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perf list: Switch error message to pr_err() to respect debug settings (-v)

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Using printf() can interrupt 'perf list output', use pr_err() which can
respect debug settings and the debug file.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Ross Zwisler <zwisler@chromium.org>
Cc: Shirisha G <shirisha@linux.ibm.com>
Link: https://lore.kernel.org/r/20240124043015.1388867-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2024-01-23 20:30:11 -08:00 committed by Arnaldo Carvalho de Melo
parent 2dac1f089a
commit 9d95c6be48
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/print-events.c
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@ -66,7 +66,7 @@ void print_tracepoint_events(const struct print_callbacks *print_cb __maybe_unus
put_tracing_file(events_path);
if (events_fd < 0) {
printf("Error: failed to open tracing events directory\n");
pr_err("Error: failed to open tracing events directory\n");
return;
}