From 61e04b332e9417720c331eb39c96a4ccb1aa0460 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Thu, 19 Apr 2012 13:15:24 -0300
Subject: perf annotate browser: Align jump labels
Find out at browser startup the max width and use it when rendering jump
labels on the screen.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
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-7dxjiwqb77wz6f5lc05e0i0x@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/util.c | 10 ++++++++++
1 file changed, 10 insertions(+)
(limited to 'tools/perf/util/util.c')
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 8109a907841..d03599fbe78 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -148,3 +148,13 @@ int readn(int fd, void *buf, size_t n)
return buf - buf_start;
}
+
+size_t hex_width(u64 v)
+{
+ size_t n = 1;
+
+ while ((v >>= 4))
+ ++n;
+
+ return n;
+}
--
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