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migration/dirtyrate: Introduce virDomainStartDirtyRateCalc API
Introduce virDomainStartDirtyRateCalc API for start calculation of a domain's memory dirty rate with a specified time. Signed-off-by: Hao Wang <wanghao232@huawei.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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@ -5128,4 +5128,8 @@ int virDomainGetMessages(virDomainPtr domain,
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char ***msgs,
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char ***msgs,
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unsigned int flags);
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unsigned int flags);
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int virDomainStartDirtyRateCalc(virDomainPtr domain,
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int seconds,
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unsigned int flags);
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#endif /* LIBVIRT_DOMAIN_H */
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#endif /* LIBVIRT_DOMAIN_H */
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@ -1405,6 +1405,11 @@ typedef int
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char ***msgs,
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char ***msgs,
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unsigned int flags);
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unsigned int flags);
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typedef int
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(*virDrvDomainStartDirtyRateCalc)(virDomainPtr domain,
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int seconds,
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unsigned int flags);
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typedef struct _virHypervisorDriver virHypervisorDriver;
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typedef struct _virHypervisorDriver virHypervisorDriver;
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typedef virHypervisorDriver *virHypervisorDriverPtr;
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typedef virHypervisorDriver *virHypervisorDriverPtr;
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@ -1671,4 +1676,5 @@ struct _virHypervisorDriver {
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virDrvDomainAuthorizedSSHKeysGet domainAuthorizedSSHKeysGet;
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virDrvDomainAuthorizedSSHKeysGet domainAuthorizedSSHKeysGet;
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virDrvDomainAuthorizedSSHKeysSet domainAuthorizedSSHKeysSet;
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virDrvDomainAuthorizedSSHKeysSet domainAuthorizedSSHKeysSet;
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virDrvDomainGetMessages domainGetMessages;
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virDrvDomainGetMessages domainGetMessages;
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virDrvDomainStartDirtyRateCalc domainStartDirtyRateCalc;
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};
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};
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@ -13158,3 +13158,47 @@ virDomainGetMessages(virDomainPtr domain,
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virDispatchError(conn);
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virDispatchError(conn);
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return -1;
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return -1;
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}
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}
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/**
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* virDomainStartDirtyRateCalc:
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* @domain: a domain object
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* @seconds: specified calculating time in seconds
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* @flags: extra flags; not used yet, so callers should always pass 0
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*
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* Calculate the current domain's memory dirty rate in next @seconds.
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* The calculated dirty rate information is available by calling
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* virConnectGetAllDomainStats.
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*
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* Returns 0 in case of success, -1 otherwise.
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*/
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int
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virDomainStartDirtyRateCalc(virDomainPtr domain,
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int seconds,
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unsigned int flags)
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{
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virConnectPtr conn;
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VIR_DOMAIN_DEBUG(domain, "seconds=%d, flags=0x%x", seconds, flags);
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virResetLastError();
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virCheckDomainReturn(domain, -1);
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conn = domain->conn;
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virCheckReadOnlyGoto(conn->flags, error);
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if (conn->driver->domainStartDirtyRateCalc) {
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int ret;
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ret = conn->driver->domainStartDirtyRateCalc(domain, seconds, flags);
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if (ret < 0)
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goto error;
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return ret;
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}
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virReportUnsupportedError();
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error:
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virDispatchError(conn);
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return -1;
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}
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@ -884,4 +884,9 @@ LIBVIRT_7.1.0 {
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virDomainGetMessages;
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virDomainGetMessages;
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} LIBVIRT_6.10.0;
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} LIBVIRT_6.10.0;
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LIBVIRT_7.2.0 {
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global:
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virDomainStartDirtyRateCalc;
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} LIBVIRT_7.1.0;
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# .... define new API here using predicted next version number ....
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# .... define new API here using predicted next version number ....
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@ -8571,6 +8571,7 @@ static virHypervisorDriver hypervisor_driver = {
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.domainAuthorizedSSHKeysGet = remoteDomainAuthorizedSSHKeysGet, /* 6.10.0 */
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.domainAuthorizedSSHKeysGet = remoteDomainAuthorizedSSHKeysGet, /* 6.10.0 */
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.domainAuthorizedSSHKeysSet = remoteDomainAuthorizedSSHKeysSet, /* 6.10.0 */
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.domainAuthorizedSSHKeysSet = remoteDomainAuthorizedSSHKeysSet, /* 6.10.0 */
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.domainGetMessages = remoteDomainGetMessages, /* 7.1.0 */
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.domainGetMessages = remoteDomainGetMessages, /* 7.1.0 */
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.domainStartDirtyRateCalc = remoteDomainStartDirtyRateCalc, /* 7.2.0 */
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};
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};
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static virNetworkDriver network_driver = {
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static virNetworkDriver network_driver = {
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@ -3811,6 +3811,12 @@ struct remote_domain_get_messages_ret {
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remote_nonnull_string msgs<REMOTE_DOMAIN_MESSAGES_MAX>;
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remote_nonnull_string msgs<REMOTE_DOMAIN_MESSAGES_MAX>;
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};
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};
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struct remote_domain_start_dirty_rate_calc_args {
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remote_nonnull_domain dom;
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int seconds;
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unsigned int flags;
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};
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/*----- Protocol. -----*/
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/*----- Protocol. -----*/
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@ -6733,5 +6739,11 @@ enum remote_procedure {
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* @generate: none
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* @generate: none
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* @acl: domain:read
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* @acl: domain:read
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*/
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*/
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REMOTE_PROC_DOMAIN_GET_MESSAGES = 426
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REMOTE_PROC_DOMAIN_GET_MESSAGES = 426,
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/**
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* @generate: both
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* @acl: domain:read
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*/
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REMOTE_PROC_DOMAIN_START_DIRTY_RATE_CALC = 427
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};
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};
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@ -3172,6 +3172,11 @@ struct remote_domain_get_messages_ret {
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remote_nonnull_string * msgs_val;
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remote_nonnull_string * msgs_val;
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} msgs;
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} msgs;
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};
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};
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struct remote_domain_start_dirty_rate_calc_args {
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remote_nonnull_domain dom;
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int seconds;
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u_int flags;
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};
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enum remote_procedure {
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enum remote_procedure {
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REMOTE_PROC_CONNECT_OPEN = 1,
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REMOTE_PROC_CONNECT_OPEN = 1,
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REMOTE_PROC_CONNECT_CLOSE = 2,
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REMOTE_PROC_CONNECT_CLOSE = 2,
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@ -3599,4 +3604,5 @@ enum remote_procedure {
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REMOTE_PROC_DOMAIN_AUTHORIZED_SSH_KEYS_GET = 424,
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REMOTE_PROC_DOMAIN_AUTHORIZED_SSH_KEYS_GET = 424,
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REMOTE_PROC_DOMAIN_AUTHORIZED_SSH_KEYS_SET = 425,
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REMOTE_PROC_DOMAIN_AUTHORIZED_SSH_KEYS_SET = 425,
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REMOTE_PROC_DOMAIN_GET_MESSAGES = 426,
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REMOTE_PROC_DOMAIN_GET_MESSAGES = 426,
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REMOTE_PROC_DOMAIN_START_DIRTY_RATE_CALC = 427,
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};
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};
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