Date: Mon, 1 Oct 2012 08:50:07 GMT From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@FreeBSD.org Subject: Re: usb/172199: high interrupts load xhci Message-ID: <201210010850.q918o7wo097267@freefall.freebsd.org>
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The following reply was made to PR usb/172199; it has been noted by GNATS. From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Cc: Aleksei Reytsman <reytsman@solvex.travel>, freebsd-gnats-submit@freebsd.org Subject: Re: usb/172199: high interrupts load xhci Date: Mon, 1 Oct 2012 10:44:11 +0200 On Monday 01 October 2012 10:15:48 Aleksei Reytsman wrote: > >Number: 172199 > >Category: usb > >Synopsis: high interrupts load xhci > >Confidential: no > >Severity: non-critical > >Priority: low > >Responsible: freebsd-usb > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Mon Oct 01 08:20:03 UTC 2012 > >Closed-Date: > >Last-Modified: > >Originator: Aleksei Reytsman > >Release: 9.0 > > >Organization: > Solvex-Tourne ltd > > >Environment: > # uname -a > FreeBSD servergate 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Wed Mar 28 15:00:36 > MSK 2012 root@servergate:/usr/src/sys/amd64/compile/MYKERNEL amd64 > > >Description: > Hello. > I have a very high interrupts load on my FreeBSD machine. It happens when i > plug any USB device (like a keyboard), and the load is still high after > disconnecting the device. It becomes normal after reboot. My system based > on ASUS P8Z68-V Pro/Gen3 motherboard. > MYKERNEL is the GENERIC kernel with ipfw support. > Sorry for bad English. > Some debug information below: > > # vmstat -i > interrupt total rate > irq16: xhci1 10760525071 17776 > irq23: ehci0 ehci1 1826517 3 > cpu0:timer 619928626 1024 > irq256: em0:rx 0 54277776 89 > irq257: em0:tx 0 42013316 69 > irq258: em0:link 2 0 > irq262: em2:rx 0 541775211 895 > irq263: em2:tx 0 498677204 823 > irq264: em2:link 1 0 > irq265: em3:rx 0 300580772 496 > irq266: em3:tx 0 593156009 979 > irq268: ahci0 5757554 9 > cpu1:timer 123236782 203 > cpu3:timer 100504666 166 > cpu2:timer 58767827 97 > Total 13701027334 22634 > > # systat -vmstat > 1 users Load 0.32 0.51 0.50 Oct 1 11:52 > > Mem:KB REAL VIRTUAL VN PAGER SWAP > PAGER Tot Share Tot Share Free in out in > out Act 1481080 158408 5595688 175752 2913052 count > All 1581028 164260 1079516k 209568 pages > Proc: Interrupts > r p d s w Csw Trp Sys Int Sof Flt cow 173k total > 137 349k 24 122 171k 1055 3 zfod 166k xhci1 > 16 ozfod 3 ehci0 ehci 0.1%Sys 18.0%Intr 0.0%User 0.0%Nice 81.9%Idle > %ozfod 1128 cpu0:timer > > | | | | | | | | | | | daefr 76 em0:rx > | | | | | | | | | | | 0 > > +++++++++ prcfr 72 > em0:tx 0 17 dtbuf 3 totfr em0:link Namei Name-cache > Dir-cache 204931 desvn react 1216 em2:rx 0 Calls hits % > hits % 179871 numvn pdwak 1146 em2:tx 0 353 353 100 > 49693 frevn pdpgs em2:link intrn 933 em3:rx > 0 Disks ada0 ada1 pass0 pass1 731484 wire 1312 > em3:tx 0 KB/t 30.98 30.98 0.00 0.00 1123916 act > 24 ahci0 268 tps 12 12 0 0 3233464 > inact 914 cpu1:timer MB/s 0.35 0.35 0.00 0.00 > 276 cache 139 cpu3:timer %busy 0 0 0 0 > 2912776 free 72 cpu2:timer 837152 buf > # pciconf -lv > hostb0@pci0:0:0:0: class=0x060000 card=0x844d1043 chip=0x01008086 > rev=0x09 hdr=0x00 vendor = 'Intel Corporation' > device = '2nd Generation Core Processor Family DRAM Controller' > class = bridge > subclass = HOST-PCI > - - - - - > xhci0@pci0:4:0:0: class=0x0c0330 card=0x84881043 chip=0x10421b21 > rev=0x00 hdr=0x00 vendor = 'ASMedia Technology Inc.' > device = 'ASM1042 SuperSpeed USB Host Controller' > class = serial bus > subclass = USB > - - - - - > xhci1@pci0:7:0:0: class=0x0c0330 card=0x84881043 chip=0x10421b21 > rev=0x00 hdr=0x00 vendor = 'ASMedia Technology Inc.' > device = 'ASM1042 SuperSpeed USB Host Controller' > class = serial bus > subclass = USB > > >How-To-Repeat: > Plug any USB device. > > >Fix: > > > > > >Release-Note: > >Audit-Trail: > > >Unformatted: Hi, Can you collect some dmesg? sysctl hw.usb.xhci.debug=16 ; sleep 1; sysctl hw.usb.xhci.debug=0 --HPS
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