[tip:perf/core] perf stat: Move csv_* to 'struct perf_stat_config'

From: tip-bot for Jiri Olsa
Date: Thu Sep 06 2018 - 09:31:51 EST

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Commit-ID: fa7070a38676d660c0a71ab6981bfdca3b340ccd
Gitweb: https://git.kernel.org/tip/fa7070a38676d660c0a71ab6981bfdca3b340ccd
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 30 Aug 2018 08:32:29 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 30 Aug 2018 15:52:23 -0300

perf stat: Move csv_* to 'struct perf_stat_config'

Move the static csv_* variables 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@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20180830063252.23729-21-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-stat.c | 114 +++++++++++++++++++++++-----------------------
tools/perf/util/stat.h | 2 +
2 files changed, 58 insertions(+), 58 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 7a3361308e61..4c29e5065e02 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -157,8 +157,6 @@ static bool smi_cost = false;
static bool smi_reset = false;
static bool big_num = true;
static int big_num_opt = -1;
-static const char *csv_sep = NULL;
-static bool csv_output = false;
static bool group = false;
static const char *pre_cmd = NULL;
static const char *post_cmd = NULL;
@@ -663,11 +661,11 @@ static int run_perf_stat(int argc, const char **argv, int run_idx)
static void print_running(struct perf_stat_config *config,
u64 run, u64 ena)
{
- if (csv_output) {
+ if (config->csv_output) {
fprintf(config->output, "%s%" PRIu64 "%s%.2f",
- csv_sep,
+ config->csv_sep,
run,
- csv_sep,
+ config->csv_sep,
ena ? 100.0 * run / ena : 100.0);
} else if (run != ena) {
fprintf(config->output, " (%.2f%%)", 100.0 * run / ena);
@@ -679,8 +677,8 @@ static void print_noise_pct(struct perf_stat_config *config,
{
double pct = rel_stddev_stats(total, avg);

- if (csv_output)
- fprintf(config->output, "%s%.2f%%", csv_sep, pct);
+ if (config->csv_output)
+ fprintf(config->output, "%s%.2f%%", config->csv_sep, pct);
else if (pct)
fprintf(config->output, " ( +-%6.2f%% )", pct);
}
@@ -704,34 +702,34 @@ static void aggr_printout(struct perf_stat_config *config,
case AGGR_CORE:
fprintf(config->output, "S%d-C%*d%s%*d%s",
cpu_map__id_to_socket(id),
- csv_output ? 0 : -8,
+ config->csv_output ? 0 : -8,
cpu_map__id_to_cpu(id),
- csv_sep,
- csv_output ? 0 : 4,
+ config->csv_sep,
+ config->csv_output ? 0 : 4,
nr,
- csv_sep);
+ config->csv_sep);
break;
case AGGR_SOCKET:
fprintf(config->output, "S%*d%s%*d%s",
- csv_output ? 0 : -5,
+ config->csv_output ? 0 : -5,
id,
- csv_sep,
- csv_output ? 0 : 4,
+ config->csv_sep,
+ config->csv_output ? 0 : 4,
nr,
- csv_sep);
+ config->csv_sep);
break;
case AGGR_NONE:
fprintf(config->output, "CPU%*d%s",
- csv_output ? 0 : -4,
- perf_evsel__cpus(evsel)->map[id], csv_sep);
+ config->csv_output ? 0 : -4,
+ perf_evsel__cpus(evsel)->map[id], config->csv_sep);
break;
case AGGR_THREAD:
fprintf(config->output, "%*s-%*d%s",
- csv_output ? 0 : 16,
+ config->csv_output ? 0 : 16,
thread_map__comm(evsel->threads, id),
- csv_output ? 0 : -8,
+ config->csv_output ? 0 : -8,
thread_map__pid(evsel->threads, id),
- csv_sep);
+ config->csv_sep);
break;
case AGGR_GLOBAL:
case AGGR_UNSET:
@@ -804,10 +802,10 @@ static void new_line_csv(struct perf_stat_config *config, void *ctx)

fputc('\n', os->fh);
if (os->prefix)
- fprintf(os->fh, "%s%s", os->prefix, csv_sep);
+ fprintf(os->fh, "%s%s", os->prefix, config->csv_sep);
aggr_printout(config, os->evsel, os->id, os->nr);
for (i = 0; i < os->nfields; i++)
- fputs(csv_sep, os->fh);
+ fputs(config->csv_sep, os->fh);
}

static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
@@ -820,7 +818,7 @@ static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
char buf[64], *vals, *ends;

if (unit == NULL || fmt == NULL) {
- fprintf(out, "%s%s", csv_sep, csv_sep);
+ fprintf(out, "%s%s", config->csv_sep, config->csv_sep);
return;
}
snprintf(buf, sizeof(buf), fmt, val);
@@ -830,7 +828,7 @@ static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
*ends = 0;
while (isspace(*unit))
unit++;
- fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit);
+ fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, unit);
}

