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Add global quota parameter necessary definitions

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This parameter controls the maximum bandwidth to be used
within a period for whole domain.

Signed-off-by: Alexander Burluka <aburluka@virtuozzo.com>
This commit is contained in:
Alexander Burluka 2016-02-16 16:43:34 +03:00 committed by Daniel P. Berrange
parent 4d92d58f2c
commit 55ecdae0fb
4 changed files with 41 additions and 0 deletions
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5
docs/schemas/domaincommon.rng
View File

@ -674,6 +674,11 @@
<ref name="cpuperiod"/>
</element>
</optional>
<optional>
<element name="global_quota">
<ref name="cpuquota"/>
</element>
</optional>
<optional>
<element name="period">
<ref name="cpuperiod"/>

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

@ -319,6 +319,14 @@ typedef enum {
*/
# define VIR_DOMAIN_SCHEDULER_GLOBAL_PERIOD "global_period"
/**
* VIR_DOMAIN_SCHEDULER_GLOBAL_QUOTA:
*
* Macro represents the maximum bandwidth to be used within a period for
* whole domain, when using the posix scheduler, as an llong.
*/
# define VIR_DOMAIN_SCHEDULER_GLOBAL_QUOTA "global_quota"
/**
* VIR_DOMAIN_SCHEDULER_VCPU_PERIOD:
*
@ -3354,6 +3362,14 @@ typedef void (*virConnectDomainEventMigrationIterationCallback)(virConnectPtr co
*/
# define VIR_DOMAIN_TUNABLE_CPU_GLOBAL_PERIOD "cputune.global_period"
/**
* VIR_DOMAIN_TUNABLE_CPU_GLOBAL_QUOTA:
*
* Macro represents the maximum bandwidth to be used within a period for
* whole domain, when using the posix scheduler, as VIR_TYPED_PARAM_LLONG.
*/
# define VIR_DOMAIN_TUNABLE_CPU_GLOBAL_QUOTA "cputune.global_quota"
/**
* VIR_DOMAIN_TUNABLE_CPU_VCPU_PERIOD:
*

19
src/conf/domain_conf.c
View File

@ -15155,6 +15155,22 @@ virDomainDefParseXML(xmlDocPtr xml,
goto error;
}
if (virXPathLongLong("string(./cputune/global_quota[1])", ctxt,
&def->cputune.global_quota) < -1) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("can't parse cputune global quota value"));
goto error;
}
if (def->cputune.global_quota > 0 &&
(def->cputune.global_quota < 1000 ||
def->cputune.global_quota > 18446744073709551LL)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Value of cputune global quota must be in range "
"[1000, 18446744073709551]"));
goto error;
}
if (virXPathULongLong("string(./cputune/emulator_period[1])", ctxt,
&def->cputune.emulator_period) < -1) {
virReportError(VIR_ERR_XML_ERROR, "%s",
@ -21673,6 +21689,9 @@ virDomainCputuneDefFormat(virBufferPtr buf,
if (def->cputune.global_period)
virBufferAsprintf(&childrenBuf, "<global_period>%llu</global_period>\n",
def->cputune.global_period);
if (def->cputune.global_quota)
virBufferAsprintf(&childrenBuf, "<global_quota>%lld</global_quota>\n",
def->cputune.global_quota);
if (def->cputune.emulator_period)
virBufferAsprintf(&childrenBuf, "<emulator_period>%llu"

1
src/conf/domain_conf.h
View File

@ -2113,6 +2113,7 @@ struct _virDomainCputune {
unsigned long long period;
long long quota;
unsigned long long global_period;
long long global_quota;
unsigned long long emulator_period;
long long emulator_quota;
virBitmapPtr emulatorpin;