2020-12-10 14:09:55

by Alexander Antonov

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

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 <[email protected]>
---
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