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Date:      Wed, 29 Jul 2015 12:42:12 +0200
From:      Svatopluk Kraus <onwahe@gmail.com>
To:        Hans Petter Selasky <hps@selasky.org>
Cc:        Jia-Shiun Li <jiashiun@gmail.com>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>
Subject:   Re: [RPI-B] [HEADS UP] DWC OTG TX path optimisation for 11-current
Message-ID:  <CAFHCsPUMaYEwJsaGUFuw9yZi_5bmraSBsOYpRWvSeuebpXBJUA@mail.gmail.com>
In-Reply-To: <55B8AB76.7030603@selasky.org>
References:  <55A7D8CE.4020809@selasky.org> <CAHNYxxMp9jGDbV-5=-cE6daR-O3eN5pdvO1s-=QfX=A9XYqYmA@mail.gmail.com> <55B23276.8090703@selasky.org> <CAHNYxxNc9uB62hHEv1PM9PcsGgUs=zsvNgatqLD0p%2BiiDA3Aiw@mail.gmail.com> <55B73113.2020308@selasky.org> <CAFHCsPVaPZpqXLS7OApa=Xz5VLnLjVpV5dYV8Pn2uHh1Lcz7Tg@mail.gmail.com> <55B8AB76.7030603@selasky.org>

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On Wed, Jul 29, 2015 at 12:31 PM, Hans Petter Selasky <hps@selasky.org> wrote:
> On 07/29/15 12:08, Svatopluk Kraus wrote:
>>
>> On Tue, Jul 28, 2015 at 9:36 AM, Hans Petter Selasky <hps@selasky.org>
>> wrote:
>>>
>>> Hi,
>>>
>>> Can you test this:
>>>
>>> https://svnweb.freebsd.org/changeset/base/285935
>>>
>>
>> I'm hunting some strange behaviour slowdowning my set RPI2 - usb3 hub
>> - usb3 disk during buildworld, but I have noticed the following:
>>
>> make -j6 buildworld
>>
>> before r285935 -> 60145.29 real    350932.67 user     36402.54 sys
>> after r285935 -> 67831.38 real    196310.43 user     19135.73 sys
>>
>> The kernel before r285935 was day or two older.
>>
>> These are just one-run times, however the difference is quite big. The
>> change r285935 could influence the thing I'm investigating so it's
>> worse now, but still ...
>>
>
> Regarding build times you should also take "r285068" into account.
>

Yes, I know about that. The r285068 was applied in both kernels.

Svata



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