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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-04-19 20:15:24 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-04-19 20:15:24 +0400 |
| commit | 61e04b332e9417720c331eb39c96a4ccb1aa0460 (patch) | |
| tree | b9968045de00bef1a6e8770a1d2053e1509a42be /tools/perf/util/util.c | |
| parent | b793a40185b246c2690e06c6d86d12c35f24ab4c (diff) | |
| download | linux-61e04b332e9417720c331eb39c96a4ccb1aa0460.tar.xz | |
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>
Diffstat (limited to 'tools/perf/util/util.c')
| -rw-r--r-- | tools/perf/util/util.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 8109a907841e..d03599fbe78b 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; +} |