[libvirt] [PATCH v2 3/6] lxc: Introduce method lxcDomainGetStatsCpu
This method is responsible to fetch all CPU Cgroup Stats and store data
into virDomainStatsRecordPtr structure.
Signed-off-by: Julio Faracco <jcfaracco(a)gmail.com>
---
src/lxc/lxc_driver.c | 50 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index be26cf18a4..0e6d5743d0 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -5299,6 +5299,53 @@ lxcDomainGetStatsState(virDomainObjPtr dom,
}
+static int
+lxcDomainGetStatsCpu(virDomainObjPtr dom,
+ virDomainStatsRecordPtr record,
+ int *maxparams,
+ unsigned int supported)
+{
+ virLXCDomainObjPrivatePtr priv = dom->privateData;
+ unsigned long long cpu_time = 0;
+ unsigned long long user_time = 0;
+ unsigned long long sys_time = 0;
+ unsigned int flags = VIR_DOMAIN_STATS_CPU_TOTAL;
+ int err = 0;
+
+ virCheckFlags(supported, 0);
+
+ if (virDomainObjCheckActive(dom) < 0)
+ return 0;
+
+ if (!priv->cgroup)
+ return 0;
+
+ err = virCgroupGetCpuacctUsage(priv->cgroup, &cpu_time);
+ if (!err && virTypedParamsAddULLong(&record->params,
+ &record->nparams,
+ maxparams,
+ "cpu.time",
+ cpu_time) < 0)
+ return -1;
+
+ err = virCgroupGetCpuacctStat(priv->cgroup, &user_time, &sys_time);
+ if (!err && virTypedParamsAddULLong(&record->params,
+ &record->nparams,
+ maxparams,
+ "cpu.user",
+ user_time) < 0)
+ return -1;
+ if (!err && virTypedParamsAddULLong(&record->params,
+ &record->nparams,
+ maxparams,
+ "cpu.system",
+ sys_time) < 0)
+ return -1;
+
+ return 0;
+}
+
+
static virDomainStatsRecordPtr
lxcDomainGetStats(virConnectPtr conn,
virDomainObjPtr dom,
@@ -5320,6 +5367,9 @@ lxcDomainGetStats(virConnectPtr conn,
if (lxcDomainGetStatsState(dom, stat, &maxparams, flags) < 0)
goto endjob;
+ if (lxcDomainGetStatsCpu(dom, stat, &maxparams, flags) < 0)
+ goto endjob;
+
virLXCDomainObjEndJob(driver, dom);
return stat;
--
2.19.1