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From: Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
	David Ahern <dsahern@gmail.com>, Ingo Molnar <mingo@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [PATCH 04/11] perf tools stdio: Separate headers output
Date: Tue, 14 Jun 2016 20:19:14 +0200	[thread overview]
Message-ID: <1465928361-2442-5-git-send-email-jolsa@kernel.org> (raw)
In-Reply-To: <1465928361-2442-1-git-send-email-jolsa@kernel.org>

Introducing hists__fprintf_headers function
to separate the code that displays headers.

Link: http://lkml.kernel.org/n/tip-e6uz9m1y585md4cb3qxpp8au@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/ui/stdio/hist.c | 59 +++++++++++++++++++++++-----------------------
 1 file changed, 30 insertions(+), 29 deletions(-)

diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 560eb47d56f9..91353ca16d04 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -622,36 +622,18 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp,
 	return 2;
 }
 
-size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
-		      int max_cols, float min_pcnt, FILE *fp)
+static int hists__fprintf_headers(struct hists *hists, FILE *fp)
 {
 	struct perf_hpp_fmt *fmt;
 	struct perf_hpp_list_node *fmt_node;
-	struct rb_node *nd;
-	size_t ret = 0;
 	unsigned int width;
 	const char *sep = symbol_conf.field_sep;
-	int nr_rows = 0;
 	char bf[96];
 	struct perf_hpp dummy_hpp = {
 		.buf	= bf,
 		.size	= sizeof(bf),
 	};
 	bool first = true;
-	size_t linesz;
-	char *line = NULL;
-	unsigned indent;
-
-	init_rem_hits();
-
-	hists__for_each_format(hists, fmt)
-		perf_hpp__reset_width(fmt, hists);
-
-	if (symbol_conf.col_width_list_str)
-		perf_hpp__set_user_width(symbol_conf.col_width_list_str);
-
-	if (!show_header)
-		goto print_entries;
 
 	fprintf(fp, "# ");
 
@@ -660,8 +642,7 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
 			perf_hpp_list__for_each_format(&fmt_node->hpp, fmt)
 				perf_hpp__reset_width(fmt, hists);
 		}
-		nr_rows += print_hierarchy_header(hists, &dummy_hpp, sep, fp);
-		goto print_entries;
+		return print_hierarchy_header(hists, &dummy_hpp, sep, fp);
 	}
 
 	hists__for_each_format(hists, fmt) {
@@ -678,11 +659,9 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
 	}
 
 	fprintf(fp, "\n");
-	if (max_rows && ++nr_rows >= max_rows)
-		goto out;
 
 	if (sep)
-		goto print_entries;
+		return 1;
 
 	first = true;
 
@@ -705,14 +684,36 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
 	}
 
 	fprintf(fp, "\n");
-	if (max_rows && ++nr_rows >= max_rows)
-		goto out;
-
 	fprintf(fp, "#\n");
-	if (max_rows && ++nr_rows >= max_rows)
+	return 3;
+}
+
+size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
+		      int max_cols, float min_pcnt, FILE *fp)
+{
+	struct perf_hpp_fmt *fmt;
+	struct rb_node *nd;
+	size_t ret = 0;
+	const char *sep = symbol_conf.field_sep;
+	int nr_rows = 0;
+	size_t linesz;
+	char *line = NULL;
+	unsigned indent;
+
+	init_rem_hits();
+
+	hists__for_each_format(hists, fmt)
+		perf_hpp__reset_width(fmt, hists);
+
+	if (symbol_conf.col_width_list_str)
+		perf_hpp__set_user_width(symbol_conf.col_width_list_str);
+
+	if (show_header)
+		nr_rows += hists__fprintf_headers(hists, fp);
+
+	if (max_rows && nr_rows >= max_rows)
 		goto out;
 
-print_entries:
 	linesz = hists__sort_list_width(hists) + 3 + 1;
 	linesz += perf_hpp__color_overhead();
 	line = malloc(linesz);
-- 
2.4.11

  parent reply	other threads:[~2016-06-14 18:19 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-14 18:19 [PATCH 00/11] perf tools: Various fixes Jiri Olsa
2016-06-14 18:19 ` [PATCH 01/11] perf mem: Add --ldlat option Jiri Olsa
2016-06-16  8:34   ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-06-14 18:19 ` [PATCH 02/11] perf tools: Fix Data Object sort entry width index Jiri Olsa
2016-06-16  8:34   ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-06-14 18:19 ` [PATCH 03/11] perf tools tui: Separate hierarchy and standard headers output Jiri Olsa
2016-06-16  8:35   ` [tip:perf/core] perf " tip-bot for Jiri Olsa
2016-06-14 18:19 ` Jiri Olsa [this message]
2016-06-16  8:35   ` [tip:perf/core] perf stdio: Separate " tip-bot for Jiri Olsa
2016-06-14 18:19 ` [PATCH 05/11] perf tools stdio: Separate hierarchy " Jiri Olsa
2016-06-16  8:36   ` [tip:perf/core] perf " tip-bot for Jiri Olsa
2016-06-14 18:19 ` [PATCH 06/11] perf tools stdio: Separate standard " Jiri Olsa
2016-06-16  8:36   ` [tip:perf/core] perf " tip-bot for Jiri Olsa
2016-06-14 18:19 ` [PATCH 07/11] perf tools stdio: Do not pass hists in hist_entry__fprintf Jiri Olsa
2016-06-16  8:37   ` [tip:perf/core] perf " tip-bot for Jiri Olsa
2016-06-14 18:19 ` [PATCH 08/11] perf tools stdio: Add use_callchain parameter to hists__fprintf Jiri Olsa
2016-06-16  8:37   ` [tip:perf/core] perf " tip-bot for Jiri Olsa
2016-06-14 18:19 ` [PATCH 09/11] perf tools: Replace perf_evsel arg perf_hpp_fmt's header callback Jiri Olsa
2016-06-16  8:38   ` [tip:perf/core] perf hists: " tip-bot for Jiri Olsa
2016-06-14 18:19 ` [PATCH 10/11] perf tools: Replace perf_evsel arg perf_hpp_fmt's width callback Jiri Olsa
2016-06-16  8:38   ` [tip:perf/core] perf hists: " tip-bot for Jiri Olsa
2016-06-14 18:19 ` [PATCH 11/11] perf tools: Rename __hists__add_entry to hists__add_entry Jiri Olsa
2016-06-22  7:41   ` [tip:perf/core] perf hists: " tip-bot for Jiri Olsa

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