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Date: Mon, 28 Dec 2020 04:19:08 +0100 From: Hans-Peter Nilsson <hp@...s.com> To: <linux-kernel@...r.kernel.org> CC: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Mark Rutland <mark.rutland@....com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...nel.org>, Adrian Hunter <adrian.hunter@...el.com>, Kan Liang <kan.liang@...ux.intel.com>, Ian Rogers <irogers@...gle.com> Subject: [PATCH] perf record: Tweak "Lowering..." warning in record_opts__config_freq That is, instead of "Lowering default frequency rate to <F>" say "Lowering default frequency rate from <f> to <F>", specifying the overridden default frequency <f>, so you don't have to grep through the source to "remember" that was e.g. 4000. Signed-off-by: Hans-Peter Nilsson <hp@...s.com> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Ingo Molnar <mingo@...hat.com> Cc: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: Mark Rutland <mark.rutland@....com> Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com> Cc: Jiri Olsa <jolsa@...hat.com> Cc: Namhyung Kim <namhyung@...nel.org> Cc: Adrian Hunter <adrian.hunter@...el.com> Cc: Kan Liang <kan.liang@...ux.intel.com> Cc: Ian Rogers <irogers@...gle.com> --- tools/perf/util/record.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c index 07e4b96a6625..3b38e7be10da 100644 --- a/tools/perf/util/record.c +++ b/tools/perf/util/record.c @@ -202,10 +202,10 @@ static int record_opts__config_freq(struct record_opts *opts) * Default frequency is over current maximum. */ if (max_rate < opts->freq) { - pr_warning("Lowering default frequency rate to %u.\n" + pr_warning("Lowering default frequency rate from %u to %u.\n" "Please consider tweaking " "/proc/sys/kernel/perf_event_max_sample_rate.\n", - max_rate); + opts->freq, max_rate); opts->freq = max_rate; } -- 2.11.0 brgds, H-P
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