Re: usb/161793: poor EHCI usb2 i/o performance
Synopsis: poor EHCI usb2 i/o performance State-Changed-From-To: open-feedback State-Changed-By: remko State-Changed-When: Wed Feb 29 21:51:40 UTC 2012 State-Changed-Why: note that feedbak had been requested http://www.freebsd.org/cgi/query-pr.cgi?pr=161793 ___ freebsd-usb@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to freebsd-usb-unsubscr...@freebsd.org
Re: usb/161793: poor EHCI usb2 i/o performance
The following reply was made to PR usb/161793; it has been noted by GNATS. From: Hans Petter Selasky hsela...@c2i.net To: freebsd-usb@freebsd.org Cc: Chargen char...@gmail.com, freebsd-gnats-sub...@freebsd.org Subject: Re: usb/161793: poor EHCI usb2 i/o performance Date: Wed, 19 Oct 2011 07:55:50 +0200 Hello, When testing and formatting, it is important to set the block size to 65536 bytes to get the maximum performance. The default blocksize of dd is 512 bytes, and there is no read-ahead! Try again using: dd if=/dev/daX of=/dev/null bs=65536. Thank you, --HPS On Wednesday 19 October 2011 05:41:16 Chargen wrote: Number: 161793 Category: usb Synopsis: poor EHCI usb2 i/o performance 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: Wed Oct 19 03:50:03 UTC 2011 Closed-Date: Last-Modified: Originator: Chargen Release:10.0-CURRENT Organization: Environment: FreeBSD schwarzesonne 10.0-CURRENT FreeBSD 10.0-CURRENT #0: Tue Oct 18 21:40:49 CEST 2011 chargen@schwarzesonne:/usr/src/sys/i386/compile/SCHWARZESONNE i386 Description: I did some OHCI/EHCI usb1/2 subsystem performance checks on CURRENT with 1 older generation 1gb USB memory stick and a newer 2GB USB memory stick. EHCI, usb2 UFS or MSDOSFS formatted gives about the same performance in FreeBSD, ~3MB/s and about 8~10 MB/s under Windows operating systems using the same hardware. schwarzesonne# usbconfig dump_info | grep 480 ugen2.1: EHCI root HUB NEC at usbus2, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE schwarzesonne# dmesg | grep usbus2 usbus2: EHCI version 1.0 usbus2: NEC uPD 720100 USB 2.0 controller on ehci0 usbus2: 480Mbps High Speed USB v2.0 ugen2.1: NEC at usbus2 uhub2: NEC EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1 on usbus2 ugen2.2: Generic at usbus2 umass0: Generic Mass Storage, class 0/0, rev 2.00/1.41, addr 2 on usbus2 schwarzesonne# mount /dev/da0p2 on / (ufs, local, noatime, journaled soft-updates) devfs on /dev (devfs, local) schwarzesonne# dmesg | grep da1 da1 at umass-sim0 bus 0 scbus4 target 0 lun 0 da1: A60C0705 Flash Disk 8.07 Removable Direct Access SCSI-2 device da1: 40.000MB/s transfers da1: 999MB (2047998 512 byte sectors: 64H 32S/T 999C) schwarzesonne# time dd if=/dev/zero of=/dev/da1 count=2 2+0 records in 2+0 records out 1024 bytes transferred in 0.003543 secs (289029 bytes/sec) 0.000u 0.002s 0:00.02 0.0% 0+0k 0+2io 0pf+0w schwarzesonne# ls -alrt /dev/da1* crw-r- 1 root operator 0x55 Oct 19 03:01 /dev/da1 crw-r- 1 root operator 0x62 Oct 19 03:01 /dev/da1s1 crw-r- 1 root operator 0x72 Oct 19 03:02 /dev/da1s1a schwarzesonne# fdisk -vBI /dev/da1 *** Working on device /dev/da1 *** fdisk: invalid fdisk partition table found parameters extracted from in-core disklabel are: cylinders=999 heads=64 sectors/track=32 (2048 blks/cyl) parameters to be used for BIOS calculations are: cylinders=999 heads=64 sectors/track=32 (2048 blks/cyl) Information from DOS bootblock is: 1: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) start 32, size 2045920 (998 Meg), flag 80 (active) beg: cyl 0/ head 1/ sector 1; end: cyl 998/ head 63/ sector 