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

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>

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 844c755564e353f6d9a6cafdda4287a73aea828c..8748bb5e54030940ef4675eb82e6c330bc5dd4c9 100644 (file)
--- 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 c198926c0e27a3d47f80aec5198508ecab7c075a..8cad17363e9031bf7deb2370bcc0e70e72e2daaf 100644 (file)
--- 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;