From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754180AbdDLPnA (ORCPT ); Wed, 12 Apr 2017 11:43:00 -0400 Received: from mga06.intel.com ([134.134.136.31]:38124 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752412AbdDLPm5 (ORCPT ); Wed, 12 Apr 2017 11:42:57 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.37,191,1488873600"; d="scan'208";a="1134502407" Subject: Re: [PATCH v4 0/5] perf report: Show branch type 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, linuxppc-dev@lists.ozlabs.org References: <1491949266-6835-1-git-send-email-yao.jin@linux.intel.com> <20170412105839.GC14409@krava> <20170412142647.GA27451@krava> From: "Jin, Yao" Message-ID: <9bbb8cc8-30d4-49b4-771b-fb529024aa98@linux.intel.com> Date: Wed, 12 Apr 2017 23:42:44 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.0 MIME-Version: 1.0 In-Reply-To: <20170412142647.GA27451@krava> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/12/2017 10:26 PM, Jiri Olsa wrote: > On Wed, Apr 12, 2017 at 08:25:34PM +0800, Jin, Yao wrote: > > SNIP > >>> # Overhead Command Source Shared Object Source Symbol Target Symbol Basic Block Cycles >>> # ........ ....... .................... ....................................... ....................................... .................. >>> # >>> 8.30% perf >>> Um [kernel.vmlinux] [k] __intel_pmu_enable_all.constprop.17 [k] native_write_msr - >>> 7.91% perf >>> Um [kernel.vmlinux] [k] intel_pmu_lbr_enable_all [k] __intel_pmu_enable_all.constprop.17 - >>> 7.91% perf >>> Um [kernel.vmlinux] [k] native_write_msr [k] intel_pmu_lbr_enable_all - >>> 6.32% kill libc-2.24.so [.] _dl_addr [.] _dl_addr - >>> 5.93% perf >>> Um [kernel.vmlinux] [k] perf_iterate_ctx [k] perf_iterate_ctx - >>> 2.77% kill libc-2.24.so [.] malloc [.] malloc - >>> 1.98% kill libc-2.24.so [.] _int_malloc [.] _int_malloc - >>> 1.58% kill [kernel.vmlinux] [k] __rb_insert_augmented [k] __rb_insert_augmented - >>> 1.58% perf >>> Um [kernel.vmlinux] [k] perf_event_exec [k] perf_event_exec - >>> 1.19% kill [kernel.vmlinux] [k] anon_vma_interval_tree_insert [k] anon_vma_interval_tree_insert - >>> 1.19% kill [kernel.vmlinux] [k] free_pgd_range [k] free_pgd_range - >>> 1.19% kill [kernel.vmlinux] [k] n_tty_write [k] n_tty_write - >>> 1.19% perf >>> Um [kernel.vmlinux] [k] native_sched_clock [k] sched_clock - >>> ... >>> SNIP >>> >>> >>> jirka >> Hi, >> >> Thanks so much for trying this patch. >> >> The branch statistics is printed at the end of perf report --stdio. > yep, but for some reason with your changes the head report > got changed as well, I haven't checked the details yet.. > > jirka The kill returns immediately with no parameter error. Could you try an application which can run for a while? For example: perf record -j any,save_type top Thanks Jin Yao