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DateTue, 17 Nov 2009 18:45:57 -0800
SubjectRe: [PATCH 1/5] x86: Limit the number of processor bootup messages
FromYinghai Lu <>
On Tue, Nov 17, 2009 at 4:22 PM, Mike Travis <travis@sgi.com> wrote:
> When there are a large number of processors in a system, there
> is an excessive amount of messages sent to the system console.
> It's estimated that with 4096 processors in a system, and the
> console baudrate set to 56K, the startup messages will take
> about 84 minutes to clear the serial port.
>
> This set of patches limits the number of repetitious messages
> which contain no additional information.  Much of this information
> is obtainable from the /proc and /sysfs.   Some of the messages
> are also sent to the kernel log buffer as KERN_DEBUG messages so
> dmesg can be used to examine more closely any details specific to
> a problem.
>
> The new cpu bootup sequence for system_state == SYSTEM_BOOTING:
>
> Booting Node   0, Processors  #1 #2 #3 #4 #5 #6 #7 Ok.
> Booting Node   1, Processors  #8 #9 #10 #11 #12 #13 #14 #15 Ok.
> ..
> Booting Node   3, Processors  #56 #57 #58 #59 #60 #61 #62 #63 Ok.
> Brought up 64 CPUs

how about
Booting Node 0, Processors #1/0x01 #2/0x02 #3....
append apic id in hex after the numbering.?
YH
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