Re: Kernel tracing options with USB subsystem

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On Thu, Jul 19, 2012 at 10:00:12PM +0530, Balakumar wrote:
> Hello Alan, John,
> 
> I had this question from the embedded perspective. printk on
> occasions seems to have some overhead which actually dilutes the
> issue occurrence frequency. So, just wanted to know if this was not
> included by choice.

What does printk have to do with usbmon?

And note, the USB tracing code was added before there was an in-kernel
tracing infrastructure, so that is why it does not take advantage of it.

Does usbmon somehow not work for you?

thanks,

greg k-h
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