linux-kernel - [PATCH v1 1/5] perf list: Switch error message to pr

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Date: Mon, 22 Jan 2024 16:06:00 -0800
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>, 
	Ravi Bangoria <ravi.bangoria@....com>, Ross Zwisler <zwisler@...omium.org>, 
	Athira Rajeev <atrajeev@...ux.vnet.ibm.com>, Shirisha G <shirisha@...ux.ibm.com>, 
	Kajol Jain <kjain@...ux.ibm.com>, Kan Liang <kan.liang@...ux.intel.com>, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/5] perf list: Switch error message to pr_err

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@...gle.com>
---
 tools/perf/util/print-events.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/print-events.c b/tools/perf/util/print-events.c
index b0fc48be623f..9e47712507cc 100644
--- a/tools/perf/util/print-events.c
+++ b/tools/perf/util/print-events.c
@@ -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;
 	}
 
-- 
2.43.0.429.g432eaa2c6b-goog