[PATCH 3.13.y-ckt 73/85] perf hists: Update the column width for the "srcline" sort key

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3.13.11-ckt28 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

commit e8e6d37e73e6b950c891c780745460b87f4755b6 upstream.

When we introduce a new sort key, we need to update the
hists__calc_col_len() function accordingly, otherwise the width
will be limited to strlen(header).

We can't update it when obtaining a line value for a column (for
instance, in sort__srcline_cmp()), because we reset it all when doing a
resort (see hists__output_recalc_col_len()), so we need to, from what is
in the hist_entry fields, set each of the column widths.

Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Fixes: 409a8be61560 ("perf tools: Add sort by src line/number")
Link: http://lkml.kernel.org/n/tip-jgbe0yx8v1gs89cslr93pvz2@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
 tools/perf/util/hist.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 822903e..c848cf5 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -161,6 +161,9 @@ 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->transaction)
 		hists__new_col_len(hists, HISTC_TRANSACTION,
 				   hist_entry__transaction_len());
-- 
1.9.1

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