linux-kernel - [PATCH 33/43] perf stat: Move print_free_counters_hint into struct perf_stat

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Date:   Thu, 30 Aug 2018 08:32:42 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Andi Kleen <andi@...stfloor.org>
Subject: [PATCH 33/43] perf stat: Move print_free_counters_hint into struct perf_stat_config

Moving print_free_counters_hint into struct perf_stat_config,
so it can be passed around and used outside stat command.

Link: http://lkml.kernel.org/n/tip-ksfkhgwoquxqrlryz8se3hen@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/builtin-stat.c | 5 ++---
 tools/perf/util/stat.h    | 1 +
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 844c755564e3..8748bb5e5403 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -170,7 +170,6 @@ static bool			append_file;
 static bool			interval_count;
 static const char		*output_name;
 static int			output_fd;
-static int			print_free_counters_hint;
 static int			print_mixed_hw_group_error;
 static u64			*walltime_run;
 static bool			ru_display			= false;
@@ -1051,7 +1050,7 @@ static void printout(struct perf_stat_config *config, int id, int nr,
 			config->csv_sep);
 
 		if (counter->supported) {
-			print_free_counters_hint = 1;
+			config->print_free_counters_hint = 1;
 			if (is_mixed_hw_group(counter))
 				print_mixed_hw_group_error = 1;
 		}
@@ -1707,7 +1706,7 @@ static void print_footer(struct perf_stat_config *config)
 	}
 	fprintf(output, "\n\n");
 
-	if (print_free_counters_hint &&
+	if (config->print_free_counters_hint &&
 	    sysctl__read_int("kernel/nmi_watchdog", &n) >= 0 &&
 	    n > 0)
 		fprintf(output,
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index c198926c0e27..8cad17363e90 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -103,6 +103,7 @@ struct perf_stat_config {
 	unsigned int		 metric_only_len;
 	int			 times;
 	int			 run_count;
+	int			 print_free_counters_hint;
 	struct runtime_stat	*stats;
 	int			 stats_num;
 	const char		*csv_sep;
-- 
2.17.1