From: Jiri Olsa <jo...@kernel.org> Add a perf_evsel__new() function to create and init a perf_evsel struct dynamicaly.
Signed-off-by: Jiri Olsa <jo...@kernel.org> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Alexey Budankov <alexey.budan...@linux.intel.com> Cc: Andi Kleen <a...@linux.intel.com> Cc: Michael Petlan <mpet...@redhat.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Link: http://lkml.kernel.org/r/20190721112506.12306-47-jo...@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/lib/evsel.c | 11 +++++++++++ tools/perf/lib/include/perf/evsel.h | 1 + tools/perf/lib/libperf.map | 1 + 3 files changed, 13 insertions(+) diff --git a/tools/perf/lib/evsel.c b/tools/perf/lib/evsel.c index 17cba35becc7..8e91738c5c38 100644 --- a/tools/perf/lib/evsel.c +++ b/tools/perf/lib/evsel.c @@ -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; +} diff --git a/tools/perf/lib/include/perf/evsel.h b/tools/perf/lib/include/perf/evsel.h index 295583b89f46..21b66fc1937f 100644 --- a/tools/perf/lib/include/perf/evsel.h +++ b/tools/perf/lib/include/perf/evsel.h @@ -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 */ diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map index 5e685d6c7a95..e3eac9b60726 100644 --- a/tools/perf/lib/libperf.map +++ b/tools/perf/lib/libperf.map @@ -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; -- 2.21.0
