From: Dave Chinner <david@fromorbit.com> To: Ye Xiaolong <xiaolong.ye@intel.com> Cc: "Huang, Ying" <ying.huang@intel.com>, Linus Torvalds <torvalds@linux-foundation.org>, LKML <linux-kernel@vger.kernel.org>, Bob Peterson <rpeterso@redhat.com>, Wu Fengguang <fengguang.wu@intel.com>, LKP <lkp@01.org>, Christoph Hellwig <hch@lst.de> Subject: Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Date: Thu, 11 Aug 2016 13:05:35 +1000 [thread overview] Message-ID: <20160811030534.GV16044@dastard> (raw) In-Reply-To: <20160811023659.GA2896@yexl-desktop> On Thu, Aug 11, 2016 at 10:36:59AM +0800, Ye Xiaolong wrote: > On 08/11, Dave Chinner wrote: > >On Thu, Aug 11, 2016 at 11:16:12AM +1000, Dave Chinner wrote: > >> I need to see these events: > >> > >> xfs_file* > >> xfs_iomap* > >> xfs_get_block* > >> > >> For both kernels. An example trace from 4.8-rc1 running the command > >> `xfs_io -f -c 'pwrite 0 512k -b 128k' /mnt/scratch/fooey doing an > >> overwrite and extend of the existing file ends up looking like: > >> > >> $ sudo trace-cmd start -e xfs_iomap\* -e xfs_file\* -e xfs_get_blocks\* > >> $ sudo cat /sys/kernel/tracing/trace_pipe > >> <...>-2946 [001] .... 253971.750304: xfs_file_ioctl: dev 253:32 ino 0x84 > >> xfs_io-2946 [001] .... 253971.750938: xfs_file_buffered_write: dev 253:32 ino 0x84 size 0x40000 offset 0x0 count 0x20000 > >> xfs_io-2946 [001] .... 253971.750961: xfs_iomap_found: dev 253:32 ino 0x84 size 0x40000 offset 0x0 count 131072 type invalid startoff 0x0 startblock 24 blockcount 0x60 > >> xfs_io-2946 [001] .... 253971.751114: xfs_file_buffered_write: dev 253:32 ino 0x84 size 0x40000 offset 0x20000 count 0x20000 > >> xfs_io-2946 [001] .... 253971.751128: xfs_iomap_found: dev 253:32 ino 0x84 size 0x40000 offset 0x20000 count 131072 type invalid startoff 0x0 startblock 24 blockcount 0x60 > >> xfs_io-2946 [001] .... 253971.751234: xfs_file_buffered_write: dev 253:32 ino 0x84 size 0x40000 offset 0x40000 count 0x20000 > >> xfs_io-2946 [001] .... 253971.751236: xfs_iomap_found: dev 253:32 ino 0x84 size 0x40000 offset 0x40000 count 131072 type invalid startoff 0x0 startblock 24 blockcount 0x60 > >> xfs_io-2946 [001] .... 253971.751381: xfs_file_buffered_write: dev 253:32 ino 0x84 size 0x40000 offset 0x60000 count 0x20000 > >> xfs_io-2946 [001] .... 253971.751415: xfs_iomap_prealloc_size: dev 253:32 ino 0x84 prealloc blocks 128 shift 0 m_writeio_blocks 16 > >> xfs_io-2946 [001] .... 