<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">2017-08-18 0:36 GMT+02:00 Ralf Mardorf <span dir="ltr"><<a href="mailto:ralf.mardorf@alice-dsl.net" target="_blank">ralf.mardorf@alice-dsl.net</a>></span>:<br><br></div><div class="gmail_quote">Hi Ralf,<br></div><div class="gmail_quote"><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
is it a 1st Gen or 2nd Gen?<br></blockquote><div><br></div><div>2nd gen<br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
I've got a 18i20 2nd Gen, -n 2 -p 128 works with my outdated Athlon<br>
and now with my Celeron without issues. IOW even my new machine hasn't<br>
got much horsepower.<br>
<br>
If irqbalance should be enabled, disable it.</blockquote><div><br></div><div>irqbalance should be disabled?<br></div><div><br> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> Did you already test<br>
different USB ports?<br></blockquote><div><br></div><div>Yes I tried ... seems to be very similar on all USB ports <br></div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
What's the output of<br>
<br>
/path/to/rtirq status<br>
<br>
What kernel are you using?<br>
<br>
uname -a<br></blockquote><div><br></div><div>Actually I am playing with two different kernels which seems to be fine for RT task and are available from repositories.<br></div><div>I don't want to spend time to build my own kernels ...<br></div><div>I have different output for rtirq status with kernel as one is only PREEMPT not RT<br></div><div>Seems to be that rtirq need RT kernel to work fully.<br><br></div><div>Anyway I am getting same performance with both kernels.<br></div><div><br>4.12.0-8.1-liquorix-amd64 #1 ZEN SMP PREEMPT liquorix 4.12-1 (2017-08-17) x86_64 GNU/Linux<br><br> /etc/init.d/rtirq status<br><br> PID CLS RTPRIO NI PRI %CPU STAT COMMAND <br> 654 FF 80 - 120 0.0 S irq/18-mmc0 <br> 58 FF 50 - 90 0.0 S irq/28-mei_me <br> 7 TS - 0 38 0.0 S ksoftirqd/0 <br> 18 TS - 0 38 0.0 S ksoftirqd/1 <br><br>-------------------------------------------------------<br><br>Linux mira-laptop 4.9.33-rt23avl1 #3 SMP PREEMPT RT Sun Jul 2 21:55:59 EDT 2017 x86_64 GNU/Linux<br><br>/etc/init.d/rtirq status<br><br> PID CLS RTPRIO NI PRI %CPU STAT COMMAND <br> 424 FF 90 - 130 0.0 S irq/31-snd_hda_ <br> 425 FF 85 - 125 6.0 S irq/19-ehci_hcd <br> 429 FF 85 - 125 0.1 S irq/16-uhci_hcd <br> 421 FF 84 - 124 0.0 S irq/23-ehci_hcd <br> 431 FF 84 - 124 0.0 S irq/17-uhci_hcd <br> 432 FF 83 - 123 0.0 S irq/18-uhci_hcd <br> 420 FF 82 - 122 0.0 S irq/20-uhci_hcd <br> 423 FF 81 - 121 0.0 S irq/21-uhci_hcd <br> 66 FF 80 - 120 0.0 S irq/1-i8042 <br> 428 FF 80 - 120 0.0 S irq/22-uhci_hcd <br> 65 FF 79 - 119 0.0 S irq/12-i8042 <br> 39 FF 50 - 90 0.0 S irq/9-acpi <br> 57 FF 50 - 90 0.0 S irq/24-PCIe PME <br> 58 FF 50 - 90 0.0 S irq/25-PCIe PME <br> 59 FF 50 - 90 0.0 S irq/26-PCIe PME <br> 60 FF 50 - 90 0.0 S irq/27-PCIe PME <br> 61 FF 50 - 90 0.0 S irq/24-pciehp <br> 62 FF 50 - 90 0.0 S irq/25-pciehp <br> 63 FF 50 - 90 0.0 S irq/26-pciehp <br> 64 FF 50 - 90 0.0 S irq/27-pciehp <br> 67 FF 50 - 90 0.0 S irq/8-rtc0 <br> 105 FF 50 - 90 0.5 S irq/14-ata_piix <br> 106 FF 50 - 90 0.0 S irq/15-ata_piix <br> 408 FF 50 - 90 0.0 S irq/28-mei_me <br> 409 FF 50 - 90 0.0 S irq/29-i915 <br> 418 FF 50 - 90 0.0 S irq/17-rtl_pci <br> 419 FF 50 - 90 0.0 S irq/16-yenta <br> 436 FF 50 - 90 0.0 S irq/23-i801_smb <br> 610 FF 50 - 90 0.0 S irq/17-firewire <br> 635 FF 50 - 90 0.0 S irq/18-mmc0 <br> 640 FF 50 - 90 0.0 S irq/18-r592 <br> 642 FF 50 - 90 0.0 S irq/18-r852 <br> 1061 FF 50 - 90 0.0 S irq/30-eth0 <br> 636 FF 49 - 89 0.0 S irq/18-s-mmc0 <br> 3 TS - 0 19 0.1 S ksoftirqd/0 <br> 22 TS - 0 19 0.1 S ksoftirqd/1 <br><br></div><div>Let me know if sth could be tweaked.<br><br></div><div>best regards<br><br></div><div>mira <br> </div></div><br></div></div>