Commit 6e7e8b9f authored Feb 20, 2019 by Jiri Olsa Committed by Arnaldo Carvalho de Melo Feb 20, 2019

perf evsel: Force sample_type for slave events



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 <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190220122800.864-3-jolsa@kernel.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 529c1a9e

tools/perf/util/evsel.c

+8 −0

Original line number	Original line	Diff line number	Diff line
	@@ -956,6 +956,14 @@ void perf_evsel__config(struct perf_evsel evsel, struct record_opts opts,
	attr->sample_freq = 0;		attr->sample_freq = 0;
	attr->sample_period = 0;		attr->sample_period = 0;
	attr->write_backward = 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)		if (opts->no_samples)

Admin message