libperf: Introduce perf_evlist__exit()

Add the perf_evlist__exit() function, so far it's not exported and added
only for internal use for perf and libperf.

USe it to release cpus/threads and pollfd array.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20191007125344.14268-25-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index 5ae1da9..7ba98f0 100644 (file)
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -109,13 +109,23 @@ perf_evlist__next(struct perf_evlist *evlist, struct perf_evsel *prev)
        return next;
 }
 
+void perf_evlist__exit(struct perf_evlist *evlist)
+{
+       perf_cpu_map__put(evlist->cpus);
+       perf_thread_map__put(evlist->threads);
+       evlist->cpus = NULL;
+       evlist->threads = NULL;
+       fdarray__exit(&evlist->pollfd);
+}
+
 void perf_evlist__delete(struct perf_evlist *evlist)
 {
        if (evlist == NULL)
                return;
 
        perf_evlist__munmap(evlist);
-       fdarray__exit(&evlist->pollfd);
+       perf_evlist__close(evlist);
+       perf_evlist__exit(evlist);
        free(evlist);
 }
 

diff --git a/tools/perf/lib/include/internal/evlist.h b/tools/perf/lib/include/internal/evlist.h
index b201970..0721512 100644 (file)
--- a/tools/perf/lib/include/internal/evlist.h
+++ b/tools/perf/lib/include/internal/evlist.h
@@ -48,6 +48,8 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
                          struct perf_evlist_mmap_ops *ops,
                          struct perf_mmap_param *mp);
 
+void perf_evlist__exit(struct perf_evlist *evlist);
+
 /**
  * __perf_evlist__for_each_entry - iterate thru all the evsels
  * @list: list_head instance to iterate

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 5192c65..031ace3 100644 (file)
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -138,7 +138,7 @@ void evlist__exit(struct evlist *evlist)
 {
        zfree(&evlist->mmap);
        zfree(&evlist->overwrite_mmap);
-       fdarray__exit(&evlist->core.pollfd);
+       perf_evlist__exit(&evlist->core);
 }
 
 void evlist__delete(struct evlist *evlist)
@@ -148,10 +148,6 @@ void evlist__delete(struct evlist *evlist)
 
        evlist__munmap(evlist);
        evlist__close(evlist);
-       perf_cpu_map__put(evlist->core.cpus);
-       perf_thread_map__put(evlist->core.threads);
-       evlist->core.cpus = NULL;
-       evlist->core.threads = NULL;
        evlist__purge(evlist);
        evlist__exit(evlist);
        free(evlist);