+	return NULL;
245	+	}
246	+	psargs[len] = '\0';
247	+	}
248	+
249	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
250	+	return NULL;
251	+	}
252	+	#endif
253	+
254	+	proc_state_size++;
255		}
256		closedir(proc_dir);
257	<	*ps = proc_state;
257	>	#endif
258
259	<	return proc_state_size;
259	>	#ifdef ALLBSD
260	>	mib[0] = CTL_KERN;
261	>	mib[1] = KERN_PROC;
262	>	mib[2] = KERN_PROC_ALL;
263	>
264	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
265	>	return NULL;
266	>	}
267	>
268	>	procs = size / sizeof(struct kinfo_proc);
269	>
270	>	kp_stats = malloc(size);
271	>	if(kp_stats == NULL) {
272	>	return NULL;
273	>	}
274	>	memset(kp_stats, 0, size);
275	>
276	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
277	>	free(kp_stats);
278	>	return NULL;
279	>	}
280	>
281	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
282	>	kvmd = sg_get_kvm2();
283	>	#endif
284	>
285	>	for (i = 0; i < procs; i++) {
286	>	const char *name;
287	>
288	>	#ifdef FREEBSD5
289	>	if (kp_stats[i].ki_stat == 0) {
290	>	#else
291	>	if (kp_stats[i].kp_proc.p_stat == 0) {
292	>	#endif
293	>	/* FreeBSD 5 deliberately overallocates the array that
294	>	* the sysctl returns, so we'll get a few junk
295	>	* processes on the end that we have to ignore. (Search
296	>	* for "overestimate by 5 procs" in
297	>	* src/sys/kern/kern_proc.c for more details.) */
298	>	continue;
299	>	}
300	>
301	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
302	>	return NULL;
303	>	}
304	>	proc_state_ptr = proc_state+proc_state_size;
305	>
306	>	#ifdef FREEBSD5
307	>	name = kp_stats[i].ki_comm;
308	>	#elif defined(DFBSD)
309	>	name = kp_stats[i].kp_thread.td_comm;
310	>	#else
311	>	name = kp_stats[i].kp_proc.p_comm;
312	>	#endif
313	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
314	>	return NULL;
315	>	}
316	>
317	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
318	>	size = sizeof(buflen);
319	>
320	>	#ifdef FREEBSD5
321	>	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
322	>	return NULL;
323	>	}
324	>	#else
325	>	/* FIXME - this value can be too large on some of
326	>	the BSD's, which causes sysctl not to return
327	>	anything. Maybe we need something smaller? */
328	>	mib[1] = KERN_ARGMAX;
329	>
330	>	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
331	>	return NULL;
332	>	}
333	>	#endif
334	>
335	>	proctitle = malloc(buflen);
336	>	if(proctitle == NULL) {
337	>	return NULL;
338	>	}
339	>
340	>	size = buflen;
341	>
342	>	#ifdef FREEBSD5
343	>	mib[2] = KERN_PROC_ARGS;
344	>	mib[3] = kp_stats[i].ki_pid;
345	>	#else
346	>	mib[1] = KERN_PROC_ARGS;
347	>	mib[2] = kp_stats[i].kp_proc.p_pid;
348	>	mib[3] = KERN_PROC_ARGV;
349	>	#endif
350	>
351	>	free(proc_state_ptr->proctitle);
352	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
353	>	free(proctitle);
354	>	proc_state_ptr->proctitle = NULL;
355	>	}
356	>	else if(size > 0) {
357	>	proc_state_ptr->proctitle = malloc(size+1);
358	>	if(proc_state_ptr->proctitle == NULL) {
359	>	return NULL;
360	>	}
361	>	p = proctitle;
362	>	proc_state_ptr->proctitle[0] = '\0';
363	>	do {
364	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
365	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
366	>	p += strlen(p) + 1;
367	>	} while (p < proctitle + size);
368	>	free(proctitle);
369	>	/* remove trailing space */
370	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
371	>	}
372	>	else {
373	>	free(proctitle);
374	>	proc_state_ptr->proctitle = NULL;
375	>	}
376	>	#else
377	>	free(proc_state_ptr->proctitle);
378	>	if(kvmd != NULL) {
379	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
380	>	if(args != NULL) {
381	>	argsp = args;
382	>	while(*argsp != NULL) {
383	>	argslen += strlen(*argsp) + 1;
384	>	argsp++;
385	>	}
386	>	proctitle = malloc(argslen + 1);
387	>	proctitle[0] = '\0';
388	>	if(proctitle == NULL) {
389	>	return NULL;
390	>	}
391	>	while(*args != NULL) {
392	>	sg_strlcat(proctitle, *args, argslen + 1);
393	>	sg_strlcat(proctitle, " ", argslen + 1);
394	>	args++;
395	>	}
396	>	/* remove trailing space */
397	>	proctitle[strlen(proctitle)-1] = '\0';
398	>	proc_state_ptr->proctitle = proctitle;
399	>	}
400	>	else {
401	>	proc_state_ptr->proctitle = NULL;
402	>	}
403	>	}
404	>	else {
405	>	proc_state_ptr->proctitle = NULL;
406	>	}
407	>	#endif
408	>
409	>	#ifdef FREEBSD5
410	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
411	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
412	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
413	>	#else
414	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
415	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
416	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
417	>	#endif
418	>
419	>	#ifdef FREEBSD5
420	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
421	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
422	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
423	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
424	>	#elif defined(DFBSD)
425	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
426	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
427	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
428	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
429	>	#else
430	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
