From: Namhyung Kim <namhyung....@lge.com>
It's for enabling the hierarchical view.
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/perf/Documentation/perf-report.txt | 5 +++++
tools/perf/builtin-report.c | 6 ++++++
2 files changed, 11 insertions(+)
diff --git a/tools/perf/Documentation/perf-report.txt
b/tools/perf/Documentation/perf-report.txt
index 7d5f4f38aa52..3c86b9f83c54 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -210,6 +210,11 @@ OPTIONS
Demangle symbol names to human readable form. It's enabled by default,
disable with --no-demangle.
+-H::
+--hierarchy::
+ Show events in hierarchical view. Each events are grouped under prior
+ sort keys. Currently --gtk output is supported only.
+
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 d45bf9b0361d..9b9a35b296d8 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -809,6 +809,7 @@ int cmd_report(int argc, const char **argv, const char
*prefix __maybe_unused)
OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
"Disable symbol demangling"),
OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
+ OPT_BOOLEAN('H', "hierarchy", &symbol_conf.hierarchy, "Hierarchical
view"),
OPT_END()
};
@@ -833,6 +834,11 @@ int cmd_report(int argc, const char **argv, const char
*prefix __maybe_unused)
input_name = "perf.data";
}
+ if (symbol_conf.hierarchy && use_browser != 2) {
+ pr_err("--hierarchy option is only used for --gtk output\n");
+ return -EINVAL;
+ }
+
if (strcmp(input_name, "-") != 0)
setup_browser(true);
else {
--
1.7.11.7
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