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Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 09F7xKxm010117 X-loop: libvir-list@redhat.com Cc: yubihong@huawei.com, alex.chen@huawei.com, zhouyimin@huawei.com, zhang.zhanghailiang@huawei.com, dgilbert@redhat.com, xiexiangyou@huawei.com, david.edmondson@oracle.com, jdenemar@redhat.com, zhengchuan@huawei.com X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Introduce DomainGetDirtyRateInfo API for domain's memory dirty rate calculation and query. Signed-off-by: Hao Wang Signed-off-by: Zhou Yimin Reviewed-by: Chuan Zheng --- include/libvirt/libvirt-domain.h | 13 ++++++ src/driver-hypervisor.h | 7 ++++ src/libvirt-domain.c | 46 +++++++++++++++++++++ src/libvirt_public.syms | 5 +++ src/qemu/qemu_driver.c | 71 ++++++++++++++++++++++++++++++++ src/remote/remote_driver.c | 1 + src/remote/remote_protocol.x | 21 +++++++++- 7 files changed, 163 insertions(+), 1 deletion(-) diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-dom= ain.h index 68a760816a..9e148a238b 100644 --- a/include/libvirt/libvirt-domain.h +++ b/include/libvirt/libvirt-domain.h @@ -5064,4 +5064,17 @@ struct _virDomainDirtyRateInfo { =20 typedef virDomainDirtyRateInfo *virDomainDirtyRateInfoPtr; =20 +/** + * virDomainDirtyRateInfoPtr: + * + * a virDomainDirtyRateInfoPtr is a pointer to a virDomainDirtyRateInfo st= ructure. + */ + +typedef virDomainDirtyRateInfo *virDomainDirtyRateInfoPtr; + +int virDomainGetDirtyRateInfo(virDomainPtr domain, + virDomainDirtyRateInfoPtr info, + long long sec, + int flags); + #endif /* LIBVIRT_DOMAIN_H */ diff --git a/src/driver-hypervisor.h b/src/driver-hypervisor.h index bce023017d..dc2aefa910 100644 --- a/src/driver-hypervisor.h +++ b/src/driver-hypervisor.h @@ -1387,6 +1387,12 @@ typedef char * (*virDrvDomainBackupGetXMLDesc)(virDomainPtr domain, unsigned int flags); =20 +typedef int +(*virDrvDomainGetDirtyRateInfo)(virDomainPtr domain, + virDomainDirtyRateInfoPtr info, + long long sec, + int flags); + typedef struct _virHypervisorDriver virHypervisorDriver; typedef virHypervisorDriver *virHypervisorDriverPtr; =20 @@ -1650,4 +1656,5 @@ struct _virHypervisorDriver { virDrvDomainAgentSetResponseTimeout domainAgentSetResponseTimeout; virDrvDomainBackupBegin domainBackupBegin; virDrvDomainBackupGetXMLDesc domainBackupGetXMLDesc; + virDrvDomainGetDirtyRateInfo domainGetDirtyRateInfo; }; diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c index 3c5f55176a..8714c1ca93 100644 --- a/src/libvirt-domain.c +++ b/src/libvirt-domain.c @@ -12758,3 +12758,49 @@ virDomainBackupGetXMLDesc(virDomainPtr domain, virDispatchError(conn); return NULL; } + + +/** + * virDomainGetDirtyRateInfo: + * @domain: a domain object. + * @info: return value of current domain's memory dirty rate info. + * @sec: show dirty rate within specified seconds. + * @flags: the flags of getdirtyrate action -- calculate and/or query. + * + * Get the current domain's memory dirty rate (in MB/s). + * + * Returns 0 in case of success, -1 otherwise. + */ +int +virDomainGetDirtyRateInfo(virDomainPtr domain, + virDomainDirtyRateInfoPtr info, + long long sec, + int flags) +{ + virConnectPtr conn; + + VIR_DOMAIN_DEBUG(domain, "info =3D %p, seconds=3D%lld", info, sec); + + virResetLastError(); + + virCheckDomainReturn(domain, -1); + conn =3D domain->conn; + + virCheckNonNullArgGoto(info, error); + virCheckReadOnlyGoto(conn->flags, error); + + if (info) + memset(info, 0, sizeof(*info)); + + if (conn->driver->domainGetDirtyRateInfo) { + if (conn->driver->domainGetDirtyRateInfo(domain, info, sec, flags)= < 0) + goto error; + VIR_DOMAIN_DEBUG(domain, "info =3D %p, seconds=3D%lld", info, sec); + return 0; + } + + virReportUnsupportedError(); + error: + virDispatchError(conn); + return -1; +} diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms index 539d2e3943..11864f48b1 100644 --- a/src/libvirt_public.syms +++ b/src/libvirt_public.syms @@ -873,4 +873,9 @@ LIBVIRT_6.0.0 { virDomainBackupGetXMLDesc; } LIBVIRT_5.10.0; =20 +LIBVIRT_6.9.0 { + global: + virDomainGetDirtyRateInfo; +} LIBVIRT_6.0.0; + # .... define