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=-9.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 EE5FEC46475 for ; Thu, 25 Oct 2018 11:12:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ACB4B2084A for ; Thu, 25 Oct 2018 11:12:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="tA2+WGna" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ACB4B2084A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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 S1728117AbeJYTol (ORCPT ); Thu, 25 Oct 2018 15:44:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:48902 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727308AbeJYTol (ORCPT ); Thu, 25 Oct 2018 15:44:41 -0400 Received: from jouet.infradead.org (unknown [179.97.41.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 063D520856; Thu, 25 Oct 2018 11:12:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1540465942; bh=9aybkfOp3dC+JFO+YjSNz+X8no3Uk580hcOFN6nJtMg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tA2+WGnaSA0ukC0YwnEwAMU4I3HLaq989TNDf5S4CBAMcSxV3gyg3uOFo3D6x+HUb +955YKllf05cfmZZAxXwk8l8XM/KS+GbRLzvB1w/PnxR832K3ElxDlxeEniocME9oV YH1opRANJA9KxX4rYplSYjow6/W6FipGvqCnJ+fo= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Andi Kleen , Kim Phillips , Arnaldo Carvalho de Melo Subject: [PATCH 35/37] tools script: Add --call-trace and --call-ret-trace Date: Thu, 25 Oct 2018 08:10:29 -0300 Message-Id: <20181025111031.3440-36-acme@kernel.org> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20181025111031.3440-1-acme@kernel.org> References: <20181025111031.3440-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen Add short cut options to print PT call trace and call-ret-trace, for calls and call and returns. Roughly corresponds to ftrace function tracer and function graph tracer. Just makes these common use cases nicer to use. % perf record -a -e intel_pt// sleep 1 % perf script --call-trace perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_pmu_enable perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax perf 900 [000] 194167.205652203: ([kernel.kallsyms]) event_filter_match 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 script --call-ret-trace perf 900 [000] 194167.205652203: tr strt ([unknown]) pt_config perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) pt_config perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) pt_event_add perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) perf_pmu_enable perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) perf_pmu_nop_void perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) event_sched_in.isra.107 perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) __x86_indirect_thunk_rax perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) perf_pmu_nop_int perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) group_sched_in perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) event_filter_match perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) event_filter_match perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) group_sched_in perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) __x86_indirect_thunk_rax perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) perf_pmu_nop_txn perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) event_sched_in.isra.107 perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) perf_event_set_state.part.71 Signed-off-by: Andi Kleen Tested-by: Arnaldo Carvalho de Melo Tested-by: Leo Yan Acked-by: Jiri Olsa Cc: Kim Phillips Link: http://lkml.kernel.org/r/20180920180540.14039-4-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-script.txt | 7 +++++++ tools/perf/builtin-script.c | 24 ++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 00c655ab4968..805baabd238e 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -390,6 +390,13 @@ include::itrace.txt[] --xed:: Run xed disassembler on output. Requires installing the xed disassembler. +--call-trace:: + Show call stream for intel_pt traces. The CPUs are interleaved, but + can be filtered with -C. + +--call-ret-trace:: + Show call and return stream for intel_pt traces. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script-perl[1], diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 6099c722a679..566e1450898a 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -3122,6 +3122,26 @@ static int parse_xed(const struct option *opt __maybe_unused, return 0; } +static int parse_call_trace(const struct option *opt __maybe_unused, + const char *str __maybe_unused, + int unset __maybe_unused) +{ + parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); + itrace_parse_synth_opts(opt, "cewp", 0); + nanosecs = true; + return 0; +} + +static int parse_callret_trace(const struct option *opt __maybe_unused, + const char *str __maybe_unused, + int unset __maybe_unused) +{ + parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); + itrace_parse_synth_opts(opt, "crewp", 0); + nanosecs = true; + return 0; +} + int cmd_script(int argc, const char **argv) { bool show_full_info = false; @@ -3213,6 +3233,10 @@ int cmd_script(int argc, const char **argv) "Decode instructions from itrace", parse_insn_trace), OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, "Run xed disassembler on output", parse_xed), + OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, + "Decode calls from from itrace", parse_call_trace), + OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, + "Decode calls and returns from itrace", parse_callret_trace), OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", "Stop display of callgraph at these symbols"), OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), -- 2.14.4