On 09/03/2014 06:15 PM, John Ferlan wrote: > https://bugzilla.redhat.com/show_bug.cgi?id=1101574 > > Add an option 'iothreadpin' to the <cpuset> to allow for setting the > CPU affinity for each IOThread. > > The iothreadspin will mimic the vcpupin with respect to being able to > assign each iothread to a specific CPU, although iothreads ids start > at 1 while vcpu ids start at 0. This matches the iothread naming scheme. > > Signed-off-by: John Ferlan <jfer...@redhat.com> > --- > docs/formatdomain.html.in | 18 +++ > docs/schemas/domaincommon.rng | 10 ++ > src/conf/domain_conf.c | 124 > +++++++++++++++++++-- > src/conf/domain_conf.h | 2 + > .../qemuxml2argv-cputune-iothreads.xml | 38 +++++++ > tests/qemuxml2xmltest.c | 1 + > 6 files changed, 182 insertions(+), 11 deletions(-) > create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-cputune-iothreads.xml >
> @@ -11434,10 +11442,41 @@ virDomainVcpuPinDefParseXML(xmlNodePtr node,
> def->vcpuid = vcpuid;
> }
>
> + if (iothreads) {
> + tmp = virXPathString("string(./@iothread)", ctxt);
> + if (tmp && virStrToLong_uip(tmp, NULL, 10, &iothreadid) < 0) {
> + virReportError(VIR_ERR_XML_ERROR,
> + _("invalid setting for iothread '%s'"), tmp);
> + goto error;
> + }
VIR_FREE(tmp);
> +
> + if (iothreadid == 0) {
> + virReportError(VIR_ERR_XML_ERROR, "%s",
> + _("zero is an invalid iothread id value"));
Jan
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