From: Will Deacon <will.deacon@arm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] init: calibrate: don't print out bogomips value on boot
Date: Fri, 11 Oct 2013 11:40:14 +0100 [thread overview]
Message-ID: <20131011104014.GC14732@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <20131010145235.1c6574299bc636cf92190d32@linux-foundation.org>
On Thu, Oct 10, 2013 at 10:52:35PM +0100, Andrew Morton wrote:
> On Wed, 9 Oct 2013 15:57:20 +0100 Will Deacon <will.deacon@arm.com> wrote:
>
> > @@ -295,9 +295,7 @@ void calibrate_delay(void)
> > }
> > per_cpu(cpu_loops_per_jiffy, this_cpu) = lpj;
> > if (!printed)
> > - pr_cont("%lu.%02lu BogoMIPS (lpj=%lu)\n",
> > - lpj/(500000/HZ),
> > - (lpj/(5000/HZ)) % 100, lpj);
> > + pr_cont("lpj=%lu\n", lpj);
> >
> > loops_per_jiffy = lpj;
> > printed = true;
>
> Kidding? BogoMIPS is an industry-standard metric which was established
> before many of us were born. It even has its own wikipedia page!
Crikey, have you looked at that page? ARM is ominously described as `not
enough data (yet)' when discussing its BogoMIPS `rating'. This is all more
food for the marketing machines :(
> You have no heart.
Maybe I should stop worrying and learn to love the BogoMIPS.
Will
prev parent reply other threads:[~2013-10-11 10:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-09 14:57 Will Deacon
2013-10-10 21:52 ` Andrew Morton
2013-10-11 10:40 ` Will Deacon [this message]
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