8:55 a.m.
Pavel Hrdina (4):
util: implement virCgroupV2(Set|Get)CpusetMems
util: implement virCgroupV2(Set|Get)CpusetMemoryMigrate
util: implement virCgroupV2(Set|Get)CpusetCpus
util: enable cgroups v2 cpuset controller for threads
src/util/vircgroupv2.c | 74 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 74 insertions(+)
--
2.20.1
8:55 a.m.
New subject: [libvirt] [PATCH 1/4] util: implement virCgroupV2(Set|Get)CpusetMems
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroupv2.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index e0fa8e1cc0..4cfbd52f2d 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -1561,6 +1561,28 @@ virCgroupV2GetCpuacctStat(virCgroupPtr group,
}
+static int
+virCgroupV2SetCpusetMems(virCgroupPtr group,
+ const char *mems)
+{
+ return virCgroupSetValueStr(group,
+ VIR_CGROUP_CONTROLLER_CPUSET,
+ "cpuset.mems",
+ mems);
+}
+
+
+static int
+virCgroupV2GetCpusetMems(virCgroupPtr group,
+ char **mems)
+{
+ return virCgroupGetValueStr(group,
+ VIR_CGROUP_CONTROLLER_CPUSET,
+ "cpuset.mems",
+ mems);
+}
+
+
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@@ -1620,6 +1642,9 @@ virCgroupBackend virCgroupV2Backend = {
.getCpuacctUsage = virCgroupV2GetCpuacctUsage,
.getCpuacctStat = virCgroupV2GetCpuacctStat,
+
+ .setCpusetMems = virCgroupV2SetCpusetMems,
+ .getCpusetMems = virCgroupV2GetCpusetMems,
};
--
2.20.1
8:55 a.m.
New subject: [libvirt] [PATCH 2/4] util: implement virCgroupV2(Set|Get)CpusetMemoryMigrate
Cgroups v2 don't have memory_migrate interface and the migration is
enabled by default.
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroupv2.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index 4cfbd52f2d..f3aa6ebc48 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -1583,6 +1583,23 @@ virCgroupV2GetCpusetMems(virCgroupPtr group,
}
+static int
+virCgroupV2SetCpusetMemoryMigrate(virCgroupPtr group ATTRIBUTE_UNUSED,
+ bool migrate ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+
+static int
+virCgroupV2GetCpusetMemoryMigrate(virCgroupPtr group ATTRIBUTE_UNUSED,
+ bool *migrate)
+{
+ *migrate = true;
+ return 0;
+}
+
+
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@@ -1645,6 +1662,8 @@ virCgroupBackend virCgroupV2Backend = {
.setCpusetMems = virCgroupV2SetCpusetMems,
.getCpusetMems = virCgroupV2GetCpusetMems,
+ .setCpusetMemoryMigrate = virCgroupV2SetCpusetMemoryMigrate,
+ .getCpusetMemoryMigrate = virCgroupV2GetCpusetMemoryMigrate,
};
--
2.20.1
8:55 a.m.
New subject: [libvirt] [PATCH 3/4] util: implement virCgroupV2(Set|Get)CpusetCpus
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroupv2.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index f3aa6ebc48..25afab1cad 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -1600,6 +1600,28 @@ virCgroupV2GetCpusetMemoryMigrate(virCgroupPtr group
ATTRIBUTE_UNUSED,
}
+static int
+virCgroupV2SetCpusetCpus(virCgroupPtr group,
+ const char *cpus)
+{
+ return virCgroupSetValueStr(group,
+ VIR_CGROUP_CONTROLLER_CPUSET,
+ "cpuset.cpus",
+ cpus);
+}
+
+
+static int
+virCgroupV2GetCpusetCpus(virCgroupPtr group,
+ char **cpus)
+{
+ return virCgroupGetValueStr(group,
+ VIR_CGROUP_CONTROLLER_CPUSET,
+ "cpuset.cpus",
+ cpus);
+}
+
+
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@@ -1664,6 +1686,8 @@ virCgroupBackend virCgroupV2Backend = {
.getCpusetMems = virCgroupV2GetCpusetMems,
.setCpusetMemoryMigrate = virCgroupV2SetCpusetMemoryMigrate,
.getCpusetMemoryMigrate = virCgroupV2GetCpusetMemoryMigrate,
+ .setCpusetCpus = virCgroupV2SetCpusetCpus,
+ .getCpusetCpus = virCgroupV2GetCpusetCpus,
};
--
2.20.1
8:55 a.m.
New subject: [libvirt] [PATCH 4/4] util: enable cgroups v2 cpuset controller for threads
When we create cgroup for qemu threads we need to enable cpuset
controller in order to use it.
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroupv2.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index 25afab1cad..4084929c5a 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -400,6 +400,12 @@ virCgroupV2MakeGroup(virCgroupPtr parent ATTRIBUTE_UNUSED,
VIR_CGROUP_CONTROLLER_CPU) < 0) {
return -1;
}
+
+ if (virCgroupV2HasController(parent, VIR_CGROUP_CONTROLLER_CPUSET)
&&
+ virCgroupV2EnableController(parent,
+ VIR_CGROUP_CONTROLLER_CPUSET) < 0) {
+ return -1;
+ }
} else {
size_t i;
for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {
--
2.20.1
6:37 a.m.
On 2/20/19 3:55 PM, Pavel Hrdina wrote:
Pavel Hrdina (4):
util: implement virCgroupV2(Set|Get)CpusetMems
util: implement virCgroupV2(Set|Get)CpusetMemoryMigrate
util: implement virCgroupV2(Set|Get)CpusetCpus
util: enable cgroups v2 cpuset controller for threads
src/util/vircgroupv2.c | 74 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 74 insertions(+)
ACK
Michal
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5 comments
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participants (2)
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Michal Privoznik -
Pavel Hrdina