External/libvirt
1
0
Fork 0
mirror of https://gitlab.com/libvirt/libvirt.git synced 2025-01-04 20:15:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

numad: Ignore cpuset if placement is auto

Browse Source 
As explained in previous patch, numad will balance the affinity
dynamically, so reflecting the cpuset from numad at the first
time doesn't make much case, and may just could cause confusion.
(cherry picked from commit 8fb2164cff)
This commit is contained in:
Osier Yang 2012-04-11 22:40:33 +08:00 committed by Daniel P. Berrange
parent 3f76415724
commit 455d222457
2 changed files with 20 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
docs/formatdomain.html.in
View File

@ -365,11 +365,11 @@
"auto", defaults to "static" if <code>cpuset</code> is specified,
"auto" indicates the domain process will be pinned to the advisory
nodeset from querying numad, and the value of attribute
<code>cpuset</code> will be overridden by the advisory nodeset
from numad if it's specified. If both <code>cpuset</code> and
<code>placement</code> are not specified, or if <code>placement</code>
is "static", but no <code>cpuset</code> is specified, the domain
process will be pinned to all the available physical CPUs.
<code>cpuset</code> will be ignored if it's specified. If both
<code>cpuset</code> and <code>placement</code> are not specified,
or if <code>placement</code> is "static", but no <code>cpuset</code>
is specified, the domain process will be pinned to all the
available physical CPUs.
</dd>
</dl>

28
src/conf/domain_conf.c
View File

@ -7884,19 +7884,6 @@ static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
}
}
tmp = virXPathString("string(./vcpu[1]/@cpuset)", ctxt);
if (tmp) {
char *set = tmp;
def->cpumasklen = VIR_DOMAIN_CPUMASK_LEN;
if (VIR_ALLOC_N(def->cpumask, def->cpumasklen) < 0) {
goto no_memory;
}
if (virDomainCpuSetParse(set, 0, def->cpumask,
def->cpumasklen) < 0)
goto error;
VIR_FREE(tmp);
}
tmp = virXPathString("string(./vcpu[1]/@placement)", ctxt);
if (tmp) {
if ((def->placement_mode =
@ -7913,6 +7900,21 @@ static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
def->placement_mode = VIR_DOMAIN_CPU_PLACEMENT_MODE_STATIC;
}
if (def->placement_mode == VIR_DOMAIN_CPU_PLACEMENT_MODE_STATIC) {
tmp = virXPathString("string(./vcpu[1]/@cpuset)", ctxt);
if (tmp) {
char *set = tmp;
def->cpumasklen = VIR_DOMAIN_CPUMASK_LEN;
if (VIR_ALLOC_N(def->cpumask, def->cpumasklen) < 0) {
goto no_memory;
}
if (virDomainCpuSetParse(set, 0, def->cpumask,
def->cpumasklen) < 0)
goto error;
VIR_FREE(tmp);
}
}
/* Extract cpu tunables. */
if (virXPathULong("string(./cputune/shares[1])", ctxt,
&def->cputune.shares) < 0)