From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423514AbbEEVcy (ORCPT ); Tue, 5 May 2015 17:32:54 -0400 Received: from casper.infradead.org ([85.118.1.10]:43495 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423405AbbEEVcg (ORCPT ); Tue, 5 May 2015 17:32:36 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Adrian Hunter , David Ahern , Frederic Weisbecker , Namhyung Kim , Peter Zijlstra , Stephane Eranian , Arnaldo Carvalho de Melo Subject: [PATCH 05/25] perf auxtrace: Add option to synthesize events for transactions Date: Tue, 5 May 2015 18:31:59 -0300 Message-Id: <1430861539-30518-6-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1430861539-30518-1-git-send-email-acme@kernel.org> References: <1430861539-30518-1-git-send-email-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Adrian Hunter Add AUX area tracing option 'x' to synthesize events for transactions. This will be used by Intel PT to synthesize an event record for each TSX start, commit or abort. Signed-off-by: Adrian Hunter Acked-by: Jiri Olsa Cc: David Ahern Cc: Frederic Weisbecker Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1430404667-10593-6-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-inject.txt | 9 +++++---- tools/perf/Documentation/perf-report.txt | 9 +++++---- tools/perf/Documentation/perf-script.txt | 9 +++++---- tools/perf/util/auxtrace.c | 5 ++++- tools/perf/util/auxtrace.h | 2 ++ 5 files changed, 21 insertions(+), 13 deletions(-) diff --git a/tools/perf/Documentation/perf-inject.txt b/tools/perf/Documentation/perf-inject.txt index bb1f655..b876ae3 100644 --- a/tools/perf/Documentation/perf-inject.txt +++ b/tools/perf/Documentation/perf-inject.txt @@ -52,11 +52,12 @@ OPTIONS b synthesize branches events c synthesize branches events (calls only) r synthesize branches events (returns only) + x synthesize transactions events e synthesize error events d create a debug log - g synthesize a call chain for instructions events + g synthesize a call chain (use with i or x) - The default is all events i.e. the same as --itrace=ibe + The default is all events i.e. the same as --itrace=ibxe In addition, the period (default 100000) for instructions events can be specified in units of: @@ -67,8 +68,8 @@ OPTIONS us microseconds ns nanoseconds (default) - Also the call chain size (default 16, max. 1024) for instructions - events can be specified. + Also the call chain size (default 16, max. 1024) for instructions or + transactions events can be specified. SEE ALSO -------- diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index b771340..27190ed 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -331,11 +331,12 @@ OPTIONS b synthesize branches events c synthesize branches events (calls only) r synthesize branches events (returns only) + x synthesize transactions events e synthesize error events d create a debug log - g synthesize a call chain for instructions events + g synthesize a call chain (use with i or x) - The default is all events i.e. the same as --itrace=ibe + The default is all events i.e. the same as --itrace=ibxe In addition, the period (default 100000) for instructions events can be specified in units of: @@ -346,8 +347,8 @@ OPTIONS us microseconds ns nanoseconds (default) - Also the call chain size (default 16, max. 1024) for instructions - events can be specified. + Also the call chain size (default 16, max. 1024) for instructions or + transactions events can be specified. To disable decoding entirely, use --no-itrace. diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index b29cd2f..c82df57 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -235,11 +235,12 @@ OPTIONS b synthesize branches events c synthesize branches events (calls only) r synthesize branches events (returns only) + x synthesize transactions events e synthesize error events d create a debug log - g synthesize a call chain for instructions events + g synthesize a call chain (use with i or x) - The default is all events i.e. the same as --itrace=ibe + The default is all events i.e. the same as --itrace=ibxe In addition, the period (default 100000) for instructions events can be specified in units of: @@ -250,8 +251,8 @@ OPTIONS us microseconds ns nanoseconds (default) - Also the call chain size (default 16, max. 1024) for instructions - events can be specified. + Also the call chain size (default 16, max. 1024) for instructions or + transactions events can be specified. To disable decoding entirely, use --no-itrace. diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index 28ce134..1293710 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -888,6 +888,7 @@ void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts) { synth_opts->instructions = true; synth_opts->branches = true; + synth_opts->transactions = true; synth_opts->errors = true; synth_opts->period_type = PERF_ITRACE_DEFAULT_PERIOD_TYPE; synth_opts->period = PERF_ITRACE_DEFAULT_PERIOD; @@ -960,6 +961,9 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str, case 'b': synth_opts->branches = true; break; + case 'x': + synth_opts->transactions = true; + break; case 'e': synth_opts->errors = true; break; @@ -975,7 +979,6 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str, synth_opts->returns = true; break; case 'g': - synth_opts->instructions = true; synth_opts->callchain = true; synth_opts->callchain_sz = PERF_ITRACE_DEFAULT_CALLCHAIN_SZ; diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index 77b4699..8c6cbb1 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -54,6 +54,7 @@ enum itrace_period_type { * because 'perf inject' will write it out * @instructions: whether to synthesize 'instructions' events * @branches: whether to synthesize 'branches' events + * @transactions: whether to synthesize events for transactions * @errors: whether to synthesize decoder error events * @dont_decode: whether to skip decoding entirely * @log: write a decoding log @@ -69,6 +70,7 @@ struct itrace_synth_opts { bool inject; bool instructions; bool branches; + bool transactions; bool errors; bool dont_decode; bool log; -- 2.1.0