Hi Jaroslav, I've tested the patch. It works fine. I didn't experience the original issue with high CPU utilization after applying the patch. When is the next planned release? Thanks! PPP On Tue, Oct 13, 2020 at 10:35 AM Jaroslav Kysela <perex@xxxxxxxx> wrote: > Dne 17. 09. 20 v 21:13 Pavel Hofman napsal(a): > > Hi, > > > > Dne 15. 09. 20 v 5:40 Go Peppy napsal(a): > >> > >> Just to remind what the issue is - while switching from one web radio > >> station to another there is a high CPU usage for about 20 seconds. > Because > >> of that high CPU consumption almost all other processes are blocked. > > > > 20 seconds is only due to 32bit kernel on RPi. On 64bit machines the > > boundary value is usually many orders of magnitude larger, basically > > making the method never finish. > > Could you try this patch? > > > https://github.com/alsa-project/alsa-lib/commit/a6c8ac0c85ca1b16684a687c7000c73aa38b7776 > > It should prevent the big copies which are definitely nonsense and this > change > does not hide the real problem. > > Jaroslav > > > > > With regards, > > > > Pavel. > > > > > -- > Jaroslav Kysela <perex@xxxxxxxx> > Linux Sound Maintainer; ALSA Project; Red Hat, Inc. >
