On Tue, Mar 29, 2011 at 02:32:24PM +0800, Osier Yang wrote:
> LXC driver doesn't support vcpu affinity yet, so just need
> to modify it to support cpu shares.
> ---
> src/lxc/lxc_controller.c | 10 ++++++++++
> src/lxc/lxc_driver.c | 2 ++
> 2 files changed, 12 insertions(+), 0 deletions(-)
>
> diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c
> index 1ab6351..7ea69fb 100644
> --- a/src/lxc/lxc_controller.c
> +++ b/src/lxc/lxc_controller.c
> @@ -117,6 +117,16 @@ static int lxcSetContainerResources(virDomainDefPtr def)
> }
> }
>
> + if (def->cputune.shares) {
> + rc = virCgroupSetCpuShares(cgroup, def->cputune.shares);
> + if (rc != 0) {
> + virReportSystemError(-rc,
> + _("Unable to set cpu shares for domain %s"),
> + def->name);
> + goto cleanup;
> + }
> + }
> +
> rc = virCgroupSetMemory(cgroup, def->mem.max_balloon);
> if (rc != 0) {
> virReportSystemError(-rc,
> diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
> index 3159e1b..8433318 100644
> --- a/src/lxc/lxc_driver.c
> +++ b/src/lxc/lxc_driver.c
> @@ -2292,6 +2292,8 @@ static int lxcSetSchedulerParameters(virDomainPtr domain,
> params[i].value.ul);
> goto cleanup;
> }
> +
> + vm->def->cputune.shares = params[i].value.ul;
> }
> ret = 0;
>
ACK, assuming we get a clear semantic for cpushare
Daniel
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Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel@xxxxxxxxxxxx | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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