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use libperfstat for cpu if possible

This commit is contained in:
Doug MacEachern 2004-07-19 19:05:23 +00:00
parent c92662082c
commit c90566454e
1 changed files with 16 additions and 0 deletions
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16
src/os/aix/aix_sigar.c
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@ -477,6 +477,22 @@ int sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu)
{
int i, status;
struct sysinfo data;
perfstat_cpu_total_t cpu_data;
if (sigar_perfstat_init(sigar) == SIGAR_OK) {
sigar_log(sigar, SIGAR_LOG_DEBUG, "[cpu] using libperfstat");
if (sigar->perfstat.cpu_total(0, &cpu_data, sizeof(cpu_data), 1)) {
cpu->user = cpu_data.user;
cpu->nice = -1; /* N/A */
cpu->sys = cpu_data.sys;
cpu->idle = cpu_data.idle;
cpu->total = cpu->user + cpu->sys + cpu->idle + cpu_data.wait;
return SIGAR_OK;
}
}
sigar_log(sigar, SIGAR_LOG_DEBUG, "[cpu] using /dev/kmem");
status = kread(sigar, &data, sizeof(data),
sigar->koffsets[KOFFSET_SYSINFO]);