From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753002AbdKJNSe (ORCPT ); Fri, 10 Nov 2017 08:18:34 -0500 Received: from mga02.intel.com ([134.134.136.20]:51353 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752697AbdKJNSd (ORCPT ); Fri, 10 Nov 2017 08:18:33 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,374,1505804400"; d="scan'208";a="174763392" Subject: Re: [PATCH v6 0/6] perf report/script: Support percent and multiple range in --time option To: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com Cc: Linux-kernel@vger.kernel.org, ak@linux.intel.com, kan.liang@intel.com, yao.jin@intel.com References: <1509970871-20996-1-git-send-email-yao.jin@linux.intel.com> From: "Jin, Yao" Message-ID: <418fea58-dae0-fa64-4fc2-2c4efd4e8973@linux.intel.com> Date: Fri, 10 Nov 2017 21:18:29 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <1509970871-20996-1-git-send-email-yao.jin@linux.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed 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 11/6/2017 8:21 PM, Jin Yao wrote: > v6: > --- > 1. Create a new option "--timestamp-boundary" in perf record. > > Currently '--buildid-all' is not enabled by default. So the walking > on all samples is the default operation. There is no big overhead > to calculate the timestamp boundary in process_sample_event handler > once we already go through all samples. So the timestamp boundary > calculation is enabled by default when '--buildid-all' is not enabled. > > While if '--buildid-all' is enabled, we creates a new option > "--timestamp-boundary" for user to decide if it enables the > timestamp boundary calculation. > > Impacted patch: > --------------- > perf record: Get the first sample time and last sample time > > 2. Fix the merge issue with the latest perf/core branch. > No functional changes. > > Impacted patch: > --------------- > perf report: support time percent and multiple time ranges > perf script: support time percent and multiple time ranges > Hi Arnaldo, Is the v6 acceptable or I need to continue improving? I'd like to continue improving the patch if it's needed. Thanks Jin Yao