linux-kernel - [tip:perf/core] perf stat: Move 'metric_only_len' to 'struct perf_stat

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Message-ID: <tip-ee1760e2cf623bc6834fc3e4e89c6ad030a25dfd@git.kernel.org>
Date:   Thu, 6 Sep 2018 06:35:52 -0700
From:   tip-bot for Jiri Olsa <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     andi@...stfloor.org, mingo@...nel.org, namhyung@...nel.org,
        alexander.shishkin@...ux.intel.com, acme@...hat.com,
        jolsa@...nel.org, tglx@...utronix.de, hpa@...or.com,
        dsahern@...il.com, linux-kernel@...r.kernel.org,
        peterz@...radead.org
Subject: [tip:perf/core] perf stat: Move 'metric_only_len' to 'struct
 perf_stat_config'

Commit-ID:  ee1760e2cf623bc6834fc3e4e89c6ad030a25dfd
Gitweb:     https://git.kernel.org/tip/ee1760e2cf623bc6834fc3e4e89c6ad030a25dfd
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Thu, 30 Aug 2018 08:32:37 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 30 Aug 2018 15:52:23 -0300

perf stat: Move 'metric_only_len' to 'struct perf_stat_config'

Move the static 'metric_only_len' variable to 'struct perf_stat_config',
so that it can be passed around and used outside the 'perf stat' command.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/20180830063252.23729-29-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-stat.c | 10 +++++-----
 tools/perf/util/stat.h    |  1 +
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 1276596840c9..e96cef526ef0 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -176,7 +176,6 @@ static int			print_mixed_hw_group_error;
 static u64			*walltime_run;
 static bool			ru_display			= false;
 static struct rusage		ru_data;
-static unsigned int		metric_only_len			= METRIC_ONLY_LEN;
 
 struct perf_stat {
 	bool			 record;
@@ -200,6 +199,7 @@ static struct perf_stat_config stat_config = {
 	.scale		= true,
 	.unit_width	= 4, /* strlen("unit") */
 	.run_count	= 1,
+	.metric_only_len = METRIC_ONLY_LEN,
 };
 
 static bool is_duration_time(struct perf_evsel *evsel)
@@ -854,14 +854,14 @@ static const char *fixunit(char *buf, struct perf_evsel *evsel,
 	return unit;
 }
 
-static void print_metric_only(struct perf_stat_config *config __maybe_unused,
+static void print_metric_only(struct perf_stat_config *config,
 			      void *ctx, const char *color, const char *fmt,
 			      const char *unit, double val)
 {
 	struct outstate *os = ctx;
 	FILE *out = os->fh;
 	char buf[1024], str[1024];
-	unsigned mlen = metric_only_len;
+	unsigned mlen = config->metric_only_len;
 
 	if (!valid_only_metric(unit))
 		return;
@@ -902,7 +902,7 @@ static void new_line_metric(struct perf_stat_config *config __maybe_unused,
 {
 }
 
-static void print_metric_header(struct perf_stat_config *config __maybe_unused,
+static void print_metric_header(struct perf_stat_config *config,
 				void *ctx, const char *color __maybe_unused,
 				const char *fmt __maybe_unused,
 				const char *unit, double val __maybe_unused)
@@ -916,7 +916,7 @@ static void print_metric_header(struct perf_stat_config *config __maybe_unused,
 	if (config->csv_output)
 		fprintf(os->fh, "%s%s", unit, config->csv_sep);
 	else
-		fprintf(os->fh, "%*s ", metric_only_len, unit);
+		fprintf(os->fh, "%*s ", config->metric_only_len, unit);
 }
 
 static int first_shadow_cpu(struct perf_evsel *evsel, int id)
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 351a36f5f5b0..e70e6d93ee1b 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -99,6 +99,7 @@ struct perf_stat_config {
 	unsigned int		 timeout;
 	unsigned int		 initial_delay;
 	unsigned int		 unit_width;
+	unsigned int		 metric_only_len;
 	int			 times;
 	int			 run_count;
 	struct runtime_stat	*stats;