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SubjectRe: [PATCH 1/8] SGI x86_64 UV: Add limit console output function


Steven Rostedt wrote:
> On Mon, 2009-10-26 at 08:02 +0100, Andi Kleen wrote:
>
>> Also more work could be done to make CPU boot up less verbose without
>> sacrifying debuggability if something goes wrong.
>
> What about moving printks over to trace_printk or something. And that
> way we can have a "boot up" ring buffer that can later be retrieved if
> something goes wrong. It already dumps to the console on panic/oops.
>
> The trace_printk will be hidden and is very fast.
>
> -- Steve
>

I haven't heard of "trace_printk" but how does this differ from the
existing kernel log buffer you get with 'dmesg'?

Thanks,
Mike



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