perf ui gtk: Add perf_gtk__show_helpline() for pr_*

Use helpline for printing error/debug messages. The code resembles a TUI
counter part and only print the first line of the message.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1345104894-14205-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c
index e813c1d17346..4c936e09931c 100644
--- a/tools/perf/ui/tui/setup.c
+++ b/tools/perf/ui/tui/setup.c
@@ -11,8 +11,6 @@
 #include "../libslang.h"
 #include "../keysyms.h"
 
-pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
-
 static volatile int ui__need_resize;
 
 extern struct perf_error_ops perf_tui_eops;