From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966489AbbLRJHG (ORCPT ); Fri, 18 Dec 2015 04:07:06 -0500 Received: from terminus.zytor.com ([198.137.202.10]:52338 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753683AbbLRJG7 (ORCPT ); Fri, 18 Dec 2015 04:06:59 -0500 Date: Fri, 18 Dec 2015 01:06:39 -0800 From: tip-bot for Jiri Olsa Message-ID: Cc: namhyung@kernel.org, a.p.zijlstra@chello.nl, dsahern@gmail.com, tglx@linutronix.de, jolsa@kernel.org, mingo@kernel.org, acme@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, kan.liang@intel.com Reply-To: kan.liang@intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, acme@redhat.com, dsahern@gmail.com, a.p.zijlstra@chello.nl, tglx@linutronix.de, jolsa@kernel.org, mingo@kernel.org, namhyung@kernel.org In-Reply-To: <1445784728-21732-23-git-send-email-jolsa@kernel.org> References: <1445784728-21732-23-git-send-email-jolsa@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf tools: Add event_update event scale type Git-Commit-ID: daeecbc0c431f15f492fb8d704080a02de6e2918 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: daeecbc0c431f15f492fb8d704080a02de6e2918 Gitweb: http://git.kernel.org/tip/daeecbc0c431f15f492fb8d704080a02de6e2918 Author: Jiri Olsa AuthorDate: Sun, 25 Oct 2015 15:51:38 +0100 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 17 Dec 2015 15:11:59 -0300 perf tools: Add event_update event scale type A__allocdding scale type 'event update' event, that stores/transfer events scale value. The PMU events can define the scale value which is used to multiply events data. Signed-off-by: Jiri Olsa Tested-by: Kan Liang Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1445784728-21732-23-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/event_update.c | 21 +++++++++++++++++++++ tools/perf/util/event.h | 5 +++++ tools/perf/util/header.c | 26 ++++++++++++++++++++++++++ tools/perf/util/header.h | 3 +++ 4 files changed, 55 insertions(+) diff --git a/tools/perf/tests/event_update.c b/tools/perf/tests/event_update.c index 9cdf4c9..a91fcef 100644 --- a/tools/perf/tests/event_update.c +++ b/tools/perf/tests/event_update.c @@ -18,6 +18,22 @@ static int process_event_unit(struct perf_tool *tool __maybe_unused, return 0; } +static int process_event_scale(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) +{ + struct event_update_event *ev = (struct event_update_event *) event; + struct event_update_event_scale *ev_data; + + ev_data = (struct event_update_event_scale *) ev->data; + + TEST_ASSERT_VAL("wrong id", ev->id == 123); + TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__SCALE); + TEST_ASSERT_VAL("wrong scale", ev_data->scale = 0.123); + return 0; +} + int test__event_update(int subtest __maybe_unused) { struct perf_evlist *evlist; @@ -38,5 +54,10 @@ int test__event_update(int subtest __maybe_unused) TEST_ASSERT_VAL("failed to synthesize attr update unit", !perf_event__synthesize_event_update_unit(NULL, evsel, process_event_unit)); + evsel->scale = 0.123; + + TEST_ASSERT_VAL("failed to synthesize attr update scale", + !perf_event__synthesize_event_update_scale(NULL, evsel, process_event_scale)); + return 0; } diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 64c4cdf..44198e8 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -310,6 +310,11 @@ struct attr_event { enum { PERF_EVENT_UPDATE__UNIT = 0, + PERF_EVENT_UPDATE__SCALE = 1, +}; + +struct event_update_event_scale { + double scale; }; struct event_update_event { diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 5759ebf..30edb4b 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2723,6 +2723,27 @@ perf_event__synthesize_event_update_unit(struct perf_tool *tool, return err; } +int +perf_event__synthesize_event_update_scale(struct perf_tool *tool, + struct perf_evsel *evsel, + perf_event__handler_t process) +{ + struct event_update_event *ev; + struct event_update_event_scale *ev_data; + int err; + + ev = event_update_event__new(sizeof(*ev_data), PERF_EVENT_UPDATE__SCALE, evsel->id[0]); + if (ev == NULL) + return -ENOMEM; + + ev_data = (struct event_update_event_scale *) ev->data; + ev_data->scale = evsel->scale; + err = process(tool, (union perf_event*) ev, NULL, NULL); + free(ev); + return err; +} + + int perf_event__synthesize_attrs(struct perf_tool *tool, struct perf_session *session, perf_event__handler_t process) @@ -2787,6 +2808,7 @@ int perf_event__process_event_update(struct perf_tool *tool __maybe_unused, struct perf_evlist **pevlist) { struct event_update_event *ev = &event->event_update; + struct event_update_event_scale *ev_scale; struct perf_evlist *evlist; struct perf_evsel *evsel; @@ -2802,6 +2824,10 @@ int perf_event__process_event_update(struct perf_tool *tool __maybe_unused, switch (ev->type) { case PERF_EVENT_UPDATE__UNIT: evsel->unit = strdup(ev->data); + break; + case PERF_EVENT_UPDATE__SCALE: + ev_scale = (struct event_update_event_scale *) ev->data; + evsel->scale = ev_scale->scale; default: break; } diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 6aa2b92..fad04cb 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -108,6 +108,9 @@ int perf_event__synthesize_attrs(struct perf_tool *tool, int perf_event__synthesize_event_update_unit(struct perf_tool *tool, struct perf_evsel *evsel, perf_event__handler_t process); +int perf_event__synthesize_event_update_scale(struct perf_tool *tool, + struct perf_evsel *evsel, + perf_event__handler_t process); int perf_event__process_attr(struct perf_tool *tool, union perf_event *event, struct perf_evlist **pevlist); int perf_event__process_event_update(struct perf_tool *tool __maybe_unused,