perf stat: Move 'print_free_counters_hint' to 'struct perf_stat_config' (31084123) · Commits · 戴 / test

Move the 'print_free_counters_hint' 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@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-34-jolsa@kernel.org Signed-off-by:

Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-stat.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -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,

tools/perf/util/stat.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;

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