Date: Fri, 10 Aug 2012 12:06:26 -0400 From: Mike Tancsa <mike@sentex.net> To: John Baldwin <jhb@FreeBSD.org> Cc: Garrett Cooper <yanegomi@gmail.com>, current@FreeBSD.org Subject: Re: [PATCH] Add locking to twe(4) so it no longer uses Giant Message-ID: <50253182.4030702@sentex.net> In-Reply-To: <50251530.2060502@FreeBSD.org> References: <201208031418.57941.jhb@freebsd.org> <201208031726.03652.jhb@freebsd.org> <502121F5.4020705@sentex.net> <201208080727.45595.jhb@freebsd.org> <5022B252.30606@sentex.net> <5023AB9D.5070608@sentex.net> <5023B824.40405@FreeBSD.org> <5023C9A6.9070502@sentex.net> <5023F199.1090201@FreeBSD.org> <50240F5F.6000702@sentex.net> <502425C0.5070303@sentex.net> <50250D48.6020101@FreeBSD.org> <50251226.8020805@sentex.net> <50251530.2060502@FreeBSD.org>
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On 8/10/2012 10:05 AM, John Baldwin wrote: > > 5972 tw_cli CALL > __sysctl(0x7fffffffd798,0x2,0x7fffffffd7a0,0x7fffffffd790,0x7fffffffd960,0x16) > 5972 tw_cli SCTL "sysctl.name2oid" > 5972 tw_cli RET __sysctl -1 errno 2 No such file or directory > 5972 tw_cli CALL unlink(0x7fffffffd9d0) > 5972 tw_cli NAMI "/dev/twe0" > 5972 tw_cli RET unlink 0 > ... > > Oh! I moved the sysctl's for twe out of hw and under the device node. > That seem to have broken tw_cli. I will revert that and generate an > updated patch. > > Try http://www.FreeBSD.org/~jhb/patches/twe_locking2.patch > Looks good! Both the tw_cli and 3dm2 web interface work now. Doing some simple disk tests show everything to be pretty well the same. new driver 0{offsite2}# dd if=/dev/zero of=/mnt/test bs=1024k count=1000 1000+0 records in 1000+0 records out 1048576000 bytes transferred in 14.677410 secs (71441488 bytes/sec) 0{offsite2}# dd if=/mnt/test of=/dev/null bs=1024 1024000+0 records in 1024000+0 records out 1048576000 bytes transferred in 10.325622 secs (101550879 bytes/sec) 0{offsite2}# umount /mnt ; mount /dev/twed0 /mnt 0{offsite2}# dd if=/mnt/test of=/dev/null bs=2048 512000+0 records in 512000+0 records out 1048576000 bytes transferred in 10.347670 secs (101334503 bytes/sec) 0{offsite2}# old driver 0{offsite2}# dd if=/dev/zero of=/mnt/test bs=1024k count=1000 1000+0 records in 1000+0 records out 1048576000 bytes transferred in 14.695589 secs (71353111 bytes/sec) 0{offsite2}# umount /mnt ; mount /dev/twed0 /mnt 0{offsite2}# dd if=/mnt/test of=/dev/null bs=2048 512000+0 records in 512000+0 records out 1048576000 bytes transferred in 10.305835 secs (101745856 bytes/sec) 0{offsite2}# I will do some more stress tests through the day 0{offsite2}# patch -p9 < twe_locking2.patch Hmm... Looks like a unified diff to me... The text leading up to this was: -------------------------- |--- //depot/vendor/freebsd/src/sys/dev/twe/twe.c 2009-12-25 17:35:14.000000000 0000 |+++ //depot/user/jhb/cleanup/sys/dev/twe/twe.c 2012-08-03 04:00:49.000000000 0000 -------------------------- Patching file twe.c using Plan A... Hunk #1 succeeded at 151. Hunk #2 succeeded at 167. Hunk #3 succeeded at 189. Hunk #4 succeeded at 208. Hunk #5 succeeded at 226. Hunk #6 succeeded at 234. Hunk #7 succeeded at 271. Hunk #8 succeeded at 288. Hunk #9 succeeded at 310. Hunk #10 succeeded at 337. Hunk #11 succeeded at 349. Hunk #12 succeeded at 405. Hunk #13 succeeded at 521. Hunk #14 succeeded at 557. Hunk #15 succeeded at 580. Hunk #16 succeeded at 595. Hunk #17 succeeded at 608. Hunk #18 succeeded at 646. Hunk #19 succeeded at 769. Hunk #20 succeeded at 863. Hunk #21 succeeded at 921. Hunk #22 succeeded at 952. Hunk #23 succeeded at 1038. Hunk #24 succeeded at 1051. Hunk #25 succeeded at 1082. Hunk #26 succeeded at 1104. Hunk #27 succeeded at 1140. Hunk #28 succeeded at 1151. Hunk #29 succeeded at 1177. Hunk #30 succeeded at 1206. Hunk #31 succeeded at 1309. Hunk #32 succeeded at 1447. Hunk #33 succeeded at 1469. Hunk #34 succeeded at 1499. Hunk #35 succeeded at 1513. Hunk #36 succeeded at 1531. Hunk #37 succeeded at 1554. Hunk #38 succeeded at 1589. Hunk #39 succeeded at 1618. Hunk #40 succeeded at 1644. Hunk #41 succeeded at 1696. Hunk #42 succeeded at 1778. Hmm... The next patch looks like a unified diff to me... The text leading up to this was: -------------------------- |--- //depot/vendor/freebsd/src/sys/dev/twe/twe_compat.h 2005-05-29 04:45:51.000000000 0000 |+++ //depot/user/jhb/cleanup/sys/dev/twe/twe_compat.h 2012-08-03 03:58:12.000000000 0000 -------------------------- Patching file twe_compat.h using Plan A... Hunk #1 succeeded at 43. Hunk #2 succeeded at 68. Hunk #3 succeeded at 82. Hunk #4 succeeded at 92. Hunk #5 succeeded at 108. Hunk #6 succeeded at 128. Hmm... The next patch looks like a unified diff to me... The text leading up to this was: -------------------------- |--- //depot/vendor/freebsd/src/sys/dev/twe/twe_freebsd.c 2012-03-12 08:05:24.000000000 0000 |+++ //depot/user/jhb/cleanup/sys/dev/twe/twe_freebsd.c 2012-08-10 14:04:10.000000000 0000 -------------------------- Patching file twe_freebsd.c using Plan A... Hunk #1 succeeded at 69. Hunk #2 succeeded at 83. Hunk #3 succeeded at 101. Hunk #4 succeeded at 179. Hunk #5 succeeded at 189. Hunk #6 succeeded at 218. Hunk #7 succeeded at 248. Hunk #8 succeeded at 299. Hunk #9 succeeded at 421. Hunk #10 succeeded at 432. Hunk #11 succeeded at 468. Hunk #12 succeeded at 503. Hunk #13 succeeded at 525. Hunk #14 succeeded at 540. Hunk #15 succeeded at 573. Hunk #16 succeeded at 592. Hunk #17 succeeded at 611. Hunk #18 succeeded at 687. Hunk #19 succeeded at 736. Hunk #20 succeeded at 841. Hunk #21 succeeded at 864. Hunk #22 succeeded at 883. Hunk #23 succeeded at 1045. Hunk #24 succeeded at 1104. Hunk #25 succeeded at 1158. Hmm... The next patch looks like a unified diff to me... The text leading up to this was: -------------------------- |--- //depot/vendor/freebsd/src/sys/dev/twe/twevar.h 2009-12-25 17:35:14.000000000 0000 |+++ //depot/user/jhb/cleanup/sys/dev/twe/twevar.h 2012-08-03 04:00:49.000000000 0000 -------------------------- Patching file twevar.h using Plan A... Hunk #1 succeeded at 134. Hunk #2 succeeded at 210. Hunk #3 succeeded at 255. done 0{offsite2}# Looks good! //offsite2> show Ctl Model (V)Ports Drives Units NotOpt RRate VRate BBU ------------------------------------------------------------------------ c0 8006-2LP 2 2 1 0 3 - - c1 9650SE-2LP 2 2 1 0 1 1 - //offsite2> /c0 show Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy ------------------------------------------------------------------------------ u0 RAID-0 OK - - 64K 931.521 ON - Port Status Unit Size Blocks Serial --------------------------------------------------------------- p0 OK u0 465.76 GB 976773168 WD-WCAYUEY18298 p1 OK u0 465.76 GB 976773168 WD-WMAYUL256317 //offsite2> /c1 show Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy ------------------------------------------------------------------------------ u0 RAID-1 OK - - - 465.651 RiW ON VPort Status Unit Size Type Phy Encl-Slot Model ------------------------------------------------------------------------------ p0 OK u0 465.76 GB SATA 0 - WDC WD5002AALX-00J3 p1 OK u0 465.76 GB SATA 1 - WDC WD5002AALX-00J3 //offsite2> -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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