From: Jiri Olsa <jo...@kernel.org>

Moving 'output' into struct perf_stat_config. The point is to centralize
the base stat config so it could be used localy together with other stat
routines in other parts of perf code.

Signed-off-by: Jiri Olsa <jo...@kernel.org>
Cc: David Ahern <dsah...@gmail.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Link: 
http://lkml.kernel.org/r/1437481927-29538-5-git-send-email-jo...@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/builtin-stat.c | 35 +++++++++++++++++++++++------------
 tools/perf/util/stat.h    |  1 +
 2 files changed, 24 insertions(+), 12 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 3fb2865e519a..e3ea8b67703d 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -110,7 +110,6 @@ static int                  big_num_opt                     
=  -1;
 static const char              *csv_sep                        = NULL;
 static bool                    csv_output                      = false;
 static bool                    group                           = false;
-static FILE                    *output                         = NULL;
 static const char              *pre_cmd                        = NULL;
 static const char              *post_cmd                       = NULL;
 static bool                    sync_run                        = false;
@@ -305,7 +304,7 @@ static int process_counter(struct perf_evsel *counter)
                update_stats(&ps->res_stats[i], count[i]);
 
        if (verbose) {
-               fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
+               fprintf(stat_config.output, "%s: %" PRIu64 " %" PRIu64 " %" 
PRIu64 "\n",
                        perf_evsel__name(counter), count[0], count[1], 
count[2]);
        }
 
@@ -548,13 +547,13 @@ static int run_perf_stat(int argc, const char **argv)
 static void print_running(u64 run, u64 ena)
 {
        if (csv_output) {
-               fprintf(output, "%s%" PRIu64 "%s%.2f",
+               fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f",
                                        csv_sep,
                                        run,
                                        csv_sep,
                                        ena ? 100.0 * run / ena : 100.0);
        } else if (run != ena) {
-               fprintf(output, "  (%.2f%%)", 100.0 * run / ena);
+               fprintf(stat_config.output, "  (%.2f%%)", 100.0 * run / ena);
        }
 }
 
@@ -563,9 +562,9 @@ static void print_noise_pct(double total, double avg)
        double pct = rel_stddev_stats(total, avg);
 
        if (csv_output)
-               fprintf(output, "%s%.2f%%", csv_sep, pct);
+               fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct);
        else if (pct)
-               fprintf(output, "  ( +-%6.2f%% )", pct);
+               fprintf(stat_config.output, "  ( +-%6.2f%% )", pct);
 }
 
 static void print_noise(struct perf_evsel *evsel, double avg)
@@ -583,7 +582,7 @@ static void aggr_printout(struct perf_evsel *evsel, int id, 
int nr)
 {
        switch (stat_config.aggr_mode) {
        case AGGR_CORE:
-               fprintf(output, "S%d-C%*d%s%*d%s",
+               fprintf(stat_config.output, "S%d-C%*d%s%*d%s",
                        cpu_map__id_to_socket(id),
                        csv_output ? 0 : -8,
                        cpu_map__id_to_cpu(id),
@@ -593,7 +592,7 @@ static void aggr_printout(struct perf_evsel *evsel, int id, 
int nr)
                        csv_sep);
                break;
        case AGGR_SOCKET:
-               fprintf(output, "S%*d%s%*d%s",
+               fprintf(stat_config.output, "S%*d%s%*d%s",
                        csv_output ? 0 : -5,
                        id,
                        csv_sep,
@@ -602,12 +601,12 @@ static void aggr_printout(struct perf_evsel *evsel, int 
id, int nr)
                        csv_sep);
                        break;
        case AGGR_NONE:
-               fprintf(output, "CPU%*d%s",
+               fprintf(stat_config.output, "CPU%*d%s",
                        csv_output ? 0 : -4,
                        perf_evsel__cpus(evsel)->map[id], csv_sep);
                break;
        case AGGR_THREAD:
-               fprintf(output, "%*s-%*d%s",
+               fprintf(stat_config.output, "%*s-%*d%s",
                        csv_output ? 0 : 16,
                        thread_map__comm(evsel->threads, id),
                        csv_output ? 0 : -8,
@@ -622,6 +621,7 @@ static void aggr_printout(struct perf_evsel *evsel, int id, 
int nr)
 
