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Date: Fri, 16 Dec 2011 13:27:45 +0800
From: Wu Fengguang <fengguang.wu@...el.com>
To: linux-fsdevel@...r.kernel.org
Cc: LKML <linux-kernel@...r.kernel.org>,
Dave Chinner <david@...morbit.com>,
Christoph Hellwig <hch@...radead.org>,
Li Shaohua <shaohua.li@...el.com>, Jens Axboe <axboe@...nel.dk>
Subject: Re: XFS/btrfs performance after IO-less dirty throttling
On Thu, Dec 15, 2011 at 09:52:50PM +0800, Wu Fengguang wrote:
> On Thu, Dec 15, 2011 at 09:31:37PM +0800, Wu Fengguang wrote:
> > > The other big regressions happen in the XFS UKEY-thresh=100M cases.
> >
> > > 3.1.0+ 3.2.0-rc3
> > > ------------------------ ------------------------
> > > 4.17 -37.8% 2.59 fat/UKEY-thresh=100M/xfs-100dd-1-3.1.0+
> > > 4.14 -53.3% 1.94 fat/UKEY-thresh=100M/xfs-10dd-1-3.1.0+
> > > 6.30 +0.4% 6.33 fat/UKEY-thresh=100M/xfs-1dd-1-3.1.0+
> >
> > Here are more details for the 10dd case. The attached
> > balance_dirty_pages-pause.png shows small pause time (mostly in range
> > 10-50ms) and nr_dirtied_pause (mostly < 5), which may be the root cause.
> >
> > The iostat graphs show very unstable throughput and IO size often
> > drops low.
>
> With the recently patches to raise pause time, the performance becomes
> better, but still not enough:
>
> 3.1.0+ 3.2.0-rc3-pause6+
> ------------------------ ------------------------
> 4.17 -33.1% 2.79 fat/UKEY-thresh=100M/xfs-100dd-1-3.1.0+
> 4.14 -23.9% 3.15 fat/UKEY-thresh=100M/xfs-10dd-1-3.1.0+
> 6.30 +0.2% 6.32 fat/UKEY-thresh=100M/xfs-1dd-1-3.1.0+
I have more findings when comparing the cfq and deadline IO
schedulers: the deadline IO scheduler has no such regression
(seems that it's not affected by the writeback changes).
% ./compare -g xfs fat/*/*-3.2.0-rc5-ioless-full+{,:deadline}
3.2.0-rc5-ioless-full+ 3.2.0-rc5-ioless-full+:deadline
------------------------ ------------------------
56.64 +7.3% 60.80 fat/UKEY-HDD/xfs-10dd-1-3.2.0-rc5-ioless-full+
61.43 -0.4% 61.20 fat/UKEY-HDD/xfs-1dd-1-3.2.0-rc5-ioless-full+
===> 2.41 +62.8% 3.93 fat/UKEY-thresh=100M/xfs-10dd-1-3.2.0-rc5-ioless-full+
6.34 -0.1% 6.34 fat/UKEY-thresh=100M/xfs-1dd-1-3.2.0-rc5-ioless-full+
10.40 +5.4% 10.97 fat/fio/xfs-fio_fat_mmap_randwrite_4k-1-3.2.0-rc5-ioless-full+
44.15 +9.0% 48.10 fat/fio/xfs-fio_fat_mmap_randwrite_64k-1-3.2.0-rc5-ioless-full+
