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authorKan Liang <kan.liang@intel.com>2015-08-21 08:23:14 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-08-31 22:28:01 +0200
commitd988d5ee647861706bc7a391ddbc29429b50f00e (patch)
tree1f66e100f0b919bc9d8f59b2eccb477b5f066a27 /tools/perf/util/evlist.c
parentbpf tools: New API to get name from a BPF object (diff)
downloadlinux-d988d5ee647861706bc7a391ddbc29429b50f00e.tar.xz
linux-d988d5ee647861706bc7a391ddbc29429b50f00e.zip
perf evlist: Open event on evsel cpus and threads
An evsel may have different cpus and threads than the evlist it is in. Use it's own cpus and threads, when opening the evsel in 'perf record'. Signed-off-by: Kan Liang <kan.liang@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/1440138194-17001-1-git-send-email-kan.liang@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
-rw-r--r--tools/perf/util/evlist.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 8d00039d6a20..d51a5200c8af 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1181,6 +1181,10 @@ int perf_evlist__apply_filters(struct perf_evlist *evlist, struct perf_evsel **e
if (evsel->filter == NULL)
continue;
+ /*
+ * filters only work for tracepoint event, which doesn't have cpu limit.
+ * So evlist and evsel should always be same.
+ */
err = perf_evsel__apply_filter(evsel, ncpus, nthreads, evsel->filter);
if (err) {
*err_evsel = evsel;