Thread (25 messages) 25 messages, 4 authors, 2022-03-10
STALE1539d LANDED

[PATCH 01/20] selftest/powerpc/pmu: Include mmap_buffer field as part of struct event

From: Kajol Jain <hidden>
Date: 2022-01-27 07:21:41
Subsystem: kernel selftest framework, the rest · Maintainers: Shuah Khan, Linus Torvalds

From: Athira Rajeev <redacted>

To enable the capturing of samples as part of perf event,
add a new field "mmap_buffer" to "struct event". This
field is a place-holder for sample collection

Signed-off-by: Athira Rajeev <redacted>
---
 tools/testing/selftests/powerpc/pmu/event.h | 5 +++++
 1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/powerpc/pmu/event.h b/tools/testing/selftests/powerpc/pmu/event.h
index 302eaab51706..23d20340a160 100644
--- a/tools/testing/selftests/powerpc/pmu/event.h
+++ b/tools/testing/selftests/powerpc/pmu/event.h
@@ -22,6 +22,11 @@ struct event {
 		u64 running;
 		u64 enabled;
 	} result;
+	/*
+	 * mmap buffer used while recording sample.
+	 * Accessed as "struct perf_event_mmap_page"
+	 */
+	void *mmap_buffer;
 };
 
 void event_init(struct event *e, u64 config);
-- 
2.27.0
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help