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Subject[PATCH 17/18] perf report: Add --group option
Date
From: Namhyung Kim <namhyung.kim@lge.com>

Add --group option to enable event grouping. When enabled, all the
group members information will be shown together with the leader.

Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/Documentation/perf-report.txt | 3 +++
tools/perf/builtin-report.c | 2 ++
2 files changed, 5 insertions(+)

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index f4d91bebd59d..b3e8fcb9bbce 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -171,6 +171,9 @@ OPTIONS
--objdump=<path>::
Path to objdump binary.

+--group::
+ Show event group information together.
+
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 e5b53f6554f4..c7079dff7411 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -668,6 +668,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
"Specify disassembler style (e.g. -M intel for intel syntax)"),
OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
"Show a column with the sum of periods"),
+ OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
+ "Show event group information together"),
OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "",
"use branch records for histogram filling", parse_branch_mode),
OPT_STRING(0, "objdump", &objdump_path, "path",
--
1.7.11.7


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