53.92 +3.2% 55.66 fat/fio/xfs-fio_fat_rates-1-3.2.0-rc5-ioless-full+
55.13 +2.8% 56.70 fat/thresh=1000M/xfs-10dd-1-3.2.0-rc5-ioless-full+
56.96 -4.3% 54.51 fat/thresh=1000M/xfs-1dd-1-3.2.0-rc5-ioless-full+
56.56 +0.2% 56.67 fat/thresh=1000M:990M/xfs-10dd-1-3.2.0-rc5-ioless-full+
55.50 -4.0% 53.30 fat/thresh=1000M:990M/xfs-1dd-1-3.2.0-rc5-ioless-full+
54.55 +2.5% 55.92 fat/thresh=1000M:999M/xfs-10dd-1-3.2.0-rc5-ioless-full+
56.67 -3.5% 54.70 fat/thresh=1000M:999M/xfs-1dd-1-3.2.0-rc5-ioless-full+
56.76 -4.8% 54.06 fat/thresh=100M/xfs-1dd-1-3.2.0-rc5-ioless-full+
53.20 +1.5% 53.98 fat/thresh=10M/xfs-1dd-1-3.2.0-rc5-ioless-full+
52.78 +3.0% 54.38 fat/thresh=1M/xfs-1dd-1-3.2.0-rc5-ioless-full+
733.42 +1.1% 741.22 TOTAL write_bw
% ./compare-xfs fat/UKEY-thresh=100M/xfs-10dd-1-3.2.0-rc5-ioless-full+{,:deadline}| g TOTAL
2.41 +62.8% 3.93 TOTAL write_bw
2559.12 +57.1% 4019.64 TOTAL io_wkB_s
22.82 +52.1% 34.70 TOTAL io_w_s
0.04 +575.0% 0.24 TOTAL io_wrqm_s
0.04 +499.0% 0.26 TOTAL io_rkB_s
0.02 +343.7% 0.07 TOTAL io_r_s
0.00 0.40 TOTAL io_rrqm_s
199.06 +15.7% 230.24 TOTAL io_avgrq_sz
152.84 -4.0% 146.75 TOTAL io_avgqu_sz
6486.82 -35.1% 4212.99 TOTAL io_await
83.67 -62.9% 31.06 TOTAL io_svctm
100.00 +0.0% 100.00 TOTAL io_util
0.07 -9.0% 0.06 TOTAL cpu_user
0.00 0.00 TOTAL cpu_nice
0.11 +3.3% 0.12 TOTAL cpu_system
48.00 +13.1% 54.31 TOTAL cpu_iowait
0.00 0.00 TOTAL cpu_steal
51.82 -12.2% 45.51 TOTAL cpu_idle
2.41 +62.8% 3.93 TOTAL write_bw
0.00 0.00 TOTAL writeback:writeback_nothread
0.00 0.00 TOTAL writeback:writeback_queue
0.00 0.00 TOTAL writeback:writeback_exec
811.00 +21.6% 986.00 TOTAL writeback:writeback_start
811.00 +21.5% 985.00 TOTAL writeback:writeback_written
1.00 +200.0% 3.00 TOTAL writeback:writeback_wait
197.00 -35.0% 128.00 TOTAL writeback:writeback_pages_written
0.00 0.00 TOTAL writeback:writeback_nowork
182.00 -83.0% 31.00 TOTAL writeback:writeback_wake_background
88.00 +18.2% 104.00 TOTAL writeback:writeback_wake_thread
2.00 -50.0% 1.00 TOTAL writeback:writeback_wake_forker_thread
0.00 0.00 TOTAL writeback:writeback_bdi_register
0.00 0.00 TOTAL writeback:writeback_bdi_unregister
2.00 -50.0% 1.00 TOTAL writeback:writeback_thread_start
2.00 -50.0% 1.00 TOTAL writeback:writeback_thread_stop
1515.00 +3.6% 1570.00 TOTAL writeback:wbc_writepage