253971.751425: xfs_iomap_alloc: dev 253:32 ino 0x84 size 0x40000 offset 0x60000 count 131072 type invalid startoff 0x60 startblock -1 blockcount 0x90 > >> > >> That's the output I need for the complete test - you'll need to use > >> a better recording mechanism that this (e.g. trace-cmd record, > >> trace-cmd report) because it will generate a lot of events. Compress > >> the two report files (they'll be large) and send them to me offlist. > > > >Can you also send me the output of xfs_info on the filesystem you > >are testing? > > Hi, Dave > > Here is the xfs_info output: > > # xfs_info /fs/ram0/ > meta-data=/dev/ram0 isize=256 agcount=4, agsize=3145728 blks > = sectsz=4096 attr=2, projid32bit=1 > = crc=0 finobt=0 > data = bsize=4096 blocks=12582912, imaxpct=25 > = sunit=0 swidth=0 blks > naming =version 2 bsize=4096 ascii-ci=0 ftype=0 > log =internal bsize=4096 blocks=6144, version=2 > = sectsz=4096 sunit=1 blks, lazy-count=1 > realtime =none extsz=4096 blocks=0, rtextents=0 OK, nothing unusual there. One thing that I did just think of - how close to ENOSPC does this test get? i.e. are we hitting the "we're almost out of free space" slow paths on this test? Cheers, dave. > > Thanks, > Xiaolong > > > >Cheers, > > > >Dave. > >-- > >Dave Chinner > >david@fromorbit.com > >_______________________________________________ > >LKP mailing list > >LKP@lists.01.org > >https://lists.01.org/mailman/listinfo/lkp > -- Dave Chinner david@fromorbit.com
WARNING: multiple messages have this Message-ID (diff)
From: Dave Chinner <david@fromorbit.com> To: lkp@lists.01.org Subject: Re: [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Date: Thu, 11 Aug 2016 13:05:35 +1000 [thread overview] Message-ID: <20160811030534.GV16044@dastard> (raw) In-Reply-To: <20160811023659.GA2896@yexl-desktop> [-- Attachment #1: Type: text/plain, Size: 3790 bytes --] On Thu, Aug 11, 2016 at 10:36:59AM +0800, Ye Xiaolong wrote: > On 08/11, Dave Chinner wrote: > >On Thu, Aug 11, 2016 at 11:16:12AM +1000, Dave Chinner wrote: > >> I need to see these events: > >> > >> xfs_file* > >> xfs_iomap* > >> xfs_get_block* > >> > >> For both kernels. An example trace from 4.8-rc1 running the command > >> `xfs_io -f -c 'pwrite 0 512k -b 128k' /mnt/scratch/fooey doing an > >> overwrite and extend of the existing file ends up looking like: > >> > >> $ sudo trace-cmd start -e xfs_iomap\* -e xfs_file\* -e xfs_get_blocks\* > >> $ sudo cat /sys/kernel/tracing/trace_pipe > >> <...>-2946 [001] .... 253971.750304: xfs_file_ioctl: dev 253:32 ino 0x84 > >> xfs_io-2946 [001] .... 253971.750938: xfs_file_buffered_write: dev 253:32 ino 0x84 size 0x40000 offset 0x0 count 0x20000 > >> xfs_io-2946 [001] .... 253971.750961: xfs_iomap_found: dev 253:32 ino 0x84 size 0x40000 offset 0x0 count 131072 type invalid startoff 0x0 startblock 24 blockcount 0x60 > >> xfs_io-2946 [001] .... 253971.751114: xfs_file_buffered_write: dev 253:32 ino 0x84 size 0x40000 offset 0x20000 count 0x20000 > >> xfs_io-2946 [001] .... 253971.751128: xfs_iomap_found: dev 253:32 ino 0x84 size 0x40000 offset 0x20000 count 131072 type invalid startoff 0x0 startblock 24 blockcount 0x60 > >> xfs_io-2946 [001] .... 