Re: [patch] Latency Tracer, voluntary-preempt-2.6.8-rc4-O6

From: Lee Revell
Date: Thu Aug 19 2004 - 05:54:35 EST


On Tue, 2004-08-17 at 15:18, Theodore Ts'o wrote:
> On Tue, Aug 17, 2004 at 09:48:26AM +0200, Ingo Molnar wrote:
> > there's another thing you could try: various SHA_CODE_SIZE values in
> > drivers/char/random.c. Could you try 1, 2 and 3, does it change the
> > overhead as seen in the trace?
>
> I doubt SHA_CODE_SIZE will make a sufficient difference to avoid the
> latency problems.

Correct, the difference is less than 50%. I will try the patch.

Lee

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