perf hists: Factor out hists__reset_column_width()

The stdio and tui has same code to reset hpp format column width.
Factor it out as a new function.

Suggested-and-Acked-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20160920053025.13989-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/ui/browsers/hists.c

@@ -2067,7 +2067,6 @@ void hist_browser__init(struct hist_browser *browser,
 			struct hists *hists)
 {
 	struct perf_hpp_fmt *fmt;
-	struct perf_hpp_list_node *node;
 
 	browser->hists			= hists;
 	browser->b.refresh		= hist_browser__refresh;
@@ -2076,15 +2075,10 @@ void hist_browser__init(struct hist_browser *browser,
 	browser->b.use_navkeypressed	= true;
 	browser->show_headers		= symbol_conf.show_hist_headers;
 
-	hists__for_each_format(hists, fmt) {
-		perf_hpp__reset_width(fmt, hists);
+	hists__for_each_format(hists, fmt)
 		++browser->b.columns;
-	}
-	/* hierarchy entries have their own hpp list */
-	list_for_each_entry(node, &hists->hpp_formats, list) {
-		perf_hpp_list__for_each_format(&node->hpp, fmt)
-			perf_hpp__reset_width(fmt, hists);
-	}
+
+	hists__reset_column_width(hists);
 }
 
 struct hist_browser *hist_browser__new(struct hists *hists)

tools/perf/ui/hist.c

@@ -699,6 +699,21 @@ void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
 	}
 }
 
+void hists__reset_column_width(struct hists *hists)
+{
+	struct perf_hpp_fmt *fmt;
+	struct perf_hpp_list_node *node;
+
+	hists__for_each_format(hists, fmt)
+		perf_hpp__reset_width(fmt, hists);
+
+	/* hierarchy entries have their own hpp list */
+	list_for_each_entry(node, &hists->hpp_formats, list) {
+		perf_hpp_list__for_each_format(&node->hpp, fmt)
+			perf_hpp__reset_width(fmt, hists);
+	}
+}
+
 void perf_hpp__set_user_width(const char *width_list_str)
 {
 	struct perf_hpp_fmt *fmt;

tools/perf/ui/stdio/hist.c

@@ -717,8 +717,6 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
 		      int max_cols, float min_pcnt, FILE *fp,
 		      bool use_callchain)
 {
-	struct perf_hpp_fmt *fmt;
-	struct perf_hpp_list_node *node;
 	struct rb_node *nd;
 	size_t ret = 0;
 	const char *sep = symbol_conf.field_sep;
@@ -729,13 +727,7 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
 
 	init_rem_hits();
 
-	hists__for_each_format(hists, fmt)
-		perf_hpp__reset_width(fmt, hists);
-	/* hierarchy entries have their own hpp list */
-	list_for_each_entry(node, &hists->hpp_formats, list) {
-		perf_hpp_list__for_each_format(&node->hpp, fmt)
-			perf_hpp__reset_width(fmt, hists);
-	}
+	hists__reset_column_width(hists);
 
 	if (symbol_conf.col_width_list_str)
 		perf_hpp__set_user_width(symbol_conf.col_width_list_str);

tools/perf/util/hist.h

@@ -368,6 +368,7 @@ static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format,
 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists);
 void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists);
 void perf_hpp__set_user_width(const char *width_list_str);
+void hists__reset_column_width(struct hists *hists);
 
 typedef u64 (*hpp_field_fn)(struct hist_entry *he);
 typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front);