Commit-ID: d37a369790774af66a4aee61a188384d21b17a43 Gitweb: http://git.kernel.org/tip/d37a369790774af66a4aee61a188384d21b17a43 Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Mon, 10 Jul 2017 16:08:07 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Mon, 10 Jul 2017 16:14:48 -0300
perf evsel: Fix attr.exclude_kernel setting for default cycles:p To allow probing the max attr.precise_ip setting for non-root users we unconditionally set attr.exclude_kernel, which makes the detection work but should be done only for !root, fix it. Cc: Adrian Hunter <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Fixes: 97365e81366f ("perf evsel: Set attr.exclude_kernel when probing max attr.precise_ip") Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/evsel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 87b4318..f2a1876 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -273,7 +273,7 @@ struct perf_evsel *perf_evsel__new_cycles(void) struct perf_event_attr attr = { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES, - .exclude_kernel = 1, + .exclude_kernel = geteuid() != 0, }; struct perf_evsel *evsel;
