[igt-dev] [PATH i-g-t 02/13] trace.pl: Use undocumented -o to perf record to allow tee

[Tvrtko Ursulin]

From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 scripts/trace.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/trace.pl b/scripts/trace.pl
index 2976cfdf585a..18f9f3b18396 100755
--- a/scripts/trace.pl
+++ b/scripts/trace.pl
@@ -170,8 +170,9 @@ sub arg_trace
 	if ($_[0] eq '--trace') {
 		shift @_;
 
+		unshift @_, '--';
 		unshift @_, join(',', @events);
-		unshift @_, ('perf', 'record', '-a', '-c', '1', '-q', '-e');
+		unshift @_, ('perf', 'record', '-a', '-c', '1', '-q', '-o', 'perf.data', '-e');
 
 		exec @_;
 	}
-- 
2.17.1