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perf evsel: Add own_cpus member 

perf_evlist__propagate_maps() cannot easily tell if an evsel has its own
cpu map.  To make that simpler, keep a copy of the PMU cpu map and
adjust the propagation logic accordingly.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@intel.com>
Link: http://lkml.kernel.org/r/1441699142-18905-8-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2015-09-08 10:58:55 +03:00 committed by Arnaldo Carvalho de Melo
parent b278c364b3
commit fce4d296b4
4 changed files with 8 additions and 3 deletions
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5
tools/perf/util/evlist.c
View File

@ -1111,9 +1111,12 @@ static void perf_evlist__propagate_maps(struct perf_evlist *evlist)
* We already have cpus for evsel (via PMU sysfs) so
* keep it, if there's no target cpu list defined.
*/
if (!evsel->cpus || evlist->has_user_cpus) {
if (!evsel->own_cpus || evlist->has_user_cpus) {
cpu_map__put(evsel->cpus);
evsel->cpus = cpu_map__get(evlist->cpus);
} else if (evsel->cpus != evsel->own_cpus) {
cpu_map__put(evsel->cpus);
evsel->cpus = cpu_map__get(evsel->own_cpus);
}
thread_map__put(evsel->threads);

1
tools/perf/util/evsel.c
View File

@ -1033,6 +1033,7 @@ void perf_evsel__exit(struct perf_evsel *evsel)
perf_evsel__free_config_terms(evsel);
close_cgroup(evsel->cgrp);
cpu_map__put(evsel->cpus);
cpu_map__put(evsel->own_cpus);
thread_map__put(evsel->threads);
zfree(&evsel->group_name);
zfree(&evsel->name);

1
tools/perf/util/evsel.h
View File

@ -98,6 +98,7 @@ struct perf_evsel {
struct cgroup_sel *cgrp;
void *handler;
struct cpu_map *cpus;
struct cpu_map *own_cpus;
struct thread_map *threads;
unsigned int sample_size;
int id_pos;

4
tools/perf/util/parse-events.c
View File

@ -287,8 +287,8 @@ __add_event(struct list_head *list, int *idx,
if (!evsel)
return NULL;
if (cpus)
evsel->cpus = cpu_map__get(cpus);
evsel->cpus = cpu_map__get(cpus);
evsel->own_cpus = cpu_map__get(cpus);
if (name)
evsel->name = strdup(name);