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Commit 634912d6 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

libperf: Add perf_evlist__new() function 



Add perf_evlist__new() function to create and init a perf_evlist 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/20190721112506.12306-46-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 93bce7e5

tools/perf/lib/evlist.c

+11 −0
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ 
#include <linux/list.h>

#include <internal/evlist.h>

#include <internal/evsel.h>

#include <linux/zalloc.h>



void perf_evlist__init(struct perf_evlist *evlist)

{
@@ -23,3 +24,13 @@ void perf_evlist__remove(struct perf_evlist *evlist, 
	list_del_init(&evsel->node);

	evlist->nr_entries -= 1;

}



struct perf_evlist *perf_evlist__new(void)

{

	struct perf_evlist *evlist = zalloc(sizeof(*evlist));



	if (evlist != NULL)

		perf_evlist__init(evlist);



	return evlist;

}

tools/perf/lib/include/perf/evlist.h

+1 −0
Original line number Diff line number Diff line
@@ -12,5 +12,6 @@ LIBPERF_API void perf_evlist__add(struct perf_evlist *evlist, 
				  struct perf_evsel *evsel);

LIBPERF_API void perf_evlist__remove(struct perf_evlist *evlist,

				     struct perf_evsel *evsel);

LIBPERF_API struct perf_evlist *perf_evlist__new(void);



#endif /* __LIBPERF_EVLIST_H */

tools/perf/lib/libperf.map

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ LIBPERF_0.0.1 { 
		perf_thread_map__get;

		perf_thread_map__put;

		perf_evsel__init;

		perf_evlist__new;

		perf_evlist__init;

		perf_evlist__add;

		perf_evlist__remove;