linux-kernel - [PATCH v5 8/9] perf record: Just use "cycles:P" as the default event

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Message-ID: <20241016062359.264929-9-namhyung@kernel.org>
Date: Tue, 15 Oct 2024 23:23:58 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Kan Liang <kan.liang@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-perf-users@...r.kernel.org,
	Ravi Bangoria <ravi.bangoria@....com>,
	Mark Rutland <mark.rutland@....com>,
	James Clark <james.clark@....com>,
	Kajol Jain <kjain@...ux.ibm.com>,
	Thomas Richter <tmricht@...ux.ibm.com>,
	Atish Patra <atishp@...shpatra.org>,
	Palmer Dabbelt <palmer@...osinc.com>,
	Mingwei Zhang <mizhang@...gle.com>,
	James Clark <james.clark@...aro.org>
Subject: [PATCH v5 8/9] perf record: Just use "cycles:P" as the default event

The fallback logic can add ":u" modifier if needed.

Reviewed-by: Ian Rogers <irogers@...gle.com>
Acked-by: Kan Liang <kan.liang@...ux.intel.com>
Reviewed-by: James Clark <james.clark@...aro.org>
Reviewed-by: Ravi Bangoria <ravi.bangoria@....com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/builtin-record.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index adbaf80b398c1f4c..f8325247292112d7 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -4157,9 +4157,7 @@ int cmd_record(int argc, const char **argv)
 		record.opts.tail_synthesize = true;
 
 	if (rec->evlist->core.nr_entries == 0) {
-		bool can_profile_kernel = perf_event_paranoid_check(1);
-
-		err = parse_event(rec->evlist, can_profile_kernel ? "cycles:P" : "cycles:Pu");
+		err = parse_event(rec->evlist, "cycles:P");
 		if (err)
 			goto out;
 	}
-- 
2.47.0.rc1.288.g06298d1525-goog