void
updatestat(void)
{
int i, hz;
struct clockinfo clockrate;
struct vmmeter vmm;
size_t vmm_size = sizeof(vmm);
struct ifmibdata ifmd;
double avrun[3];
struct timeval tm, btm;
struct kinfo_cputime cp_time;
int mib[6];
size_t len;
int ifcount;
#ifdef DEBUG
fprintf(stderr, "entering updatestat\n");
#endif
if (sincelastreq >= closedown) {
#ifdef DEBUG
fprintf(stderr, "about to closedown\n");
#endif
if (from_inetd)
exit(0);
else {
stat_is_init = 0;
return;
}
}
sincelastreq++;
mib[0] = CTL_KERN;
mib[1] = KERN_CLOCKRATE;
len = sizeof clockrate;
if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
exit(1);
}
hz = clockrate.hz;
if (kinfo_get_sched_cputime(&cp_time)) {
syslog(LOG_ERR, "rstat: can't read cp_time from kmem");
exit(1);
}
stats_all.s1.cp_time[0] = cp_time.cp_user;
stats_all.s1.cp_time[1] = cp_time.cp_nice;
stats_all.s1.cp_time[2] = cp_time.cp_sys;
stats_all.s1.cp_time[3] = cp_time.cp_idle;
(void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
mib[0] = CTL_KERN;
mib[1] = KERN_BOOTTIME;
len = sizeof btm;
if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
syslog(LOG_ERR, "sysctl(kern.boottime): %m");
exit(1);
}
stats_all.s2.boottime.tv_sec = btm.tv_sec;
stats_all.s2.boottime.tv_usec = btm.tv_usec;
#ifdef DEBUG
fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
#endif
if (sysctlbyname("vm.vmmeter", &vmm, &vmm_size, NULL, 0)) {
syslog(LOG_ERR, "sysctlbyname: vm.vmmeter");
exit(1);
}
stats_all.s1.v_pgpgin = vmm.v_vnodepgsin;
stats_all.s1.v_pgpgout = vmm.v_vnodepgsout;
stats_all.s1.v_pswpin = vmm.v_swappgsin;
stats_all.s1.v_pswpout = vmm.v_swappgsout;
stats_all.s1.v_intr = vmm.v_intr;
gettimeofday(&tm, NULL);
stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
hz*(tm.tv_usec - btm.tv_usec)/1000000;
stats_all.s2.v_swtch = vmm.v_swtch;
/* update disk transfers */
updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);
mib[0] = CTL_NET;
mib[1] = PF_LINK;
mib[2] = NETLINK_GENERIC;
mib[3] = IFMIB_SYSTEM;
mib[4] = IFMIB_IFCOUNT;
len = sizeof ifcount;
if (sysctl(mib, 5, &ifcount, &len, 0, 0) < 0) {
syslog(LOG_ERR, "sysctl(net.link.generic.system.ifcount): %m");
exit(1);
}
stats_all.s1.if_ipackets = 0;
stats_all.s1.if_opackets = 0;
stats_all.s1.if_ierrors = 0;
stats_all.s1.if_oerrors = 0;
stats_all.s1.if_collisions = 0;
for (i = 1; i <= ifcount; i++) {
len = sizeof ifmd;
mib[3] = IFMIB_IFDATA;
mib[4] = i;
mib[5] = IFDATA_GENERAL;
if (sysctl(mib, 6, &ifmd, &len, 0, 0) < 0) {
syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
": %m", i);
exit(1);
}
stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
}
gettimeofday((struct timeval *)&stats_all.s3.curtime, NULL);
alarm(1);
}
void
updatestat(void)
{
int i, hz;
struct clockinfo clockrate;
struct vmmeter cnt;
struct ifmibdata ifmd;
double avrun[3];
struct timeval tm, btm;
int mib[6];
size_t len;
int ifcount;
#ifdef DEBUG
fprintf(stderr, "entering updatestat\n");
#endif
if (sincelastreq >= closedown) {
#ifdef DEBUG
fprintf(stderr, "about to closedown\n");
#endif
if (from_inetd)
exit(0);
else {
stat_is_init = 0;
return;
}
}
sincelastreq++;
mib[0] = CTL_KERN;
mib[1] = KERN_CLOCKRATE;
len = sizeof clockrate;
if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
exit(1);
}
hz = clockrate.hz;
len = sizeof(bsd_cp_time);
if (sysctlbyname("kern.cp_time", bsd_cp_time, &len, 0, 0) < 0) {
syslog(LOG_ERR, "sysctl(kern.cp_time): %m");
exit(1);
}
for(i = 0; i < RSTAT_CPUSTATES ; i++)
stats_all.s1.cp_time[i] = bsd_cp_time[cp_time_xlat[i]];
(void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
mib[0] = CTL_KERN;
mib[1] = KERN_BOOTTIME;
len = sizeof btm;
if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
syslog(LOG_ERR, "sysctl(kern.boottime): %m");
exit(1);
}
stats_all.s2.boottime.tv_sec = btm.tv_sec;
stats_all.s2.boottime.tv_usec = btm.tv_usec;
#ifdef DEBUG
fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
#endif
#define FETCH_CNT(stat, cnt) do { \
len = sizeof((stat)); \
if (sysctlbyname("vm.stats." #cnt , &(stat), &len, 0, 0) < 0) { \
syslog(LOG_ERR, "sysctl(vm.stats." #cnt "): %m"); \
exit(1); \
} \
} while (0)
FETCH_CNT(stats_all.s1.v_pgpgin, vm.v_vnodepgsin);
FETCH_CNT(stats_all.s1.v_pgpgout, vm.v_vnodepgsout);
FETCH_CNT(stats_all.s1.v_pswpin, vm.v_swappgsin);
FETCH_CNT(stats_all.s1.v_pswpout, vm.v_swappgsout);
FETCH_CNT(stats_all.s1.v_intr, sys.v_intr);
FETCH_CNT(stats_all.s2.v_swtch, sys.v_swtch);
(void)gettimeofday(&tm, NULL);
stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
hz*(tm.tv_usec - btm.tv_usec)/1000000;
/* update disk transfers */
updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);
mib[0] = CTL_NET;
mib[1] = PF_LINK;
mib[2] = NETLINK_GENERIC;
mib[3] = IFMIB_SYSTEM;
mib[4] = IFMIB_IFCOUNT;
len = sizeof ifcount;
if (sysctl(mib, 5, &ifcount, &len, 0, 0) < 0) {
syslog(LOG_ERR, "sysctl(net.link.generic.system.ifcount): %m");
exit(1);
}
stats_all.s1.if_ipackets = 0;
stats_all.s1.if_opackets = 0;
stats_all.s1.if_ierrors = 0;
stats_all.s1.if_oerrors = 0;
stats_all.s1.if_collisions = 0;
for (i = 1; i <= ifcount; i++) {
len = sizeof ifmd;
mib[3] = IFMIB_IFDATA;
mib[4] = i;
mib[5] = IFDATA_GENERAL;
if (sysctl(mib, 6, &ifmd, &len, 0, 0) < 0) {
if (errno == ENOENT)
continue;
syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
": %m", i);
exit(1);
}
stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
}
(void)gettimeofday(&tm, NULL);
stats_all.s3.curtime.tv_sec = tm.tv_sec;
stats_all.s3.curtime.tv_usec = tm.tv_usec;
alarm(1);
}
