From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751953AbdF1QmB (ORCPT ); Wed, 28 Jun 2017 12:42:01 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:55544 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751528AbdF1Qlu (ORCPT ); Wed, 28 Jun 2017 12:41:50 -0400 Subject: Re: [PATCH V4 11/12] blktrace: add an option to allow displying cgroup path To: Shaohua Li , , CC: , , , , , , Shaohua Li References: <4fd5daa04db8e79e5f9e85e348112af1dc714cc4.1498666964.git.shli@fb.com> From: Jens Axboe Message-ID: <209b9d5e-291c-882f-5116-53ad9c6eee2b@fb.com> Date: Wed, 28 Jun 2017 10:41:14 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <4fd5daa04db8e79e5f9e85e348112af1dc714cc4.1498666964.git.shli@fb.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US 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1;MWHPR15MB1199;20:eezY7kcRD0PeTbfSc2rPajp9GVDeMFZxxQphT7Mw5ad0lQMxV9cw+aOhs5DRaMXBTrkHttK6ALphqXJRxjTGRKjaPan8g9xkUSBPWjzkAJ4yReCPOjc09iuElwGp69hDTffv/zpn8d2IOww3HQPK0WQVWNfn6mZxZDezSYiUlyg= X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jun 2017 16:41:22.6210 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR15MB1199 X-OriginatorOrg: fb.com X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-06-28_11:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/28/2017 10:30 AM, Shaohua Li wrote: > From: Shaohua Li > > By default we output cgroup id in blktrace. This adds an option to > display cgroup path. Since get cgroup path is a relativly heavy > operation, we don't enable it by default. > > with the option enabled, blktrace will output something like this: > dd-1353 [007] d..2 293.015252: 8,0 /test/level D R 24 + 8 [dd] Typo in your subject, "displaying". -- Jens Axboe