/* Filter out some columns that don't work well in metrics only mode */
@@ -898,7 +896,7 @@ static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused
while (isdigit(*ends) || *ends == '.')
ends++;
*ends = 0;
- fprintf(out, "%s%s", vals, csv_sep);
+ fprintf(out, "%s%s", vals, config->csv_sep);
}

static void new_line_metric(struct perf_stat_config *config __maybe_unused,
@@ -917,8 +915,8 @@ static void print_metric_header(struct perf_stat_config *config __maybe_unused,
if (!valid_only_metric(unit))
return;
unit = fixunit(tbuf, os->evsel, unit);
- if (csv_output)
- fprintf(os->fh, "%s%s", unit, csv_sep);
+ if (config->csv_output)
+ fprintf(os->fh, "%s%s", unit, config->csv_sep);
else
fprintf(os->fh, "%*s ", metric_only_len, unit);
}
@@ -952,7 +950,7 @@ static void abs_printout(struct perf_stat_config *config,
double sc = evsel->scale;
const char *fmt;

- if (csv_output) {
+ if (config->csv_output) {
fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s";
} else {
if (big_num)
@@ -963,17 +961,17 @@ static void abs_printout(struct perf_stat_config *config,

aggr_printout(config, evsel, id, nr);

- fprintf(output, fmt, avg, csv_sep);
+ fprintf(output, fmt, avg, config->csv_sep);

if (evsel->unit)
fprintf(output, "%-*s%s",
- csv_output ? 0 : unit_width,
- evsel->unit, csv_sep);
+ config->csv_output ? 0 : unit_width,
+ evsel->unit, config->csv_sep);

- fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel));
+ fprintf(output, "%-*s", config->csv_output ? 0 : 25, perf_evsel__name(evsel));

if (evsel->cgrp)
- fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
+ fprintf(output, "%s%s", config->csv_sep, evsel->cgrp->name);
}

static bool is_mixed_hw_group(struct perf_evsel *counter)
@@ -1018,14 +1016,14 @@ static void printout(struct perf_stat_config *config, int id, int nr,

if (metric_only) {
nl = new_line_metric;
- if (csv_output)
+ if (config->csv_output)
pm = print_metric_only_csv;
else
pm = print_metric_only;
} else
nl = new_line_std;

- if (csv_output && !metric_only) {
+ if (config->csv_output && !metric_only) {
static int aggr_fields[] = {
[AGGR_GLOBAL] = 0,
[AGGR_THREAD] = 1,
@@ -1049,9 +1047,9 @@ static void printout(struct perf_stat_config *config, int id, int nr,
aggr_printout(config, counter, id, nr);

fprintf(config->output, "%*s%s",
- csv_output ? 0 : 18,
+ config->csv_output ? 0 : 18,
counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
- csv_sep);
+ config->csv_sep);

if (counter->supported) {
print_free_counters_hint = 1;
@@ -1060,22 +1058,22 @@ static void printout(struct perf_stat_config *config, int id, int nr,
}

fprintf(config->output, "%-*s%s",
- csv_output ? 0 : unit_width,
- counter->unit, csv_sep);
+ config->csv_output ? 0 : unit_width,
+ counter->unit, config->csv_sep);

fprintf(config->output, "%*s",
- csv_output ? 0 : -25,
+ config->csv_output ? 0 : -25,
perf_evsel__name(counter));

if (counter->cgrp)
fprintf(config->output, "%s%s",
- csv_sep, counter->cgrp->name);
+ config->csv_sep, counter->cgrp->name);

