perf c2c report: Recalc width of global sort entries

Using resort callbacks to compute the columns' width.

Computing only the global ones, c2c entries have fixed width only.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-zyayvq2u3dzyf3y7i9jza0lw@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-c2c.c

@@ -1728,11 +1728,21 @@ static inline int valid_hitm_or_store(struct hist_entry *he)
 	return has_hitm || c2c_he->stats.store;
 }
 
+static void calc_width(struct hist_entry *he)
+{
+	struct c2c_hists *c2c_hists;
+
+	c2c_hists = container_of(he->hists, struct c2c_hists, hists);
+	hists__calc_col_len(&c2c_hists->hists, he);
+}
+
 static int filter_cb(struct hist_entry *he)
 {
 	if (c2c.show_src && !he->srcline)
 		he->srcline = hist_entry__get_srcline(he);
 
+	calc_width(he);
+
 	if (!valid_hitm_or_store(he))
 		he->filtered = HIST_FILTER__C2C;
 
@@ -1748,6 +1758,8 @@ 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(he);
+
 	if (display && c2c_hists) {
 		c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);