Messages in this thread | | | Date | Mon, 26 Oct 2009 11:05:07 -0700 | From | Mike Travis <> | Subject | Re: [PATCH 1/8] SGI x86_64 UV: Add limit console output function |
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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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