new API here using predicted next version number .... diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 8457cbfb4b..3ef8253cb5 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -20055,6 +20055,76 @@ qemuDomainAgentSetResponseTimeout(virDomainPtr dom, } =20 =20 +#define MIN_DIRTYRATE_CALCULATION_PERIOD 1 /* 1s */ +#define MAX_DIRTYRATE_CALCULATION_PERIOD 60 /* 60s */ + +static int +qemuDomainGetDirtyRateInfo(virDomainPtr dom, + virDomainDirtyRateInfoPtr info, + long long sec, + int flags) +{ + virDomainObjPtr vm =3D NULL; + virQEMUDriverPtr driver =3D dom->conn->privateData; + int ret =3D -1; + + if (!(vm =3D qemuDomainObjFromDomain(dom))) + return ret; + + if (virDomainGetDirtyRateInfoEnsureACL(dom->conn, vm->def) < 0) + goto cleanup; + + if (qemuDomainObjBeginAsyncJob(driver, vm, QEMU_ASYNC_JOB_DIRTYRATE, + VIR_DOMAIN_JOB_OPERATION_DIRTYRATE, 0) = < 0) + goto cleanup; + + qemuDomainObjSetAsyncJobMask(vm, (QEMU_JOB_DEFAULT_MASK | + JOB_MASK(QEMU_JOB_SUSPEND))); + + if (!qemuMigrationSrcIsAllowed(driver, vm, false, 0)) + goto endjob; + + if (flags & VIR_DOMAIN_DIRTYRATE_CALC) { + if (sec < MIN_DIRTYRATE_CALCULATION_PERIOD || sec > MAX_DIRTYRATE_= CALCULATION_PERIOD) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + "seconds=3D%lld is invalid, please choose value= within [1, 60].", sec); + goto endjob; + } + + if (qemuDomainCalculateDirtyRate(dom, vm, sec) < 0) { + virReportError(VIR_ERR_OPERATION_FAILED, "%s", + _("can't calculate domain's dirty rate")); + goto endjob; + } + } + + if (flags & VIR_DOMAIN_DIRTYRATE_QUERY) { + if (flags & VIR_DOMAIN_DIRTYRATE_CALC) { + struct timespec ts =3D { .tv_sec =3D sec, .tv_nsec =3D 50 * 10= 00 * 1000ull }; + + virObjectUnlock(vm); + nanosleep(&ts, NULL); + virObjectLock(vm); + } + + if (qemuDomainQueryDirtyRate(dom, vm, info) < 0) { + virReportError(VIR_ERR_OPERATION_FAILED, "%s", + _("can't query domain's dirty rate")); + goto endjob; + } + } + + ret =3D 0; + + endjob: + qemuDomainObjEndAsyncJob(driver, vm); + + cleanup: + virDomainObjEndAPI(&vm); + return ret; +} + + static virHypervisorDriver qemuHypervisorDriver =3D { .name =3D QEMU_DRIVER_NAME, .connectURIProbe =3D qemuConnectURIProbe, @@ -20294,6 +20364,7 @@ static virHypervisorDriver qemuHypervisorDriver =3D= { .domainAgentSetResponseTimeout =3D qemuDomainAgentSetResponseTimeout, = /* 5.10.0 */ .domainBackupBegin =3D qemuDomainBackupBegin, /* 6.0.0 */ .domainBackupGetXMLDesc =3D qemuDomainBackupGetXMLDesc, /* 6.0.0 */ + .domainGetDirtyRateInfo =3D qemuDomainGetDirtyRateInfo, /* 6.9.0 */ }; =20 =20 diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c index d318224605..5ea49f1f4e 100644 --- a/src/remote/remote_driver.c +++ b/src/remote/remote_driver.c @@ -8426,6 +8426,7 @@ static virHypervisorDriver hypervisor_driver =3D { .domainAgentSetResponseTimeout =3D remoteDomainAgentSetResponseTimeout= , /* 5.10.0 */ .domainBackupBegin =3D remoteDomainBackupBegin, /* 6.0.0 */ .domainBackupGetXMLDesc =3D remoteDomainBackupGetXMLDesc, /* 6.0.0 */ + .domainGetDirtyRateInfo =3D remoteDomainGetDirtyRateInfo, /* 6.9.0 */ }; =20 static virNetworkDriver network_driver =3D { diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x index f4d6147676..ce3d0519c9 100644 --- a/src/remote/remote_protocol.x +++ b/src/remote/remote_protocol.x @@ -3771,6 +3771,19 @@ struct remote_domain_backup_get_xml_desc_ret { remote_nonnull_string xml; }; =20 +struct remote_domain_get_dirty_rate_info_args { + remote_nonnull_domain dom; + hyper sec; + int flags; +}; + +struct remote_domain_get_dirty_rate_info_ret { /* insert@1 */ + int status; + hyper dirtyRate; + hyper startTime; + hyper calcTime; +}; + /*----- Protocol. -----*/ =20 /* Define the program number, protocol version and procedure numbers here.= */ @@ -6668,5 +6681,11 @@ enum remote_procedure { * @priority: high * @acl: domain:read */ - REMOTE_PROC_DOMAIN_BACKUP_GET_XML_DESC =3D 422 + REMOTE_PROC_DOMAIN_BACKUP_GET_XML_DESC =3D 422, + + /** + * @generate: both + * @acl: domain:read + */ + REMOTE_PROC_DOMAIN_GET_DIRTY_RATE_INFO =3D 423 }; --=20 2.23.0