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Groups > linux.kernel > #1248619

[PATCH 15/57] perf tools: Add stat event read function

From Jiri Olsa <jolsa@kernel.org>
Newsgroups linux.kernel
Subject [PATCH 15/57] perf tools: Add stat event read function
Date 2015-10-16 13:00 +0200
Message-ID <qkaTT-3YR-3@gated-at.bofh.it> (permalink)
References <qkaKe-3Nh-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Introducing perf_event__process_stat_event function to process
'struct perf_stat' data from stat event.

Link: http://lkml.kernel.org/n/tip-2bvpxxp60e0qqcsecohgeju3@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/util/stat.c | 23 +++++++++++++++++++++++
 tools/perf/util/stat.h |  6 ++++++
 2 files changed, 29 insertions(+)

diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 2d065d065b67..0369b4516c29 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -340,3 +340,26 @@ int perf_stat_process_counter(struct perf_stat_config *config,
 
 	return 0;
 }
+
+int perf_event__process_stat_event(struct perf_tool *tool __maybe_unused,
+				   union perf_event *event,
+				   struct perf_session *session)
+{
+	struct perf_counts_values count;
+	struct stat_event *stat = &event->stat;
+	struct perf_evsel *counter;
+
+	count.val = stat->val;
+	count.ena = stat->ena;
+	count.run = stat->run;
+
+	counter = perf_evlist__id2evsel(session->evlist, stat->id);
+	if (!counter) {
+		pr_err("Failed to resolve counter for stat event.\n");
+		return -EINVAL;
+	}
+
+	*perf_counts(counter->counts, stat->cpu, stat->thread) = count;
+	counter->supported = true;
+	return 0;
+}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 62448c8175d3..a61cb0a9f23a 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -89,4 +89,10 @@ void perf_evlist__reset_stats(struct perf_evlist *evlist);
 
 int perf_stat_process_counter(struct perf_stat_config *config,
 			      struct perf_evsel *counter);
+struct perf_tool;
+union perf_event;
+struct perf_session;
+int perf_event__process_stat_event(struct perf_tool *tool,
+				   union perf_event *event,
+				   struct perf_session *session);
 #endif
-- 
2.4.3

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Thread

[PATCHv4 00/57] perf stat: Add scripting support Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 50/57] perf script: Check output fields only for samples Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 27/57] perf tools: Move id_offset out of struct perf_evsel union Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 41/57] perf stat report: Cache aggregated map entries in extra cpumap Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 35/57] perf stat record: Write stat events on record Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 06/57] perf tools: Add cpu_map event synthesize function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 38/57] perf stat record: Synthesize attr update events Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 25/57] perf report: Display newly added events in raw dump Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 43/57] perf stat report: Process cpu/threads maps Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 08/57] perf tools: Add cpu_map__new_event function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 30/57] perf stat record: Add record command Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 39/57] perf tools: Make cpu_map__build_map global Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 49/57] perf stat report: Allow to override aggr_mode Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 03/57] perf tools: Add thread_map__new_event function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 40/57] perf tools: Add data arg to cpu_map__build_map callback Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 42/57] perf stat report: Add report command Jiri Olsa <jolsa@kernel.org> - 2015-10-16 12:50 +0200
  [PATCH 15/57] perf tools: Add stat event read function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 11/57] perf tools: Add stat config event synthesize function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 33/57] perf stat record: Store events IDs in perf data file Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 21/57] perf tools: Add attr_update event scale type Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 18/57] perf tools: Add stat events fprintf functions Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 09/57] perf tools: Add perf_event__fprintf_cpu_map function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 17/57] perf tools: Add stat round event synthesize function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 07/57] perf tools: Add cpu_map__empty_new function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 26/57] perf tools: Introduce stat feature Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 36/57] perf stat record: Write stat round events on record Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 10/57] perf tools: Add stat config event Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 04/57] perf tools: Add perf_event__fprintf_thread_map function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 20/57] perf tools: Add attr_update event unit type Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 05/57] perf tools: Add cpu_map event Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 13/57] perf tools: Add stat event Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 24/57] perf tools: Add perf_event__fprintf_attr_update function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 29/57] perf stat: Add AGGR_UNSET mode Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 34/57] perf stat record: Add pipe support for record command Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 31/57] perf stat record: Initialize record features Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:00 +0200
  [PATCH 02/57] perf tools: Add thread_map event sythesize function Jiri Olsa <jolsa@kernel.org> - 2015-10-16 13:10 +0200

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