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Subject[PATCH 47/77] perf stat: Move 'metric_only' to 'struct perf_stat_config'
Date
From: Jiri Olsa <jolsa@kernel.org>

Move the static 'metric_only' variable to 'struct perf_stat_config', so
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/20180830063252.23729-23-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-stat.c | 29 ++++++++++++++++-------------
tools/perf/util/stat.h | 1 +
2 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 89297ab77d21..397cb4f28d7f 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -163,7 +163,6 @@ static const char *post_cmd = NULL;
static bool sync_run = false;
static unsigned int unit_width = 4; /* strlen("unit") */
static bool forever = false;
-static bool metric_only = false;
static bool force_metric_only = false;
static bool no_merge = false;
static bool walltime_run_table = false;
@@ -1013,7 +1012,7 @@ static void printout(struct perf_stat_config *config, int id, int nr,
print_metric_t pm = print_metric_std;
new_line_t nl;

- if (metric_only) {
+ if (config->metric_only) {
nl = new_line_metric;
if (config->csv_output)
pm = print_metric_only_csv;
@@ -1022,7 +1021,7 @@ static void printout(struct perf_stat_config *config, int id, int nr,
} else
nl = new_line_std;

- if (config->csv_output && !metric_only) {
+ if (config->csv_output && !config->metric_only) {
static int aggr_fields[] = {
[AGGR_GLOBAL] = 0,
[AGGR_THREAD] = 1,
@@ -1039,7 +1038,7 @@ static void printout(struct perf_stat_config *config, int id, int nr,
os.nfields++;
}
if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
- if (metric_only) {
+ if (config->metric_only) {
pm(config, &os, NULL, "", "", 0);
return;
}
@@ -1077,7 +1076,7 @@ static void printout(struct perf_stat_config *config, int id, int nr,
return;
}

- if (!metric_only)
+ if (!config->metric_only)
abs_printout(config, id, nr, counter, uval);

out.print_metric = pm;
@@ -1085,7 +1084,7 @@ static void printout(struct perf_stat_config *config, int id, int nr,
out.ctx = &os;
out.force_header = false;

- if (config->csv_output && !metric_only) {
+ if (config->csv_output && !config->metric_only) {
print_noise(config, counter, noise);
print_running(config, run, ena);
}
@@ -1093,7 +1092,7 @@ static void printout(struct perf_stat_config *config, int id, int nr,
perf_stat__print_shadow_stats(config, counter, uval,
first_shadow_cpu(counter, id),
&out, &metric_events, st);
- if (!config->csv_output && !metric_only) {
+ if (!config->csv_output && !config->metric_only) {
print_noise(config, counter, noise);
print_running(config, run, ena);
}
@@ -1225,6 +1224,7 @@ static void aggr_cb(struct perf_evsel *counter, void *data, bool first)
static void print_aggr(struct perf_stat_config *config,
char *prefix)
{
+ bool metric_only = config->metric_only;
FILE *output = config->output;
struct perf_evsel *counter;
int s, id, nr;
@@ -1388,6 +1388,7 @@ static void counter_aggr_cb(struct perf_evsel *counter, void *data,
static void print_counter_aggr(struct perf_stat_config *config,
struct perf_evsel *counter, char *prefix)
{
+ bool metric_only = config->metric_only;
FILE *output = config->output;
double uval;
struct caggr_data cd = { .avg = 0.0 };
@@ -1540,6 +1541,7 @@ static void print_metric_headers(struct perf_stat_config *config,
static void print_interval(struct perf_stat_config *config,
char *prefix, struct timespec *ts)
{
+ bool metric_only = config->metric_only;
FILE *output = config->output;
static int num_print_interval;

@@ -1716,6 +1718,7 @@ perf_evlist__print_counters(struct perf_evlist *evlist,
struct timespec *ts,
int argc, const char **argv)
{
+ bool metric_only = config->metric_only;
int interval = config->interval;
struct perf_evsel *counter;
char buf[64], *prefix = NULL;
@@ -1843,7 +1846,7 @@ static int enable_metric_only(const struct option *opt __maybe_unused,
const char *s __maybe_unused, int unset)
{
force_metric_only = true;
- metric_only = !unset;
+ stat_config.metric_only = !unset;
return 0;
}

@@ -1922,7 +1925,7 @@ static const struct option stat_options[] = {
"aggregate counts per thread", AGGR_THREAD),
OPT_UINTEGER('D', "delay", &stat_config.initial_delay,
"ms to wait before starting measurement after program start"),
- OPT_CALLBACK_NOOPT(0, "metric-only", &metric_only, NULL,
+ OPT_CALLBACK_NOOPT(0, "metric-only", &stat_config.metric_only, NULL,
"Only print computed metrics. No raw values", enable_metric_only),
OPT_BOOLEAN(0, "topdown", &topdown_run,
"measure topdown level 1 statistics"),
@@ -2345,7 +2348,7 @@ static int add_default_attributes(void)
if (pmu_have_event("msr", "aperf") &&
pmu_have_event("msr", "smi")) {
if (!force_metric_only)
- metric_only = true;
+ stat_config.metric_only = true;
err = parse_events(evsel_list, smi_cost_attrs, &errinfo);
} else {
fprintf(stderr, "To measure SMI cost, it needs "
@@ -2376,7 +2379,7 @@ static int add_default_attributes(void)
}

if (!force_metric_only)
- metric_only = true;
+ stat_config.metric_only = true;
if (topdown_filter_events(topdown_attrs, &str,
arch_topdown_check_group(&warn)) < 0) {
pr_err("Out of memory\n");
@@ -2776,12 +2779,12 @@ int cmd_stat(int argc, const char **argv)
goto out;
}

- if (metric_only && stat_config.aggr_mode == AGGR_THREAD) {
+ if (stat_config.metric_only && stat_config.aggr_mode == AGGR_THREAD) {
fprintf(stderr, "--metric-only is not supported with --per-thread\n");
goto out;
}

- if (metric_only && run_count > 1) {
+ if (stat_config.metric_only && run_count > 1) {
fprintf(stderr, "--metric-only is not supported with -r\n");
goto out;
}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 470ab37601be..da838182b99c 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -93,6 +93,7 @@ struct perf_stat_config {
bool identifier;
bool csv_output;
bool interval_clear;
+ bool metric_only;
FILE *output;
unsigned int interval;
unsigned int timeout;
--
2.14.4
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