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Groups > linux.kernel > #1294219
| From | Arnaldo Carvalho de Melo <acme@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 20/43] perf tools: Add event_update event scale type |
| Date | 2015-12-17 21:00 +0100 |
| Message-ID | <qGMSx-3Qg-73@gated-at.bofh.it> (permalink) |
| References | <qGMIN-3MF-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Jiri Olsa <jolsa@kernel.org>
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 <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-23-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
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 9cdf4c934977..a91fcefc9f67 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 64c4cdf5aada..44198e8550e4 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 5759ebfde666..30edb4ba258e 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 6aa2b9242fc1..fad04cbab666 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,
--
2.1.0
--
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[GIT PULL 00/43] perf/core new feature: 'perf stat record/report' Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 08/43] perf cpu_map: Add perf_event__fprintf_cpu_map function Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 06/43] perf cpu_map: Add cpu_map event synthesize function Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 10/43] perf tools: Add stat config event synthesize function Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 19/43] perf tools: Add event_update event unit type Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 09/43] perf tools: Add stat config user level event Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 25/43] perf tools: Introduce stat perf.data header feature Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 24/43] perf report: Display newly added events in raw dump Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 07/43] perf cpu_map: Add cpu_map__new_event function Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 40/43] perf stat report: Move csv_sep initialization before report command Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 05/43] perf cpu_map: Add cpu_map user level event Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 18/43] perf tools: Add event_update user level event Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 22/43] perf tools: Add event_update event cpus type Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 29/43] perf evlist: Export id_add_fd() Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 01/43] perf thread_map: Add thread_map user level event Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 17/43] perf tools: Add stat events fprintf functions Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 39/43] perf stat report: Add support to initialize aggr_map from file Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 36/43] perf stat report: Add report command Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 03/43] perf thread_map: Add thread_map__new_event function Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 16/43] perf tools: Add stat round event synthesize function Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 28/43] perf stat record: Synthesize stat record data Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 35/43] perf stat record: Synthesize event update events Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 13/43] perf tools: Add stat event synthesize function Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 26/43] perf stat record: Add record command Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 15/43] perf tools: Add stat round user level event Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 21/43] perf tools: Add event_update event name type Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 20/43] perf tools: Add event_update event scale type Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 33/43] perf stat record: Write stat round events on record Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 14/43] perf tools: Add stat event read function Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:00 +0100
[PATCH 02/43] perf thread_map: Add thread_map event sythesize function Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:10 +0100
[PATCH 04/43] perf thread_map: Add perf_event__fprintf_thread_map function Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-17 21:10 +0100
Re: [GIT PULL 00/43] perf/core new feature: 'perf stat record/report' Ingo Molnar <mingo@kernel.org> - 2015-12-18 09:50 +0100
Re: [GIT PULL 00/43] perf/core new feature: 'perf stat record/report' Ingo Molnar <mingo@kernel.org> - 2015-12-18 10:00 +0100
Re: [GIT PULL 00/43] perf/core new feature: 'perf stat record/report' Jiri Olsa <jolsa@redhat.com> - 2015-12-18 11:20 +0100
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