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

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Move the static 'null_run' 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/20180830063252.23729-33-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2018-08-30 08:32:41 +02:00 committed by Arnaldo Carvalho de Melo
parent 26893a6018
commit aea0dca162
2 changed files with 4 additions and 4 deletions
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7
tools/perf/builtin-stat.c
View File

@ -148,7 +148,6 @@ typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu);
#define METRIC_ONLY_LEN 20
static volatile pid_t child_pid = -1;
static bool null_run = false;
static int detailed_run = 0;
static bool transaction_run;
static bool topdown_run = false;
@ -1676,7 +1675,7 @@ static void print_footer(struct perf_stat_config *config)
FILE *output = config->output;
int n;
if (!null_run)
if (!config->null_run)
fprintf(output, "\n");
if (config->run_count == 1) {
@ -1894,7 +1893,7 @@ static const struct option stat_options[] = {
"repeat command and print average + stddev (max: 100, forever: 0)"),
OPT_BOOLEAN(0, "table", &walltime_run_table,
"display details about each run (only with -r option)"),
OPT_BOOLEAN('n', "null", &null_run,
OPT_BOOLEAN('n', "null", &stat_config.null_run,
"null run - dont start any counters"),
OPT_INCR('d', "detailed", &detailed_run,
"detailed run - start a lot of events"),
@ -2309,7 +2308,7 @@ static int add_default_attributes(void)
struct parse_events_error errinfo;
/* Set attrs if no event is selected and !null_run: */
if (null_run)
if (stat_config.null_run)
return 0;
if (transaction_run) {

1
tools/perf/util/stat.h
View File

@ -94,6 +94,7 @@ struct perf_stat_config {
bool csv_output;
bool interval_clear;
bool metric_only;
bool null_run;
FILE *output;
unsigned int interval;
unsigned int timeout;