From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751380AbdJBM56 (ORCPT ); Mon, 2 Oct 2017 08:57:58 -0400 Received: from mga07.intel.com ([134.134.136.100]:36959 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751062AbdJBM55 (ORCPT ); Mon, 2 Oct 2017 08:57:57 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,469,1500966000"; d="scan'208";a="134307186" Subject: Re: [PATCH v3 5/6] perf report: support time percent and multiple time ranges To: Jiri Olsa Cc: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com, Linux-kernel@vger.kernel.org, ak@linux.intel.com, kan.liang@intel.com, yao.jin@intel.com References: <1506602721-3784-1-git-send-email-yao.jin@linux.intel.com> <1506602721-3784-6-git-send-email-yao.jin@linux.intel.com> <20171002115211.GB16128@krava> From: "Jin, Yao" Message-ID: Date: Mon, 2 Oct 2017 20:57:48 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <20171002115211.GB16128@krava> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/2/2017 7:52 PM, Jiri Olsa wrote: > On Thu, Sep 28, 2017 at 08:45:20PM +0800, Jin Yao wrote: >> perf report has a --time option to limit the time range of output. >> It only supports absolute time. >> >> Now this option is extended to support multiple time ranges and >> support the percent of time. >> >> For example: >> >> 1. Select the first and second 10% time slices >> perf report --time 10%/1,10%/2 > > hum, this one passes: > > [jolsa@krava perf]$ ./perf script --time 10%/10x12321xsdfdasfdsafdsafdsa > yes 20923 218485.067881: 9263754 cycles:ppp: ffffffffa4263cca __vfs_write ([kernel.kallsyms]) > yes 20923 218485.070805: 6734429666984 cycles:ppp: ffffffffa42659e3 sys_write ([kernel.kallsyms]) > yes 20923 218485.181272: 6927427 cycles:ppp: ffffffffa42643b3 vfs_write ([kernel.kallsyms]) > yes 20923 218485.183446: 7696489147307 cycles:ppp: ffffffffa442a9ee lockref_put_return ([kernel.kallsyms]) > yes 20923 218485.292921: 9265358 cycles:ppp: 5648b27c63b0 _init (/usr/bin/yes) > yes 20923 218485.295866: 6734429665913 cycles:ppp: ffffffffa42641b7 rw_verify_area ([kernel.kallsyms]) > yes 20923 218485.406225: 6930289 cycles:ppp: ffffffffa42ab8dd __fsnotify_parent ([kernel.kallsyms]) > yes 20923 218485.408399: 7696489149499 cycles:ppp: ffffffffa426418f rw_verify_area ([kernel.kallsyms]) > yes 20923 218485.517885: 9266280 cycles:ppp: ffffffffa42ab926 __fsnotify_parent ([kernel.kallsyms]) > yes 20923 218485.520860: 6734429663933 cycles:ppp: 5648b27c6ccb full_write (/usr/bin/yes) > > please add a test for this > > jirka > Sorry, I will add test for checking this case. Thanks Jin Yao