32 2: UNUSED 3: UNUSED 4: UNUSED fdisk: Class not found schwarzesonne# bsdlabel -w da1s1 schwarzesonne# time newfs -O 1 /dev/da1s1a /dev/da1s1a: 999.0MB (2045904 sectors) block size 32768, fragment size 4096 using 4 cylinder groups of 249.75MB, 7992 blks, 16128 inodes. super-block backups (for fsck -b #) at: 64, 511552, 1023040, 1534528 0.005u 0.015s 0:06.25 0.1% 128+15616k 6+260io 0pf+0w schwarzesonne# mkdir /mnt/usb schwarzesonne# mount -v /dev/da1s1a /mnt/usb/ /dev/da1s1a on /mnt (ufs, local, fsid 66279e4eff2fa382) schwarzesonne# time dd if=/dev/zero bs=1m count=500 /mnt/usb/500mb 500+0 records in 500+0 records out 524288000 bytes transferred in 106.844333 secs (4907027 bytes/sec) 0.007u 1.813s 1:46.85 1.6% 28+5603k 5+4006io 0pf+0w : rebooted to flush caches and track read performance schwarzesonne# reboot schwarzesonne# mount /dev/da1s1a /mnt/usb schwarzesonne# time cp /mnt/usb/500mb /root/. 0.000u 2.665s 0:44.18 6.0% 21+5364k 4007+4000io 0pf+0w :: EHCI, 2gb stick, usb2 performance, same procedure, rebooted and used :: newfs Oct 19 04:15:53 schwarzesonne kernel: da1 at umass-sim0 bus 0 scbus4 target 0 lun 0 Oct 19 04:15:53 schwarzesonne kernel: da1: CBM Flash Disk 5.00 Removable Direct Access SCSI-2 device Oct 19 04:15:53 schwarzesonne kernel: da1: 40.000MB/s transfers Oct 19 04:15:53 schwarzesonne kernel: da1: 2024MB (4145664 512 byte sectors: 255H 63S/T 258C) ugen2.2: Flash Disk CBM
Re: usb/161793: poor EHCI usb2 i/o performance
On Wed Oct 19 11, Hans Petter Selasky wrote: The following reply was made to PR usb/161793; it has been noted by GNATS. From: Hans Petter Selasky hsela...@c2i.net To: freebsd-usb@freebsd.org Cc: Chargen char...@gmail.com, freebsd-gnats-sub...@freebsd.org Subject: Re: usb/161793: poor EHCI usb2 i/o performance Date: Wed, 19 Oct 2011 07:55:50 +0200 Hello, When testing and formatting, it is important to set the block size to 65536 bytes to get the maximum performance. The default blocksize of dd is 512 bytes, and there is no read-ahead! Try again using: dd if=/dev/daX of=/dev/null bs=65536. results here are: otaku% dd if=/dev/da0 of=/dev/null bs=65536 30495+1 records in 30495+1 records out 1998585344 bytes transferred in 159.388494 secs (12539082 bytes/sec) otaku% dd if=/dev/da0 of=/dev/null bs=65536 238033+1 records in 238033+1 records out 15599771136 bytes transferred in 655.616437 secs (23794051 bytes/sec) testing an old usb stick and a fairly recent one. that's with usb2 and running HEAD. the results are incredible imo. my usb controller is Intel 82801I (ICH9) USB 2.0 controller cheers. alex Thank you, --HPS On Wednesday 19 October 2011 05:41:16 Chargen wrote: Number: 161793 Category: usb Synopsis: poor EHCI usb2 i/o performance 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: Wed Oct 19 03:50:03 UTC 2011 Closed-Date: Last-Modified: Originator: Chargen Release:10.0-CURRENT Organization: Environment: FreeBSD schwarzesonne 10.0-CURRENT FreeBSD 10.0-CURRENT #0: Tue Oct 18 21:40:49 CEST 2011 chargen@schwarzesonne:/usr/src/sys/i386/compile/SCHWARZESONNE i386 Description: I did some OHCI/EHCI usb1/2 subsystem performance checks on CURRENT with 1 older generation 1gb USB memory stick and a newer 2GB USB memory stick. EHCI, usb2 UFS or MSDOSFS formatted gives about the same performance in FreeBSD, ~3MB/s and about 8~10 MB/s under Windows operating systems using the same hardware. schwarzesonne# usbconfig dump_info | grep 480 ugen2.1: EHCI root HUB NEC at usbus2, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE schwarzesonne# dmesg | grep