linux-kernel - Re: [PATCH 0/4] irq: change irq_desc and kstat_irq

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Message-ID: <49694915.7020605@sgi.com>
Date:	Sat, 10 Jan 2009 17:19:17 -0800
From:	Mike Travis <travis@....com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Ingo Molnar <mingo@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Yinghai Lu <yinghai@...nel.org>,
	Jack Steiner <steiner@....com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] irq: change irq_desc and kstat_irq_legacy to	variable
 sized arrays

Ingo Molnar wrote:
> * Mike Travis <travis@....com> wrote:
> 
>> Here's my latest stats:
>>
>> ====== Text/Data ()
>>
>>     1 - 128-defconfig
>>     2 - 4k-defconfig
> 
> 
> small nit, shouldnt this:
>>       .1.       .2.    ..final..
> 
> be:
>>       .1.      .2    .delta
> 
> as 'final' is .2 in essence, just in absolute numbers, right? Confusing.
> 
> 
>>   5935104     -6144   5928960 -0.10%  TextSize
>>   3833856    +43008   3876864 +1.12%  DataSize
>>   9734144   -219136   9515008 -2.25%  BssSize
>>   2449408   +790528   3239936   +32%  InitSize
>>   1884160     +6144   1890304 +0.33%  PerCPU
>>    110592   +462848    573440  +418%  OtherSize
> 
> and flip around columns 2 and 3 ? It's the delta that matters, and the 
> percentage figure.
> 
> 	Ingo

Sure thing.  This originally was built for many columns so the net effect
of each was fairly important.  But with only two columns it does make
sense to do a direct comparision.

Thanks,
Mike

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