Re: [LAU] Qtractor MIDI queue timer and TSC

On Mon, 30 Jul 2018 19:58:55 +0000, Rui Nuno Capela wrote: On Mon, 30 Jul 2018 23:12:04 +0200, Clemens Ladisch wrote: Thank you Rui and Clemens, if I check 'default' by the Qtractor options, then indeed 'HR timer' is used. [rocketmouse@archlinux ~]$ zgrep CONFIG_SND_SEQ_HRTIMER_DEFAULT /proc/config.gz CONFIG_SND_SEQ_HRTIMER_DEFAULT=y [rocketmouse@archlinux ~]$ cat /proc/asound/seq/timer [rocketmouse@archlinux ~]$ qtractor >/dev/null 2>&1 & [1] 17682 [rocketmouse@archlinux ~]$ cat /proc/asound/timers G0: system timer : 3333.333us (10000000 ticks) G3: HR timer : 0.001us (1000000000 ticks) Client sequencer queue -1 : stopped P0-0-0: PCM playback 0-0-0 : SLAVE P0-0-1: PCM capture 0-0-1 : SLAVE P1-0-0: PCM playback 1-0-0 : SLAVE P1-0-1: PCM capture 1-0-1 : SLAVE P3-3-0: PCM playback 3-3-0 : SLAVE P3-7-0: PCM playback 3-7-0 : SLAVE P3-8-0: PCM playback 3-8-0 : SLAVE P3-9-0: PCM playback 3-9-0 : SLAVE P3-10-0: PCM playback 3-10-0 : SLAVE [rocketmouse@archlinux ~]$ cat /proc/asound/seq/timer Timer for queue 0 : HR timer Period time : 0.000000000 Skew : 65536 / 65536 [rocketmouse@archlinux ~]$ killall qtractor [rocketmouse@archlinux ~]$ [1]+ Done qtractor > /dev/null 2>&1 [rocketmouse@archlinux ~]$ cat /proc/asound/timers G0: system timer : 3333.333us (10000000 ticks) G3: HR timer : 0.001us (1000000000 ticks) P0-0-0: PCM playback 0-0-0 : SLAVE P0-0-1: PCM capture 0-0-1 : SLAVE P1-0-0: PCM playback 1-0-0 : SLAVE P1-0-1: PCM capture 1-0-1 : SLAVE P3-3-0: PCM playback 3-3-0 : SLAVE P3-7-0: PCM playback 3-7-0 : SLAVE P3-8-0: PCM playback 3-8-0 : SLAVE P3-9-0: PCM playback 3-9-0 : SLAVE P3-10-0: PCM playback 3-10-0 : SLAVE [rocketmouse@archlinux ~]$ cat /proc/asound/seq/timer [rocketmouse@archlinux ~]$ Regards, Ralf -- pacman -Q linux{,-rt{,-securityink,-cornflower,-pussytoes}}|cut -d\ -f2 4.17.11-1 4.16.18_rt11-1 4.16.18_rt10-1 4.16.18_rt9-1 4.14.34_rt27-1