253971.751234: xfs_file_buffered_write: dev 253:32 ino 0x84 size 0x40000 offset 0x40000 count 0x20000 > >> xfs_io-2946 [001] .... 253971.751236: xfs_iomap_found: dev 253:32 ino 0x84 size 0x40000 offset 0x40000 count 131072 type invalid startoff 0x0 startblock 24 blockcount 0x60 > >> xfs_io-2946 [001] .... 253971.751381: xfs_file_buffered_write: dev 253:32 ino 0x84 size 0x40000 offset 0x60000 count 0x20000 > >> xfs_io-2946 [001] .... 253971.751415: xfs_iomap_prealloc_size: dev 253:32 ino 0x84 prealloc blocks 128 shift 0 m_writeio_blocks 16 > >> xfs_io-2946 [001] .... 253971.751425: xfs_iomap_alloc: dev 253:32 ino 0x84 size 0x40000 offset 0x60000 count 131072 type invalid startoff 0x60 startblock -1 blockcount 0x90 > >> > >> That's the output I need for the complete test - you'll need to use > >> a better recording mechanism that this (e.g. trace-cmd record, > >> trace-cmd report) because it will generate a lot of events. Compress > >> the two report files (they'll be large) and send them to me offlist. > > > >Can you also send me the output of xfs_info on the filesystem you > >are testing? > > Hi, Dave > > Here is the xfs_info output: > > # xfs_info /fs/ram0/ > meta-data=/dev/ram0 isize=256 agcount=4, agsize=3145728 blks > = sectsz=4096 attr=2, projid32bit=1 > = crc=0 finobt=0 > data = bsize=4096 blocks=12582912, imaxpct=25 > = sunit=0 swidth=0 blks > naming =version 2 bsize=4096 ascii-ci=0 ftype=0 > log =internal bsize=4096 blocks=6144, version=2 > = sectsz=4096 sunit=1 blks, lazy-count=1 > realtime =none extsz=4096 blocks=0, rtextents=0 OK, nothing unusual there. One thing that I did just think of - how close to ENOSPC does this test get? i.e. are we hitting the "we're almost out of free space" slow paths on this test? Cheers, dave. > > Thanks, > Xiaolong > > > >Cheers, > > > >Dave. > >-- > >Dave Chinner > >david(a)fromorbit.com > >_______________________________________________ > >LKP mailing list > >LKP(a)lists.01.org > >https://lists.01.org/mailman/listinfo/lkp > -- Dave Chinner david(a)fromorbit.com
next prev parent reply other threads:[~2016-08-11 3:12 UTC|newest] Thread overview: 219+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-08-09 14:33 [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression kernel test robot 2016-08-09 14:33 ` kernel test robot 2016-08-10 18:24 ` [lkp] " Linus Torvalds 2016-08-10 18:24 ` Linus Torvalds 2016-08-10 23:08 ` [lkp] " Dave Chinner 2016-08-10 23:08 ` Dave Chinner 2016-08-10 23:51 ` [lkp] " Linus Torvalds 2016-08-10 23:51 ` Linus Torvalds 2016-08-10 23:58 ` [LKP] [lkp] " Huang, Ying 2016-08-10 23:58 ` Huang, Ying 2016-08-11 0:11 ` [LKP] [lkp] " Huang, Ying 2016-08-11 0:11 ` Huang, Ying 2016-08-11 