From patchwork Fri Jan 12 08:55:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fam Zheng X-Patchwork-Id: 10160077 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DE89A602D8 for ; Fri, 12 Jan 2018 09:00:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D0700289BA for ; Fri, 12 Jan 2018 09:00:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BF0BE289BD; Fri, 12 Jan 2018 09:00:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6B2BB289BA for ; Fri, 12 Jan 2018 09:00:03 +0000 (UTC) Received: from localhost ([::1]:54957 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eZvBy-0001l8-LE for patchwork-qemu-devel@patchwork.kernel.org; Fri, 12 Jan 2018 04:00:02 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41537) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eZvAe-0000UI-4w for qemu-devel@nongnu.org; Fri, 12 Jan 2018 03:58:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eZvAd-0004nR-CZ for qemu-devel@nongnu.org; Fri, 12 Jan 2018 03:58:40 -0500 Received: from mx1.redhat.com ([209.132.183.28]:56356) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eZvAY-0004k1-EH; Fri, 12 Jan 2018 03:58:34 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7DADD2BAB; Fri, 12 Jan 2018 08:58:33 +0000 (UTC) Received: from lemon.usersys.redhat.com (ovpn-12-81.pek2.redhat.com [10.72.12.81]) by smtp.corp.redhat.com (Postfix) with ESMTP id 58155798B0; Fri, 12 Jan 2018 08:58:23 +0000 (UTC) From: Fam Zheng To: qemu-devel@nongnu.org Date: Fri, 12 Jan 2018 16:55:52 +0800 Message-Id: <20180112085555.14447-7-famz@redhat.com> In-Reply-To: <20180112085555.14447-1-famz@redhat.com> References: <20180112085555.14447-1-famz@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Fri, 12 Jan 2018 08:58:33 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v5 6/9] qemu-img: Map bench buffer X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Markus Armbruster , Max Reitz , Keith Busch , alex.williamson@redhat.com, Stefan Hajnoczi , Paolo Bonzini , Karl Rister Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Fam Zheng Message-Id: <20180110091846.10699-7-famz@redhat.com> Reviewed-by: Stefan Hajnoczi --- qemu-img.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/qemu-img.c b/qemu-img.c index 68b375f998..28d0e4e9f8 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -3862,6 +3862,7 @@ static int img_bench(int argc, char **argv) struct timeval t1, t2; int i; bool force_share = false; + size_t buf_size; for (;;) { static const struct option long_options[] = { @@ -4050,9 +4051,12 @@ static int img_bench(int argc, char **argv) printf("Sending flush every %d requests\n", flush_interval); } - data.buf = blk_blockalign(blk, data.nrreq * data.bufsize); + buf_size = data.nrreq * data.bufsize; + data.buf = blk_blockalign(blk, buf_size); memset(data.buf, pattern, data.nrreq * data.bufsize); + blk_register_buf(blk, data.buf, buf_size); + data.qiov = g_new(QEMUIOVector, data.nrreq); for (i = 0; i < data.nrreq; i++) { qemu_iovec_init(&data.qiov[i], 1); @@ -4073,6 +4077,9 @@ static int img_bench(int argc, char **argv) + ((double)(t2.tv_usec - t1.tv_usec) / 1000000)); out: + if (data.buf) { + blk_unregister_buf(blk, data.buf); + } qemu_vfree(data.buf); blk_unref(blk);