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Add global period definitions

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This parameter represents top level period cgroup
that limits whole domain enforcement period for a quota

Signed-off-by: Alexander Burluka <aburluka@virtuozzo.com>
This commit is contained in:
Alexander Burluka 2016-02-16 16:43:33 +03:00 committed by Daniel P. Berrange
parent 4b4fbfe406
commit 4d92d58f2c
4 changed files with 40 additions and 0 deletions
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5
docs/schemas/domaincommon.rng
View File

@ -669,6 +669,11 @@
<ref name="cpushares"/>
</element>
</optional>
<optional>
<element name="global_period">
<ref name="cpuperiod"/>
</element>
</optional>
<optional>
<element name="period">
<ref name="cpuperiod"/>

16
include/libvirt/libvirt-domain.h
View File

@ -311,6 +311,14 @@ typedef enum {
*/
# define VIR_DOMAIN_SCHEDULER_CPU_SHARES "cpu_shares"
/**
* VIR_DOMAIN_SCHEDULER_GLOBAL_PERIOD:
*
* Macro represents the enforcement period for a quota, in microseconds,
* for whole domain, when using the posix scheduler, as a ullong.
*/
# define VIR_DOMAIN_SCHEDULER_GLOBAL_PERIOD "global_period"
/**
* VIR_DOMAIN_SCHEDULER_VCPU_PERIOD:
*
@ -3338,6 +3346,14 @@ typedef void (*virConnectDomainEventMigrationIterationCallback)(virConnectPtr co
*/
# define VIR_DOMAIN_TUNABLE_CPU_CPU_SHARES "cputune.cpu_shares"
/**
* VIR_DOMAIN_TUNABLE_CPU_GLOBAL_PERIOD:
*
* Macro represents the enforcement period for a quota, in microseconds,
* for whole domain, when using the posix scheduler, as VIR_TYPED_PARAM_ULLONG.
*/
# define VIR_DOMAIN_TUNABLE_CPU_GLOBAL_PERIOD "cputune.global_period"
/**
* VIR_DOMAIN_TUNABLE_CPU_VCPU_PERIOD:
*

18
src/conf/domain_conf.c
View File

@ -15140,6 +15140,21 @@ virDomainDefParseXML(xmlDocPtr xml,
goto error;
}
if (virXPathULongLong("string(./cputune/global_period[1])", ctxt,
&def->cputune.global_period) < -1) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("can't parse cputune global period value"));
goto error;
}
if (def->cputune.global_period > 0 &&
(def->cputune.global_period < 1000 || def->cputune.global_period > 1000000)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Value of cputune global period must be in range "
"[1000, 1000000]"));
goto error;
}
if (virXPathULongLong("string(./cputune/emulator_period[1])", ctxt,
&def->cputune.emulator_period) < -1) {
virReportError(VIR_ERR_XML_ERROR, "%s",
@ -21655,6 +21670,9 @@ virDomainCputuneDefFormat(virBufferPtr buf,
if (def->cputune.quota)
virBufferAsprintf(&childrenBuf, "<quota>%lld</quota>\n",
def->cputune.quota);
if (def->cputune.global_period)
virBufferAsprintf(&childrenBuf, "<global_period>%llu</global_period>\n",
def->cputune.global_period);
if (def->cputune.emulator_period)
virBufferAsprintf(&childrenBuf, "<emulator_period>%llu"

1
src/conf/domain_conf.h
View File

@ -2112,6 +2112,7 @@ struct _virDomainCputune {
bool sharesSpecified;
unsigned long long period;
long long quota;
unsigned long long global_period;
unsigned long long emulator_period;
long long emulator_quota;
virBitmapPtr emulatorpin;