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use cpuset to manage numa

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This patch also sets cgroup cpuset parameters for numatune.
This commit is contained in:
Hu Tao 2011-12-20 16:34:59 +08:00 committed by Eric Blake
parent 059425ae45
commit 9d3a721ad5
1 changed files with 19 additions and 0 deletions
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19
src/qemu/qemu_cgroup.c
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@ -389,6 +389,25 @@ int qemuSetupCgroup(struct qemud_driver *driver,
}
}
if (vm->def->numatune.memory.nodemask &&
vm->def->numatune.memory.mode == VIR_DOMAIN_NUMATUNE_MEM_STRICT &&
qemuCgroupControllerActive(driver, VIR_CGROUP_CONTROLLER_CPUSET)) {
char *mask = virDomainCpuSetFormat(vm->def->numatune.memory.nodemask, VIR_DOMAIN_CPUMASK_LEN);
if (!mask) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to convert memory nodemask"));
goto cleanup;
}
rc = virCgroupSetCpusetMems(cgroup, mask);
VIR_FREE(mask);
if (rc != 0) {
virReportSystemError(-rc,
_("Unable to set cpuset.mems for domain %s"),
vm->def->name);
goto cleanup;
}
}
done:
virCgroupFree(&cgroup);
return 0;