On Fri, 18 Aug 2017 22:57:07 +0200, Jaromír Mikeš wrote: >2017-08-18 12:38 GMT+02:00 Ralf Mardorf <ralf.mardorf@xxxxxxxxxxxxx>: > >> On Fri, 2017-08-18 at 11:54 +0200, Jaromír Mikeš wrote: >> > irqbalance should be disabled? >> >> "Disabling the irqbalance daemon >> This daemon is enabled by default and periodically forces interrupts >> to be handled by CPUs in an even, fair manner. However in realtime >> deployments, applications are typically dedicated and bound to >> specific CPUs, so the irqbalance daemon is not required." - >> https://access.redhat .com/documentation/en- >> US/Red_Hat_Enterprise_MRG/1.3/html/Realtime_Tuning_Guide/sect- >> Realtime_Tuning_Guide-General_System_Tuning- >> Interrupt_and_Process_Binding.html >> > >Is there some way how to disable it on starting jack and enable on >quilt jack? >I already using scripts for running PA via jack ... >But here it looks like you need root to switch it off :( gksudo, pkexec or Co.? I don't have it installed. Do you need it for some reason? >Ok ... BTW what is rtc? >There was RTIRQ_NAME_LIST="rtc snd usb i8042" >And onemore question here ... >I have also PCIe RME card which I would like to use sometimes ... any >chance to give high priority to it? RTC is for real-time clock, usually completely irrelevant for pro-audio. I've got a PCIe (tower PC, not laptop) RME card, too. [rocketmouse@archlinux ~]$ grep NAME_LIST=\"u /etc/conf.d/rtirq RTIRQ_NAME_LIST="usb snd_hdsp snd_ice1" [rocketmouse@archlinux ~]$ rtirq status | head -7 PID CLS RTPRIO NI PRI %CPU STAT COMMAND 109 FF 90 - 130 0.0 S irq/16-ehci_hcd 110 FF 90 - 130 0.0 S irq/25-xhci_hcd 126 FF 89 - 129 0.0 S irq/23-ehci_hcd 241 FF 85 - 125 0.0 S irq/16-snd_hdsp 242 FF 80 - 120 0.0 S irq/16-snd_ice1 For my old mobo I unbound USB ports sharing the IRQ with audio devices, for my new mobo it's not possible, but the shared IRQ doesn't cause noticeable effects. Usually I do not use the USB device, but the HDSPe. Until now I didn't care that the USB ports are above the HDSPe. >I have only 3x USB ports on my laptop :( it confuse me a bit. >Anyway how can I recognize which one is which? Trial-and-error and feel free to google. I don't know how to get access to all USB ports, for my tower PC I'm using USB slot brackets, https://cdn-reichelt.de/bilder/web/artikel_ws/C610/AK674.jpg . _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user
