From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966482AbcAZPas (ORCPT ); Tue, 26 Jan 2016 10:30:48 -0500 Received: from mail.kernel.org ([198.145.29.136]:51877 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965983AbcAZPap (ORCPT ); Tue, 26 Jan 2016 10:30:45 -0500 Date: Tue, 26 Jan 2016 12:30:36 -0300 From: Arnaldo Carvalho de Melo To: Jiri Olsa Cc: Namhyung Kim , Ingo Molnar , Peter Zijlstra , Jiri Olsa , LKML , Andi Kleen , David Ahern , Frederic Weisbecker , Wang Nan Subject: Re: [PATCHSET 00/12] perf tools: Apply percent-limit to callchains Message-ID: <20160126153035.GG4361@kernel.org> References: <1453643615-1616-1-git-send-email-namhyung@kernel.org> <20160126121447.GA19017@krava.brq.redhat.com> <20160126125159.GB24496@danjae.kornet> <20160126132726.GA21547@krava.brq.redhat.com> <20160126141025.GA6506@danjae.kornet> <20160126144135.GB24661@krava.brq.redhat.com> <20160126144907.GB6506@danjae.kornet> <20160126151800.GA25977@krava.brq.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160126151800.GA25977@krava.brq.redhat.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Tue, Jan 26, 2016 at 04:18:00PM +0100, Jiri Olsa escreveu: > On Tue, Jan 26, 2016 at 11:49:07PM +0900, Namhyung Kim wrote: > > SNIP > > > > __hrtimer_run_queues > > > tick_sched_timer > > > tick_sched_handle.isra.17 > > > update_process_times > > > scheduler_tick > > > perf_event_task_tick > > > perf_pmu_enable.part.87 > > > x86_pmu_enable > > > intel_pmu_enable_all > > > intel_bts_enable_local > > > > > > 0.08% 0.00% perf [kernel.vmlinux] [k] perf_pmu_enable.part.87 > > > 0.08% 0.00% perf [kernel.vmlinux] [k] perf_event_context_sched_in > > > 0.08% 0.00% perf [kernel.vmlinux] [k] perf_event_exec > > > 0.08% 0.00% perf [kernel.vmlinux] [k] setup_new_exec > > > 0.08% 0.00% perf [kernel.vmlinux] [k] load_elf_binary > > > 0.08% 0.00% perf [kernel.vmlinux] [k] search_binary_handler > > > 0.08% 0.00% perf [kernel.vmlinux] [k] do_execveat_common.isra.33 > > > 0.08% 0.00% perf [kernel.vmlinux] [k] sys_execve > > > 0.08% 0.00% perf [kernel.vmlinux] [k] return_from_execve > > > 0.08% 0.00% perf [unknown] [k] 0x00007f2175b35e07 > > > 0.04% 0.00% perf [kernel.vmlinux] [k] perf_event_nmi_handler > > > 0.04% 0.00% perf [kernel.vmlinux] [k] nmi_handle > > > 0.04% 0.00% perf [kernel.vmlinux] [k] default_do_nmi > > > 0.04% 0.00% perf [kernel.vmlinux] [k] do_nmi > > > 0.04% 0.00% perf [kernel.vmlinux] [k] end_repeat_nmi > > > 0.04% 0.04% perf [kernel.vmlinux] [k] x86_pmu_enable > > > 0.04% 0.04% perf [kernel.vmlinux] [k] native_apic_mem_write > > > > > > > What's the problem? Now by default callchains under 0.5% (absolute) > > will not be shown. I think this is intended output, and we need to > > consider changing the default percent limit. > > hm, just the TUI shows +- for entries with no callchain Humm, this is an old bug, never got around to try to fix it, or is this something you were not experiencing before this patchkit from Namhyung? - Arnaldo