Commit-ID: a5b0153c880c2775bf5bdd78306f0a47e860ea04 Gitweb: http://git.kernel.org/tip/a5b0153c880c2775bf5bdd78306f0a47e860ea04 Author: Adrian Hunter <adrian.hun...@intel.com> AuthorDate: Tue, 12 Aug 2014 18:04:28 +0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Wed, 13 Aug 2014 15:58:08 -0300
perf tools: Fix CLOEXEC probe for perf_event_paranoid == 2 With /proc/sys/kernel/perf_event_paranoid set to 2, the probe of PERF_FLAG_FD_CLOEXEC would fail. Fix by excluding kernel profiling from the probe event. Signed-off-by: Adrian Hunter <adrian.hun...@intel.com> Acked-by: Jiri Olsa <jo...@kernel.org> Acked-by: Namhyung Kim <namhy...@kernel.org> Cc: David Ahern <dsah...@gmail.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Namhyung Kim <namhy...@gmail.com> Cc: Paul Mackerras <pau...@samba.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Stephane Eranian <eran...@google.com> Link: http://lkml.kernel.org/r/1407855871-15024-2-git-send-email-adrian.hun...@intel.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/cloexec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/util/cloexec.c b/tools/perf/util/cloexec.c index 5073c01..000047c 100644 --- a/tools/perf/util/cloexec.c +++ b/tools/perf/util/cloexec.c @@ -11,6 +11,7 @@ static int perf_flag_probe(void) struct perf_event_attr attr = { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_CLOCK, + .exclude_kernel = 1, }; int fd; int err; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
