[libvirt] [PATCHv2 03/11] Add functions to set/get cgroup cpuset parameters

--- src/libvirt_private.syms | 10 ++++ src/util/cgroup.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++ src/util/cgroup.h | 11 +++++ 3 files changed, 133 insertions(+), 0 deletions(-) diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index b9d537e..d48b7dc 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -78,6 +78,11 @@ virCgroupGetCpuShares; virCgroupGetCpuCfsPeriod; virCgroupGetCpuCfsQuota; virCgroupGetCpuacctUsage; +virCgroupGetCpusetHardwall; +virCgroupGetCpusetMemExclusive; +virCgroupGetCpusetMemorySpreadPage; +virCgroupGetCpusetMemorySpreadSlab; +virCgroupGetCpusetMems; virCgroupGetFreezerState; virCgroupGetMemoryHardLimit; virCgroupGetMemorySoftLimit; @@ -93,6 +98,11 @@ virCgroupSetBlkioWeight; virCgroupSetCpuShares; virCgroupSetCpuCfsPeriod; virCgroupSetCpuCfsQuota; +virCgroupSetCpusetHardwall; +virCgroupSetCpusetMemExclusive; +virCgroupSetCpusetMemorySpreadPage; +virCgroupSetCpusetMemorySpreadSlab; +virCgroupSetCpusetMems; virCgroupSetFreezerState; virCgroupSetMemory; virCgroupSetMemoryHardLimit; diff --git a/src/util/cgroup.c b/src/util/cgroup.c index c8d1f33..c9cd90b 100644 --- a/src/util/cgroup.c +++ b/src/util/cgroup.c @@ -1154,6 +1154,118 @@ 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); +} + +/** + * virCgroupSetCpusetHardwall: + * + * @group: The cgroup to set cpuset.mems for + * @hardwall: the hardwall to set + * + * Returns: 0 on success + */ +int virCgroupSetCpusetHardwall(virCgroupPtr group, unsigned long long hardwall) +{ + return virCgroupSetValueU64(group, + VIR_CGROUP_CONTROLLER_CPUSET, + "cpuset.mem_hardwall", + hardwall); +} + +/** + * virCgroupGetCpusetHardwall: + * + * @group: The cgroup to get cpuset.mem_hardwall for + * @hardwall: the hardwall to get + * + * Returns: 0 on success + */ +int virCgroupGetCpusetHardwall(virCgroupPtr group, unsigned long long *hardwall) +{ + return virCgroupGetValueU64(group, + VIR_CGROUP_CONTROLLER_CPUSET, + "cpuset.mem_hardwall", + hardwall); +} + +int virCgroupSetCpusetMemExclusive(virCgroupPtr group, unsigned long long memExclusive) +{ + return virCgroupSetValueU64(group, + VIR_CGROUP_CONTROLLER_CPUSET, + "cpuset.mem_exclusive", + memExclusive); +} + +int virCgroupGetCpusetMemExclusive(virCgroupPtr group, unsigned long long *memExclusive) +{ + return virCgroupGetValueU64(group, + VIR_CGROUP_CONTROLLER_CPUSET, + "cpuset.mem_exclusive", + memExclusive); +} + +int virCgroupSetCpusetMemorySpreadPage(virCgroupPtr group, unsigned long long memSpreadPage) +{ + return virCgroupSetValueU64(group, + VIR_CGROUP_CONTROLLER_CPUSET, + "cpuset.memory_spread_page", + memSpreadPage); +} + +int virCgroupGetCpusetMemorySpreadPage(virCgroupPtr group, unsigned long long *memSpreadPage) +{ + return virCgroupGetValueU64(group, + VIR_CGROUP_CONTROLLER_CPUSET, + "cpuset.memory_spread_page", + memSpreadPage); +} + +int virCgroupSetCpusetMemorySpreadSlab(virCgroupPtr group, unsigned long long memSpreadSlab) +{ + return virCgroupSetValueU64(group, + VIR_CGROUP_CONTROLLER_CPUSET, + "cpuset.memory_spread_slab", + memSpreadSlab); +} + +int virCgroupGetCpusetMemorySpreadSlab(virCgroupPtr group, unsigned long long *memSpreadSlab) +{ + return virCgroupGetValueU64(group, + VIR_CGROUP_CONTROLLER_CPUSET, + "cpuset.memory_spread_slab", + memSpreadSlab); +} + +/** * virCgroupDenyAllDevices: * * @group: The cgroup to deny all permissions, for all devices diff --git a/src/util/cgroup.h b/src/util/cgroup.h index d190bb3..8825b19 100644 --- a/src/util/cgroup.h +++ b/src/util/cgroup.h @@ -115,6 +115,17 @@ 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 virCgroupSetCpusetMemExclusive(virCgroupPtr group, unsigned long long memExclusive); +int virCgroupGetCpusetMemExclusive(virCgroupPtr group, unsigned long long *memExclusive); +int virCgroupSetCpusetHardwall(virCgroupPtr group, unsigned long long hardwall); +int virCgroupGetCpusetHardwall(virCgroupPtr group, unsigned long long *hardwall); +int virCgroupSetCpusetMemorySpreadPage(virCgroupPtr group, unsigned long long memSpreadPage); +int virCgroupGetCpusetMemorySpreadPage(virCgroupPtr group, unsigned long long *memSpreadPage); +int virCgroupSetCpusetMemorySpreadSlab(virCgroupPtr group, unsigned long long memSpreadSlab); +int virCgroupGetCpusetMemorySpreadSlab(virCgroupPtr group, unsigned long long *memSpreadSlab); + int virCgroupRemove(virCgroupPtr group); void virCgroupFree(virCgroupPtr *group); -- 1.7.3.1