- if (!csv_output)
+ if (!config->csv_output)
pm(config, &os, NULL, NULL, "", 0);
print_noise(config, counter, noise);
print_running(config, run, ena);
- if (csv_output)
+ if (config->csv_output)
pm(config, &os, NULL, NULL, "", 0);
return;
}
@@ -1088,7 +1086,7 @@ static void printout(struct perf_stat_config *config, int id, int nr,
out.ctx = &os;
out.force_header = false;

- if (csv_output && !metric_only) {
+ if (config->csv_output && !metric_only) {
print_noise(config, counter, noise);
print_running(config, run, ena);
}
@@ -1096,7 +1094,7 @@ 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 (!csv_output && !metric_only) {
+ if (!config->csv_output && !metric_only) {
print_noise(config, counter, noise);
print_running(config, run, ena);
}
@@ -1512,10 +1510,10 @@ static void print_metric_headers(struct perf_stat_config *config,
if (prefix)
fprintf(config->output, "%s", prefix);

- if (!csv_output && !no_indent)
+ if (!config->csv_output && !no_indent)
fprintf(config->output, "%*s",
aggr_header_lens[config->aggr_mode], "");
- if (csv_output) {
+ if (config->csv_output) {
if (config->interval)
fputs("time,", config->output);
fputs(aggr_header_csv[config->aggr_mode], config->output);
@@ -1549,9 +1547,9 @@ static void print_interval(struct perf_stat_config *config,
if (interval_clear)
puts(CONSOLE_CLEAR);

- sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep);
+ sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, config->csv_sep);

- if ((num_print_interval == 0 && !csv_output) || interval_clear) {
+ if ((num_print_interval == 0 && !config->csv_output) || interval_clear) {
switch (config->aggr_mode) {
case AGGR_SOCKET:
fprintf(output, "# time socket cpus");
@@ -1597,7 +1595,7 @@ static void print_header(struct perf_stat_config *config,

fflush(stdout);

- if (!csv_output) {
+ if (!config->csv_output) {
fprintf(output, "\n");
fprintf(output, " Performance counter stats for ");
if (target.system_wide)
@@ -1776,7 +1774,7 @@ perf_evlist__print_counters(struct perf_evlist *evlist,
break;
}

- if (!interval && !csv_output)
+ if (!interval && !config->csv_output)
print_footer(config);

fflush(config->output);
@@ -1896,7 +1894,7 @@ static const struct option stat_options[] = {
OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode,
"disable CPU count aggregation", AGGR_NONE),
OPT_BOOLEAN(0, "no-merge", &no_merge, "Do not merge identical named events"),
- OPT_STRING('x', "field-separator", &csv_sep, "separator",
+ OPT_STRING('x', "field-separator", &stat_config.csv_sep, "separator",
"print counts with custom separator"),
OPT_CALLBACK('G', "cgroup", &evsel_list, "name",
"monitor event in cgroup name only", parse_cgroups),
@@ -2749,12 +2747,12 @@ int cmd_stat(int argc, const char **argv)
perf_stat__collect_metric_expr(evsel_list);
perf_stat__init_shadow_stats();

- if (csv_sep) {
- csv_output = true;
- if (!strcmp(csv_sep, "\\t"))
- csv_sep = "\t";
+ if (stat_config.csv_sep) {
+ stat_config.csv_output = true;
+ if (!strcmp(stat_config.csv_sep, "\\t"))
+ stat_config.csv_sep = "\t";
} else
- csv_sep = DEFAULT_SEPARATOR;
+ stat_config.csv_sep = DEFAULT_SEPARATOR;

if (argc && !strncmp(argv[0], "rec", 3)) {
argc = __cmd_record(argc, argv);
@@ -2827,7 +2825,7 @@ int cmd_stat(int argc, const char **argv)
/*
* let the spreadsheet do the pretty-printing
*/
- if (csv_output) {
+ if (stat_config.csv_output) {
/* User explicitly passed -B? */
if (big_num_opt == 1) {
fprintf(stderr, "-B option not supported with -x\n");
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index dffcf2110706..18546d8b0279 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -91,6 +91,7 @@ struct perf_stat_config {
bool scale;
bool no_inherit;
bool identifier;
+ bool csv_output;
FILE *output;
unsigned int interval;
unsigned int timeout;
@@ -98,6 +99,7 @@ struct perf_stat_config {
int times;
struct runtime_stat *stats;
int stats_num;
+ const char *csv_sep;
};

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

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