From nobody Tue May 13 20:26:11 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1538743526042459.9575980340992; Fri, 5 Oct 2018 05:45:26 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AE47780F94; Fri, 5 Oct 2018 12:45:22 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 574176A765; Fri, 5 Oct 2018 12:45:22 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id E55D8180BAD1; Fri, 5 Oct 2018 12:45:21 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w95CjKBH022929 for ; Fri, 5 Oct 2018 08:45:20 -0400 Received: by smtp.corp.redhat.com (Postfix) id 49A8145DC; Fri, 5 Oct 2018 12:45:20 +0000 (UTC) Received: from antique-work.brq.redhat.com (unknown [10.43.2.181]) by smtp.corp.redhat.com (Postfix) with ESMTP id C0423341E4 for ; Fri, 5 Oct 2018 12:45:11 +0000 (UTC) From: Pavel Hrdina To: libvir-list@redhat.com Date: Fri, 5 Oct 2018 14:43:43 +0200 Message-Id: <79889351837e681e2b932c0903a0797bce820ac7.1538742563.git.phrdina@redhat.com> In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-loop: libvir-list@redhat.com Subject: [libvirt] [PATCH v2 22/53] vircgroup: introduce virCgroupV2GetBlkioIoDeviceServiced 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: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Fri, 05 Oct 2018 12:45:24 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Pavel Hrdina --- src/util/vircgroupv2.c | 64 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c index f7e1ac8680..e0cffb489b 100644 --- a/src/util/vircgroupv2.c +++ b/src/util/vircgroupv2.c @@ -639,6 +639,69 @@ virCgroupV2GetBlkioIoServiced(virCgroupPtr group, } =20 =20 +static int +virCgroupV2GetBlkioIoDeviceServiced(virCgroupPtr group, + const char *path, + long long *bytes_read, + long long *bytes_write, + long long *requests_read, + long long *requests_write) +{ + VIR_AUTOFREE(char *) str1 =3D NULL; + VIR_AUTOFREE(char *) str2 =3D NULL; + char *p1; + size_t i; + + const char *value_names[] =3D { + "rbytes=3D", + "wbytes=3D", + "rios=3D", + "wios=3D", + }; + long long *value_ptrs[] =3D { + bytes_read, + bytes_write, + requests_read, + requests_write + }; + + if (virCgroupGetValueStr(group, + VIR_CGROUP_CONTROLLER_BLKIO, + "io.stat", &str1) < 0) { + return -1; + } + + if (!(str2 =3D virCgroupGetBlockDevString(path))) + return -1; + + if (!(p1 =3D strstr(str1, str2))) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Cannot find byte stats for block device '%s'"), + str2); + return -1; + } + + for (i =3D 0; i < ARRAY_CARDINALITY(value_names); i++) { + if (!(p1 =3D strstr(p1, value_names[i]))) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Cannot find byte '%s' stats for block device= '%s'"), + value_names[i], str2); + return -1; + } + + p1 +=3D strlen(value_names[i]); + if (virStrToLong_ll(p1, &p1, 10, value_ptrs[i]) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Cannot parse '%s' stat '%s'"), + value_names[i], p1); + return -1; + } + } + + return 0; +} + + virCgroupBackend virCgroupV2Backend =3D { .type =3D VIR_CGROUP_BACKEND_TYPE_V2, =20 @@ -664,6 +727,7 @@ virCgroupBackend virCgroupV2Backend =3D { .setBlkioWeight =3D virCgroupV2SetBlkioWeight, .getBlkioWeight =3D virCgroupV2GetBlkioWeight, .getBlkioIoServiced =3D virCgroupV2GetBlkioIoServiced, + .getBlkioIoDeviceServiced =3D virCgroupV2GetBlkioIoDeviceServiced, }; =20 =20 --=20 2.17.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list