From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752762Ab3LKMmZ (ORCPT ); Wed, 11 Dec 2013 07:42:25 -0500 Received: from mga11.intel.com ([192.55.52.93]:46009 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751453Ab3LKMmW (ORCPT ); Wed, 11 Dec 2013 07:42:22 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,871,1378882800"; d="scan'208";a="448281321" From: Alexander Shishkin To: Peter Zijlstra , Arnaldo Carvalho de Melo Cc: Ingo Molnar , linux-kernel@vger.kernel.org, David Ahern , Frederic Weisbecker , Jiri Olsa , Mike Galbraith , Namhyung Kim , Paul Mackerras , Stephane Eranian , Andi Kleen , Adrian Hunter Subject: [PATCH v0 55/71] perf report: Add Instruction Tracing support Date: Wed, 11 Dec 2013 14:37:07 +0200 Message-Id: <1386765443-26966-56-git-send-email-alexander.shishkin@linux.intel.com> X-Mailer: git-send-email 1.8.4.rc2 In-Reply-To: <1386765443-26966-1-git-send-email-alexander.shishkin@linux.intel.com> References: <1386765443-26966-1-git-send-email-alexander.shishkin@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Adrian Hunter Add support for decoding an Instruction Trace. Signed-off-by: Adrian Hunter --- tools/perf/Documentation/perf-report.txt | 21 +++++++++++++++++++++ tools/perf/builtin-report.c | 12 ++++++++++++ 2 files changed, 33 insertions(+) diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 10a2798..0c10bfb 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -237,6 +237,27 @@ OPTIONS Do not show entries which have an overhead under that percent. (Default: 0). +-Z:: +--itrace:: + Options for decoding Instruction Tracing data. The options are: + + i synthesize instructions events + b synthesize branches events + e synthesize error events + + The default is all events i.e. the same as -Zibe + + In addition, the period (default 1000) for instructions events can be + specified in units of: + + i instructions (default) + t ticks + ms milliseconds + us microseconds + ns nanoseconds + + To disable decoding entirely, use --no-itrace. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-annotate[1] diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 8cf8e66..97e3ee6 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -36,6 +36,8 @@ #include "util/data.h" #include "arch/common.h" +#include "util/itrace.h" + #include #include @@ -768,6 +770,7 @@ parse_percent_limit(const struct option *opt, const char *str, int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) { struct perf_session *session; + struct itrace_synth_opts itrace_synth_opts = {0}; struct stat st; bool has_br_stack = false; int branch_mode = -1; @@ -790,6 +793,10 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) .attr = perf_event__process_attr, .tracing_data = perf_event__process_tracing_data, .build_id = perf_event__process_build_id, + .id_index = perf_event__process_id_index, + .itrace_info = perf_event__process_itrace_info, + .itrace = perf_event__process_itrace, + .itrace_error = perf_event__count_itrace_error, .ordered_samples = true, .ordering_requires_timestamps = true, }, @@ -884,6 +891,9 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), OPT_CALLBACK(0, "percent-limit", &report, "percent", "Don't show entries under that percent", parse_percent_limit), + OPT_CALLBACK_OPTARG('Z', "itrace", &itrace_synth_opts, NULL, "opts", + "Instruction Tracing options", + itrace_parse_synth_opts), OPT_END() }; struct perf_data_file file = { @@ -919,6 +929,8 @@ repeat: if (session == NULL) return -ENOMEM; + session->itrace_synth_opts = &itrace_synth_opts; + report.session = session; has_br_stack = perf_header__has_feat(&session->header, -- 1.8.5.1