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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 1.3 by tdb, Sat May 18 18:15:56 2002 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* Copyright (C) 2000-2002 i-scream
4	+	*
5	+	* This program is free software; you can redistribute it and/or
6	+	* modify it under the terms of the GNU General Public License
7	+	* as published by the Free Software Foundation; either version 2
8	+	* of the License, or (at your option) any later version.
9	+	*
10	+	* This program is distributed in the hope that it will be useful,
11	+	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	+	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13	+	* GNU General Public License for more details.
14	+	*
15	+	* You should have received a copy of the GNU General Public License
16	+	* along with this program; if not, write to the Free Software
17	+	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18	+	*/
19	+
20		#include <stdio.h>
21	<	#include <local/ukcprog.h>
21	>	#include <ukcprog.h>
22		#include <unistd.h>
23	<
23	>	#ifdef SOLARIS
24	>	#include <kstat.h>
25	>	#include <sys/sysinfo.h>
26	>	#endif
27	>	#ifdef FREEBSD
28	>	#include <sys/sysctl.h>
29	>	#include <sys/dkstat.h>
30	>	#endif
31		#define WAIT_TIME_IN_SECS 1
32		char *get_cpu_stats(){
33	<	double u_p, i_p, k_p;
33	>	char *xml_cpu_stats;
34	>	double u_p=0.00;
35	>	double i_p=0.00;
36	>	double k_p=0.00;
37	>	double io_p=0.00;
38	>	double s_p=0.00;
39		#ifdef LINUX
40		long total, user, idle, kernel, nice;
41		long cpu_states[4][2];
42		FILE *f;
43		#endif
44	+	#ifdef SOLARIS
45	+	kstat_ctl_t *kc;
46	+	kstat_t *ksp;
47	+	uint_t cpu_states[5][2];
48	+	uint_t user, kernel, idle, iowait, swap, total;
49	+	cpu_stat_t cs;
50	+
51	+	#endif
52	+	#ifdef FREEBSD
53	+	long cp_time[CPUSTATES];
54	+	long total, user, idle, kernel, nice;
55	+	size_t size;
56	+	#endif
57
58		#ifdef LINUX
59		if ((f=fopen("/proc/stat", "r" ))==NULL) {
#	Line 54 | Line 98 | char *get_cpu_stats(){
98		i_p=((double)idle/(double)total)*100.00;
99
100		#endif
101	+	#ifdef SOLARIS
102	+	if ((kc = kstat_open()) == NULL) {
103	+	errf("kstat_open failure (%m)");
104	+	return NULL;
105	+	}
106	+	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
107	+	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
108	+	if (kstat_read(kc, ksp, &cs) == -1) {
109	+	errf("kstat read failure");
110	+	continue;
111	+	}
112	+	}
113	+	cpu_states[0][0]=cs.cpu_sysinfo.cpu[CPU_USER];
114	+	cpu_states[1][0]=cs.cpu_sysinfo.cpu[CPU_WAIT];
115	+	cpu_states[2][0]=cs.cpu_sysinfo.cpu[CPU_KERNEL];
116	+	cpu_states[3][0]=cs.cpu_sysinfo.cpu[CPU_IDLE];
117	+	cpu_states[4][0]=cs.cpu_sysinfo.cpu[CPU_STATES];
118	+
119	+	sleep(WAIT_TIME_IN_SECS);
120
121	<	return "jibble";
122	<	}
121	>	if (kstat_chain_update(kc) == -1) {
122	>	errf("Kstat update failure (%m)");
123	>	return NULL;
124	>	}
125	>	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
126	>	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
127	>	if (kstat_read(kc, ksp, &cs) == -1) {
128	>	errf("kstat read failure");
129	>	continue;
130	>	}
131	>	}
132	>	cpu_states[0][1]=cs.cpu_sysinfo.cpu[CPU_USER];
133	>	cpu_states[1][1]=cs.cpu_sysinfo.cpu[CPU_WAIT];
134	>	cpu_states[2][1]=cs.cpu_sysinfo.cpu[CPU_KERNEL];
135	>	cpu_states[3][1]=cs.cpu_sysinfo.cpu[CPU_IDLE];
136	>	cpu_states[4][1]=cs.cpu_sysinfo.cpu[CPU_STATES];
137
138	<	int main(){
139	<	get_cpu_stats();
140	<	exit(0);
138	>	if((kstat_close(kc)) != 0){
139	>	errf("Failed to close kstat control structure (%m)");
140	>	return NULL;
141	>	}
142	>
143	>	user=cpu_states[0][1]-cpu_states[0][0];
144	>	iowait=cpu_states[1][1]-cpu_states[1][0];
145	>	kernel=cpu_states[2][1]-cpu_states[2][0];
146	>	idle=cpu_states[3][1]-cpu_states[3][0];
147	>	swap=cpu_states[4][1]-cpu_states[4][0];
148	>	total=user+kernel+idle+iowait+swap;
149	>
150	>	u_p=((double)user/(double)total)*100.00;
151	>	k_p=((double)kernel/(double)total)*100.00;
152	>	i_p=((double)idle/(double)total)*100.00;
153	>	io_p=((double)iowait/(double)total)*100.00;
154	>	s_p=((double)swap/(double)total)*100.00;
155	>
156	>	#endif
157	>	#ifdef FREEBSD
158	>
159	>	#define CPU_STAT_NAME "kern.cp_time"
160	>
161	>	if (sysctlbyname(CPU_STAT_NAME, NULL, &size, NULL, NULL) < 0){
162	>	errf("sysctrlbyname failed (%m)");
163	>	return NULL;
164	>	}
165	>	if (sysctlbyname(CPU_STAT_NAME, &cp_time, &size, NULL, NULL) < 0){
166	>	errf("Failed to get cpu stats (%m)");
167	>	return NULL;
168	>	}
169	>
170	>	user=cp_time[CP_USER];
171	>	nice=cp_time[CP_NICE];
172	>	kernel=cp_time[CP_SYS];
173	>	idle=cp_time[CP_IDLE];
174	>
175	>	sleep(WAIT_TIME_IN_SECS);
176	>
177	>	if (sysctlbyname(CPU_STAT_NAME, &cp_time, &size, NULL, NULL) < 0){
178	>	errf("Failed to get cpu stats (%m)");
179	>	return NULL;
180	>	}
181	>
182	>	user=cp_time[CP_USER]-user;
183	>	nice=cp_time[CP_NICE]-nice;
184	>	kernel=cp_time[CP_SYS]-kernel;
185	>	idle=cp_time[CP_IDLE]-idle;
186	>	total=user+nice+kernel+idle;
187	>
188	>	u_p=((float)(user+nice)/(float)total)*100.0;
189	>	k_p=((float)(kernel)/(float)total)*100.0;
190	>	i_p=((float)(idle)/(float)total)*100.0;
191	>
192	>	#endif
193	>
194	>
195	>	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){
196	>	errf("strf failed (%m)");
197	>	return NULL;
198	>	}
199	>
200	>	return xml_cpu_stats;
201		}
202	+

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