Re: [libvirt] [PATCH 1/3] qemu: Abstract code for the cpu controller setting into a helper

--- src/qemu/qemu_cgroup.c | 55 +++++++++++++++++++++++++++++++++----------------- 1 file changed, 36 insertions(+), 19 deletions(-) diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c index bb1b235..cf46993 100644 --- a/src/qemu/qemu_cgroup.c +++ b/src/qemu/qemu_cgroup.c @@ -676,6 +676,36 @@ cleanup: } +static int +qemuSetupCpuCgroup(virDomainObjPtr vm) +{ + qemuDomainObjPrivatePtr priv = vm->privateData; + int rc = -1; + + if (!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_CPU)) { + if (vm->def->cputune.shares) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("CPU tuning is not available on this host")); + return -1; + } else { + return 0; + } + } + + if (vm->def->cputune.shares) { + rc = virCgroupSetCpuShares(priv->cgroup, vm->def->cputune.shares); + if (rc != 0) { + virReportSystemError(-rc, + _("Unable to set io cpu shares for domain %s"), + vm->def->name); + return -1; + } + } + + return 0; +} + +