539.00 -10.8% 481.00 TOTAL writeback:writeback_queue_io
29290.00 -13.7% 25279.00 TOTAL writeback:global_dirty_state
2454.00 +6.2% 2605.00 TOTAL writeback:bdi_dirty_ratelimit
27349.00 -13.8% 23567.00 TOTAL writeback:balance_dirty_pages
0.00 0.00 TOTAL writeback:writeback_congestion_wait
0.00 0.00 TOTAL writeback:writeback_wait_iff_congested
0.00 0.00 TOTAL writeback:writeback_single_inode_requeue
724.00 +43.6% 1040.00 TOTAL writeback:writeback_single_inode
0.00 0.00 TOTAL block:block_rq_abort
0.00 0.00 TOTAL block:block_rq_requeue
13757.00 +52.0% 20904.00 TOTAL block:block_rq_complete
14505.00 +49.5% 21678.00 TOTAL block:block_rq_insert
14350.00 +49.9% 21509.00 TOTAL block:block_rq_issue
0.00 0.00 TOTAL block:block_bio_bounce
0.00 0.00 TOTAL block:block_bio_complete
20.00 +2075.0% 435.00 TOTAL block:block_bio_backmerge
1.00 +0.0% 1.00 TOTAL block:block_bio_frontmerge
13935.00 +54.4% 21513.00 TOTAL block:block_bio_queue
14505.00 +49.5% 21678.00 TOTAL block:block_getrq
403.00 +58.3% 638.00 TOTAL block:block_sleeprq
1513.00 +33.3% 2017.00 TOTAL block:block_plug
1513.00 +33.3% 2017.00 TOTAL block:block_unplug
0.00 0.00 TOTAL block:block_split
13934.00 +54.4% 21512.00 TOTAL block:block_bio_remap
0.00 0.00 TOTAL block:block_rq_remap
2.41 +62.8% 3.93 TOTAL write_bw
0.00 0.00 TOTAL xfs:xfs_attr_list_sf
0.00 0.00 TOTAL xfs:xfs_attr_list_sf_all
0.00 0.00 TOTAL xfs:xfs_attr_list_leaf
0.00 0.00 TOTAL xfs:xfs_attr_list_leaf_end
0.00 0.00 TOTAL xfs:xfs_attr_list_full
0.00 0.00 TOTAL xfs:xfs_attr_list_add
0.00 0.00 TOTAL xfs:xfs_attr_list_wrong_blk
0.00 0.00 TOTAL xfs:xfs_attr_list_notfound
102292.00 -80.2% 20294.00 TOTAL xfs:xfs_perag_get
0.00 0.00 TOTAL xfs:xfs_perag_get_tag
83956.00 -79.4% 17281.00 TOTAL xfs:xfs_perag_put
0.00 0.00 TOTAL xfs:xfs_perag_set_reclaim
0.00 0.00 TOTAL xfs:xfs_perag_clear_reclaim
0.00 0.00 TOTAL xfs:xfs_attr_list_node_descend
339.00 -34.5% 222.00 TOTAL xfs:xfs_iext_insert
101.00 -74.3% 26.00 TOTAL xfs:xfs_iext_remove
11277.00 -81.3% 2108.00 TOTAL xfs:xfs_bmap_pre_update
11277.00 -81.3% 2108.00 TOTAL xfs:xfs_bmap_post_update
0.00 0.00 TOTAL xfs:xfs_extlist
181.00 -48.1% 94.00 TOTAL xfs:xfs_buf_init
0.00 0.00 TOTAL xfs:xfs_buf_free
1010.00 -36.7% 639.00 TOTAL xfs:xfs_buf_hold
9262.00 -56.2% 4057.00 TOTAL xfs:xfs_buf_rele
568.00 -42.8% 325.00 TOTAL xfs:xfs_buf_iodone
