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root/i-scream/projects/cms/source/ihost/libstatgrab/cpu_stats.c

Comparing projects/cms/source/ihost/libstatgrab/cpu_stats.c (file contents):
Revision 1.1 by pajs, Mon May 13 17:10:09 2002 UTC vs.
Revision 1.5 by tdb, Wed May 29 19:41:59 2002 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* http://www.i-scream.org.uk
4	+	* Copyright (C) 2000-2002 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.
10	+	*
11	+	* This program 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.
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.
19	+	*/
20	+
21	+	#ifdef HAVE_CONFIG_H
22	+	#include "config.h"
23	+	#endif
24	+
25		#include <stdio.h>
26	<	#include <local/ukcprog.h>
26	>	#include <ukcprog.h>
27		#include <unistd.h>
28	<
28	>	#ifdef SOLARIS
29	>	#include <kstat.h>
30	>	#include <sys/sysinfo.h>
31	>	#endif
32	>	#ifdef FREEBSD
33	>	#include <sys/sysctl.h>
34	>	#include <sys/dkstat.h>
35	>	#endif
36		#define WAIT_TIME_IN_SECS 1
37		char *get_cpu_stats(){
38	<	double u_p, i_p, k_p;
38	>	char *xml_cpu_stats;
39	>	double u_p=0.00;
40	>	double i_p=0.00;
41	>	double k_p=0.00;
42	>	double io_p=0.00;
43	>	double s_p=0.00;
44		#ifdef LINUX
45		long total, user, idle, kernel, nice;
46		long cpu_states[4][2];
47		FILE *f;
48		#endif
49	+	#ifdef SOLARIS
50	+	kstat_ctl_t *kc;
51	+	kstat_t *ksp;
52	+	uint_t cpu_states[5][2];
53	+	uint_t user, kernel, idle, iowait, swap, total;
54	+	cpu_stat_t cs;
55	+
56	+	#endif
57	+	#ifdef FREEBSD
58	+	long cp_time[CPUSTATES];
59	+	long total, user, idle, kernel, nice;
60	+	size_t size;
61	+	#endif
62
63		#ifdef LINUX
64		if ((f=fopen("/proc/stat", "r" ))==NULL) {
#	Line 54 | Line 103 | char *get_cpu_stats(){
103		i_p=((double)idle/(double)total)*100.00;
104
105		#endif
106	+	#ifdef SOLARIS
107	+	if ((kc = kstat_open()) == NULL) {
108	+	errf("kstat_open failure (%m)");
109	+	return NULL;
110	+	}
111	+	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
112	+	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
113	+	if (kstat_read(kc, ksp, &cs) == -1) {
114	+	errf("kstat read failure");
115	+	continue;
116	+	}
117	+	}
118	+	cpu_states[0][0]=cs.cpu_sysinfo.cpu[CPU_USER];
119	+	cpu_states[1][0]=cs.cpu_sysinfo.cpu[CPU_WAIT];
120	+	cpu_states[2][0]=cs.cpu_sysinfo.cpu[CPU_KERNEL];
121	+	cpu_states[3][0]=cs.cpu_sysinfo.cpu[CPU_IDLE];
122	+	cpu_states[4][0]=cs.cpu_sysinfo.cpu[CPU_STATES];
123	+
124	+	sleep(WAIT_TIME_IN_SECS);
125
126	<	return "jibble";
127	<	}
126	>	if (kstat_chain_update(kc) == -1) {
127	>	errf("Kstat update failure (%m)");
128	>	return NULL;
129	>	}
130	>	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
131	>	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
132	>	if (kstat_read(kc, ksp, &cs) == -1) {
133	>	errf("kstat read failure");
134	>	continue;
135	>	}
136	>	}
137	>	cpu_states[0][1]=cs.cpu_sysinfo.cpu[CPU_USER];
138	>	cpu_states[1][1]=cs.cpu_sysinfo.cpu[CPU_WAIT];
139	>	cpu_states[2][1]=cs.cpu_sysinfo.cpu[CPU_KERNEL];
140	>	cpu_states[3][1]=cs.cpu_sysinfo.cpu[CPU_IDLE];
141	>	cpu_states[4][1]=cs.cpu_sysinfo.cpu[CPU_STATES];
142
143	<	int main(){
144	<	get_cpu_stats();
145	<	exit(0);
143	>	if((kstat_close(kc)) != 0){
144	>	errf("Failed to close kstat control structure (%m)");
145	>	return NULL;
146	>	}
147	>
148	>	user=cpu_states[0][1]-cpu_states[0][0];
149	>	iowait=cpu_states[1][1]-cpu_states[1][0];
150	>	kernel=cpu_states[2][1]-cpu_states[2][0];
151	>	idle=cpu_states[3][1]-cpu_states[3][0];
152	>	swap=cpu_states[4][1]-cpu_states[4][0];
153	>	total=user+kernel+idle+iowait+swap;
154	>
155	>	u_p=((double)user/(double)total)*100.00;
156	>	k_p=((double)kernel/(double)total)*100.00;
157	>	i_p=((double)idle/(double)total)*100.00;
158	>	io_p=((double)iowait/(double)total)*100.00;
159	>	s_p=((double)swap/(double)total)*100.00;
160	>
161	>	#endif
162	>	#ifdef FREEBSD
163	>
164	>	#define CPU_STAT_NAME "kern.cp_time"
165	>
166	>	if (sysctlbyname(CPU_STAT_NAME, NULL, &size, NULL, NULL) < 0){
167	>	errf("sysctrlbyname failed (%m)");
168	>	return NULL;
169	>	}
170	>	if (sysctlbyname(CPU_STAT_NAME, &cp_time, &size, NULL, NULL) < 0){
171	>	errf("Failed to get cpu stats (%m)");
172	>	return NULL;
173	>	}
174	>
175	>	user=cp_time[CP_USER];
176	>	nice=cp_time[CP_NICE];
177	>	kernel=cp_time[CP_SYS];
178	>	idle=cp_time[CP_IDLE];
179	>
180	>	sleep(WAIT_TIME_IN_SECS);
181	>
182	>	if (sysctlbyname(CPU_STAT_NAME, &cp_time, &size, NULL, NULL) < 0){
183	>	errf("Failed to get cpu stats (%m)");
184	>	return NULL;
185	>	}
186	>
187	>	user=cp_time[CP_USER]-user;
188	>	nice=cp_time[CP_NICE]-nice;
189	>	kernel=cp_time[CP_SYS]-kernel;
190	>	idle=cp_time[CP_IDLE]-idle;
191	>	total=user+nice+kernel+idle;
192	>
193	>	u_p=((float)(user+nice)/(float)total)*100.0;
194	>	k_p=((float)(kernel)/(float)total)*100.0;
195	>	i_p=((float)(idle)/(float)total)*100.0;
196	>
197	>	#endif
198	>
199	>
200	>	if((xml_cpu_stats=strf("<cpu><user>%3.2f</user><kernel>%3.2f</kernel><idle>%3.2f</idle><iowait>%3.2f</iowait><swap>%3.2f</swap></cpu>", u_p, k_p, i_p, io_p, s_p)) == NULL){
201	>	errf("strf failed (%m)");
202	>	return NULL;
203	>	}
204	>
205	>	return xml_cpu_stats;
206		}
207	+

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