0:23 ` [LKP] [lkp] " Linus Torvalds 2016-08-11 0:23 ` Linus Torvalds 2016-08-11 0:33 ` [LKP] [lkp] " Huang, Ying 2016-08-11 0:33 ` Huang, Ying 2016-08-11 1:00 ` [LKP] [lkp] " Linus Torvalds 2016-08-11 1:00 ` Linus Torvalds 2016-08-11 4:46 ` [LKP] [lkp] " Dave Chinner 2016-08-11 4:46 ` Dave Chinner 2016-08-15 17:22 ` [LKP] [lkp] " Huang, Ying 2016-08-15 17:22 ` Huang, Ying 2016-08-16 0:08 ` [LKP] [lkp] " Dave Chinner 2016-08-16 0:08 ` Dave Chinner 2016-08-11 15:57 ` [LKP] [lkp] " Christoph Hellwig 2016-08-11 15:57 ` Christoph Hellwig 2016-08-11 16:55 ` [LKP] [lkp] " Linus Torvalds 2016-08-11 16:55 ` Linus Torvalds 2016-08-11 17:51 ` [LKP] [lkp] " Huang, Ying 2016-08-11 17:51 ` Huang, Ying 2016-08-11 19:51 ` [LKP] [lkp] " Linus Torvalds 2016-08-11 19:51 ` Linus Torvalds 2016-08-11 20:00 ` [LKP] [lkp] " Christoph Hellwig 2016-08-11 20:00 ` Christoph Hellwig 2016-08-11 20:35 ` [LKP] [lkp] " Linus Torvalds 2016-08-11 20:35 ` Linus Torvalds 2016-08-11 22:16 ` [LKP] [lkp] " Al Viro 2016-08-11 22:16 ` Al Viro 2016-08-11 22:30 ` [LKP] [lkp] " Linus Torvalds 2016-08-11 22:30 ` Linus Torvalds 2016-08-11 21:16 ` [LKP] [lkp] " Huang, Ying 2016-08-11 21:16 ` Huang, Ying 2016-08-11 21:40 ` [LKP] [lkp] " Linus Torvalds 2016-08-11 21:40 ` Linus Torvalds 2016-08-11 22:08 ` [LKP] [lkp] " Christoph Hellwig 2016-08-11 22:08 ` Christoph Hellwig 2016-08-12 0:54 ` [LKP] [lkp] " Dave Chinner 2016-08-12 0:54 ` Dave Chinner 2016-08-12 2:23 ` [LKP] [lkp] " Dave Chinner 2016-08-12 2:23 ` Dave Chinner 2016-08-12 2:32 ` [LKP] [lkp] " Linus Torvalds 2016-08-12 2:32 ` Linus Torvalds 2016-08-12 2:52 ` [LKP] [lkp] " Christoph Hellwig 2016-08-12 2:52 ` Christoph Hellwig 2016-08-12 3:20 ` [LKP] [lkp] " Linus Torvalds 2016-08-12 3:20 ` Linus Torvalds 2016-08-12 4:16 ` [LKP] [lkp] " Dave Chinner 2016-08-12 4:16 ` Dave Chinner 2016-08-12 5:02 ` [LKP] [lkp] " Linus Torvalds 2016-08-12 5:02 ` Linus Torvalds 2016-08-12 6:04 ` [LKP] [lkp] " Dave Chinner 2016-08-12 6:04 ` Dave Chinner 2016-08-12 6:29 ` [LKP] [lkp] " Ye Xiaolong 2016-08-12 6:29 ` Ye Xiaolong 2016-08-12 8:51 ` [LKP] [lkp] " Ye Xiaolong 2016-08-12 8:51 ` Ye Xiaolong 2016-08-12 10:02 ` [LKP] [lkp] " Dave Chinner 2016-08-12 10:02 ` Dave Chinner 2016-08-12 10:43 ` Fengguang Wu 2016-08-12 10:43 ` Fengguang Wu 2016-08-13 0:30 ` [LKP] [lkp] " Christoph Hellwig 2016-08-13 0:30 ` Christoph Hellwig 2016-08-13 21:48 ` [LKP] [lkp] " Christoph Hellwig 2016-08-13 21:48 ` Christoph Hellwig 2016-08-13 22:07 ` [LKP] [lkp] " Fengguang Wu 2016-08-13 22:07 ` Fengguang Wu 2016-08-13 22:15 ` [LKP] [lkp] " Christoph Hellwig 2016-08-13 22:15 ` Christoph Hellwig 2016-08-13 22:51 ` [LKP] [lkp] " Fengguang Wu 2016-08-13 22:51 ` Fengguang Wu 2016-08-14 14:50 ` [LKP] [lkp] " Fengguang Wu 2016-08-14 14:50 ` Fengguang Wu 2016-08-14 