453.00 -46.6% 242.00 TOTAL xfs:xfs_buf_iorequest
0.00 0.00 TOTAL xfs:xfs_buf_bawrite
39.00 -51.3% 19.00 TOTAL xfs:xfs_buf_lock
39.00 -51.3% 19.00 TOTAL xfs:xfs_buf_lock_done
23130.00 -68.3% 7325.00 TOTAL xfs:xfs_buf_trylock
2991.00 -22.1% 2329.00 TOTAL xfs:xfs_buf_unlock
12.00 +25.0% 15.00 TOTAL xfs:xfs_buf_iowait
14.00 +14.3% 16.00 TOTAL xfs:xfs_buf_iowait_done
3273.00 -24.8% 2462.00 TOTAL xfs:xfs_buf_delwri_queue
0.00 0.00 TOTAL xfs:xfs_buf_delwri_dequeue
111.00 -26.1% 82.00 TOTAL xfs:xfs_buf_delwri_split
0.00 0.00 TOTAL xfs:xfs_buf_get_uncached
0.00 0.00 TOTAL xfs:xfs_bdstrat_shut
358.00 -33.0% 240.00 TOTAL xfs:xfs_buf_item_relse
0.00 0.00 TOTAL xfs:xfs_buf_item_iodone
0.00 0.00 TOTAL xfs:xfs_buf_item_iodone_async
0.00 0.00 TOTAL xfs:xfs_buf_error_relse
0.00 0.00 TOTAL xfs:xfs_trans_read_buf_io
0.00 0.00 TOTAL xfs:xfs_trans_read_buf_shut
0.00 0.00 TOTAL xfs:xfs_btree_corrupt
0.00 0.00 TOTAL xfs:xfs_da_btree_corrupt
0.00 0.00 TOTAL xfs:xfs_reset_dqcounts
0.00 0.00 TOTAL xfs:xfs_inode_item_push
2024.00 -20.9% 1600.00 TOTAL xfs:xfs_buf_find
1990.00 -20.1% 1591.00 TOTAL xfs:xfs_buf_get
1987.00 -20.1% 1588.00 TOTAL xfs:xfs_buf_read
457.00 -46.8% 243.00 TOTAL xfs:xfs_buf_ioerror
1364.00 -34.5% 893.00 TOTAL xfs:xfs_buf_item_size
0.00 0.00 TOTAL xfs:xfs_buf_item_size_stale
1364.00 -34.5% 893.00 TOTAL xfs:xfs_buf_item_format
0.00 0.00 TOTAL xfs:xfs_buf_item_format_stale
1283.00 -50.9% 630.00 TOTAL xfs:xfs_buf_item_pin
1275.00 -51.5% 619.00 TOTAL xfs:xfs_buf_item_unpin
0.00 0.00 TOTAL xfs:xfs_buf_item_unpin_stale
86.00 -33.7% 57.00 TOTAL xfs:xfs_buf_item_trylock
1365.00 -34.4% 895.00 TOTAL xfs:xfs_buf_item_unlock
0.00 0.00 TOTAL xfs:xfs_buf_item_unlock_stale
1275.00 -51.5% 619.00 TOTAL xfs:xfs_buf_item_committed
0.00 0.00 TOTAL xfs:xfs_buf_item_push
86.00 -33.7% 57.00 TOTAL xfs:xfs_buf_item_pushbuf
3.00 +0.0% 3.00 TOTAL xfs:xfs_trans_get_buf
0.00 0.00 TOTAL xfs:xfs_trans_get_buf_recur
14.00 +14.3% 16.00 TOTAL xfs:xfs_trans_getsb
0.00 0.00 TOTAL xfs:xfs_trans_getsb_recur
1706.00 -34.6% 1116.00 TOTAL xfs:xfs_trans_read_buf
10.00 +0.0% 10.00 TOTAL xfs:xfs_trans_read_buf_recur
2990.00 -32.6% 2014.00 TOTAL xfs:xfs_trans_log_buf
1362.00 -33.8% 901.00 TOTAL xfs:xfs_trans_brelse
0.00 0.00 TOTAL xfs:xfs_trans_bjoin
0.00 0.00 TOTAL xfs:xfs_trans_bhold
