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--- src/stats-bsd.c.orig Mon Dec 18 14:32:19 2000
+++ src/stats-bsd.c Sat Dec 30 03:26:15 2000
@@ -12,57 +12,153 @@
/* System includes */
#include <stdio.h>
#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <kvm.h>
#include <syslog.h>
#include <sys/time.h>
#include <sys/param.h>
#include <sys/sysctl.h>
+#include <sys/dkstat.h>
+#include <devstat.h>
#include <sys/utsname.h>
/**
* @desc Get statistics
*/
void getstats(unsigned long *puptime, double *pload, int *pidle, char *os, char *oslevel, char *cpu) {
- struct utsname uts;
- struct timeval boottime;
- time_t now;
size_t size;
- double loadavgs[2];
- int mib[2];
+ int mib [2];
+
+ { /* ========== uptime ========== */
+ static struct timeval boottime;
+ static int initialized = 0;
+
+ if (!initialized) {
+ initialized = 1;
+
+ mib [0] = CTL_KERN;
+ mib [1] = KERN_BOOTTIME;
+
+ size = sizeof (boottime);
- /* Get uptime */
- time(&now);
- mib[0] = CTL_KERN;
- mib[1] = KERN_BOOTTIME;
- size = sizeof(boottime);
- if(sysctl(mib, 2, &boottime, &size, NULL, 0) != -1 && (boottime.tv_sec != 0)) {
- *puptime = now - boottime.tv_sec;
- *puptime /= 60;
- }
-
- if(cfg_sendload) {
- /* Get load average */
- getloadavg(loadavgs, 3);
- /* Use the 3rd element (15 minute load average) */
- *pload = loadavgs[2];
+ if (sysctl (mib, 2, &boottime, &size, NULL, 0) == -1)
+ err (1, "sysctl: kern.boottime");
}
- if(cfg_sendos) {
- /* Get os info */
- uname(&uts);
+ if (boottime.tv_sec) {
+ time_t now;
+
+ time (&now);
+
+ *puptime = (now - boottime.tv_sec) / 60;
+ }
+ }
+
+ if (cfg_sendidle) { /* ========== idle_time ========== */
+ static kvm_t *kp;
+ static struct nlist namelist [] = {
+#define X_CP_TIME 0
+ { "_cp_time" },
+ { NULL },
+ };
+ static int initialized = 0;
+
+ if (!initialized) {
+ char errbuf [_POSIX2_LINE_MAX];
+ initialized = 1;
+
+ setgid (getgid ());
+
+ kp = kvm_openfiles (NULL, NULL, NULL, O_RDONLY, errbuf);
+
+ if (!kp)
+ warn ("kvm_openfiles: %s", errbuf);
+ else if (kvm_nlist (kp, namelist) == -1)
+ warn ("kvm_nlist: %s", kvm_geterr (kp));
+ }
+
+ if (kp) {
+ long ctime [CPUSTATES];
+ static long stime [CPUSTATES];
+ static int first_time = 1;
+
+ if (first_time) {
+ first_time = 0;
+
+ if (kvm_read (kp, namelist [X_CP_TIME].n_value,
+ stime, sizeof (stime)) == -1)
+ warn ("kvm_read: %s", kvm_geterr (kp));
+ else
+ sleep (1); /* to avoid the initial 0 idle value */
}
- if(cfg_sendcpu) {
- /* Get CPU info */
- mib[0] = CTL_HW;
- mib[1] = HW_MODEL;
- size = CPU_SIZE;
- sysctl(mib, 2, cpu, &size, NULL, 0);
+ if (kvm_read(kp, namelist [X_CP_TIME].n_value,
+ ctime, sizeof (ctime)) == -1)
+ warn ("kvm_read: %s", kvm_geterr (kp));
+ else {
+ int state;
+ double time = 0.;
+
+ for (state = 0; state < CPUSTATES; state++)
+ time += ctime [state] - stime [state];
+
+ if (time == 0.)
+ time = 1.;
+
+ *pidle = (ctime [CP_IDLE] - stime [CP_IDLE]) * 100. / time;
+
+ for (state = 0; state < CPUSTATES; state++)
+ stime [state] = ctime [state];
+ }
+ } else
+ cfg_sendidle = 0;
+ }
+
+ if (cfg_sendload) { /* ========== loadavg ========== */
+ double loadavgs [3] = { 0. };
+
+ getloadavg (loadavgs, 3);
+
+ *pload = loadavgs [2];
+ }
+
+ if (cfg_sendcpu) { /* ========== cpu ========== */
+ static char buf [CPU_SIZE] = "";
+ static int initialized = 0;
+
+ if (!initialized) {
+ initialized = 1;
+
+ mib [0] = CTL_HW;
+ mib [1] = HW_MODEL;
+
+ size = sizeof (buf);
+
+ if (sysctl (mib, 2, buf, &size, NULL, 0) == -1)
+ warn ("sysctl: hw.model");
+ }
+
+ strncpy (cpu, buf, CPU_SIZE);
+ cpu [CPU_SIZE - 1] = 0;
}
if(cfg_sendos) {
- strncpy(os, uts.sysname, OS_SIZE - 1);
- if(cfg_sendoslevel) {
- strncpy(oslevel, uts.release, OSLEVEL_SIZE - 1);
+ static struct utsname uts;
+ static int initialized = 0;
+
+ if (!initialized) {
+ initialized = 1;
+
+ uname(&uts);
+ }
+
+ strncpy (os, uts.sysname, OS_SIZE - 1);
+ os [OS_SIZE - 1] = 0;
+
+ if (cfg_sendoslevel) {
+ strncpy (oslevel, uts.release, OSLEVEL_SIZE - 1);
+ oslevel [OSLEVEL_SIZE - 1] = 0;
}
}
}
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