[PATCH 61/61] perf tools: Fix width computation for srcline sort entry

[Jiri Olsa]

Adding header size to width computation for srcline sort entry,
because it's possible to get empty data with ':0' which set width
of 2 which is lower than width needed to display column header.

Link: http://lkml.kernel.org/n/tip-twbp391v8v9f5idp584hlfov@xxxxxxxxxxxxxx
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
 tools/perf/util/hist.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 020efa9d3d74..e1be4132054d 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -177,8 +177,10 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 	hists__new_col_len(hists, HISTC_LOCAL_WEIGHT, 12);
 	hists__new_col_len(hists, HISTC_GLOBAL_WEIGHT, 12);
 
-	if (h->srcline)
-		hists__new_col_len(hists, HISTC_SRCLINE, strlen(h->srcline));
+	if (h->srcline) {
+		len = MAX(strlen(h->srcline), strlen(sort_srcline.se_header));
+		hists__new_col_len(hists, HISTC_SRCLINE, len);
+	}
 
 	if (h->srcfile)
 		hists__new_col_len(hists, HISTC_SRCFILE, strlen(h->srcfile));
-- 
2.7.4