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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 1.25 by pajs, Tue Mar 30 13:41:31 2004 UTC vs.
Revision 1.53 by ats, Mon Apr 5 18:10:11 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 57 | 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	+	#endif
72
73	<	int get_proc_snapshot(proc_state_t **ps){
74	<	proc_state_t *proc_state = NULL;
75	<	proc_state_t *proc_state_ptr;
73	>	static void proc_state_init(sg_process_stats *s) {
74	>	s->process_name = NULL;
75	>	s->proctitle = NULL;
76	>	}
77	>
78	>	static void proc_state_destroy(sg_process_stats *s) {
79	>	free(s->process_name);
80	>	free(s->proctitle);
81	>	}
82	>
83	>	sg_process_stats *sg_get_process_stats(int *entries){
84	>	VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
85	>	proc_state_init, proc_state_destroy);
86		int proc_state_size = 0;
87	+	sg_process_stats *proc_state_ptr;
88	+	#ifdef ALLBSD
89	+	int mib[4];
90	+	size_t size;
91	+	struct kinfo_proc *kp_stats;
92	+	int procs, i;
93	+	char *proctitle;
94	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
95	+	kvm_t *kvmd;
96	+	char **args, **argsp;
97	+	int argslen = 0;
98	+	#else
99	+	long buflen;
100	+	char *p;
101	+	#endif
102	+	#endif
103		#if defined(SOLARIS) || defined(LINUX)
104		DIR *proc_dir;
105		struct dirent *dir_entry;
#	Line 76 | Line 113 | int get_proc_snapshot(proc_state_t **ps){
113		/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
114		char ps_name[4096];
115		char *ptr;
116	<	static char *psargs = NULL;
80	<	static int psarg_size = 0;
116	>	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
117		unsigned long stime, utime;
118		int x;
119		int fn;
120	<	int toread;
121	<	ssize_t size;
86	<	int t_read;
120	>	int len;
121	>	int rc;
122		#endif
123
124		if((proc_dir=opendir(PROC_LOCATION))==NULL){
125	<	return -1;
125	>	return NULL;
126		}
127
128		while((dir_entry=readdir(proc_dir))!=NULL){
#	Line 108 | Line 143 | int get_proc_snapshot(proc_state_t **ps){
143		fread(&process_info, sizeof(psinfo_t), 1, f);
144		#endif
145
146	<	proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t));
146	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
147	>	return NULL;
148	>	}
149		proc_state_ptr = proc_state+proc_state_size;
150	+
151		#ifdef SOLARIS
152		proc_state_ptr->pid = process_info.pr_pid;
153		proc_state_ptr->parent = process_info.pr_ppid;
#	Line 125 | Line 163 | int get_proc_snapshot(proc_state_t **ps){
163		proc_state_ptr->process_name = strdup(process_info.pr_fname);
164		proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
165
166	<	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SLEEPING;
167	<	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = RUNNING;
168	<	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = ZOMBIE;
169	<	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = STOPPED;
170	<	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = RUNNING;
166	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
167	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
168	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
169	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
170	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
171		#endif
172		#ifdef LINUX
173	<	x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*lu %*lu %*lu %*lu %*lu %lu %lu %*ld %*ld %*ld %d %*ld %*ld %*lu %llu %llu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*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));
173	>	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));
174		proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize();
175	<	if(s == 'S') proc_state_ptr->state = SLEEPING;
176	<	if(s == 'R') proc_state_ptr->state = RUNNING;
177	<	if(s == 'Z') proc_state_ptr->state = ZOMBIE;
178	<	if(s == 'T') proc_state_ptr->state = STOPPED;
179	<	if(s == 'D') proc_state_ptr->state = STOPPED;
175	>	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
176	>	if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
177	>	if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
178	>	if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
179	>	if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
180
181		/* pa_name[0] should = '(' */
182		ptr = strchr(&ps_name[1], ')');
183		if(ptr !=NULL) *ptr='\0';
146	–	proc_state_ptr->process_name = strdup(&ps_name[1]);
184
185	+	if (sg_update_string(&proc_state_ptr->process_name,
186	+	&ps_name[1]) < 0) {
187	+	return NULL;
188	+	}
189	+
190		/* Need to do cpu */
191
192
193	+	fclose(f);
194	+
195		/* proctitle */
196		snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
197
#	Line 156 | Line 200 | int get_proc_snapshot(proc_state_t **ps){
200		* Ah well, move onwards to the next one */
201		continue;
202		}
203	<	#define         PSARG_START_SIZE 128
204	<	if(psargs == NULL){
205	<	psargs = malloc(PSARG_START_SIZE);
