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Message-Id: <20241004234120.1495209-9-irogers@google.com>
Date: Fri, 4 Oct 2024 16:41:20 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>,
Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>,
Kan Liang <kan.liang@...ux.intel.com>, John Garry <john.g.garry@...cle.com>,
Will Deacon <will@...nel.org>, James Clark <james.clark@...aro.org>,
Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>,
Yicong Yang <yangyicong@...ilicon.com>, Weilin Wang <weilin.wang@...el.com>,
Tim Chen <tim.c.chen@...ux.intel.com>, Thomas Richter <tmricht@...ux.ibm.com>,
Sumanth Korikkar <sumanthk@...ux.ibm.com>, linux-perf-users@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v1 8/8] perf stat: Disable metric thresholds for CSV/JSON
metric-only mode
These modes don't use the threshold, so don't compute it saving time
and potentially reducing events.
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/perf/builtin-stat.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 3e6b9f216e80..936800c01c72 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -2560,6 +2560,14 @@ int cmd_stat(int argc, const char **argv)
goto out;
}
+ if (stat_config.metric_only && (stat_config.csv_output || stat_config.json_output)) {
+ /*
+ * Current metric-only CSV and JSON output doesn't display the
+ * metric threshold so don't compute it.
+ */
+ stat_config.metric_no_threshold = true;
+ }
+
if (stat_config.walltime_run_table && stat_config.run_count <= 1) {
fprintf(stderr, "--table is only supported with -r\n");
parse_options_usage(stat_usage, stat_options, "r", 1);
--
2.47.0.rc0.187.ge670bccf7e-goog
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