[tip:perf/core] perf c2c report: Call calc_width() only for displayed entries

[tip-bot for Jiri Olsa]

Commit-ID:  bc229c21f2c79ef0f7b30d3a2fce8c2886ffa6c7
Gitweb:     https://git.kernel.org/tip/bc229c21f2c79ef0f7b30d3a2fce8c2886ffa6c7
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Fri, 9 Mar 2018 11:14:39 +0100
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 16 Mar 2018 13:53:13 -0300

perf c2c report: Call calc_width() only for displayed entries

There's no need to calculate column widths for entries that are not
going to be displayed.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Joe Mario <jmario@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20180309101442.9224-7-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/builtin-c2c.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 43ce55550c9d..821112e8ba97 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -1873,12 +1873,11 @@ static int resort_cl_cb(struct hist_entry *he)
 	c2c_he = container_of(he, struct c2c_hist_entry, he);
 	c2c_hists = c2c_he->hists;
 
-	calc_width(c2c_he);
-
 	if (display && c2c_hists) {
 		static unsigned int idx;
 
 		c2c_he->cacheline_idx = idx++;
+		calc_width(c2c_he);
 
 		c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);