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vircgroup: introduce virCgroupV2GetCpuacctStat

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2018-08-17 17:00:00 +02:00
parent 567fcbdca5
commit 4d1d5c92bd
1 changed files with 49 additions and 0 deletions
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49
src/util/vircgroupv2.c
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@ -1486,6 +1486,54 @@ virCgroupV2GetCpuacctUsage(virCgroupPtr group,
}
static int
virCgroupV2GetCpuacctStat(virCgroupPtr group,
unsigned long long *user,
unsigned long long *sys)
{
VIR_AUTOFREE(char *) str = NULL;
char *tmp;
unsigned long long userVal = 0;
unsigned long long sysVal = 0;
if (virCgroupGetValueStr(group, VIR_CGROUP_CONTROLLER_CPUACCT,
"cpu.stat", &str) < 0) {
return -1;
}
if (!(tmp = strstr(str, "user_usec "))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse cpu user stat '%s'"), str);
return -1;
}
tmp += strlen("user_usec ");
if (virStrToLong_ull(tmp, &tmp, 10, &userVal) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to parse value '%s' as number."), tmp);
return -1;
}
if (!(tmp = strstr(str, "system_usec "))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse cpu sys stat '%s'"), str);
return -1;
}
tmp += strlen("system_usec ");
if (virStrToLong_ull(tmp, &tmp, 10, &sysVal) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to parse value '%s' as number."), tmp);
return -1;
}
*user = userVal * 1000;
*sys = sysVal * 1000;
return 0;
}
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@ -1543,6 +1591,7 @@ virCgroupBackend virCgroupV2Backend = {
.supportsCpuBW = virCgroupV2SupportsCpuBW,
.getCpuacctUsage = virCgroupV2GetCpuacctUsage,
.getCpuacctStat = virCgroupV2GetCpuacctStat,
};