Re: [PATCH] sysrq show-all-cpus

[Jon Masters]

On Mon, 2008-03-10 at 14:03 -0400, Rik van Riel wrote:
> SysRQ-P is not always useful on SMP systems, since it usually ends up showing the
> backtrace of a CPU that is doing just fine, instead of the backtrace of the CPU
> that is having problems.
> 
> This patch adds SysRQ show-all-cpus(L), which shows the backtrace of every active
> CPU in the system.  It skips idle CPUs because some SMP systems are just too large
> and we already know what the backtrace of the idle task looks like.
>  
> Signed-off-by: Rik van Riel <riel@xxxxxxxxxx>

Why not have it just print the local CPU on non-SMP anyway?

Jon.


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