[PATCH 1/5] tools: Add missing perf_event.h include

[Jiri Olsa]

We need perf_event.h include for 'struct perf_event_mmap_page'.

Link: http://lkml.kernel.org/n/tip-bolqkmqajexhccjb0ib0an8w@xxxxxxxxxxxxxx
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
 tools/include/linux/ring_buffer.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/include/linux/ring_buffer.h b/tools/include/linux/ring_buffer.h
index 9a083ae60473..6c02617377c2 100644
--- a/tools/include/linux/ring_buffer.h
+++ b/tools/include/linux/ring_buffer.h
@@ -2,6 +2,7 @@
 #define _TOOLS_LINUX_RING_BUFFER_H_
 
 #include <asm/barrier.h>
+#include <linux/perf_event.h>
 
 /*
  * Contract with kernel for walking the perf ring buffer from
-- 
2.21.0