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Fri, 16 Jul 2021 10:42:39 +0000 (UTC) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-431-dIIsDLRBPgeGyNEQpRSjyw-1; Fri, 16 Jul 2021 06:42:35 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.55]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4GR7485rldz7tc4; Fri, 16 Jul 2021 18:38:00 +0800 (CST) Received: from dggpeml500009.china.huawei.com (7.185.36.209) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 16 Jul 2021 18:42:31 +0800 Received: from 90078.china.huawei.com (10.174.187.199) by dggpeml500009.china.huawei.com (7.185.36.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 16 Jul 2021 18:42:31 +0800 X-MC-Unique: ScwSDPENOvyw5mYIr969CQ-1 X-MC-Unique: dIIsDLRBPgeGyNEQpRSjyw-1 From: Yang Fei To: Subject: [PATCH v3 2/2] qemu: Introduce qemuDomainGetStatsCpuHaltPollTime Date: Fri, 16 Jul 2021 18:42:23 +0800 Message-ID: <20210716104223.39176-3-yangfei85@huawei.com> In-Reply-To: <20210716104223.39176-1-yangfei85@huawei.com> References: <20210716104223.39176-1-yangfei85@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.187.199] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml500009.china.huawei.com (7.185.36.209) X-CFilter-Loop: Reflected X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; 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 10.11.54.6 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 16GAgh6E009127 X-loop: libvir-list@redhat.com Cc: yubihong@huawei.com, pkrempa@redhat.com, mprivozn@redhat.com, yangfei85@huawei.com, xiexiangyou@huawei.com, liangpeng10@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 10.5.11.13 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 X-ZM-MESSAGEID: 1626432185470100001 Content-Type: text/plain; charset="utf-8" This function add halt polling time interface in domstats. So that we can use command 'virsh domstats VM' to get the data if system support. Signed-off-by: Yang Fei --- src/libvirt-domain.c | 7 +++++++ src/qemu/qemu_driver.c | 20 ++++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c index 750e32f0ca..8e58c1b43f 100644 --- a/src/libvirt-domain.c +++ b/src/libvirt-domain.c @@ -11625,6 +11625,13 @@ virConnectGetDomainCapabilities(virConnectPtr conn, * "cpu.user" - user cpu time spent in nanoseconds as unsigned long lo= ng. * "cpu.system" - system cpu time spent in nanoseconds as unsigned long * long. + * "haltpollsuccess.time" - halt-polling cpu usage about the VCPU poll= ed + * until a virtual interrupt was delivered in + * nanoseconds as unsigned long long. + * "haltpollfail.time" - halt-polling cpu usage about the VCPU had to = schedule + * out (either because the maximum poll time was= reached + * or it needed to yield the CPU) in nanoseconds= as + * unsigned long long. * "cpu.cache.monitor.count" - the number of cache monitors for this d= omain * "cpu.cache.monitor..name" - the name of cache monitor * "cpu.cache.monitor..vcpus" - vcpu list of cache monitor diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 235f575901..adb4628558 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -17839,6 +17839,23 @@ qemuDomainGetStatsCpuCgroup(virDomainObj *dom, return 0; } =20 +static int +qemuDomainGetStatsCpuHaltPollTime(virDomainObj *dom, + virTypedParamList *params) +{ + unsigned long long haltPollSuccess =3D 0; + unsigned long long haltPollFail =3D 0; + pid_t pid =3D dom->pid; + + if (virGetCpuHaltPollTime(pid, &haltPollSuccess, &haltPollFail) < 0) + return 0; + + if (virTypedParamListAddULLong(params, haltPollSuccess, "haltpollsucce= ss.time") < 0 || + virTypedParamListAddULLong(params, haltPollFail, "haltpollfail.tim= e") < 0) + return -1; + + return 0; +} =20 static int qemuDomainGetStatsCpu(virQEMUDriver *driver, @@ -17852,6 +17869,9 @@ qemuDomainGetStatsCpu(virQEMUDriver *driver, if (qemuDomainGetStatsCpuCache(driver, dom, params) < 0) return -1; =20 + if (qemuDomainGetStatsCpuHaltPollTime(dom, params) < 0) + return -1; + return 0; } =20 --=20 2.23.0