206	<	psarg_size = PSARG_START_SIZE;
203	>
204	>	#define READ_BLOCK_SIZE 128
205	>	len = 0;
206	>	do {
207	>	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
208	>	return NULL;
209	>	}
210	>	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
211	>	if (rc > 0) {
212	>	len += rc;
213	>	}
214	>	} while (rc == READ_BLOCK_SIZE);
215	>	close(fn);
216	>
217	>	if (rc == -1) {
218	>	/* Read failed; move on. */
219	>	continue;
220		}
164	–	ptr = psargs;
165	–	t_read = 0;
166	–	toread = psarg_size;
167	–	while((size = read(fn, ptr, toread)) == toread){
168	–	psargs = realloc(psargs, (psarg_size + PSARG_START_SIZE));
169	–	ptr = psargs+psarg_size;
170	–	t_read = psarg_size;
171	–	psarg_size+=PSARG_START_SIZE;
172	–	toread = PSARG_START_SIZE;
173	–	}
174	–	if(size != -1) t_read+=size;
221
222	+	/* Turn \0s into spaces within the command line. */
223		ptr = psargs;
224	<	for(x=0; x<t_read; x++){
224	>	for(x = 0; x < len; x++) {
225		if (*ptr == '\0') *ptr = ' ';
226		ptr++;
227		}
181	–	/*  for safety sake */
182	–	psargs[t_read] = '\0';
228
229	<	proc_state_ptr->proctitle = strdup(psargs);
229	>	if (len == 0) {
230	>	/* We want psargs to be NULL. */
231	>	if (VECTOR_RESIZE(psargs, 0) < 0) {
232	>	return NULL;
233	>	}
234	>	} else {
235	>	/* Not empty, so append a \0. */
236	>	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
237	>	return NULL;
238	>	}
239	>	psargs[len] = '\0';
240	>	}
241
242	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
243	+	return NULL;
244	+	}
245		#endif
246
247		proc_state_size++;
248	+	}
249	+	closedir(proc_dir);
250		#endif
251
252	+	#ifdef ALLBSD
253	+	mib[0] = CTL_KERN;
254	+	mib[1] = KERN_PROC;
255	+	mib[2] = KERN_PROC_ALL;
256
257	<	fclose(f);
258	<	}
259	<	closedir(proc_dir);
195	<	*ps = proc_state;
257	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
258	>	return NULL;
259	>	}
260
261	<	return proc_state_size;
261	>	procs = size / sizeof(struct kinfo_proc);
262	>
263	>	kp_stats = malloc(size);
264	>	if(kp_stats == NULL) {
265	>	return NULL;
266	>	}
267	>
268	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
269	>	free(kp_stats);
270	>	return NULL;
271	>	}
272	>
273	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
274	>	kvmd = sg_get_kvm2();
275	>	#endif
276	>
277	>	for (i = 0; i < procs; i++) {
278	>	const char *name;
279	>
280	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
281	>	return NULL;
282	>	}
283	>	proc_state_ptr = proc_state+proc_state_size;
284	>
285	>	#ifdef FREEBSD5
286	>	name = kp_stats[i].ki_comm;
287	>	#elif defined(DFBSD)
288	>	name = kp_stats[i].kp_thread.td_comm;
289	>	#else
290	>	name = kp_stats[i].kp_proc.p_comm;
291	>	#endif
292	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
293	>	return NULL;
294	>	}
295	>
296	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
297	>	size = sizeof(buflen);
298	>
299	>	#ifdef FREEBSD5
300	>	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
301	>	return NULL;
302	>	}
303	>	#else
304	>	mib[1] = KERN_ARGMAX;
305	>
306	>	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
307	>	return NULL;
308	>	}
309	>	#endif
310	>
311	>	proctitle = malloc(buflen);
312	>	if(proctitle == NULL) {
313	>	return NULL;
314	>	}
315	>
316	>	size = buflen;
317	>
318	>	#ifdef FREEBSD5
319	>	mib[2] = KERN_PROC_ARGS;
320	>	mib[3] = kp_stats[i].ki_pid;
321	>	#else
322	>	mib[1] = KERN_PROC_ARGS;
323	>	mib[2] = kp_stats[i].kp_proc.p_pid;
324	>	mib[3] = KERN_PROC_ARGV;
325	>	#endif
326	>
327	>	free(proc_state_ptr->proctitle);
328	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
329	>	free(proctitle);
330	>	proc_state_ptr->proctitle = NULL;
331	>	}
332	>	else if(size > 0) {
333	>	proc_state_ptr->proctitle = malloc(size+1);
334	>	if(proc_state_ptr->proctitle == NULL) {
335	>	return NULL;
336	>	}
337	>	p = proctitle;
338	>	proc_state_ptr->proctitle[0] = '\0';
339	>	do {
340	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
341	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
342	>	p += strlen(p) + 1;
343	>	} while (p < proctitle + size);
344	>	free(proctitle);
345	>	/* remove trailing space */
346	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
347	>	}
348	>	else {
349	>	free(proctitle);
350	>	proc_state_ptr->proctitle = NULL;
351	>	}
352	>	#else
353	>	free(proc_state_ptr->proctitle);
354	>	if(kvmd != NULL) {
355	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
356	>	if(args != NULL) {
357	>	argsp = args;
358	>	while(*argsp != NULL) {
359	>	argslen += strlen(*argsp) + 1;
360	>	argsp++;
361	>	}
362	>	proctitle = malloc(argslen + 1);
363	>	proctitle[0] = '\0';
364	>	if(proctitle == NULL) {
365	>	return NULL;
366	>	}
367	>	while(*args != NULL) {
368	>	sg_strlcat(proctitle, *args, argslen + 1);
369	>	sg_strlcat(proctitle, " ", argslen + 1);
370	>	args++;
371	>	}
372	>	/* remove trailing space */
373	>	proctitle[strlen(proctitle)-1] = '\0';
