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From: Jens Axboe <jaxboe@fusionio.com>
To: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Cc: fio mailing list <fio@vger.kernel.org>
Subject: Re: Build issue on arm: undefined reference to `get_cpu_clock'
Date: Mon, 16 Aug 2010 18:27:52 -0400	[thread overview]
Message-ID: <4C69BB68.9000705@fusionio.com> (raw)
In-Reply-To: <4C693642.3060706@free-electrons.com>

On 08/16/2010 08:59 AM, Michael Opdenacker wrote:
> Hi Jens,
> 
> On 08/15/2010 09:03 PM, Jens Axboe wrote:
>>
>>> Of course using clock_gettime() would be more portable. The
>>> point of the CPU clock is speed. If you are testing IOPS into
>>> the ranges of millions and doing ~5 clock calls per IO, then
>>> portability takes a back seat to speed.
>>>
>>> But arm needs to work of course, I will commit a patch to
>>> fix it as soon as I can.
>>>     
>> Committed such a patch, would be nice if you could test.
>> Either git pull or download fio-1.43-rc1 (or latest snap).
>>   
> Many thanks for the patch!
> 
> I had no problem compiling it on ARM, and I ran it with no problem on an
> example job file:
> 
> [random-writers]
> ioengine=libaio
> iodepth=4
> rw=randwrite
> bs=32k
> direct=0
> size=64m
> numjobs=4
> 
> Now, you may modify the README file to mention that the ARM platform is
> supported too.

Great, thanks for confirming.

-- 
Jens Axboe


      reply	other threads:[~2010-08-16 22:27 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-10 12:11 Build issue on arm: undefined reference to `get_cpu_clock' Michael Opdenacker
2010-08-10 18:04 ` Jens Axboe
2010-08-12  9:04   ` Michael Opdenacker
2010-08-12 11:49     ` Jens Axboe
2010-08-15 19:03       ` Jens Axboe
2010-08-16 12:59         ` Michael Opdenacker
2010-08-16 22:27           ` Jens Axboe [this message]

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