On Thu, 08 Jul 2021 18:11:13 +0200, Muni Sekhar wrote: > > On Thu, Jul 8, 2021 at 6:02 PM Takashi Iwai <tiwai@xxxxxxx> wrote: > > > > On Thu, 08 Jul 2021 14:19:12 +0200, > > Muni Sekhar wrote: > > > > > > On Thu, Jul 8, 2021 at 4:59 PM Takashi Iwai <tiwai@xxxxxxx> wrote: > > > > > > > > On Thu, 01 Jul 2021 01:41:29 +0200, > > > > Muni Sekhar wrote: > > > > > > > > > > Hi all, > > > > > > > > > > >From the user space test application , Is it possible to get the > > > > > trigger timestamp corresponding to SNDRV_PCM_TRIGGER_START & > > > > > SNDRV_PCM_TRIGGER_STOP events for audio playback capture? > > > > > > > > That's exactly what trigger_tstamp of snd_pcm_status corresponds for. > > > Does aplay and arecord have any command line options to get the > > > trigger_tstamp? If not how to get it? > > > > Implement some code :) > > > > Alternatively you can check the proc output contents in > > /proc/asound/card*/pcm*/sub*/status. It'd be difficult to see the > > stop timestamp, though (as the application closes the stream > > immediately after that). > How to specify if i want the REALTIME/MONOTONIC_RAW trigger_time > timestamp type output in /proc/asound/card*/pcm*/sub*/status? It's not provided in a standard tool and you have to write some program by yourself, I suppose. Takashi