From: Jiri Olsa <jo...@kernel.org>

Force sample_type setup for slave events in group leader sessions.

We don't get sample for slave events, we make them when delivering group
leader sample. Set the slave event to follow the master sample_type to
ease up report.

Signed-off-by: Jiri Olsa <jo...@kernel.org>
Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
Cc: Andi Kleen <a...@linux.intel.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Link: http://lkml.kernel.org/r/20190220122800.864-3-jo...@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/util/evsel.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 684c893ca6bc..dfe2958e6287 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -956,6 +956,14 @@ void perf_evsel__config(struct perf_evsel *evsel, struct 
record_opts *opts,
                attr->sample_freq    = 0;
                attr->sample_period  = 0;
                attr->write_backward = 0;
+
+               /*
+                * We don't get sample for slave events, we make them
+                * when delivering group leader sample. Set the slave
+                * event to follow the master sample_type to ease up
+                * report.
+                */
+               attr->sample_type = leader->attr.sample_type;
        }
 
        if (opts->no_samples)
-- 
2.19.1

Reply via email to