0.00 0.00 TOTAL xfs:xfs_trans_bhold_release
0.00 0.00 TOTAL xfs:xfs_trans_binval
1940825.00 +55.6% 3020579.00 TOTAL xfs:xfs_ilock
9846.00 -16.4% 8234.00 TOTAL xfs:xfs_ilock_nowait
0.00 0.00 TOTAL xfs:xfs_ilock_demote
1950676.00 +55.3% 3028815.00 TOTAL xfs:xfs_iunlock
0.00 0.00 TOTAL xfs:xfs_iget_skip
0.00 0.00 TOTAL xfs:xfs_iget_reclaim
0.00 0.00 TOTAL xfs:xfs_iget_reclaim_fail
0.00 0.00 TOTAL xfs:xfs_iget_hit
0.00 0.00 TOTAL xfs:xfs_iget_miss
21.00 +57.1% 33.00 TOTAL xfs:xfs_getattr
0.00 0.00 TOTAL xfs:xfs_setattr
0.00 0.00 TOTAL xfs:xfs_readlink
0.00 0.00 TOTAL xfs:xfs_alloc_file_space
0.00 0.00 TOTAL xfs:xfs_free_file_space
6.00 -33.3% 4.00 TOTAL xfs:xfs_readdir
0.00 0.00 TOTAL xfs:xfs_get_acl
0.00 0.00 TOTAL xfs:xfs_vm_bmap
0.00 0.00 TOTAL xfs:xfs_file_ioctl
0.00 0.00 TOTAL xfs:xfs_file_compat_ioctl
0.00 0.00 TOTAL xfs:xfs_ioctl_setattr
0.00 0.00 TOTAL xfs:xfs_dir_fsync
0.00 0.00 TOTAL xfs:xfs_file_fsync
1.00 -100.0% 0.00 TOTAL xfs:xfs_destroy_inode
382.00 +102.4% 773.00 TOTAL xfs:xfs_write_inode
3.00 -66.7% 1.00 TOTAL xfs:xfs_evict_inode
0.00 0.00 TOTAL xfs:xfs_dquot_dqalloc
0.00 0.00 TOTAL xfs:xfs_dquot_dqdetach
0.00 0.00 TOTAL xfs:xfs_ihold
201561.00 -83.7% 32947.00 TOTAL xfs:xfs_irele
352.00 -35.5% 227.00 TOTAL xfs:xfs_inode_pin
355.00 -35.8% 228.00 TOTAL xfs:xfs_inode_unpin
0.00 0.00 TOTAL xfs:xfs_inode_unpin_nowait
4.00 -75.0% 1.00 TOTAL xfs:xfs_remove
0.00 0.00 TOTAL xfs:xfs_link
0.00 0.00 TOTAL xfs:xfs_lookup
0.00 0.00 TOTAL xfs:xfs_create
0.00 0.00 TOTAL xfs:xfs_symlink
0.00 0.00 TOTAL xfs:xfs_rename
0.00 0.00 TOTAL xfs:xfs_dqadjust
0.00 0.00 TOTAL xfs:xfs_dqreclaim_want
0.00 0.00 TOTAL xfs:xfs_dqreclaim_dirty
0.00 0.00 TOTAL xfs:xfs_dqreclaim_unlink
0.00 0.00 TOTAL xfs:xfs_dqattach_found
0.00 0.00 TOTAL xfs:xfs_dqattach_get
0.00 0.00 TOTAL xfs:xfs_dqinit
0.00 0.00 TOTAL xfs:xfs_dqreuse
0.00 0.00 TOTAL xfs:xfs_dqalloc
0.00 0.00 TOTAL xfs:xfs_dqtobp_read
0.00 0.00 TOTAL xfs:xfs_dqread
0.00 0.00 TOTAL xfs:xfs_dqread_fail
0.00 0.00 TOTAL xfs:xfs_dqlookup_found
0.00 0.00 TOTAL xfs:xfs_dqlookup_want
0.00 0.00 TOTAL xfs:xfs_dqlookup_freelist
0.00 0.00 TOTAL xfs:xfs_dqlookup_done
0.00 0.00 TOTAL xfs:xfs_dqget_hit
0.00 0.00 TOTAL xfs:xfs_dqget_miss
0.00 0.00 TOTAL xfs:xfs_dqput
0.00 0.00 TOTAL xfs:xfs_dqput_wait
0.00 0.00 TOTAL xfs:xfs_dqput_free
0.00 0.00 TOTAL xfs:xfs_dqrele