 static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg)
 {
+       FILE *output = stat_config.output;
        double msecs = avg / 1e6;
        const char *fmt_v, *fmt_n;
        char name[25];
@@ -658,6 +658,7 @@ static void nsec_printout(int id, int nr, struct perf_evsel 
*evsel, double avg)
 
 static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
 {
+       FILE *output = stat_config.output;
        double sc =  evsel->scale;
        const char *fmt;
        int cpu = cpu_map__id_to_cpu(id);
@@ -697,6 +698,7 @@ static void abs_printout(int id, int nr, struct perf_evsel 
*evsel, double avg)
 
 static void print_aggr(char *prefix)
 {
+       FILE *output = stat_config.output;
        struct perf_evsel *counter;
        int cpu, cpu2, s, s2, id, nr;
        double uval;
@@ -765,6 +767,7 @@ static void print_aggr(char *prefix)
 
 static void print_aggr_thread(struct perf_evsel *counter, char *prefix)
 {
+       FILE *output = stat_config.output;
        int nthreads = thread_map__nr(counter->threads);
        int ncpus = cpu_map__nr(counter->cpus);
        int cpu, thread;
@@ -803,6 +806,7 @@ static void print_aggr_thread(struct perf_evsel *counter, 
char *prefix)
  */
 static void print_counter_aggr(struct perf_evsel *counter, char *prefix)
 {
+       FILE *output = stat_config.output;
        struct perf_stat *ps = counter->priv;
        double avg = avg_stats(&ps->res_stats[0]);
        int scaled = counter->counts->scaled;
@@ -854,6 +858,7 @@ static void print_counter_aggr(struct perf_evsel *counter, 
char *prefix)
  */
 static void print_counter(struct perf_evsel *counter, char *prefix)
 {
+       FILE *output = stat_config.output;
        u64 ena, run, val;
        double uval;
        int cpu;
@@ -908,6 +913,7 @@ static void print_counter(struct perf_evsel *counter, char 
*prefix)
 
 static void print_interval(char *prefix, struct timespec *ts)
 {
+       FILE *output = stat_config.output;
        static int num_print_interval;
 
        sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep);
@@ -938,6 +944,7 @@ static void print_interval(char *prefix, struct timespec 
*ts)
 
 static void print_header(int argc, const char **argv)
 {
+       FILE *output = stat_config.output;
        int i;
 
        fflush(stdout);
@@ -967,6 +974,8 @@ static void print_header(int argc, const char **argv)
 
 static void print_footer(void)
 {
+       FILE *output = stat_config.output;
+
        if (!null_run)
                fprintf(output, "\n");
        fprintf(output, " %17.9f seconds time elapsed",
@@ -1013,7 +1022,7 @@ static void print_counters(struct timespec *ts, int argc, 
const char **argv)
        if (!interval && !csv_output)
                print_footer();
 
-       fflush(output);
+       fflush(stat_config.output);
 }
 
 static volatile int signr = -1;
@@ -1322,6 +1331,7 @@ int cmd_stat(int argc, const char **argv, const char 
*prefix __maybe_unused)
        };
        int status = -EINVAL, run_idx;
        const char *mode;
+       FILE *output = stderr;
 
        setlocale(LC_ALL, "");
 
@@ -1332,7 +1342,6 @@ int cmd_stat(int argc, const char **argv, const char 
*prefix __maybe_unused)
        argc = parse_options(argc, argv, options, stat_usage,
                PARSE_OPT_STOP_AT_NON_OPTION);
 
-       output = stderr;
        if (output_name && strcmp(output_name, "-"))
                output = NULL;
 
@@ -1369,6 +1378,8 @@ int cmd_stat(int argc, const char **argv, const char 
*prefix __maybe_unused)
                }
        }
 
+       stat_config.output = output;
+
        if (csv_sep) {
                csv_output = true;
                if (!strcmp(csv_sep, "\\t"))
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 0a1d83faa7b9..ed0e05829cb0 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -53,6 +53,7 @@ struct perf_counts {
 struct perf_stat_config {
        enum aggr_mode  aggr_mode;
        bool            scale;
+       FILE            *output;
 };
 
 static inline struct perf_counts_values*
-- 
2.1.0

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