[libvirt] [PATCH v2 35/53] [ACKED] vircgroup: introduce virCgroupV2(Set|Get)CpuShares

Pavel Hrdina phrdina at redhat.com
Fri Oct 5 12:43:56 UTC 2018


Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
---
 src/util/vircgroupv2.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index 991d32f4b7..986b2d07c1 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -1313,6 +1313,26 @@ virCgroupV2GetMemSwapUsage(virCgroupPtr group,
 }
 
 
+static int
+virCgroupV2SetCpuShares(virCgroupPtr group,
+                        unsigned long long shares)
+{
+    return virCgroupSetValueU64(group,
+                                VIR_CGROUP_CONTROLLER_CPU,
+                                "cpu.weight", shares);
+}
+
+
+static int
+virCgroupV2GetCpuShares(virCgroupPtr group,
+                        unsigned long long *shares)
+{
+    return virCgroupGetValueU64(group,
+                                VIR_CGROUP_CONTROLLER_CPU,
+                                "cpu.weight", shares);
+}
+
+
 virCgroupBackend virCgroupV2Backend = {
     .type = VIR_CGROUP_BACKEND_TYPE_V2,
 
@@ -1360,6 +1380,9 @@ virCgroupBackend virCgroupV2Backend = {
     .setMemSwapHardLimit = virCgroupV2SetMemSwapHardLimit,
     .getMemSwapHardLimit = virCgroupV2GetMemSwapHardLimit,
     .getMemSwapUsage = virCgroupV2GetMemSwapUsage,
+
+    .setCpuShares = virCgroupV2SetCpuShares,
+    .getCpuShares = virCgroupV2GetCpuShares,
 };
 
 
-- 
2.17.1




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