From patchwork Sat May 14 12:01:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Denis V. Lunev" X-Patchwork-Id: 9094961 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A23ED9F1C1 for ; Sat, 14 May 2016 12:04:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 10BC620251 for ; Sat, 14 May 2016 12:04:02 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id 5ACC6201FE for ; Sat, 14 May 2016 12:04:01 +0000 (UTC) Received: from localhost ([::1]:37515 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b1YIa-0000Kj-NE for patchwork-qemu-devel@patchwork.kernel.org; Sat, 14 May 2016 08:04:00 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40052) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b1YGn-0004p8-Og for qemu-devel@nongnu.org; Sat, 14 May 2016 08:02:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b1YGm-0006qs-O6 for qemu-devel@nongnu.org; Sat, 14 May 2016 08:02:09 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:27678 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b1YGm-0006lx-BM for qemu-devel@nongnu.org; Sat, 14 May 2016 08:02:08 -0400 Received: from hades.sw.ru ([10.30.8.132]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id u4EC1Dni032296; Sat, 14 May 2016 15:01:20 +0300 (MSK) From: "Denis V. Lunev" To: qemu-devel@nongnu.org Date: Sat, 14 May 2016 15:01:11 +0300 Message-Id: <1463227273-27523-5-git-send-email-den@openvz.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1463227273-27523-1-git-send-email-den@openvz.org> References: <1463227273-27523-1-git-send-email-den@openvz.org> X-detected-operating-system: by eggs.gnu.org: OpenBSD 3.x X-Received-From: 195.214.232.25 Subject: [Qemu-devel] [PATCH 4/6] qcow2: add tracepoints for qcow2_co_write_zeroes 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 , den@openvz.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Denis V. Lunev CC: Kevin Wolf --- block/qcow2.c | 5 +++++ trace-events | 2 ++ 2 files changed, 7 insertions(+) diff --git a/block/qcow2.c b/block/qcow2.c index 9a54bbd..97bf870 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -2435,6 +2435,9 @@ static coroutine_fn int qcow2_co_write_zeroes(BlockDriverState *bs, int head = sector_num % s->cluster_sectors; int tail = (sector_num + nb_sectors) % s->cluster_sectors; + trace_qcow2_write_zeroes_start_req(qemu_coroutine_self(), sector_num, + nb_sectors); + if (head != 0 || tail != 0) { int64_t cl_start = sector_num - head; @@ -2457,6 +2460,8 @@ static coroutine_fn int qcow2_co_write_zeroes(BlockDriverState *bs, qemu_co_mutex_lock(&s->lock); } + trace_qcow2_write_zeroes(qemu_coroutine_self(), sector_num, nb_sectors); + /* Whatever is left can use real zero clusters */ ret = qcow2_zero_clusters(bs, sector_num << BDRV_SECTOR_BITS, nb_sectors); qemu_co_mutex_unlock(&s->lock); diff --git a/trace-events b/trace-events index 4fce005..627f34f 100644 --- a/trace-events +++ b/trace-events @@ -612,6 +612,8 @@ qcow2_writev_done_req(void *co, int ret) "co %p ret %d" qcow2_writev_start_part(void *co) "co %p" qcow2_writev_done_part(void *co, int cur_nr_sectors) "co %p cur_nr_sectors %d" qcow2_writev_data(void *co, uint64_t offset) "co %p offset %" PRIx64 +qcow2_write_zeroes_start_req(void *co, int64_t sector, int nb_sectors) "co %p sector %" PRIx64 " nb_sectors %d" +qcow2_write_zeroes(void *co, int64_t sector, int nb_sectors) "co %p sector %" PRIx64 " nb_sectors %d" # block/qcow2-cluster.c qcow2_alloc_clusters_offset(void *co, uint64_t offset, int num) "co %p offset %" PRIx64 " num %d"