Date: Tue, 18 Aug 2015 15:34:33 +0200 From: Svatopluk Kraus <onwahe@gmail.com> To: Hans Petter Selasky <hps@selasky.org> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: DWC OTG TX path optimisation for 11-current Message-ID: <CAFHCsPW6A8rdGqmpk9VjfABoH9iubr_vOjW4rw6GKVtbo6_nmA@mail.gmail.com> In-Reply-To: <55D331D7.9080702@selasky.org> References: <55A7D8CE.4020809@selasky.org> <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> <CAFHCsPUKwNLkeSPSHHUs=vwFFAnBd_9HRPxaS6tEC0cR3y_C6Q@mail.gmail.com> <55D31D11.3050509@selasky.org> <CAFHCsPXbBSpkDtggN%2BiBm=vpYwOTpi7nH=Z0G4RiyvoVXuw7_g@mail.gmail.com> <55D32912.1070707@selasky.org> <CAFHCsPU=OtdS9XCcbRQwEsymsjTq6aEtnNbDYOmS7DzHaKv7sA@mail.gmail.com> <55D331D7.9080702@selasky.org>
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On Tue, Aug 18, 2015 at 3:23 PM, Hans Petter Selasky <hps@selasky.org> wrote: > On 08/18/15 15:12, Svatopluk Kraus wrote: >> >> On Tue, Aug 18, 2015 at 2:46 PM, Hans Petter Selasky <hps@selasky.org> >> wrote: >>> >>> On 08/18/15 14:31, Svatopluk Kraus wrote: >>>> >>>> >>>> On Tue, Aug 18, 2015 at 1:54 PM, Hans Petter Selasky <hps@selasky.org> >>>> wrote: >>>>> >>>>> >>>>> Hi, >>>>> >>>>> On 08/18/15 13:22, Svatopluk Kraus wrote: >>>>>> >>>>>> >>>>>> >>>>>> Do I understand it well that you are not able to trigger the problem? >>>>> >>>>> >>>>> >>>>> >>>>> Maybe I haven't been trying hard enough. I've been using a kernel built >>>>> from >>>>> "projects/hps_head" which I just updated to include the latest DWC OTG >>>>> patches, instead of "head". There was today a timer subsystem fix, not >>>>> sure >>>>> if it makes any difference: >>>>> >>>>> https://svnweb.freebsd.org/changeset/base/286880 >>>>> >>>>> I will try to buildworld from an external USB disk later today and see >>>>> what >>>>> happens. >>>>> >>>>>> >>>>>> and still the system response time is terrible. >>>>> >>>>> >>>>> >>>>> >>>>> If you can do: >>>>> >>>>> usbconfig -d 0.1 set_config 255 >>>>> >>>>> And verify that the IRQ rate goes to zero for DWC OTG, then we maybe >>>>> could >>>>> rule out USB. >>>>> >>>> >>>> Note that my root filesystem was on usb disk. >>>> >>> >>> Is the console still not responding properly after this command? >>> >> >> System response time is still bad. >> > > Is "kgdb" working on your setup? Can you dump all kernel threads? db> ps pid ppid pgrp uid state wmesg wchan cmd 22873 1 22873 0 Ss+ ttyin 0xd1822e70 getty 684 683 684 0 R+ csh 683 1 683 0 SWs+ wait 0xd2295380 login 369 1 369 0 Ss select 0xd206a9a4 devd 22 0 0 0 DL vlruwt 0xd1fc0380 [vnlru] 21 0 0 0 DL syncer 0xc07ad3f0 [syncer] 20 0 0 0 DL (threaded) [bufdaemon] 100061 D psleep 0xc07ad190 [bufdaemon] 100073 D sdflush 0xd20ec284 [/ worker] 19 0 0 0 DL pgzero 0xc07b24d8 [pagezero] 18 0 0 0 DL psleep 0xc07b23c0 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100058 D psleep 0xc07c86c4 [pagedaemon] 100064 D umarcl 0xc07b22d4 [uma] 16 0 0 0 SL data_cv 0xd18341a0 [bcm2835_audio_worke] 15 0 0 0 SL VCHI com 0xd1a0e20c [VCHIQka-0] 14 0 0 0 DL jobqueue 0xd19fb980 [mmcsd0: mmc/sd card] 9 0 0 0 DL waiting_ 0xc07c4aac [sctp_iterator] 13 0 0 0 DL (threaded) [usb] 100047 D - 0xd1a3302c [usbus0] 100048 D - 0xd1a3305c [usbus0] 100049 D - 0xd1a3308c [usbus0] 100050 D - 0xd1a330bc [usbus0] 100051 D - 0xd1a330ec [usbus0] 8 0 0 0 SL sema cv 0xc07d0848 [VCHIQs-0] 7 0 0 0 SL sema cv 0xc07d0824 [VCHIQr-0] 6 0 0 0 SL sema cv 0xc07d0800 [VCHIQ-0] 5 0 0 0 DL (threaded) [cam] 100024 D - 0xc07120c0 [doneq0] 100054 D - 0xc07122ac [scanner] 4 0 0 0 DL crypto_r 0xc07b1970 [crypto returns] 3 0 0 0 DL crypto_w 0xc07b1960 [crypto] 12 0 0 0 DL (threaded) [geom] 100013 D - 0xc07b50e8 [g_event] 100014 D - 0xc07b50ec [g_up] 100015 D - 0xc07b50f0 [g_down] 11 0 0 0 RL (threaded) [intr] 100007 I [swi1: netisr 0] 100008 I [swi3: vm] 100009 RunQ [swi4: clock (0)] 100010 I [swi4: clock (1)] 100011 I [swi4: clock (2)] 100012 I [swi4: clock (3)] 100019 I [swi6: task queue] 100020 I [swi6: Giant taskq] 100023 I [swi5: fast taskq] 100025 I [intr61: iichb0+] 100026 I [intr62: spi0] 100027 I [intr24: bcm_dma0] 100028 I [intr25: bcm_dma0] 100029 I [intr26: bcm_dma0] 100030 I [intr27: bcm_dma0] 100031 I [intr28: bcm_dma0] 100032 I [intr29: bcm_dma0] 100033 I [intr30: bcm_dma0] 100034 I [intr31: bcm_dma0] 100035 I [intr32: bcm_dma0] 100036 I [intr33: bcm_dma0] 100037 I [intr34: bcm_dma0] 100038 I [intr35: bcm_dma0] 100039 I [intr1: mbox0] 100040 I [intr70: sdhci_bcm0] 100041 I [swi0: uart] 100042 I [intr2: vchiq0] 100046 I [intr17: +] 10 0 0 0 RL (threaded) [idle] 100003 Run CPU 0 [idle: cpu0] 100004 Run CPU 1 [idle: cpu1] 100005 Run CPU 2 [idle: cpu2] 100006 Run CPU 3 [idle: cpu3] 2 0 0 0 RL [rand_harvestq] 1 0 1 0 SLs wait 0xd1959000 [init] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xc07b5108 [swapper] 100018 D - 0xd19fb480 [kqueue taskq] 100021 D - 0xd19fb300 [ffs_trim taskq] 100022 D - 0xd19fb280 [thread taskq] 100053 D - 0xd19fb080 [CAM taskq] db>
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