usbus2 usbus2: EHCI version 1.0 usbus2: NEC uPD 720100 USB 2.0 controller on ehci0 usbus2: 480Mbps High Speed USB v2.0 ugen2.1: NEC at usbus2 uhub2: NEC EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1 on usbus2 ugen2.2: Generic at usbus2 umass0: Generic Mass Storage, class 0/0, rev 2.00/1.41, addr 2 on usbus2 schwarzesonne# mount /dev/da0p2 on / (ufs, local, noatime, journaled soft-updates) devfs on /dev (devfs, local) schwarzesonne# dmesg | grep da1 da1 at umass-sim0 bus 0 scbus4 target 0 lun 0 da1: A60C0705 Flash Disk 8.07 Removable Direct Access SCSI-2 device da1: 40.000MB/s transfers da1: 999MB (2047998 512 byte sectors: 64H 32S/T 999C) schwarzesonne# time dd if=/dev/zero of=/dev/da1 count=2 2+0 records in 2+0 records out 1024 bytes transferred in 0.003543 secs (289029 bytes/sec) 0.000u 0.002s 0:00.02 0.0% 0+0k 0+2io 0pf+0w schwarzesonne# ls -alrt /dev/da1* crw-r- 1 root operator 0x55 Oct 19 03:01 /dev/da1 crw-r- 1 root operator 0x62 Oct 19 03:01 /dev/da1s1 crw-r- 1 root operator 0x72 Oct 19 03:02 /dev/da1s1a schwarzesonne# fdisk -vBI /dev/da1 *** Working on device /dev/da1 *** fdisk: invalid fdisk partition table found parameters extracted from in-core disklabel are: cylinders=999 heads=64 sectors/track=32 (2048 blks/cyl) parameters to be used for BIOS calculations are: cylinders=999 heads=64 sectors/track=32 (2048 blks/cyl) Information from DOS bootblock is: 1: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) start 32, size 2045920 (998 Meg), flag 80 (active) beg: cyl 0/ head 1/ sector 1; end: cyl 998/ head 63/ sector 32 2: UNUSED 3: UNUSED 4: UNUSED fdisk: Class not found schwarzesonne# bsdlabel -w da1s1 schwarzesonne# time newfs -O 1 /dev/da1s1a /dev/da1s1a: 999.0MB (2045904 sectors) block size 32768, fragment size 4096 using 4 cylinder groups of 249.75MB, 7992 blks, 16128 inodes. super-block backups (for fsck -b #) at: 64, 511552, 1023040, 1534528 0.005u 0.015s 0:06.25 0.1% 128+15616k 6+260io 0pf+0w schwarzesonne# mkdir /mnt/usb schwarzesonne# mount -v /dev/da1s1a /mnt/usb/ /dev/da1s1a on /mnt (ufs, local, fsid 66279e4eff2fa382) schwarzesonne# time dd if=/dev/zero bs=1m count=500 /mnt/usb/500mb 500+0 records in 500+0 records out 524288000 bytes transferred in 106.844333 secs (4907027 bytes/sec) 0.007u 1.813s 1:46.85 1.6% 28+5603k 5+4006io 0pf+0w : rebooted to flush
usb/161793: poor EHCI usb2 i/o performance
Number: 161793 Category: usb Synopsis: poor EHCI usb2 i/o performance 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: Wed Oct 19 03:50:03 UTC 2011 Closed-Date: Last-Modified: Originator: Chargen Release:10.0-CURRENT Organization: Environment: FreeBSD schwarzesonne 10.0-CURRENT FreeBSD 10.0-CURRENT #0: Tue Oct 18 21:40:49 CEST 2011 chargen@schwarzesonne:/usr/src/sys/i386/compile/SCHWARZESONNE i386 Description: I did some OHCI/EHCI usb1/2 subsystem performance checks on CURRENT with 1 older generation 1gb USB memory stick and a newer 2GB USB memory stick. EHCI, usb2 UFS or MSDOSFS formatted gives about the same performance in FreeBSD, ~3MB/s and about 8~10 MB/s under Windows operating systems using the same hardware. schwarzesonne# usbconfig dump_info | grep 480 ugen2.1: EHCI root HUB NEC at usbus2, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE schwarzesonne# dmesg | grep usbus2 usbus2: EHCI version 1.0 usbus2: NEC uPD 720100 USB 2.0 controller on ehci0 usbus2: 480Mbps High Speed USB v2.0 ugen2.1: NEC at usbus2 uhub2: NEC EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1 on usbus2 ugen2.2: Generic at usbus2 umass0: Generic Mass