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perf stat: Factor out body of event handling loop for system wide

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Introduce handle_interval() function that factors out body of event
handling loop for attach and system wide monitoring use cases.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/73130f9e-0d0f-7391-da50-41b4bf4bf54d@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Alexey Budankov 2020-07-17 10:02:08 +03:00 committed by Arnaldo Carvalho de Melo
parent ec886bf538
commit dece3a4d33
1 changed files with 11 additions and 6 deletions
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17
tools/perf/builtin-stat.c
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@ -475,6 +475,16 @@ static void process_interval(void)
print_counters(&rs, 0, NULL);
}
static bool handle_interval(unsigned int interval, int *times)
{
if (interval) {
process_interval();
if (interval_count && !(--(*times)))
return true;
}
return false;
}
static void enable_counters(void)
{
if (stat_config.initial_delay)
@ -809,13 +819,8 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
nanosleep(&ts, NULL);
if (!is_target_alive(&target, evsel_list->core.threads))
break;
if (timeout)
if (timeout || handle_interval(interval, &times))
break;
if (interval) {
process_interval();
if (interval_count && !(--times))
break;
}
}
}