[tip: perf/core] tools headers: Add missing perf_event.h include

[tip-bot2 for Jiri Olsa]

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     db9a5fd02a06113848fd3eabe302f56059d27366
Gitweb:        https://git.kernel.org/tip/db9a5fd02a06113848fd3eabe302f56059d27366
Author:        Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate:    Thu, 22 Aug 2019 13:11:37 +02:00
Committer:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitterDate: Thu, 22 Aug 2019 11:12:36 -03:00

tools headers: Add missing perf_event.h include

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>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Michael Petlan <mpetlan@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20190822111141.25823-2-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@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 9a083ae..6c02617 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