From: Jiri Olsa <[email protected]> Add perf_evlist__new() function to create and init a perf_evlist struct dynamicaly.
Signed-off-by: Jiri Olsa <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Alexey Budankov <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Michael Petlan <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/lib/evlist.c | 11 +++++++++++ tools/perf/lib/include/perf/evlist.h | 1 + tools/perf/lib/libperf.map | 1 + 3 files changed, 13 insertions(+) diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c index 1b27fd2de9b9..0517deb4cb1c 100644 --- a/tools/perf/lib/evlist.c +++ b/tools/perf/lib/evlist.c @@ -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; +} diff --git a/tools/perf/lib/include/perf/evlist.h b/tools/perf/lib/include/perf/evlist.h index e0c87995c6ff..7255a60869a1 100644 --- a/tools/perf/lib/include/perf/evlist.h +++ b/tools/perf/lib/include/perf/evlist.h @@ -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 */ diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map index e38473a8f32f..5e685d6c7a95 100644 --- a/tools/perf/lib/libperf.map +++ b/tools/perf/lib/libperf.map @@ -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; -- 2.21.0
