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measure backend process callback duration in ALSA backend

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This commit is contained in:
Paul Davis 2021-06-12 14:49:07 -06:00
parent c5abb7ecda
commit 4c76ff503f
1 changed files with 2 additions and 0 deletions
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2
libs/backends/alsa/alsa_audiobackend.cc
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@ -1961,11 +1961,13 @@ AlsaAudioBackend::main_process_thread ()
/* call engine process callback */
_last_process_start = g_get_monotonic_time ();
dsp_stats[PreProcess].update();
dsp_stats[ProcessCallback].start();
if (engine.process_callback (_samples_per_period)) {
_pcmi->pcm_stop ();
_active = false;
return 0;
}
dsp_stats[ProcessCallback].update();
dsp_stats[PostProcess].start ();
/* only used when adding/removing MIDI device/system ports */