16:17 ` [LKP] [lkp] " Christoph Hellwig 2016-08-14 16:17 ` Christoph Hellwig 2016-08-14 23:46 ` [LKP] [lkp] " Dave Chinner 2016-08-14 23:46 ` Dave Chinner 2016-08-14 23:57 ` [LKP] [lkp] " Fengguang Wu 2016-08-14 23:57 ` Fengguang Wu 2016-08-15 14:14 ` [LKP] [lkp] " Fengguang Wu 2016-08-15 14:14 ` Fengguang Wu 2016-08-15 21:22 ` [LKP] [lkp] " Dave Chinner 2016-08-15 21:22 ` Dave Chinner 2016-08-16 12:20 ` [LKP] [lkp] " Fengguang Wu 2016-08-16 12:20 ` Fengguang Wu 2016-08-15 20:30 ` [LKP] [lkp] " Huang, Ying 2016-08-15 20:30 ` Huang, Ying 2016-08-22 22:09 ` [LKP] [lkp] " Huang, Ying 2016-08-22 22:09 ` Huang, Ying 2016-09-26 6:25 ` [LKP] [lkp] " Huang, Ying 2016-09-26 6:25 ` Huang, Ying 2016-09-26 14:55 ` [LKP] [lkp] " Christoph Hellwig 2016-09-26 14:55 ` Christoph Hellwig 2016-09-27 0:52 ` [LKP] [lkp] " Huang, Ying 2016-09-27 0:52 ` Huang, Ying 2016-08-16 13:25 ` [LKP] [lkp] " Fengguang Wu 2016-08-16 13:25 ` Fengguang Wu 2016-08-13 23:32 ` [LKP] [lkp] " Dave Chinner 2016-08-13 23:32 ` Dave Chinner 2016-08-12 2:27 ` [LKP] [lkp] " Linus Torvalds 2016-08-12 2:27 ` Linus Torvalds 2016-08-12 3:56 ` [LKP] [lkp] " Dave Chinner 2016-08-12 3:56 ` Dave Chinner 2016-08-12 18:03 ` [LKP] [lkp] " Linus Torvalds 2016-08-12 18:03 ` Linus Torvalds 2016-08-13 23:58 ` [LKP] [lkp] " Fengguang Wu 2016-08-13 23:58 ` Fengguang Wu 2016-08-15 0:48 ` [LKP] [lkp] " Dave Chinner 2016-08-15 0:48 ` Dave Chinner 2016-08-15 1:37 ` [LKP] [lkp] " Linus Torvalds 2016-08-15 1:37 ` Linus Torvalds 2016-08-15 2:28 ` [LKP] [lkp] " Dave Chinner 2016-08-15 2:28 ` Dave Chinner 2016-08-15 2:53 ` [LKP] [lkp] " Linus Torvalds 2016-08-15 2:53 ` Linus Torvalds 2016-08-15 5:00 ` [LKP] [lkp] " Dave Chinner 2016-08-15 5:00 ` Dave Chinner [not found] ` <CA+55aFwva2Xffai+Eqv1Jn_NGryk3YJ2i5JoHOQnbQv6qVPAsw@mail.gmail.com> [not found] ` <CA+55aFy14nUnJQ_GdF=j8Fa9xiH70c6fY2G3q5HQ01+8z1z3qQ@mail.gmail.com> 2016-08-15 5:12 ` Linus Torvalds 2016-08-15 22:22 ` [LKP] [lkp] " Dave Chinner 2016-08-15 22:22 ` Dave Chinner 2016-08-15 22:42 ` [LKP] [lkp] " Dave Chinner 2016-08-15 22:42 ` Dave Chinner 2016-08-15 23:20 ` [LKP] [lkp] " Linus Torvalds 2016-08-15 23:20 ` Linus Torvalds 2016-08-15 23:48 ` [LKP] [lkp] " Linus Torvalds 2016-08-15 23:48 ` Linus Torvalds 2016-08-16 0:44 ` [LKP] [lkp] " Dave Chinner 2016-08-16 0:44 ` Dave Chinner 2016-08-16 15:05 ` [LKP] [lkp] " Mel Gorman 2016-08-16 15:05 ` Mel Gorman 2016-08-16 17:47 ` [LKP] [lkp] " Linus Torvalds 2016-08-16 17:47 ` Linus Torvalds 2016-08-17 15:48 ` [LKP] [lkp] " Michal Hocko 2016-08-17 15:48 ` Michal Hocko 2016-08-17 16:42 ` [LKP] [lkp] " Michal Hocko 2016-08-17 16:42 ` Michal Hocko 2016-08-17 15:49 ` [LKP] [lkp] " Mel Gorman 2016-08-17 15:49 ` Mel Gorman 2016-08-18 0:45 ` [LKP] [lkp] " Mel Gorman 2016-08-18 0:45 ` Mel