From b2b7e9eb2983e24b0296a93171f811d95f044fbc Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Mon, 17 Oct 2011 09:10:24 -0200
Subject: perf top: Fix the 'E' hotkey, select among multiple events

We were not recognizing 'E' as a hotkey due to a bug introduced when
switching to the new, hist_entry based top. Fix it by returning that 'E'
is mapped if evlist->nr_entries > 1.

Reported-by: Mike Galbraith <efault@gmx.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-zcx055vnhagddvqlaqxvdhtb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-top.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'tools/perf/builtin-top.c')

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index bf368f1663d1..7a871714d44e 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -438,6 +438,7 @@ static int key_mapped(int c)
 		case 'S':
 			return 1;
 		case 'E':
+			return top.evlist->nr_entries > 1 ? 1 : 0;
 		default:
 			break;
 	}
-- 
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