[RPI-B] [HEADS UP] DWC OTG TX path optimisation for 11-current

[Svatopluk Kraus]

On Wed, Jul 29, 2015 at 12:31 PM, Hans Petter Selasky <hps at 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 at 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