Commit 6efd06e3 authored by Riccardo Mancini's avatar Riccardo Mancini Committed by Arnaldo Carvalho de Melo
Browse files

perf evsel: Add evsel__prepare_open() 



This function will prepare the evsel and disable the missing features.
It will be used in one of the following patches.

Signed-off-by: default avatarRiccardo Mancini <rickyman7@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/fa5e78bbb92c848226f044278fdcf777b3ce4583.1629490974.git.rickyman7@gmail.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 588f4ac7

tools/perf/util/evsel.c

+14 −0
Original line number Diff line number Diff line
@@ -1827,6 +1827,20 @@ static void evsel__disable_missing_features(struct evsel *evsel) 
		evsel->core.attr.sample_id_all = 0;

}



int evsel__prepare_open(struct evsel *evsel, struct perf_cpu_map *cpus,

			struct perf_thread_map *threads)

{

	int err;



	err = __evsel__prepare_open(evsel, cpus, threads);

	if (err)

		return err;



	evsel__disable_missing_features(evsel);



	return err;

}



static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus,

		struct perf_thread_map *threads,

		int start_cpu, int end_cpu)

tools/perf/util/evsel.h

+2 −0
Original line number Diff line number Diff line
@@ -287,6 +287,8 @@ int evsel__open_per_thread(struct evsel *evsel, struct perf_thread_map *threads) 
int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,

		struct perf_thread_map *threads);

void evsel__close(struct evsel *evsel);

int evsel__prepare_open(struct evsel *evsel, struct perf_cpu_map *cpus,

		struct perf_thread_map *threads);



struct perf_sample;