Gorman 2016-08-18 7:11 ` [LKP] [lkp] " Dave Chinner 2016-08-18 7:11 ` Dave Chinner 2016-08-18 13:24 ` [LKP] [lkp] " Mel Gorman 2016-08-18 13:24 ` Mel Gorman 2016-08-18 17:55 ` [LKP] [lkp] " Linus Torvalds 2016-08-18 17:55 ` Linus Torvalds 2016-08-18 21:19 ` [LKP] [lkp] " Dave Chinner 2016-08-18 21:19 ` Dave Chinner 2016-08-18 22:25 ` [LKP] [lkp] " Linus Torvalds 2016-08-18 22:25 ` Linus Torvalds 2016-08-19 9:00 ` [LKP] [lkp] " Michal Hocko 2016-08-19 9:00 ` Michal Hocko 2016-08-19 10:49 ` [LKP] [lkp] " Mel Gorman 2016-08-19 10:49 ` Mel Gorman 2016-08-19 23:48 ` [LKP] [lkp] " Dave Chinner 2016-08-19 23:48 ` Dave Chinner 2016-08-20 1:08 ` [LKP] [lkp] " Linus Torvalds 2016-08-20 1:08 ` Linus Torvalds 2016-08-20 12:16 ` [LKP] [lkp] " Mel Gorman 2016-08-20 12:16 ` Mel Gorman 2016-08-19 15:08 ` [LKP] [lkp] " Mel Gorman 2016-08-19 15:08 ` Mel Gorman 2016-09-01 23:32 ` [LKP] [lkp] " Dave Chinner 2016-09-01 23:32 ` Dave Chinner 2016-09-06 15:37 ` [LKP] [lkp] " Mel Gorman 2016-09-06 15:37 ` Mel Gorman 2016-09-06 15:52 ` [LKP] [lkp] " Huang, Ying 2016-09-06 15:52 ` Huang, Ying 2016-08-24 15:40 ` [LKP] [lkp] " Huang, Ying 2016-08-24 15:40 ` Huang, Ying 2016-08-25 9:37 ` [LKP] [lkp] " Mel Gorman 2016-08-25 9:37 ` Mel Gorman 2016-08-18 2:44 ` [LKP] [lkp] " Dave Chinner 2016-08-18 2:44 ` Dave Chinner 2016-08-16 0:15 ` [LKP] [lkp] " Linus Torvalds 2016-08-16 0:15 ` Linus Torvalds 2016-08-16 0:38 ` [LKP] [lkp] " Dave Chinner 2016-08-16 0:38 ` Dave Chinner 2016-08-16 0:50 ` [LKP] [lkp] " Linus Torvalds 2016-08-16 0:50 ` Linus Torvalds 2016-08-16 0:19 ` [LKP] [lkp] " Dave Chinner 2016-08-16 0:19 ` Dave Chinner 2016-08-16 1:51 ` [LKP] [lkp] " Linus Torvalds 2016-08-16 1:51 ` Linus Torvalds 2016-08-16 22:02 ` [LKP] [lkp] " Dave Chinner 2016-08-16 22:02 ` Dave Chinner 2016-08-16 23:23 ` [LKP] [lkp] " Linus Torvalds 2016-08-16 23:23 ` Linus Torvalds 2016-08-15 23:01 ` [LKP] [lkp] " Linus Torvalds 2016-08-15 23:01 ` Linus Torvalds 2016-08-16 0:17 ` [LKP] [lkp] " Dave Chinner 2016-08-16 0:17 ` Dave Chinner 2016-08-16 0:45 ` [LKP] [lkp] " Linus Torvalds 2016-08-16 0:45 ` Linus Torvalds 2016-08-15 5:03 ` [LKP] [lkp] " Ingo Molnar 2016-08-15 5:03 ` Ingo Molnar 2016-08-17 16:24 ` [LKP] [lkp] " Peter Zijlstra 2016-08-17 16:24 ` Peter Zijlstra 2016-08-15 12:58 ` [LKP] [lkp] " Fengguang Wu 2016-08-15 12:58 ` Fengguang Wu 2016-08-11 1:16 ` [LKP] [lkp] " Dave Chinner 2016-08-11 1:16 ` Dave Chinner 2016-08-11 1:32 ` [LKP] [lkp] " Dave Chinner 2016-08-11 1:32 ` Dave Chinner 2016-08-11 2:36 ` [LKP] [lkp] " Ye Xiaolong 2016-08-11 2:36 ` Ye Xiaolong 2016-08-11 3:05 ` Dave Chinner [this message] 2016-08-11 3:05 ` Dave Chinner 2016-08-12 1:26 ` [LKP] [lkp] " Dave Chinner 2016-08-12 1:26 ` Dave Chinner
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