linux-kernel - Re: [RFC PATCH 0/2] ARM: Remove any correlation between IPC and BogoMips value

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Message-ID: <5187EFF3.6010005@codeaurora.org>
Date:	Mon, 06 May 2013 14:01:23 -0400
From:	Christopher Covington <cov@...eaurora.org>
To:	Will Deacon <will.deacon@....com>
CC:	linux-arm-kernel@...ts.infradead.org, marc.zyngier@....com,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/2] ARM: Remove any correlation between IPC and BogoMips
 value

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

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
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