Re: [libvirt] [PATCH 3/6] cputune: support cputune for qemu driver

On Sun, 27 Feb 2011 22:39:18 +0800, Osier Yang<jyang(a)redhat.com> wrote: > When domain startup, setting cpu affinity and cpu shares according > to the cputune xml specified in domain xml. > > Modify "qemudDomainPinVcpu" to update domain config for vcpupin, > and modify "qemuSetSchedulerParameters" to update domain config > for cpu shares. > > * src/qemu/qemu_cgroup.c > * src/qemu/qemu_driver.c > * src/qemu/qemu_process.c > --- > src/qemu/qemu_cgroup.c | 15 +++++++++ > src/qemu/qemu_driver.c | 9 +++++ > src/qemu/qemu_process.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 104 insertions(+), 0 deletions(-) > > diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c > index b39b5e1..f578f9e 100644 > --- a/src/qemu/qemu_cgroup.c > +++ b/src/qemu/qemu_cgroup.c > @@ -340,6 +340,21 @@ int qemuSetupCgroup(struct qemud_driver *driver, > vm->def->name); > } > > + if (qemuCgroupControllerActive(driver, VIR_CGROUP_CONTROLLER_CPU)) { > + if (vm->def->cputune.shares != 0) { Osier, we will need patch 5/6 before this to compile, some patch reordering required here.