From: Kan Liang <kan.li...@intel.com>
evsel may have different cpus and threads as evlist's.
Use it's own cpus and threads, when open evsel in perf record.
Signed-off-by: Kan Liang <kan.li...@intel.com>
---
tools/perf/builtin-record.c | 2 +-
tools/perf/util/evlist.c | 4 ++++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 25cf6b4..a0178bf 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -279,7 +279,7 @@ static int record__open(struct record *rec)
evlist__for_each(evlist, pos) {
try_again:
- if (perf_evsel__open(pos, evlist->cpus, evlist->threads) < 0) {
+ if (perf_evsel__open(pos, pos->cpus, pos->threads) < 0) {
if (perf_evsel__fallback(pos, errno, msg, sizeof(msg)))
{
if (verbose)
ui__warning("%s\n", msg);
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 373f65b..be6fde9 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1179,6 +1179,10 @@ 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;
--
1.8.3.1
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