Storage, class 0/0, rev 2.00/1.41, addr 2 on usbus2 schwarzesonne# mount /dev/da0p2 on / (ufs, local, noatime, journaled soft-updates) devfs on /dev (devfs, local) schwarzesonne# dmesg | grep da1 da1 at umass-sim0 bus 0 scbus4 target 0 lun 0 da1: A60C0705 Flash Disk 8.07 Removable Direct Access SCSI-2 device da1: 40.000MB/s transfers da1: 999MB (2047998 512 byte sectors: 64H 32S/T 999C) schwarzesonne# time dd if=/dev/zero of=/dev/da1 count=2 2+0 records in 2+0 records out 1024 bytes transferred in 0.003543 secs (289029 bytes/sec) 0.000u 0.002s 0:00.02 0.0% 0+0k 0+2io 0pf+0w schwarzesonne# ls -alrt /dev/da1* crw-r- 1 root operator 0x55 Oct 19 03:01 /dev/da1 crw-r- 1 root operator 0x62 Oct 19 03:01 /dev/da1s1 crw-r- 1 root operator 0x72 Oct 19 03:02 /dev/da1s1a schwarzesonne# fdisk -vBI /dev/da1 *** Working on device /dev/da1 *** fdisk: invalid fdisk partition table found parameters extracted from in-core disklabel are: cylinders=999 heads=64 sectors/track=32 (2048 blks/cyl) parameters to be used for BIOS calculations are: cylinders=999 heads=64 sectors/track=32 (2048 blks/cyl) Information from DOS bootblock is: 1: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) start 32, size 2045920 (998 Meg), flag 80 (active) beg: cyl 0/ head 1/ sector 1; end: cyl 998/ head 63/ sector 32 2: UNUSED 3: UNUSED 4: UNUSED fdisk: Class not found schwarzesonne# bsdlabel -w da1s1 schwarzesonne# time newfs -O 1 /dev/da1s1a /dev/da1s1a: 999.0MB (2045904 sectors) block size 32768, fragment size 4096 using 4 cylinder groups of 249.75MB, 7992 blks, 16128 inodes. super-block backups (for fsck -b #) at: 64, 511552, 1023040, 1534528 0.005u 0.015s 0:06.25 0.1% 128+15616k 6+260io 0pf+0w schwarzesonne# mkdir /mnt/usb schwarzesonne# mount -v /dev/da1s1a /mnt/usb/ /dev/da1s1a on /mnt (ufs, local, fsid 66279e4eff2fa382) schwarzesonne# time dd if=/dev/zero bs=1m count=500 /mnt/usb/500mb 500+0 records in 500+0 records out 524288000 bytes transferred in 106.844333 secs (4907027 bytes/sec) 0.007u 1.813s 1:46.85 1.6% 28+5603k 5+4006io 0pf+0w : rebooted to flush caches and track read performance schwarzesonne# reboot schwarzesonne# mount /dev/da1s1a /mnt/usb schwarzesonne# time cp /mnt/usb/500mb /root/. 0.000u 2.665s 0:44.18 6.0% 21+5364k 4007+4000io 0pf+0w :: EHCI, 2gb stick, usb2 performance, same procedure, rebooted and used newfs Oct 19 04:15:53 schwarzesonne kernel: da1 at umass-sim0 bus 0 scbus4 target 0 lun 0 Oct 19 04:15:53 schwarzesonne kernel: da1: CBM Flash Disk 5.00 Removable Direct Access SCSI-2 device Oct 19 04:15:53 schwarzesonne kernel: da1: 40.000MB/s transfers Oct 19 04:15:53 schwarzesonne kernel: da1: 2024MB (4145664 512 byte sectors: 255H 63S/T 258C) ugen2.2: Flash Disk CBM at usbus2, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON schwarzesonne# time newfs -O 1 /dev/da1s1a /dev/da1s1a: 2023.8MB (4144688 sectors) block size 32768, fragment size 4096 using 4 cylinder groups of 505.97MB, 16191 blks, 32512 inodes. super-block backups (for fsck -b #) at: 64, 1036288, 2072512, 3108736 0.027u 0.009s 0:08.75 0.2% 64+7808k 6+516io 0pf+0w schwarzesonne# time dd if=/dev/zero bs=1m count=500 /mnt/usb/500mb 500+0 records in 500+0 records out 524288000 bytes transferred in 173.849854 secs (3015752 bytes/sec) 0.008u 1.812s 2:53.85 1.0% 23+4694k 4+4005io 0pf+0w :: EHCI, 2gb stick, usb2 performance, msdosfs FAT formatted under WindowsXP schwarzesonne# mount -t msdosfs -o -m=644,-M=755 /dev/da1s1 /mnt/usb schwarzesonne# time dd if=/dev/zero bs=1m count=500 /mnt/usb/500mb 500+0 records in 500+0 records out
