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authorIgor Lubashev <ilubashe@akamai.com>2019-08-26 21:39:13 -0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-08-28 17:18:08 -0300
commitdda1bf8ea78add78739d128a20b555c4a1a19c27 (patch)
treef44a3973bdee2b3a771f08e3dcb7f161b5ff1ded /tools/perf/util/evsel.c
parente9a6882f267a8105461066e3ea6b4b6b9be1b807 (diff)
perf tools: Use CAP_SYS_ADMIN with perf_event_paranoid checks
The kernel is using CAP_SYS_ADMIN instead of euid==0 to override perf_event_paranoid check. Make perf do the same. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> # coresight part Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: James Morris <jmorris@namei.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/1566869956-7154-3-git-send-email-ilubashe@akamai.com Signed-off-by: Igor Lubashev <ilubashe@akamai.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.c')
-rw-r--r--tools/perf/util/evsel.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index fa676355559e..7c704b8f0e5c 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -282,7 +282,7 @@ struct evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx)
static bool perf_event_can_profile_kernel(void)
{
- return geteuid() == 0 || perf_event_paranoid() == -1;
+ return perf_event_paranoid_check(-1);
}
struct evsel *perf_evsel__new_cycles(bool precise)