perf record: Set read_format for inherit_stat

Set read_format for what we expect to get from read event generated by
perf_event_attr::inherit_stat.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20170824162737.7813-5-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index a5888c7..d9bd632 100644 (file)
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -902,8 +902,13 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts,
        if (opts->no_samples)
                attr->sample_freq = 0;
 
-       if (opts->inherit_stat)
+       if (opts->inherit_stat) {
+               evsel->attr.read_format |=
+                       PERF_FORMAT_TOTAL_TIME_ENABLED |
+                       PERF_FORMAT_TOTAL_TIME_RUNNING |
+                       PERF_FORMAT_ID;
                attr->inherit_stat = 1;
+       }
 
        if (opts->sample_address) {
                perf_evsel__set_sample_bit(evsel, ADDR);