From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3w37VC3MPyzDq7j for ; Thu, 13 Apr 2017 01:42:58 +1000 (AEST) 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 MIME-Version: 1.0 In-Reply-To: <20170412142647.GA27451@krava> Content-Type: text/plain; charset=utf-8; format=flowed List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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