[libvirt] [PATCH 36/47] vircgroup: extract virCgroupV1(Set|Get)CpuShares
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroup.c | 8 ++------
src/util/vircgroupbackend.h | 11 +++++++++++
src/util/vircgroupv1.c | 23 +++++++++++++++++++++++
3 files changed, 36 insertions(+), 6 deletions(-)
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index ca36984472..d7d11062e5 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -2207,18 +2207,14 @@ virCgroupGetDomainTotalCpuStats(virCgroupPtr group,
int
virCgroupSetCpuShares(virCgroupPtr group, unsigned long long shares)
{
- return virCgroupSetValueU64(group,
- VIR_CGROUP_CONTROLLER_CPU,
- "cpu.shares", shares);
+ VIR_CGROUP_BACKEND_CALL(group, setCpuShares, -1, shares);
}
int
virCgroupGetCpuShares(virCgroupPtr group, unsigned long long *shares)
{
- return virCgroupGetValueU64(group,
- VIR_CGROUP_CONTROLLER_CPU,
- "cpu.shares", shares);
+ VIR_CGROUP_BACKEND_CALL(group, getCpuShares, -1, shares);
}
diff --git a/src/util/vircgroupbackend.h b/src/util/vircgroupbackend.h
index ce165fead4..7dbe005319 100644
--- a/src/util/vircgroupbackend.h
+++ b/src/util/vircgroupbackend.h
@@ -268,6 +268,14 @@ typedef int
typedef int
(*virCgroupDenyAllDevicesCB)(virCgroupPtr group);
+typedef int
+(*virCgroupSetCpuSharesCB)(virCgroupPtr group,
+ unsigned long long shares);
+
+typedef int
+(*virCgroupGetCpuSharesCB)(virCgroupPtr group,
+ unsigned long long *shares);
+
struct _virCgroupBackend {
virCgroupBackendType type;
@@ -322,6 +330,9 @@ struct _virCgroupBackend {
virCgroupDenyDeviceCB denyDevice;
virCgroupAllowAllDevicesCB allowAllDevices;
virCgroupDenyAllDevicesCB denyAllDevices;
+
+ virCgroupSetCpuSharesCB setCpuShares;
+ virCgroupGetCpuSharesCB getCpuShares;
};
typedef struct _virCgroupBackend virCgroupBackend;
typedef virCgroupBackend *virCgroupBackendPtr;
diff --git a/src/util/vircgroupv1.c b/src/util/vircgroupv1.c
index bd6914f878..d2989b0a63 100644
--- a/src/util/vircgroupv1.c
+++ b/src/util/vircgroupv1.c
@@ -1760,6 +1760,26 @@ virCgroupV1DenyAllDevices(virCgroupPtr group)
}
+static int
+virCgroupV1SetCpuShares(virCgroupPtr group,
+ unsigned long long shares)
+{
+ return virCgroupSetValueU64(group,
+ VIR_CGROUP_CONTROLLER_CPU,
+ "cpu.shares", shares);
+}
+
+
+static int
+virCgroupV1GetCpuShares(virCgroupPtr group,
+ unsigned long long *shares)
+{
+ return virCgroupGetValueU64(group,
+ VIR_CGROUP_CONTROLLER_CPU,
+ "cpu.shares", shares);
+}
+
+
virCgroupBackend virCgroupV1Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V1,
@@ -1812,6 +1832,9 @@ virCgroupBackend virCgroupV1Backend = {
.denyDevice = virCgroupV1DenyDevice,
.allowAllDevices = virCgroupV1AllowAllDevices,
.denyAllDevices = virCgroupV1DenyAllDevices,
+
+ .setCpuShares = virCgroupV1SetCpuShares,
+ .getCpuShares = virCgroupV1GetCpuShares,
};
--
2.17.1