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OpenBSD sigar_cpu_get impl

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This commit is contained in:
Doug MacEachern 2008-02-18 00:17:27 +00:00
parent 06059b41fe
commit 4ef57c1ae0
1 changed files with 8 additions and 3 deletions
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11
src/os/darwin/darwin_sigar.c
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@ -611,16 +611,23 @@ int sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu)
cpu->wait = 0; /*N/A*/
cpu->total = cpu->user + cpu->nice + cpu->sys + cpu->idle;
#elif defined(__FreeBSD__)
#elif defined(__FreeBSD__) || (__OpenBSD__)
int status;
unsigned long cp_time[CPUSTATES];
size_t size = sizeof(cp_time);
# ifdef __OpenBSD__
int mib[] = { CTL_KERN, KERN_CPTIME };
if (sysctl(mib, NMIB(mib), &cp_time, &size, NULL, 0) == -1) {
status = errno;
}
# else
/* try sysctl first, does not require /dev/kmem perms */
if (sysctlbyname("kern.cp_time", &cp_time, &size, NULL, 0) == -1) {
status = kread(sigar, &cp_time, sizeof(cp_time),
sigar->koffsets[KOFFSET_CPUINFO]);
}
# endif
else {
status = SIGAR_OK;
}
@ -635,8 +642,6 @@ int sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu)
cpu->idle = SIGAR_TICK2MSEC(cp_time[CP_IDLE]);
cpu->wait = 0; /*N/A*/
cpu->total = cpu->user + cpu->nice + cpu->sys + cpu->idle;
#else
/*XXX OpenBSD*/
#endif
return SIGAR_OK;