From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7C38C43334 for ; Mon, 3 Sep 2018 07:51:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 623B1204EC for ; Mon, 3 Sep 2018 07:51:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 623B1204EC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726133AbeICMK2 (ORCPT ); Mon, 3 Sep 2018 08:10:28 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:39518 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725920AbeICMK1 (ORCPT ); Mon, 3 Sep 2018 08:10:27 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B67432636E; Mon, 3 Sep 2018 07:51:29 +0000 (UTC) Received: from krava (unknown [10.43.17.81]) by smtp.corp.redhat.com (Postfix) with SMTP id CD637A9E73; Mon, 3 Sep 2018 07:51:28 +0000 (UTC) Date: Mon, 3 Sep 2018 09:51:28 +0200 From: Jiri Olsa To: Andi Kleen Cc: acme@kernel.org, jolsa@kernel.org, linux-kernel@vger.kernel.org, Andi Kleen Subject: Re: [PATCH v2 10/10] tools, perf, script: Implement --graph-function Message-ID: <20180903075128.GE24575@krava> References: <20180831220206.28351-1-andi@firstfloor.org> <20180831220206.28351-11-andi@firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180831220206.28351-11-andi@firstfloor.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Mon, 03 Sep 2018 07:51:29 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Mon, 03 Sep 2018 07:51:29 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jolsa@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 31, 2018 at 03:02:06PM -0700, Andi Kleen wrote: > From: Andi Kleen > > Add a ftrace style --graph-function argument to perf script that allows > to print itrace function calls only below a given function. This > makes it easier to find the code of interest in a large trace. > > % perf record -e intel_pt//k -a sleep 1 > % perf script --graph-function group_sched_in --call-trace > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) group_sched_in > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) event_sched_in.isra.107 > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_event_set_state.part.71 > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_event_update_time > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_pmu_disable > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_log_itrace_start > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_event_update_userpage > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) calc_timer_values > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) sched_clock_cpu > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) arch_perf_update_userpage > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __fentry__ > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) using_native_sched_clock > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) sched_clock_stable > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_pmu_enable > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) group_sched_in > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) __x86_indirect_thunk_rax > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) event_sched_in.isra.107 > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) perf_event_set_state.part.71 > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) perf_event_update_time > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) perf_pmu_disable > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) perf_log_itrace_start > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) __x86_indirect_thunk_rax > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) perf_event_update_userpage > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) calc_timer_values > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) sched_clock_cpu > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) __x86_indirect_thunk_rax > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) arch_perf_update_userpage > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) __fentry__ > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) using_native_sched_clock > swapper 0 [001] 194167.205660693: ([kernel.kallsyms]) sched_clock_stable nice, but I'm also getting a lot of these lines: instruction trace error type 1 cpu 0 pid 0 tid 0 ip 0xffffffffb3a017a0 code 6: Trace doesn't match instruction instruction trace error type 1 cpu 0 pid 0 tid 0 ip 0xffffffffb3a017a0 code 6: Trace doesn't match instruction instruction trace error type 1 cpu 0 pid 0 tid 0 ip 0xffffffffb3a017a0 code 6: Trace doesn't match instruction any idea where are those comming from? thanks, jirka