[libvirt] [PATCHv4 1/6] Add functions to set/get cgroup cpuset parameters
From: Hu Tao <hutao(a)cn.fujitsu.com>
---
src/libvirt_private.syms | 2 ++
src/util/cgroup.c | 32 ++++++++++++++++++++++++++++++++
src/util/cgroup.h | 3 +++
3 files changed, 37 insertions(+), 0 deletions(-)
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index a649054..4a86bdc 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -78,6 +78,7 @@ virCgroupGetCpuShares;
virCgroupGetCpuCfsPeriod;
virCgroupGetCpuCfsQuota;
virCgroupGetCpuacctUsage;
+virCgroupGetCpusetMems;
virCgroupGetFreezerState;
virCgroupGetMemoryHardLimit;
virCgroupGetMemorySoftLimit;
@@ -94,6 +95,7 @@ virCgroupSetBlkioWeight;
virCgroupSetCpuShares;
virCgroupSetCpuCfsPeriod;
virCgroupSetCpuCfsQuota;
+virCgroupSetCpusetMems;
virCgroupSetFreezerState;
virCgroupSetMemory;
virCgroupSetMemoryHardLimit;
diff --git a/src/util/cgroup.c b/src/util/cgroup.c
index b4d3d8b..25f2691 100644
--- a/src/util/cgroup.c
+++ b/src/util/cgroup.c
@@ -1205,6 +1205,38 @@ int virCgroupGetMemSwapHardLimit(virCgroupPtr group, unsigned long
long *kb)
}
/**
+ * virCgroupSetCpusetMems:
+ *
+ * @group: The cgroup to set cpuset.mems for
+ * @mems: the numa nodes to set
+ *
+ * Returns: 0 on success
+ */
+int virCgroupSetCpusetMems(virCgroupPtr group, const char *mems)
+{
+ return virCgroupSetValueStr(group,
+ VIR_CGROUP_CONTROLLER_CPUSET,
+ "cpuset.mems",
+ mems);
+}
+
+/**
+ * virCgroupGetCpusetMems:
+ *
+ * @group: The cgroup to get cpuset.mems for
+ * @mems: the numa nodes to get
+ *
+ * Returns: 0 on success
+ */
+int virCgroupGetCpusetMems(virCgroupPtr group, char **mems)
+{
+ return virCgroupGetValueStr(group,
+ VIR_CGROUP_CONTROLLER_CPUSET,
+ "cpuset.mems",
+ mems);
+}
+
+/**
* virCgroupDenyAllDevices:
*
* @group: The cgroup to deny all permissions, for all devices
diff --git a/src/util/cgroup.h b/src/util/cgroup.h
index 70dd392..8d75735 100644
--- a/src/util/cgroup.h
+++ b/src/util/cgroup.h
@@ -119,6 +119,9 @@ int virCgroupGetCpuacctUsage(virCgroupPtr group, unsigned long long
*usage);
int virCgroupSetFreezerState(virCgroupPtr group, const char *state);
int virCgroupGetFreezerState(virCgroupPtr group, char **state);
+int virCgroupSetCpusetMems(virCgroupPtr group, const char *mems);
+int virCgroupGetCpusetMems(virCgroupPtr group, char **mems);
+
int virCgroupRemove(virCgroupPtr group);
void virCgroupFree(virCgroupPtr *group);
--
1.7.7.4