431	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
432	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
433	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
434	>	#endif
435	>
436	>	#ifdef FREEBSD5
437	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
438	>	/* This is in pages */
439	>	proc_state_ptr->proc_resident =
440	>	kp_stats[i].ki_rssize * getpagesize();
441	>	/* This is in microseconds */
442	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
443	>	proc_state_ptr->cpu_percent =
444	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
445	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
446	>	#else
447	>	proc_state_ptr->proc_size =
448	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
449	>	/* This is in pages */
450	>	proc_state_ptr->proc_resident =
451	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
452	>	#if defined(NETBSD) || defined(OPENBSD)
453	>	proc_state_ptr->time_spent =
454	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
455	>	#elif defined(DFBSD)
456	>	proc_state_ptr->time_spent =
457	>	( kp_stats[i].kp_thread.td_uticks +
458	>	kp_stats[i].kp_thread.td_sticks +
459	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
460	>	#else
461	>	/* This is in microseconds */
462	>	proc_state_ptr->time_spent =
463	>	kp_stats[i].kp_proc.p_runtime / 1000000;
464	>	#endif
465	>	proc_state_ptr->cpu_percent =
466	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
467	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
468	>	#endif
469	>
470	>	#ifdef NETBSD2
471	>	{
472	>	size_t size;
473	>	int mib[5];
474	>
475	>	mib[0] = CTL_KERN;
476	>	mib[1] = KERN_LWP;
477	>	mib[2] = kp_stats[i].kp_proc.p_pid;
478	>	mib[3] = sizeof(struct kinfo_lwp);
479	>	mib[4] = 0;
480	>
481	>	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
482	>	return NULL;
483	>	}
484	>
485	>	lwps = size / sizeof(struct kinfo_lwp);
486	>	mib[4] = lwps;
487	>
488	>	kl_stats = malloc(size);
489	>	if(kl_stats == NULL) {
490	>	return NULL;
491	>	}
492	>
493	>	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
494	>	return NULL;
495	>	}
496	>	}
497	>
498	>	switch(kp_stats[i].kp_proc.p_stat) {
499	>	case SIDL:
500	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
501	>	break;
502	>	case SACTIVE:
503	>	{
504	>	int i;
505	>
506	>	for(i = 0; i < lwps; i++) {
507	>	switch(kl_stats[i].l_stat) {
508	>	case LSONPROC:
509	>	case LSRUN:
510	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
511	>	goto end;
512	>	case LSSLEEP:
513	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
514	>	goto end;
515	>	case LSSTOP:
516	>	case LSSUSPENDED:
517	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
518	>	goto end;
519	>	}
520	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
521	>	}
522	>	end: ;
523	>	}
524	>	break;
525	>	case SSTOP:
526	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
527	>	break;
528	>	case SZOMB:
529	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
530	>	break;
531	>	default:
532	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
533	>	break;
534	>	}
535	>	#else
536	>	#ifdef FREEBSD5
537	>	switch (kp_stats[i].ki_stat) {
538	>	#else
539	>	switch (kp_stats[i].kp_proc.p_stat) {
540	>	#endif
541	>	case SIDL:
542	>	case SRUN:
543	>	#ifdef SONPROC
544	>	case SONPROC: /* NetBSD */
545	>	#endif
546	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
547	>	break;
548	>	case SSLEEP:
549	>	#ifdef SWAIT
550	>	case SWAIT: /* FreeBSD 5 */
551	>	#endif
552	>	#ifdef SLOCK
553	>	case SLOCK: /* FreeBSD 5 */
554	>	#endif
555	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
556	>	break;
557	>	case SSTOP:
558	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
559	>	break;
560	>	case SZOMB:
561	>	#ifdef SDEAD
562	>	case SDEAD: /* OpenBSD & NetBSD */
563	>	#endif
564	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
565	>	break;
566	>	default:
567	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
568	>	break;
569	>	}
570	>	#endif
571	>	proc_state_size++;
572	>	}
573	>
574	>	free(kp_stats);
575	>	#endif
576	>
577	>	#ifdef CYGWIN
578	>	return NULL;
579	>	#endif
580	>
581	>	*entries = proc_state_size;
582	>	return proc_state;
583		}
584
585	+	sg_process_count *sg_get_process_count() {
586	+	static sg_process_count process_stat;
587	+	sg_process_stats *ps;
588	+	int ps_size, x;
589	+
590	+	process_stat.sleeping = 0;
591	+	process_stat.running = 0;
592	+	process_stat.zombie = 0;
593	+	process_stat.stopped = 0;
594	+	process_stat.total = 0;
595	+
596	+	ps = sg_get_process_stats(&ps_size);
597	+	if (ps == NULL) {
598	+	return NULL;
599	+	}
600	+
601	+	for(x = 0; x < ps_size; x++) {
602	+	switch (ps->state) {
603	+	case SG_PROCESS_STATE_RUNNING:
604	+	process_stat.running++;
605	+	break;
606	+	case SG_PROCESS_STATE_SLEEPING:
607	+	process_stat.sleeping++;
608	+	break;
609	+	case SG_PROCESS_STATE_STOPPED:
610	+	process_stat.stopped++;
611	+	break;
612	+	case SG_PROCESS_STATE_ZOMBIE:
613	+	process_stat.zombie++;
614	+	break;
615	+	default:
616	+	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
617	+	* sg_process_count */
618	+	break;
619	+	}
620	+	ps++;
621	+	}
622	+
623	+	process_stat.total = ps_size;
624	+
625	+	return &process_stat;
626	+	}

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