On 10/25/2011 02:50 PM, Renato wrote: > Hi, your scripts have some nice tips for performance :) > >> > echo -n "0000:00:13.0" > /sys/bus/pci/drivers/ohci_hcd/unbind > so what does this exactly do? how do I figure out a similar command for > my system? but now that I think of it by usb controller with lowest IRQ > shares it with the video card, so I guess I can't do anything in this > case...? > You can check ID's and their IRQ's of USB2 controllers with for instance: #!/bin/sh # USB2 controller ID and IRQ check for a in $(ls /sys/bus/pci/drivers/ehci_hcd/ | grep 0000) do echo -n ID $a has IRQ: cat /sys/bus/pci/drivers/ehci_hcd/$a/irq done If you want to figure out ID's for USB1 (OHCI) controllers replace 'ehci_hcd' with 'ohci_hcd' (of course you could also create a more sophisticated script). With top or htop you can monitor the different tasklets if you're using a realtime kernel or a >= 2.6.39 kernel with the threadirqs kernel option. > you should consider putting those scripts on some wiki! they're cool > Thanks and will do. > cheers, > renato Best, Jeremy _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user