diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c index df6a46f108ee12185fc967311dbe593d30468a41..a975ec43240654aeca7fc701ab6fe7a1d8860bd7 100644 --- a/src/util/vircgroupv2.c +++ b/src/util/vircgroupv2.c @@ -1455,6 +1455,37 @@ virCgroupV2SupportsCpuBW(virCgroupPtr cgroup) } +static int +virCgroupV2GetCpuacctUsage(virCgroupPtr group, + unsigned long long *usage) +{ + VIR_AUTOFREE(char *) str = NULL; + char *tmp; + + if (virCgroupGetValueStr(group, VIR_CGROUP_CONTROLLER_CPUACCT, + "cpu.stat", &str) < 0) { + return -1; + } + + if (!(tmp = strstr(str, "usage_usec "))) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("cannot parse cpu usage stat '%s'"), str); + return -1; + } + tmp += strlen("usage_usec "); + + if (virStrToLong_ull(tmp, &tmp, 10, usage) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Failed to parse value '%s' as number."), tmp); + return -1; + } + + *usage *= 1000; + + return 0; +} + + virCgroupBackend virCgroupV2Backend = { .type = VIR_CGROUP_BACKEND_TYPE_V2, @@ -1510,6 +1541,8 @@ virCgroupBackend virCgroupV2Backend = { .setCpuCfsQuota = virCgroupV2SetCpuCfsQuota, .getCpuCfsQuota = virCgroupV2GetCpuCfsQuota, .supportsCpuBW = virCgroupV2SupportsCpuBW, + + .getCpuacctUsage = virCgroupV2GetCpuacctUsage, };