perf tools: Warn that perf_event_paranoid can restrict kernel symbols

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Warn that /proc/sys/kernel/perf_event_paranoid can also restrict kernel
symbols.

Signed-off-by: Igor Lubashev <ilubashe@akamai.com>
Tested-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: James Morris <jmorris@namei.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1566869956-7154-6-git-send-email-ilubashe@akamai.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Igor Lubashev 2019-08-26 21:39:16 -04:00 • committed by Arnaldo Carvalho de Melo

parent 8859aedefe

commit d06e5fad8c

3 changed files with 3 additions and 3 deletions

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2

tools/perf/builtin-record.c

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2

tools/perf/builtin-top.c

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2

tools/perf/builtin-trace.c

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