linux-kernel - Re: Impact of CONFIG_PARAVIRT=y / mmap benchmark

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Message-ID: <f621477a-a2c9-e7ca-1190-1b439b0e417a@infradead.org>
Date:   Fri, 31 Mar 2017 10:02:12 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Radu Rendec <rrendec@...sta.com>
Cc:     Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: Impact of CONFIG_PARAVIRT=y / mmap benchmark

On 03/31/17 03:03, Radu Rendec wrote:
> On Wed, 2017-03-29 at 20:05 +0200, Ingo Molnar wrote:
>> * Randy Dunlap <rdunlap@...radead.org> wrote:
>>
>>> On 03/28/17 10:17, Radu Rendec wrote:
>>>> Does anyone still have a copy of Ingo Molnar's mmap-perf.c
>>>> program (the
>>>> old link is broken)? Would it still be relevant to use it for
>>>> measuring
>>>> performance in case of PARAVIRT?
>>>>
>>> I have mmap-perf.c that says:
>>> /* Copyright Ingo Molnar (c) 2006 */
>>>
>>> and no license info...
>>> Ingo?
>>
>> It's GPL v2, like the kernel.
>>
> 
> Randy, now that Ingo has clarified the license of that code, can you
> please share it?
> 
> Thank you both for the feedback!

Sure, it's attached.
Sorry for the delay.


-- 
~Randy

View attachment "mmap-perf.c" of type "text/x-csrc" (7024 bytes)