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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 1.2 by pajs, Tue May 14 12:01:16 2002 UTC

#	Line 1 | Line 1
1		#include <stdio.h>
2	<	#include <local/ukcprog.h>
2	>	#include <ukcprog.h>
3		#include <unistd.h>
4	<
4	>	#ifdef SOLARIS
5	>	#include <kstat.h>
6	>	#include <sys/sysinfo.h>
7	>	#endif
8	>	#ifdef FREEBSD
9	>	#include <sys/sysctl.h>
10	>	#include <sys/dkstat.h>
11	>	#endif
12		#define WAIT_TIME_IN_SECS 1
13		char *get_cpu_stats(){
14	<	double u_p, i_p, k_p;
14	>	char *xml_cpu_stats;
15	>	double u_p=0.00;
16	>	double i_p=0.00;
17	>	double k_p=0.00;
18	>	double io_p=0.00;
19	>	double s_p=0.00;
20		#ifdef LINUX
21		long total, user, idle, kernel, nice;
22		long cpu_states[4][2];
23		FILE *f;
24		#endif
25	+	#ifdef SOLARIS
26	+	kstat_ctl_t *kc;
27	+	kstat_t *ksp;
28	+	uint_t cpu_states[5][2];
29	+	uint_t user, kernel, idle, iowait, swap, total;
30	+	cpu_stat_t cs;
31	+
32	+	#endif
33	+	#ifdef FREEBSD
34	+	long cp_time[CPUSTATES];
35	+	long total, user, idle, kernel, nice;
36	+	size_t size;
37	+	#endif
38
39		#ifdef LINUX
40		if ((f=fopen("/proc/stat", "r" ))==NULL) {
#	Line 54 | Line 79 | char *get_cpu_stats(){
79		i_p=((double)idle/(double)total)*100.00;
80
81		#endif
82	+	#ifdef SOLARIS
83	+	if ((kc = kstat_open()) == NULL) {
84	+	errf("kstat_open failure (%m)");
85	+	return NULL;
86	+	}
87	+	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
88	+	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
89	+	if (kstat_read(kc, ksp, &cs) == -1) {
90	+	errf("kstat read failure");
91	+	continue;
92	+	}
93	+	}
94	+	cpu_states[0][0]=cs.cpu_sysinfo.cpu[CPU_USER];
95	+	cpu_states[1][0]=cs.cpu_sysinfo.cpu[CPU_WAIT];
96	+	cpu_states[2][0]=cs.cpu_sysinfo.cpu[CPU_KERNEL];
97	+	cpu_states[3][0]=cs.cpu_sysinfo.cpu[CPU_IDLE];
98	+	cpu_states[4][0]=cs.cpu_sysinfo.cpu[CPU_STATES];
99	+
100	+	sleep(WAIT_TIME_IN_SECS);
101
102	<	return "jibble";
103	<	}
102	>	if (kstat_chain_update(kc) == -1) {
103	>	errf("Kstat update 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][1]=cs.cpu_sysinfo.cpu[CPU_USER];
114	>	cpu_states[1][1]=cs.cpu_sysinfo.cpu[CPU_WAIT];
115	>	cpu_states[2][1]=cs.cpu_sysinfo.cpu[CPU_KERNEL];
116	>	cpu_states[3][1]=cs.cpu_sysinfo.cpu[CPU_IDLE];
117	>	cpu_states[4][1]=cs.cpu_sysinfo.cpu[CPU_STATES];
118
119	<	int main(){
120	<	get_cpu_stats();
121	<	exit(0);
119	>	if((kstat_close(kc)) != 0){
120	>	errf("Failed to close kstat control structure (%m)");
121	>	return NULL;
122	>	}
123	>
124	>	user=cpu_states[0][1]-cpu_states[0][0];
125	>	iowait=cpu_states[1][1]-cpu_states[1][0];
126	>	kernel=cpu_states[2][1]-cpu_states[2][0];
127	>	idle=cpu_states[3][1]-cpu_states[3][0];
128	>	swap=cpu_states[4][1]-cpu_states[4][0];
129	>	total=user+kernel+idle+iowait+swap;
130	>
131	>	u_p=((double)user/(double)total)*100.00;
132	>	k_p=((double)kernel/(double)total)*100.00;
133	>	i_p=((double)idle/(double)total)*100.00;
134	>	io_p=((double)iowait/(double)total)*100.00;
135	>	s_p=((double)swap/(double)total)*100.00;
136	>
137	>	#endif
138	>	#ifdef FREEBSD
139	>
140	>	#define CPU_STAT_NAME "kern.cp_time"
141	>
142	>	if (sysctlbyname(CPU_STAT_NAME, NULL, &size, NULL, NULL) < 0){
143	>	errf("sysctrlbyname failed (%m)");
144	>	return NULL;
145	>	}
146	>	if (sysctlbyname(CPU_STAT_NAME, &cp_time, &size, NULL, NULL) < 0){
147	>	errf("Failed to get cpu stats (%m)");
148	>	return NULL;
149	>	}
150	>
151	>	user=cp_time[CP_USER];
152	>	nice=cp_time[CP_NICE];
153	>	kernel=cp_time[CP_SYS];
154	>	idle=cp_time[CP_IDLE];
155	>
156	>	sleep(WAIT_TIME_IN_SECS);
157	>
158	>	if (sysctlbyname(CPU_STAT_NAME, &cp_time, &size, NULL, NULL) < 0){
159	>	errf("Failed to get cpu stats (%m)");
160	>	return NULL;
161	>	}
162	>
163	>	user=cp_time[CP_USER]-user;
164	>	nice=cp_time[CP_NICE]-nice;
165	>	kernel=cp_time[CP_SYS]-kernel;
166	>	idle=cp_time[CP_IDLE]-idle;
167	>	total=user+nice+kernel+idle;
168	>
169	>	u_p=((float)(user+nice)/(float)total)*100.0;
170	>	k_p=((float)(kernel)/(float)total)*100.0;
171	>	i_p=((float)(idle)/(float)total)*100.0;
172	>
173	>	#endif
174	>
175	>
176	>	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){
177	>	errf("strf failed (%m)");
178	>	return NULL;
179	>	}
180	>
181	>	return xml_cpu_stats;
182		}
183	+

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