Hi Jiri,
On 8/31/2020 9:56 PM, Jiri Olsa wrote:
On Tue, Aug 25, 2020 at 07:35:07AM +0800, Jin Yao wrote:
SNIP
+ int nr_streams_max,
+ enum stream_type type)
+{
+ struct evsel_streams *es;
+ int nr_evsel = evlist->core.nr_entries, ret = -1;
+
+ es = create_evsel_streams(nr_evsel, nr_streams_max);
+ if (!es)
+ return NULL;
+
+ if (type == STREAM_CALLCHAIN)
+ ret = evlist_init_callchain_streams(evlist, es, nr_evsel);
+
+ if (ret) {
+ free_evsel_streams(es, nr_evsel);
+ return NULL;
+ }
+
+ return es;
+}
diff --git a/tools/perf/util/stream.h b/tools/perf/util/stream.h
new file mode 100644
index 000000000000..a8a0172b4d13
--- /dev/null
+++ b/tools/perf/util/stream.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_STREAM_H
+#define __PERF_STREAM_H
+
+#include "callchain.h"
+
+enum stream_type {
+ STREAM_NONE = 0,
+ STREAM_CALLCHAIN
do you plan to add more types?
jirka
Thanks for looking at this patch series.
So far, no more types in plan. :)
Thanks
Jin Yao
