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Subject[PATCH 66/77] perf stat: Move 'walltime_*' data to 'struct perf_stat_config'
Date
From: Jiri Olsa <jolsa@kernel.org>

Move the static variables 'walltime_*' to 'struct perf_stat_config', so
that it can be passed around and used outside '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/20180830063252.23729-42-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-stat.c | 22 ++++++++++------------
tools/perf/util/stat.h | 2 ++
2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 486b0cf7818d..8a4979748cbb 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -158,13 +158,11 @@ static const char *post_cmd = NULL;
static bool sync_run = false;
static bool forever = false;
static bool force_metric_only = false;
-static bool walltime_run_table = false;
static struct timespec ref_time;
static bool append_file;
static bool interval_count;
static const char *output_name;
static int output_fd;
-static u64 *walltime_run;

struct perf_stat {
bool record;
@@ -604,8 +602,8 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)

t1 = rdclock();

- if (walltime_run_table)
- walltime_run[run_idx] = t1 - t0;
+ if (stat_config.walltime_run_table)
+ stat_config.walltime_run[run_idx] = t1 - t0;

update_stats(&walltime_nsecs_stats, t1 - t0);

@@ -1646,7 +1644,7 @@ static void print_table(struct perf_stat_config *config,
fprintf(output, "%*s# Table of individual measurements:\n", indent, "");

for (idx = 0; idx < config->run_count; idx++) {
- double run = (double) walltime_run[idx] / NSEC_PER_SEC;
+ double run = (double) config->walltime_run[idx] / NSEC_PER_SEC;
int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5);

fprintf(output, " %17.*f (%+.*f) ",
@@ -1694,7 +1692,7 @@ static void print_footer(struct perf_stat_config *config)
*/
int precision = get_precision(sd) + 2;

- if (walltime_run_table)
+ if (config->walltime_run_table)
print_table(config, output, precision, avg);

fprintf(output, " %17.*f +- %.*f seconds time elapsed",
@@ -1888,7 +1886,7 @@ static const struct option stat_options[] = {
"be more verbose (show counter open errors, etc)"),
OPT_INTEGER('r', "repeat", &stat_config.run_count,
"repeat command and print average + stddev (max: 100, forever: 0)"),
- OPT_BOOLEAN(0, "table", &walltime_run_table,
+ OPT_BOOLEAN(0, "table", &stat_config.walltime_run_table,
"display details about each run (only with -r option)"),
OPT_BOOLEAN('n', "null", &stat_config.null_run,
"null run - dont start any counters"),
@@ -2802,7 +2800,7 @@ int cmd_stat(int argc, const char **argv)
goto out;
}

- if (walltime_run_table && stat_config.run_count <= 1) {
+ if (stat_config.walltime_run_table && stat_config.run_count <= 1) {
fprintf(stderr, "--table is only supported with -r\n");
parse_options_usage(stat_usage, stat_options, "r", 1);
parse_options_usage(NULL, stat_options, "table", 0);
@@ -2870,9 +2868,9 @@ int cmd_stat(int argc, const char **argv)
stat_config.run_count = 1;
}

- if (walltime_run_table) {
- walltime_run = zalloc(stat_config.run_count * sizeof(walltime_run[0]));
- if (!walltime_run) {
+ if (stat_config.walltime_run_table) {
+ stat_config.walltime_run = zalloc(stat_config.run_count * sizeof(stat_config.walltime_run[0]));
+ if (!stat_config.walltime_run) {
pr_err("failed to setup -r option");
goto out;
}
@@ -3052,7 +3050,7 @@ int cmd_stat(int argc, const char **argv)
perf_stat__exit_aggr_mode();
perf_evlist__free_stats(evsel_list);
out:
- free(walltime_run);
+ free(stat_config.walltime_run);

if (smi_cost && smi_reset)
sysfs__write_int(FREEZE_ON_SMI_PATH, 0);
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 0758107fe56f..5193cbf6e4c6 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -105,6 +105,7 @@ struct perf_stat_config {
bool ru_display;
bool big_num;
bool no_merge;
+ bool walltime_run_table;
FILE *output;
unsigned int interval;
unsigned int timeout;
@@ -123,6 +124,7 @@ struct perf_stat_config {
struct cpu_map *aggr_map;
aggr_get_id_t aggr_get_id;
struct cpu_map *cpus_aggr_map;
+ u64 *walltime_run;
};

void update_stats(struct stats *stats, u64 val);
--
2.14.4
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