perf annotate: Simplify header dotted line sizing
No need to use strlen, etc to figure that out, just use the return from
printf(), it will tell how wide the following line needs to be.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20160630082955.GA30921@twins.programming.kicks-ass.net
[ split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index c385fec..78e5d6f 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1528,7 +1528,7 @@
int more = 0;
u64 len;
int width = 8;
- int namelen, evsel_name_len, graph_dotted_len;
+ int graph_dotted_len;
filename = strdup(dso->long_name);
if (!filename)
@@ -1540,17 +1540,14 @@
d_filename = basename(filename);
len = symbol__size(sym);
- namelen = strlen(d_filename);
- evsel_name_len = strlen(evsel_name);
if (perf_evsel__is_group_event(evsel))
width *= evsel->nr_members;
- printf(" %-*.*s| Source code & Disassembly of %s for %s\n",
+ graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s\n",
width, width, "Percent", d_filename, evsel_name);
- graph_dotted_len = width + namelen + evsel_name_len;
- printf("-%-*.*s-----------------------------------------\n",
+ printf("%-*.*s----\n",
graph_dotted_len, graph_dotted_len, graph_dotted_line);
if (verbose)