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LXC: add cpuset cgroup support for lxc

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This patch adds cpuset cgroup support for LXC.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
This commit is contained in:
Gao feng 2013-03-20 11:35:09 +08:00 committed by Osier Yang
parent 45e9d27ad8
commit 4dceffadc9
3 changed files with 60 additions and 3 deletions
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57
src/lxc/lxc_cgroup.c
View File

@ -68,6 +68,57 @@ cleanup:
}
static int virLXCCgroupSetupCpusetTune(virDomainDefPtr def,
virCgroupPtr cgroup,
virBitmapPtr nodemask)
{
int rc = 0;
char *mask = NULL;
if (def->placement_mode != VIR_DOMAIN_CPU_PLACEMENT_MODE_AUTO &&
def->cpumask) {
mask = virBitmapFormat(def->cpumask);
if (!mask) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to convert cpumask"));
return -1;
}
rc = virCgroupSetCpusetCpus(cgroup, mask);
if (rc < 0) {
virReportSystemError(-rc, "%s",
_("Unable to set cpuset.cpus"));
goto cleanup;
}
}
if ((def->numatune.memory.nodemask ||
(def->numatune.memory.placement_mode ==
VIR_NUMA_TUNE_MEM_PLACEMENT_MODE_AUTO)) &&
def->numatune.memory.mode == VIR_DOMAIN_NUMATUNE_MEM_STRICT) {
if (def->numatune.memory.placement_mode ==
VIR_NUMA_TUNE_MEM_PLACEMENT_MODE_AUTO)
mask = virBitmapFormat(nodemask);
else
mask = virBitmapFormat(def->numatune.memory.nodemask);
if (!mask) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to convert memory nodemask"));
return -1;
}
rc = virCgroupSetCpusetMems(cgroup, mask);
if (rc < 0)
virReportSystemError(-rc, "%s", _("Unable to set cpuset.mems"));
}
cleanup:
VIR_FREE(mask);
return rc;
}
static int virLXCCgroupSetupBlkioTune(virDomainDefPtr def,
virCgroupPtr cgroup)
{
@ -516,13 +567,17 @@ cleanup:
int virLXCCgroupSetup(virDomainDefPtr def,
virCgroupPtr cgroup)
virCgroupPtr cgroup,
virBitmapPtr nodemask)
{
int ret = -1;
if (virLXCCgroupSetupCpuTune(def, cgroup) < 0)
goto cleanup;
if (virLXCCgroupSetupCpusetTune(def, cgroup, nodemask) < 0)
goto cleanup;
if (virLXCCgroupSetupBlkioTune(def, cgroup) < 0)
goto cleanup;

4
src/lxc/lxc_cgroup.h
View File

@ -28,7 +28,9 @@
virCgroupPtr virLXCCgroupCreate(virDomainDefPtr def);
int virLXCCgroupSetup(virDomainDefPtr def,
virCgroupPtr cgroup);
virCgroupPtr cgroup,
virBitmapPtr nodemask);
int virLXCCgroupGetMeminfo(virLXCMeminfoPtr meminfo);
int

2
src/lxc/lxc_controller.c
View File

@ -569,7 +569,7 @@ static int virLXCControllerSetupResourceLimits(virLXCControllerPtr ctrl,
if (virLXCControllerSetupCpuAffinity(ctrl) < 0)
goto cleanup;
if (virLXCCgroupSetup(ctrl->def, cgroup) < 0)
if (virLXCCgroupSetup(ctrl->def, cgroup, nodemask) < 0)
goto cleanup;
ret = 0;