perf evlist: Propagate thread maps through the evlist

Propagate evlist's thread_map object through all the evsel objects.

It'll be handy to access evsel's threads directly in following patches.
The reason is there's no link from evsel to evlist which hold threads
map now and evlist is not always available.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1435012588-9007-7-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 214affa..6cfdee6 100644 (file)
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1117,7 +1117,9 @@ static int perf_evlist__propagate_maps(struct perf_evlist *evlist,
                if (!evsel->cpus || target->cpu_list)
                        evsel->cpus = cpu_map__get(evlist->cpus);
 
-               if (!evsel->cpus)
+               evsel->threads = thread_map__get(evlist->threads);
+
+               if (!evsel->cpus || !evsel->threads)
                        return -ENOMEM;
        }
 

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 31b0afb..1b2f480 100644 (file)
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -886,6 +886,7 @@ void perf_evsel__exit(struct perf_evsel *evsel)
        perf_evsel__free_id(evsel);
        close_cgroup(evsel->cgrp);
        cpu_map__put(evsel->cpus);
+       thread_map__put(evsel->threads);
        zfree(&evsel->group_name);
        zfree(&evsel->name);
        perf_evsel__object.fini(evsel);

diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index bb0579e..9e16a5c 100644 (file)
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -82,6 +82,7 @@ struct perf_evsel {
        struct cgroup_sel       *cgrp;
        void                    *handler;
        struct cpu_map          *cpus;
+       struct thread_map       *threads;
        unsigned int            sample_size;
        int                     id_pos;
        int                     is_pos;