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include: Introduce virDomainDirtyRateCalcFlags

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Introduce virDomainDirtyRateCalcFlags to get ready for
adding mode parameter to qemuDomainStartDirtyRateCalc.

Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Hyman Huang(黄勇) 2022-02-20 21:28:11 +08:00 committed by Michal Privoznik
parent f8dc72f0ca
commit e7a8bd2173
2 changed files with 24 additions and 1 deletions
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13
include/libvirt/libvirt-domain.h
View File

@ -5259,6 +5259,19 @@ typedef enum {
# endif
} virDomainDirtyRateStatus;
/**
* virDomainDirtyRateCalcFlags:
*
* Flags OR'ed together to provide specific behaviour when calculating dirty page
* rate for a Domain
*
*/
typedef enum {
VIR_DOMAIN_DIRTYRATE_MODE_PAGE_SAMPLING = 0, /* default mode - page-sampling */
VIR_DOMAIN_DIRTYRATE_MODE_DIRTY_BITMAP = 1 << 0, /* dirty-bitmap mode */
VIR_DOMAIN_DIRTYRATE_MODE_DIRTY_RING = 1 << 1, /* dirty-ring mode */
} virDomainDirtyRateCalcFlags;
int virDomainStartDirtyRateCalc(virDomainPtr domain,
int seconds,
unsigned int flags);

12
src/libvirt-domain.c
View File

@ -13337,7 +13337,7 @@ virDomainGetMessages(virDomainPtr domain,
* virDomainStartDirtyRateCalc:
* @domain: a domain object
* @seconds: specified calculating time in seconds
* @flags: extra flags; not used yet, so callers should always pass 0
* @flags: bitwise-OR of supported virDomainDirtyRateCalcFlags
*
* Calculate the current domain's memory dirty rate in next @seconds.
* The calculated dirty rate information is available by calling
@ -13361,6 +13361,16 @@ virDomainStartDirtyRateCalc(virDomainPtr domain,
virCheckReadOnlyGoto(conn->flags, error);
VIR_EXCLUSIVE_FLAGS_GOTO(VIR_DOMAIN_DIRTYRATE_MODE_PAGE_SAMPLING,
VIR_DOMAIN_DIRTYRATE_MODE_DIRTY_BITMAP,
error);
VIR_EXCLUSIVE_FLAGS_GOTO(VIR_DOMAIN_DIRTYRATE_MODE_PAGE_SAMPLING,
VIR_DOMAIN_DIRTYRATE_MODE_DIRTY_RING,
error);
VIR_EXCLUSIVE_FLAGS_GOTO(VIR_DOMAIN_DIRTYRATE_MODE_DIRTY_BITMAP,
VIR_DOMAIN_DIRTYRATE_MODE_DIRTY_RING,
error);
if (conn->driver->domainStartDirtyRateCalc) {
int ret;
ret = conn->driver->domainStartDirtyRateCalc(domain, seconds, flags);