Re: [PATCH] Instrumenting high latency

[William Lee Irwin III]

Con Kolivas <kernel@xxxxxxxxxxx> wrote:
>> The patch appears to require CONFIG_PREEMPT enabled on uniprocessor and is 
>> i386 only at the moment.

On Sun, Jul 11, 2004 at 11:37:50PM -0700, Andrew Morton wrote:
> Not sure what you mean by "on uniprocessor"?  AFAICT the patch will work
> as-is on uniprocessor and on SMP.  Looks like it'll work with
> CONFIG_PREEMPT=n, too, although that would be a slightly bizarre thing to
> do.
> +				print_symbol("%s\n",
> +					__get_cpu_var(preempt_exit));
> I'll change this to
> 				print_symbol("%s",
> 					__get_cpu_var(preempt_exit));
> 				printk("\n");
> so it doesn't make a mess with CONFIG_KALLSYMS=n.

I'm not 100% sure why UP goes down in flames yet, fscking laptop has no
loggable console. Guess I'd better figure out netconsole or some such.


-- wli
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