linux-kernel - [PATCH 2/3] perf hists: Factor out hists__reset_column

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Message-Id: <20160920053025.13989-2-namhyung@kernel.org>
Date:   Tue, 20 Sep 2016 14:30:24 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Jiri Olsa <jolsa@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Andi Kleen <andi@...stfloor.org>
Subject: [PATCH 2/3] 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-by: Jiri Olsa <jolsa@...hat.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/ui/browsers/hists.c | 12 +++---------
 tools/perf/ui/hist.c           | 15 +++++++++++++++
 tools/perf/ui/stdio/hist.c     | 10 +---------
 tools/perf/util/hist.h         |  1 +
 4 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 49db16334814..a6d5d248b8fb 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/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)
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index b47fafc8ee2a..60c4a4d08374 100644
--- a/tools/perf/ui/hist.c
+++ b/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;
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index a57131e61fe3..8e1840bff29d 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/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);
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index a002c93fe422..defa957f27df 100644
--- a/tools/perf/util/hist.h
+++ b/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);
-- 
2.9.3