374	>	proc_state_ptr->proctitle = proctitle;
375	>	}
376	>	else {
377	>	proc_state_ptr->proctitle = NULL;
378	>	}
379	>	}
380	>	else {
381	>	proc_state_ptr->proctitle = NULL;
382	>	}
383	>	#endif
384	>
385	>	#ifdef FREEBSD5
386	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
387	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
388	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
389	>	#else
390	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
391	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
392	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
393	>	#endif
394	>
395	>	#ifdef FREEBSD5
396	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
397	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
398	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
399	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
400	>	#elif defined(DFBSD)
401	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
402	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
403	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
404	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
405	>	#else
406	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
407	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
408	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
409	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
410	>	#endif
411	>
412	>	#ifdef FREEBSD5
413	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
414	>	/* This is in pages */
415	>	proc_state_ptr->proc_resident =
416	>	kp_stats[i].ki_rssize * getpagesize();
417	>	/* This is in microseconds */
418	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
419	>	proc_state_ptr->cpu_percent =
420	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
421	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
422	>	#else
423	>	proc_state_ptr->proc_size =
424	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
425	>	/* This is in pages */
426	>	proc_state_ptr->proc_resident =
427	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
428	>	#if defined(NETBSD) || defined(OPENBSD)
429	>	proc_state_ptr->time_spent =
430	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
431	>	#elif defined(DFBSD)
432	>	proc_state_ptr->time_spent =
433	>	( kp_stats[i].kp_thread.td_uticks +
434	>	kp_stats[i].kp_thread.td_sticks +
435	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
436	>	#else
437	>	/* This is in microseconds */
438	>	proc_state_ptr->time_spent =
439	>	kp_stats[i].kp_proc.p_runtime / 1000000;
440	>	#endif
441	>	proc_state_ptr->cpu_percent =
442	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
443	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
444	>	#endif
445	>
446	>	#ifdef FREEBSD5
447	>	switch (kp_stats[i].ki_stat) {
448	>	#else
449	>	switch (kp_stats[i].kp_proc.p_stat) {
450	>	#endif
451	>	case SIDL:
452	>	case SRUN:
453	>	#ifdef SONPROC
454	>	case SONPROC: /* NetBSD */
455	>	#endif
456	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
457	>	break;
458	>	case SSLEEP:
459	>	#ifdef SWAIT
460	>	case SWAIT: /* FreeBSD 5 */
461	>	#endif
462	>	#ifdef SLOCK
463	>	case SLOCK: /* FreeBSD 5 */
464	>	#endif
465	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
466	>	break;
467	>	case SSTOP:
468	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
469	>	break;
470	>	case SZOMB:
471	>	#ifdef SDEAD
472	>	case SDEAD: /* OpenBSD & NetBSD */
473	>	#endif
474	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
475	>	break;
476	>	default:
477	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
478	>	break;
479	>	}
480	>	proc_state_size++;
481	>	}
482	>
483	>	free(kp_stats);
484	>	#endif
485	>
486	>	#ifdef CYGWIN
487	>	return NULL;
488	>	#endif
489	>
490	>	*entries = proc_state_size;
491	>	return proc_state;
492		}
493
494	+	sg_process_count *sg_get_process_count() {
495	+	static sg_process_count process_stat;
496	+	sg_process_stats *ps;
497	+	int ps_size, x;
498	+
499	+	process_stat.sleeping = 0;
500	+	process_stat.running = 0;
501	+	process_stat.zombie = 0;
502	+	process_stat.stopped = 0;
503	+	process_stat.total = 0;
504	+
505	+	ps = sg_get_process_stats(&ps_size);
506	+	if (ps == NULL) {
507	+	return NULL;
508	+	}
509	+
510	+	for(x = 0; x < ps_size; x++) {
511	+	switch (ps->state) {
512	+	case SG_PROCESS_STATE_RUNNING:
513	+	process_stat.running++;
514	+	break;
515	+	case SG_PROCESS_STATE_SLEEPING:
516	+	process_stat.sleeping++;
517	+	break;
518	+	case SG_PROCESS_STATE_STOPPED:
519	+	process_stat.stopped++;
520	+	break;
521	+	case SG_PROCESS_STATE_ZOMBIE:
522	+	process_stat.zombie++;
523	+	break;
524	+	default:
525	+	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
526	+	* sg_process_count */
527	+	break;
528	+	}
529	+	ps++;
530	+	}
531	+
532	+	process_stat.total = ps_size;
533	+
534	+	return &process_stat;
535	+	}

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