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Message-ID: <20240209031441.943012-16-weilin.wang@intel.com>
Date: Thu, 8 Feb 2024 19:14:41 -0800
From: weilin.wang@...el.com
To: weilin.wang@...el.com,
Ian Rogers <irogers@...gle.com>,
Kan Liang <kan.liang@...ux.intel.com>,
Namhyung Kim <namhyung@...nel.org>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>
Cc: linux-perf-users@...r.kernel.org,
linux-kernel@...r.kernel.org,
Perry Taylor <perry.taylor@...el.com>,
Samantha Alt <samantha.alt@...el.com>,
Caleb Biggers <caleb.biggers@...el.com>,
Mark Rutland <mark.rutland@....com>
Subject: [RFC PATCH v4 15/15] perf stat: Add hardware-grouping cmd option to perf stat
From: Weilin Wang <weilin.wang@...el.com>
Add a cmd option to allow user to choose this new metric grouping method.
$ perf stat -M TopdownL1 -a --hardware-grouping
Signed-off-by: Weilin Wang <weilin.wang@...el.com>
---
tools/perf/builtin-stat.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index d08a40c4bae1..e30f7a856122 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1257,6 +1257,8 @@ static struct option stat_options[] = {
"don't try to share events between metrics in a group"),
OPT_BOOLEAN(0, "metric-no-threshold", &stat_config.metric_no_threshold,
"disable adding events for the metric threshold calculation"),
+ OPT_BOOLEAN(0, "hardware-grouping", &stat_config.hardware_aware_grouping,
+ "Use hardware aware metric grouping method"),
OPT_BOOLEAN(0, "topdown", &topdown_run,
"measure top-down statistics"),
OPT_UINTEGER(0, "td-level", &stat_config.topdown_level,
--
2.42.0
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