[libvirt] [PATCH v2 40/53] [ACKED] vircgroup: introduce virCgroupV2GetCpuacctStat
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroupv2.c | 49 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 49 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index 93c1e39119..e02b438d95 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -1495,6 +1495,54 @@ 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,
@@ -1552,6 +1600,7 @@ virCgroupBackend virCgroupV2Backend = {
.supportsCpuBW = virCgroupV2SupportsCpuBW,
.getCpuacctUsage = virCgroupV2GetCpuacctUsage,
+ .getCpuacctStat = virCgroupV2GetCpuacctStat,
};
--
2.17.1