Date: Tue, 01 Sep 2015 00:42:15 +0200 (CEST) From: Andreas Schwarz <freebsd.asc@strcmp.org> To: Svatopluk Kraus <onwahe@gmail.com> Cc: Hans Petter Selasky <hps@selasky.org>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: DWC OTG TX path optimisation for 11-current Message-ID: <46d8b55830c.48a059ec@mail.schwarzes.net> In-Reply-To: <CAFHCsPVTpnd2RB4d0NvLRf9WniSkBPajJYABoPOuS4NKo%2BZ7PA@mail.gmail.com> 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> <CAFHCsPUMaYEwJsaGUFuw9yZi_5bmraSBsOYpRWvSeuebpXBJUA@mail.gmail.com> <55B8B297.1010008@selasky.org> <CAFHCsPVGLs8j6LAV%2Bg4rP_ueTOd8pUOupYFGvmgC3XGcJC720Q@mail.gmail.com> <20150729154516.GH78154@funkthat.com> <55B8F5EC.2050908@selasky.org> <46ad096c958.1a82a175@mail.schwarzes.net> <55B9C3E2.5040501@selasky.org> <46ae815c7c3.447237c8@mail.schwarzes.net> <46aece00b53.3c1cdc1f@mail.schwarzes.net> <55BB2A5F.9000502@selasky.org> <46baa16c4ce.6efd29ef@mail.schwarzes.net> <55CF31A1.5080205@selasky.org> <46ce372c895.20050775@mail.schwarzes.net> <46d0a4441bb.41f6f91d@mail.schwarzes.net> <55DD5C0A.2050401@selasky.org> <CAFHCsPVTpnd2RB4d0NvLRf9WniSkBPajJYABoPOuS4NKo%2BZ7PA@mail.gmail.com>
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On 28.08.15, Svatopluk Kraus wrote: > My subjective observation is that the slow system response can be > caused by slow wake up from idle state. I have tried to change > scheduler from ULE to BSD one with no MII warning and everything is > okay result. And buildword was about one hour faster. Note that the > trigger is very sensitive, so it can be just because system timing and > many other things are different with different scheduler. I've tried the 4BSD scheduler too, amazing, faster and surely prevents to run into the known problem. I've just started a buildworld loop, will try to reach 10 rounds. -asc
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