08-21-2020, 01:11 PM
(08-18-2020, 10:58 AM)jonners Wrote: [ -> ]It looks as if Moode 7 may have some of what you are looking for: http://moodeaudio.org/forum/showthread.php?tid=2856
Love this one here!
(08-18-2020, 10:58 AM)jonners Wrote: [ -> ]It looks as if Moode 7 may have some of what you are looking for: http://moodeaudio.org/forum/showthread.php?tid=2856
(08-21-2020, 12:28 PM)roberto.pierpaoli Wrote: [ -> ](08-21-2020, 05:11 AM)swizzle Wrote: [ -> ]The 64-bit kernel already has preempt-rt applied.
Thanks for pointing this out.
So the 64-bit image is enabled for real-time/low-latency out-of-the-box, is it?
Are there processes using the real-time scheduling policy in Moode per your knowledge?
(08-21-2020, 12:28 PM)roberto.pierpaoli Wrote: [ -> ](08-21-2020, 05:11 AM)swizzle Wrote: [ -> ]The 64-bit kernel already has preempt-rt applied.
Thanks for pointing this out.
So the 64-bit image is enabled for real-time/low-latency out-of-the-box, is it?
Are there processes using the real-time scheduling policy in Moode per your knowledge?
pi@rp3:~ $ uname -a
Linux rp3 5.4.49-v7+ #1323 SMP Fri Jun 26 14:34:26 BST 2020 armv7l GNU/Linux
pi@rp3:~ $ sudo modprobe configs
pi@rp3:~ $ zcat /proc/config.gz | grep PREEMPT
# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_PREEMPT is not set
CONFIG_PREEMPTIRQ_TRACEPOINTS=y
# CONFIG_PREEMPTIRQ_EVENTS is not set
# CONFIG_PREEMPTIRQ_DELAY_TEST is not set
pi@rp3:~ $ uname -a
Linux rp3 5.4.49-v8+ #1323 SMP PREEMPT Fri Jun 26 14:47:11 BST 2020 aarch64 GNU/Linux
pi@rp3:~ $ sudo modprobe configs
pi@rp3:~ $ zcat /proc/config.gz | grep PREEMPT
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
CONFIG_PREEMPT=y
CONFIG_PREEMPT_COUNT=y
CONFIG_PREEMPTION=y
CONFIG_PREEMPT_RCU=y
CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_DEBUG_PREEMPT=y
CONFIG_PREEMPTIRQ_TRACEPOINTS=y
# CONFIG_PREEMPTIRQ_EVENTS is not set
# CONFIG_PREEMPT_TRACER is not set
# CONFIG_PREEMPTIRQ_DELAY_TEST is not set
pi@rp3:~ $ zcat /proc/config.gz | grep CONFIG_RT_GROUP_SCHED
# CONFIG_RT_GROUP_SCHED is not set
pi@rp3:~ $ zgrep ^CONFIG_RT_GROUP_SCHED /proc/config.gz
pi@rp3:~ $
pi@rp3:~ $ ps H -q `pidof -s mpd` -o 'pid,tid,cls,rtprio,comm'
PID TID CLS RTPRIO COMMAND
1216 1216 TS - mpd
1216 1220 TS - io
1216 1221 FF 50 rtio
1216 1442 TS - player
1216 1443 TS - decoder:faad
1216 1485 FF 50 output:ALSA def