0.00 0.00 TOTAL xfs:xfs_dqflush
0.00 0.00 TOTAL xfs:xfs_dqflush_force
0.00 0.00 TOTAL xfs:xfs_dqflush_done
699.00 -43.3% 396.00 TOTAL xfs:xfs_log_done_nonperm
88.00 -84.1% 14.00 TOTAL xfs:xfs_log_done_perm
455.00 -42.4% 262.00 TOTAL xfs:xfs_log_reserve
0.00 0.00 TOTAL xfs:xfs_log_umount_write
367.00 -32.4% 248.00 TOTAL xfs:xfs_log_grant_enter
367.00 -32.4% 248.00 TOTAL xfs:xfs_log_grant_exit
0.00 0.00 TOTAL xfs:xfs_log_grant_error
0.00 0.00 TOTAL xfs:xfs_log_grant_sleep1
0.00 0.00 TOTAL xfs:xfs_log_grant_wake1
0.00 0.00 TOTAL xfs:xfs_log_grant_sleep2
0.00 0.00 TOTAL xfs:xfs_log_grant_wake2
0.00 0.00 TOTAL xfs:xfs_log_grant_wake_up
80.00 -91.2% 7.00 TOTAL xfs:xfs_log_regrant_write_enter
81.00 -91.4% 7.00 TOTAL xfs:xfs_log_regrant_write_exit
0.00 0.00 TOTAL xfs:xfs_log_regrant_write_error
0.00 0.00 TOTAL xfs:xfs_log_regrant_write_sleep1
0.00 0.00 TOTAL xfs:xfs_log_regrant_write_wake1
0.00 0.00 TOTAL xfs:xfs_log_regrant_write_sleep2
0.00 0.00 TOTAL xfs:xfs_log_regrant_write_wake2
0.00 0.00 TOTAL xfs:xfs_log_regrant_write_wake_up
90.00 -84.4% 14.00 TOTAL xfs:xfs_log_regrant_reserve_enter
81.00 -91.4% 7.00 TOTAL xfs:xfs_log_regrant_reserve_exit
90.00 -84.4% 14.00 TOTAL xfs:xfs_log_regrant_reserve_sub
701.00 -43.5% 396.00 TOTAL xfs:xfs_log_ungrant_enter
701.00 -43.5% 396.00 TOTAL xfs:xfs_log_ungrant_exit
701.00 -43.5% 396.00 TOTAL xfs:xfs_log_ungrant_sub
91.00 -97.8% 2.00 TOTAL xfs:xfs_ail_push
5911.00 -71.9% 1659.00 TOTAL xfs:xfs_ail_pushbuf
0.00 0.00 TOTAL xfs:xfs_ail_pushbuf_pinned
106.00 -18.9% 86.00 TOTAL xfs:xfs_ail_pinned
14285.00 -72.2% 3971.00 TOTAL xfs:xfs_ail_locked
0.00 0.00 TOTAL xfs:xfs_file_read
385016.00 +56.5% 602645.00 TOTAL xfs:xfs_file_buffered_write
0.00 0.00 TOTAL xfs:xfs_file_direct_write
0.00 0.00 TOTAL xfs:xfs_file_splice_read
0.00 0.00 TOTAL xfs:xfs_file_splice_write
714.00 +16.7% 833.00 TOTAL xfs:xfs_writepage
231206.00 -62.3% 87239.00 TOTAL xfs:xfs_releasepage
231206.00 -62.3% 87239.00 TOTAL xfs:xfs_invalidatepage
372.00 +63.4% 608.00 TOTAL xfs:xfs_map_blocks_found
343.00 -34.1% 226.00 TOTAL xfs:xfs_map_blocks_alloc
365357.00 +60.8% 587469.00 TOTAL xfs:xfs_get_blocks_found
19574.00 -22.5% 15177.00 TOTAL xfs:xfs_get_blocks_alloc
11300.00 -81.4% 2098.00 TOTAL xfs:xfs_delalloc_enospc
0.00 0.00 TOTAL xfs:xfs_unwritten_convert
0.00 0.00 TOTAL xfs:xfs_get_blocks_notfound
