perf_counter tools: Rename output.perf to perf.data

output.perf is only output to perf-record - it's input to
perf-report. So change it to a more direction-neutral name.

Cc: Peter Zijlstra <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Corey Ashford <[email protected]>
Cc: Marcelo Tosatti <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: John Kacur <[email protected]>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <[email protected]>
diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index 7f1255d..e2712cd 100644
--- a/Documentation/perf_counter/builtin-report.c
+++ b/Documentation/perf_counter/builtin-report.c
@@ -18,7 +18,7 @@
 #define SHOW_USER	2
 #define SHOW_HV		4
 
-static char		const *input_name = "output.perf";
+static char		const *input_name = "perf.data";
 static int		input;
 static int		show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;