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Commit 63bd5dfa authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

libperf: Add perf_evsel__new() function 



Add a perf_evsel__new() function to create and init a perf_evsel struct
dynamicaly.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-47-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 634912d6

tools/perf/lib/evsel.c

+11 −0
Original line number Diff line number Diff line
@@ -2,9 +2,20 @@ 
#include <perf/evsel.h>

#include <linux/list.h>

#include <internal/evsel.h>

#include <linux/zalloc.h>



void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr)

{

	INIT_LIST_HEAD(&evsel->node);

	evsel->attr = *attr;

}



struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)

{

	struct perf_evsel *evsel = zalloc(sizeof(*evsel));



	if (evsel != NULL)

		perf_evsel__init(evsel, attr);



	return evsel;

}

tools/perf/lib/include/perf/evsel.h

+1 −0
Original line number Diff line number Diff line
@@ -9,5 +9,6 @@ struct perf_event_attr; 


LIBPERF_API void perf_evsel__init(struct perf_evsel *evsel,

				  struct perf_event_attr *attr);

LIBPERF_API struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr);



#endif /* __LIBPERF_EVSEL_H */

tools/perf/lib/libperf.map

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ LIBPERF_0.0.1 { 
		perf_thread_map__comm;

		perf_thread_map__get;

		perf_thread_map__put;

		perf_evsel__new;

		perf_evsel__init;

		perf_evlist__new;

		perf_evlist__init;