688.00 +19.6% 823.00 TOTAL xfs:xfs_setfilesize
9.00 -22.2% 7.00 TOTAL xfs:xfs_itruncate_data_start
9.00 -22.2% 7.00 TOTAL xfs:xfs_itruncate_data_end
0.00 0.00 TOTAL xfs:xfs_pagecache_inval
45.00 -84.4% 7.00 TOTAL xfs:xfs_bunmap
82.00 -91.5% 7.00 TOTAL xfs:xfs_alloc_busy
0.00 0.00 TOTAL xfs:xfs_alloc_busy_enomem
0.00 0.00 TOTAL xfs:xfs_alloc_busy_force
0.00 0.00 TOTAL xfs:xfs_alloc_busy_reuse
0.00 0.00 TOTAL xfs:xfs_alloc_busy_clear
0.00 3.00 TOTAL xfs:xfs_alloc_busy_trim
0.00 0.00 TOTAL xfs:xfs_trans_commit_lsn
1128.00 -38.0% 699.00 TOTAL xfs:xfs_agf
82.00 -91.5% 7.00 TOTAL xfs:xfs_free_extent
0.00 0.00 TOTAL xfs:xfs_alloc_exact_done
0.00 0.00 TOTAL xfs:xfs_alloc_exact_notfound
0.00 0.00 TOTAL xfs:xfs_alloc_exact_error
0.00 0.00 TOTAL xfs:xfs_alloc_near_nominleft
334.00 -34.4% 219.00 TOTAL xfs:xfs_alloc_near_first
0.00 0.00 TOTAL xfs:xfs_alloc_near_greater
0.00 0.00 TOTAL xfs:xfs_alloc_near_lesser
0.00 0.00 TOTAL xfs:xfs_alloc_near_error
0.00 0.00 TOTAL xfs:xfs_alloc_near_noentry
0.00 0.00 TOTAL xfs:xfs_alloc_near_busy
0.00 0.00 TOTAL xfs:xfs_alloc_size_neither
0.00 0.00 TOTAL xfs:xfs_alloc_size_noentry
2.00 +50.0% 3.00 TOTAL xfs:xfs_alloc_size_nominleft
11.00 -9.1% 10.00 TOTAL xfs:xfs_alloc_size_done
0.00 0.00 TOTAL xfs:xfs_alloc_size_error
0.00 0.00 TOTAL xfs:xfs_alloc_size_busy
0.00 0.00 TOTAL xfs:xfs_alloc_small_freelist
0.00 0.00 TOTAL xfs:xfs_alloc_small_notenough
5.00 +20.0% 6.00 TOTAL xfs:xfs_alloc_small_done
0.00 0.00 TOTAL xfs:xfs_alloc_small_error
0.00 0.00 TOTAL xfs:xfs_alloc_vextent_badargs
0.00 0.00 TOTAL xfs:xfs_alloc_vextent_nofix
0.00 0.00 TOTAL xfs:xfs_alloc_vextent_noagbp
106.00 -40.6% 63.00 TOTAL xfs:xfs_alloc_vextent_loopfailed
0.00 0.00 TOTAL xfs:xfs_alloc_vextent_allfailed
0.00 0.00 TOTAL xfs:xfs_dir2_sf_addname
0.00 0.00 TOTAL xfs:xfs_dir2_sf_create
0.00 0.00 TOTAL xfs:xfs_dir2_sf_lookup
0.00 0.00 TOTAL xfs:xfs_dir2_sf_replace
6.00 -83.3% 1.00 TOTAL xfs:xfs_dir2_sf_removename
0.00 0.00 TOTAL xfs:xfs_dir2_sf_toino4
0.00 0.00 TOTAL xfs:xfs_dir2_sf_toino8
0.00 0.00 TOTAL xfs:xfs_dir2_sf_to_block
0.00 0.00 TOTAL xfs:xfs_dir2_block_addname
0.00 0.00 TOTAL xfs:xfs_dir2_block_lookup
0.00 0.00 TOTAL xfs:xfs_dir2_block_replace
0.00 0.00 TOTAL xfs:xfs_dir2_block_removename
0.00 0.00 TOTAL xfs:xfs_dir2_block_to_sf
0.00 0.00 TOTAL xfs:xfs_dir2_block_to_leaf
