09-03-2018, 01:40 AM | #1 |
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Where do I set threadirq flag?
Hi,
I see this mention, but it ain't telling me where to set it. I have lowlatency kernel installed so I wanna try it. The lowlatency kernel might need the threadirqs boot flag.
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09-03-2018, 02:47 AM | #2 |
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It's a kernel boot parameter, so would be set in the config file for your boot manager. Or if you have the possibility to change the boot parameters at boot time you can just add threadirqs when you boot.
If you have /proc/config.gz you can check how your kernel is configured. If zgrep CONFIG_IRQ_FORCED_THREADING /proc/config.gz is 'y' then you don't need it, and if 'n' then you do. Alternatively if ps aux | grep irq returns a lot of threads then you don't need it.
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09-03-2018, 03:20 AM | #3 |
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Thank you
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09-03-2018, 01:04 PM | #4 | |
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Quote:
Code:
root@homestudio:/home/tobbe# ps aux | grep irq root 1 0.1 0.0 204844 7088 ? Ss 15:51 0:01 /sbin/init threadirqs root 7 0.0 0.0 0 0 ? S 15:51 0:00 [ksoftirqd/0] root 24 0.0 0.0 0 0 ? S 15:51 0:00 [ksoftirqd/1] root 33 0.0 0.0 0 0 ? S 15:51 0:00 [ksoftirqd/2] root 42 0.0 0.0 0 0 ? S 15:51 0:00 [ksoftirqd/3] root 59 0.0 0.0 0 0 ? S 15:51 0:00 [irq/9-acpi] root 80 0.0 0.0 0 0 ? S 15:51 0:00 [irq/120-aerdrv] root 81 0.0 0.0 0 0 ? S 15:51 0:00 [irq/121-aerdrv] root 82 0.0 0.0 0 0 ? S 15:51 0:00 [irq/1-i8042] root 83 0.0 0.0 0 0 ? S 15:51 0:00 [irq/8-rtc0] root 136 0.0 0.0 0 0 ? S 15:51 0:00 [irq/16-i801_smb] root 139 1.3 0.0 0 0 ? S 15:51 0:08 [irq/123-xhci_hc] root 140 0.1 0.0 0 0 ? S 15:51 0:00 [irq/124-ahci[00] root 281 0.0 0.0 0 0 ? S 15:51 0:00 [irq/125-mei_me] root 287 0.1 0.0 0 0 ? S 15:51 0:01 [irq/126-i915] root 297 0.3 0.0 0 0 ? S 15:51 0:02 [irq/127-iwlwifi] root 298 0.7 0.0 0 0 ? S 15:51 0:04 [irq/127-s-iwlwi] root 352 0.0 0.0 0 0 ? S 15:51 0:00 [irq/128-snd_hda] root 902 0.0 0.0 0 0 ? S 15:51 0:00 [irq/122-enp2s0] root 5596 0.0 0.0 12788 952 pts/1 S+ 16:02 0:00 grep irq
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09-03-2018, 01:11 PM | #5 |
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Yes, that's what you want to see. irq/128-snd_hda is your onboard soundcard, and irq/123-xhci_hc the usb root hub.
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