void
fetchiostat(void)
{
struct devinfo *tmp_dinfo;
if (kinfo_get_sched_cputime(&cp_time))
err(1, "kinfo_get_sched_cputime");
tmp_dinfo = last.dinfo;
last.dinfo = cur.dinfo;
cur.dinfo = tmp_dinfo;
last.busy_time = cur.busy_time;
/*
* Here what we want to do is refresh our device stats.
* getdevs() returns 1 when the device list has changed.
* If the device list has changed, we want to go through
* the selection process again, in case a device that we
* were previously displaying has gone away.
*/
switch (getdevs(&cur)) {
case -1:
errx(1, "%s", devstat_errbuf);
break;
case 1:
cmdiostat("refresh", NULL);
break;
default:
break;
}
num_devices = cur.dinfo->numdevs;
generation = cur.dinfo->generation;
}
void
fetchiostat(void)
{
struct devinfo *tmp_dinfo;
size_t len;
len = sizeof(cur.cp_time);
if (sysctlbyname("kern.cp_time", &cur.cp_time, &len, NULL, 0)
|| len != sizeof(cur.cp_time)) {
perror("kern.cp_time");
exit (1);
}
tmp_dinfo = last.dinfo;
last.dinfo = cur.dinfo;
cur.dinfo = tmp_dinfo;
last.snap_time = cur.snap_time;
/*
* Here what we want to do is refresh our device stats.
* getdevs() returns 1 when the device list has changed.
* If the device list has changed, we want to go through
* the selection process again, in case a device that we
* were previously displaying has gone away.
*/
switch (devstat_getdevs(NULL, &cur)) {
case -1:
errx(1, "%s", devstat_errbuf);
break;
case 1:
cmdiostat("refresh", NULL);
break;
default:
break;
}
num_devices = cur.dinfo->numdevs;
generation = cur.dinfo->generation;
}
