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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 1.4 by tdb, Tue May 21 16:47:12 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		#include <stdio.h>
22	<	#include <local/ukcprog.h>
22	>	#include <ukcprog.h>
23		#include <unistd.h>
24	<
24	>	#ifdef SOLARIS
25	>	#include <kstat.h>
26	>	#include <sys/sysinfo.h>
27	>	#endif
28	>	#ifdef FREEBSD
29	>	#include <sys/sysctl.h>
30	>	#include <sys/dkstat.h>
31	>	#endif
32		#define WAIT_TIME_IN_SECS 1
33		char *get_cpu_stats(){
34	<	double u_p, i_p, k_p;
34	>	char *xml_cpu_stats;
35	>	double u_p=0.00;
36	>	double i_p=0.00;
37	>	double k_p=0.00;
38	>	double io_p=0.00;
39	>	double s_p=0.00;
40		#ifdef LINUX
41		long total, user, idle, kernel, nice;
42		long cpu_states[4][2];
43		FILE *f;
44		#endif
45	+	#ifdef SOLARIS
46	+	kstat_ctl_t *kc;
47	+	kstat_t *ksp;
48	+	uint_t cpu_states[5][2];
49	+	uint_t user, kernel, idle, iowait, swap, total;
50	+	cpu_stat_t cs;
51	+
52	+	#endif
53	+	#ifdef FREEBSD
54	+	long cp_time[CPUSTATES];
55	+	long total, user, idle, kernel, nice;
56	+	size_t size;
57	+	#endif
58
59		#ifdef LINUX
60		if ((f=fopen("/proc/stat", "r" ))==NULL) {
#	Line 54 | Line 99 | char *get_cpu_stats(){
99		i_p=((double)idle/(double)total)*100.00;
100
101		#endif
102	+	#ifdef SOLARIS
103	+	if ((kc = kstat_open()) == NULL) {
104	+	errf("kstat_open failure (%m)");
105	+	return NULL;
106	+	}
107	+	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
108	+	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
109	+	if (kstat_read(kc, ksp, &cs) == -1) {
110	+	errf("kstat read failure");
111	+	continue;
112	+	}
113	+	}
114	+	cpu_states[0][0]=cs.cpu_sysinfo.cpu[CPU_USER];
115	+	cpu_states[1][0]=cs.cpu_sysinfo.cpu[CPU_WAIT];
116	+	cpu_states[2][0]=cs.cpu_sysinfo.cpu[CPU_KERNEL];
117	+	cpu_states[3][0]=cs.cpu_sysinfo.cpu[CPU_IDLE];
118	+	cpu_states[4][0]=cs.cpu_sysinfo.cpu[CPU_STATES];
119	+
120	+	sleep(WAIT_TIME_IN_SECS);
121
122	<	return "jibble";
123	<	}
122	>	if (kstat_chain_update(kc) == -1) {
123	>	errf("Kstat update failure (%m)");
124	>	return NULL;
125	>	}
126	>	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
127	>	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
128	>	if (kstat_read(kc, ksp, &cs) == -1) {
129	>	errf("kstat read failure");
130	>	continue;
131	>	}
132	>	}
133	>	cpu_states[0][1]=cs.cpu_sysinfo.cpu[CPU_USER];
134	>	cpu_states[1][1]=cs.cpu_sysinfo.cpu[CPU_WAIT];
135	>	cpu_states[2][1]=cs.cpu_sysinfo.cpu[CPU_KERNEL];
136	>	cpu_states[3][1]=cs.cpu_sysinfo.cpu[CPU_IDLE];
137	>	cpu_states[4][1]=cs.cpu_sysinfo.cpu[CPU_STATES];
138
139	<	int main(){
140	<	get_cpu_stats();
141	<	exit(0);
139	>	if((kstat_close(kc)) != 0){
140	>	errf("Failed to close kstat control structure (%m)");
141	>	return NULL;
142	>	}
143	>
144	>	user=cpu_states[0][1]-cpu_states[0][0];
145	>	iowait=cpu_states[1][1]-cpu_states[1][0];
146	>	kernel=cpu_states[2][1]-cpu_states[2][0];
147	>	idle=cpu_states[3][1]-cpu_states[3][0];
148	>	swap=cpu_states[4][1]-cpu_states[4][0];
149	>	total=user+kernel+idle+iowait+swap;
150	>
151	>	u_p=((double)user/(double)total)*100.00;
152	>	k_p=((double)kernel/(double)total)*100.00;
153	>	i_p=((double)idle/(double)total)*100.00;
154	>	io_p=((double)iowait/(double)total)*100.00;
155	>	s_p=((double)swap/(double)total)*100.00;
156	>
157	>	#endif
158	>	#ifdef FREEBSD
159	>
160	>	#define CPU_STAT_NAME "kern.cp_time"
161	>
162	>	if (sysctlbyname(CPU_STAT_NAME, NULL, &size, NULL, NULL) < 0){
163	>	errf("sysctrlbyname failed (%m)");
164	>	return NULL;
165	>	}
166	>	if (sysctlbyname(CPU_STAT_NAME, &cp_time, &size, NULL, NULL) < 0){
167	>	errf("Failed to get cpu stats (%m)");
168	>	return NULL;
169	>	}
170	>
171	>	user=cp_time[CP_USER];
172	>	nice=cp_time[CP_NICE];
173	>	kernel=cp_time[CP_SYS];
174	>	idle=cp_time[CP_IDLE];
175	>
176	>	sleep(WAIT_TIME_IN_SECS);
177	>
178	>	if (sysctlbyname(CPU_STAT_NAME, &cp_time, &size, NULL, NULL) < 0){
179	>	errf("Failed to get cpu stats (%m)");
180	>	return NULL;
181	>	}
182	>
183	>	user=cp_time[CP_USER]-user;
184	>	nice=cp_time[CP_NICE]-nice;
185	>	kernel=cp_time[CP_SYS]-kernel;
186	>	idle=cp_time[CP_IDLE]-idle;
187	>	total=user+nice+kernel+idle;
188	>
189	>	u_p=((float)(user+nice)/(float)total)*100.0;
190	>	k_p=((float)(kernel)/(float)total)*100.0;
191	>	i_p=((float)(idle)/(float)total)*100.0;
192	>
193	>	#endif
194	>
195	>
196	>	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){
197	>	errf("strf failed (%m)");
198	>	return NULL;
199	>	}
200	>
201	>	return xml_cpu_stats;
202		}
203	+

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