[PATCH 2/5] perf evsel: Introduce an observed performance device

[Alexander Antonov]

Adding evsel::perf_device void pointer.

For performance monitoring purposes, an evsel can have a related device.
These changes allow to attribute, for example, I/O performance metrics
to IIO stack.

Signed-off-by: Alexander Antonov <alexander.antonov@xxxxxxxxxxxxxxx>
---
 tools/perf/util/evsel.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 79a860d8e3ee..c346920f477a 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -127,6 +127,7 @@ struct evsel {
 	 * See also evsel__has_callchain().
 	 */
 	__u64			synth_sample_type;
+	void			*perf_device;
 };
 
 struct perf_missing_features {
-- 
2.19.1