Re: [RFC PATCH 0/2] ARM: Remove any correlation between IPC and BogoMipsvalue

From: Christopher Covington
Date: Mon May 06 2013 - 14:01:28 EST


Hi Will,

On 05/03/2013 01:35 PM, Will Deacon wrote:
> Hi all,
>
> This small patch set may look a little over a month late, but there is a
> serious reason for posting it.
>
> When I moved the ARM delay loop over to using the architected timers
> rather than the CPU spinning loop (which has all the problems associated
> with cpu frequency scaling and what-not) I thought I was doing something
> useful for the port. However, it turns out that a surprising number of
> people have complained, and continue to complain, about the drop in
> their `BogoMIPs score'.

Have you considered adding the old code back in, but in a form that's not at
all referenced by the delay loop code and just calculates CPU-based bogomips?

Regards,
Christopher

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