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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 1.22 by tdb, Mon Feb 16 14:55:32 2004 UTC vs.
Revision 1.23 by pajs, Sun Mar 28 18:04:14 2004 UTC

#	Line 34 | Line 34
34		#include <string.h>
35		#endif
36
37	–	#include "tools.h"
37		#ifdef SOLARIS
38		#include <procfs.h>
39		#include <limits.h>
#	Line 57 | Line 56
56		#endif
57		#endif
58
59	<	process_stat_t *get_process_stats(){
60	<
61	<	static process_stat_t process_stat;
62	<
63	<	#if defined(SOLARIS) || defined(LINUX)
64	<	DIR *proc_dir;
65	<	struct dirent *dir_entry;
66	<	char filename[MAX_FILE_LENGTH];
67	<	FILE *f;
69	<	#endif
70	<	#ifdef LINUX
71	<	char *line_ptr;
72	<	#endif
73	<	#ifdef SOLARIS
59	>	int get_proc_snapshot(proc_state_t **ps){
60	>	proc_state_t *proc_state = NULL;
61	>	proc_state_t *proc_state_ptr;
62	>	int proc_state_size = 0;
63	>	#if defined(SOLARIS)
64	>	DIR *proc_dir;
65	>	struct dirent *dir_entry;
66	>	char filename[MAX_FILE_LENGTH];
67	>	FILE *f;
68		psinfo_t process_info;
75	–	#endif
76	–	#ifdef ALLBSD
77	–	int mib[3];
78	–	size_t size;
79	–	struct kinfo_proc *kp_stats;
80	–	int procs, i;
81	–	#endif
69
70	<	process_stat.sleeping=0;
71	<	process_stat.running=0;
72	<	process_stat.zombie=0;
86	<	process_stat.stopped=0;
87	<	process_stat.total=0;
70	>	if((proc_dir=opendir(PROC_LOCATION))==NULL){
71	>	return NULL;
72	>	}
73
74	<	#if defined(SOLARIS) || defined(LINUX)
75	<	if((proc_dir=opendir(PROC_LOCATION))==NULL){
91	<	return NULL;
92	<	}
74	>	while((dir_entry=readdir(proc_dir))!=NULL){
75	>	if(atoi(dir_entry->d_name) == 0) continue;
76
77	<	while((dir_entry=readdir(proc_dir))!=NULL){
95	<	if(atoi(dir_entry->d_name) == 0) continue;
77	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
78
79	<	#ifdef SOLARIS
80	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
81	<	#endif
82	<	#ifdef LINUX
83	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
84	<	#endif
79	>	if((f=fopen(filename, "r"))==NULL){
80	>	/* Open failed.. Process since vanished, or the path was too long.
81	>	* Ah well, move onwards to the next one */
82	>	continue;
83	>	}
84	>	fread(&process_info, sizeof(psinfo_t), 1, f);
85
86	<	if((f=fopen(filename, "r"))==NULL){
105	<	/* Open failed.. Process since vanished, or the path was too long.
106	<	* Ah well, move onwards to the next one */
107	<	continue;
108	<	}
86	>	proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t));
87
88	<	#ifdef SOLARIS
89	<	fread(&process_info, sizeof(psinfo_t), 1, f);
90	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
91	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
92	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
93	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
94	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
95	<	#endif
96	<	#ifdef LINUX
97	<	if((line_ptr=f_read_line(f, "State:"))==NULL){
98	<	fclose(f);
99	<	continue;
100	<	}
101	<	if((line_ptr=strchr(line_ptr, '\t'))==NULL){
102	<	fclose(f);
125	<	continue;
126	<	}
127	<	line_ptr++;
128	<	if(line_ptr=='\0'){
129	<	fclose(f);
130	<	continue;
131	<	}
88	>	proc_state_ptr = proc_state+proc_state_size;
89	>
90	>	proc_state_ptr->pid = process_info.pr_pid;
91	>	proc_state_ptr->parent = process_info.pr_ppid;
92	>	proc_state_ptr->pgid = process_info.pr_pgid;
93	>	proc_state_ptr->uid = process_info.pr_uid;
94	>	proc_state_ptr->euid = process_info.pr_euid;
95	>	proc_state_ptr->gid = process_info.pr_gid;
96	>	proc_state_ptr->egid = process_info.pr_egid;
97	>	proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
98	>	proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
99	>	proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
100	>	proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
101	>	proc_state_ptr->process_name = strdup(process_info.pr_fname);
102	>	proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
103
104	<	if(*line_ptr=='S') process_stat.sleeping++;
134	<	if(*line_ptr=='R') process_stat.running++;
135	<	if(*line_ptr=='Z') process_stat.zombie++;
136	<	if(*line_ptr=='T') process_stat.stopped++;
137	<	if(*line_ptr=='D') process_stat.stopped++;
138	<	#endif
139	<
140	<	fclose(f);
141	<	}
142	<	closedir(proc_dir);
104	>	proc_state_size++;
105		#endif
144	–	#ifdef ALLBSD
145	–	mib[0] = CTL_KERN;
146	–	mib[1] = KERN_PROC;
147	–	mib[2] = KERN_PROC_ALL;
106
149	–	if (sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
150	–	return NULL;
151	–	}
152	–
153	–	procs = size / sizeof(struct kinfo_proc);
107
108	<	kp_stats = malloc(size);
109	<	if (kp_stats == NULL) {
110	<	return NULL;
111	<	}
159	<
160	<	if (sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
161	<	free(kp_stats);
162	<	return NULL;
163	<	}
108	>	fclose(f);
109	>	}
110	>	closedir(proc_dir);
111	>	*ps = proc_state;
112
113	<	for (i = 0; i < procs; i++) {
166	<	#ifdef FREEBSD5
167	<	switch (kp_stats[i].ki_stat) {
168	<	#else
169	<	switch (kp_stats[i].kp_proc.p_stat) {
170	<	#endif
171	<	case SIDL:
172	<	case SRUN:
173	<	#ifdef SONPROC
174	<	case SONPROC: /* NetBSD */
175	<	#endif
176	<	process_stat.running++;
177	<	break;
178	<	case SSLEEP:
179	<	#ifdef SWAIT
180	<	case SWAIT: /* FreeBSD 5 */
181	<	#endif
182	<	#ifdef SLOCK
183	<	case SLOCK: /* FreeBSD 5 */
184	<	#endif
185	<	process_stat.sleeping++;
186	<	break;
187	<	case SSTOP:
188	<	process_stat.stopped++;
189	<	break;
190	<	case SZOMB:
191	<	#ifdef SDEAD
192	<	case SDEAD: /* OpenBSD & NetBSD */
193	<	#endif
194	<	process_stat.zombie++;
195	<	break;
196	<	}
197	<	}
198	<
199	<	free(kp_stats);
200	<	#endif
201	<
202	<	#ifdef CYGWIN
203	<	return NULL;
204	<	#endif
205	<
206	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
207	<
208	<	return &process_stat;
113	>	return proc_state_size;
114		}
115	+

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