0.00 0.00 TOTAL xfs:xfs_dir2_leaf_addname
0.00 0.00 TOTAL xfs:xfs_dir2_leaf_lookup
0.00 0.00 TOTAL xfs:xfs_dir2_leaf_replace
0.00 0.00 TOTAL xfs:xfs_dir2_leaf_removename
0.00 0.00 TOTAL xfs:xfs_dir2_leaf_to_block
0.00 0.00 TOTAL xfs:xfs_dir2_leaf_to_node
0.00 0.00 TOTAL xfs:xfs_dir2_node_addname
0.00 0.00 TOTAL xfs:xfs_dir2_node_lookup
0.00 0.00 TOTAL xfs:xfs_dir2_node_replace
0.00 0.00 TOTAL xfs:xfs_dir2_node_removename
0.00 0.00 TOTAL xfs:xfs_dir2_node_to_leaf
0.00 0.00 TOTAL xfs:xfs_dir2_leafn_add
0.00 0.00 TOTAL xfs:xfs_dir2_leafn_remove
0.00 0.00 TOTAL xfs:xfs_dir2_grow_inode
0.00 0.00 TOTAL xfs:xfs_dir2_shrink_inode
0.00 0.00 TOTAL xfs:xfs_dir2_leafn_moveents
0.00 0.00 TOTAL xfs:xfs_swap_extent_before
0.00 0.00 TOTAL xfs:xfs_swap_extent_after
0.00 0.00 TOTAL xfs:xfs_log_recover_item_add
0.00 0.00 TOTAL xfs:xfs_log_recover_item_add_cont
0.00 0.00 TOTAL xfs:xfs_log_recover_item_reorder_head
0.00 0.00 TOTAL xfs:xfs_log_recover_item_reorder_tail
0.00 0.00 TOTAL xfs:xfs_log_recover_item_recover
0.00 0.00 TOTAL xfs:xfs_log_recover_buf_not_cancel
0.00 0.00 TOTAL xfs:xfs_log_recover_buf_cancel
0.00 0.00 TOTAL xfs:xfs_log_recover_buf_cancel_add
0.00 0.00 TOTAL xfs:xfs_log_recover_buf_cancel_ref_inc
0.00 0.00 TOTAL xfs:xfs_log_recover_buf_recover
0.00 0.00 TOTAL xfs:xfs_log_recover_buf_inode_buf
0.00 0.00 TOTAL xfs:xfs_log_recover_buf_reg_buf
0.00 0.00 TOTAL xfs:xfs_log_recover_buf_dquot_buf
0.00 0.00 TOTAL xfs:xfs_log_recover_inode_recover
0.00 0.00 TOTAL xfs:xfs_log_recover_inode_cancel
0.00 0.00 TOTAL xfs:xfs_log_recover_inode_skip
0.00 0.00 TOTAL xfs:xfs_discard_extent
0.00 0.00 TOTAL xfs:xfs_discard_toosmall
0.00 0.00 TOTAL xfs:xfs_discard_exclude
0.00 0.00 TOTAL xfs:xfs_discard_busy
2.41 +62.8% 3.93 TOTAL write_bw
0.00 0.00 TOTAL nr_vmscan_write
0.00 0.00 TOTAL nr_vmscan_immediate_reclaim
407728.00 +53.1% 624195.00 TOTAL nr_dirtied
384722.00 +56.7% 602813.00 TOTAL nr_written
677531.00 +33.7% 905537.00 TOTAL numa_hit
0.00 0.00 TOTAL numa_miss
0.00 0.00 TOTAL numa_foreign
8884.00 +0.6% 8934.00 TOTAL numa_interleave
677531.00 +33.7% 905537.00 TOTAL numa_local
0.00 0.00 TOTAL numa_other
13095.00 +0.8% 13203.00 TOTAL pgpgin
1572498.00 +55.5% 2444726.00 TOTAL pgpgout
0.00 0.00 TOTAL pswpin
0.00 0.00 TOTAL pswpout
0.00 0.00 TOTAL pgalloc_dma
707945.00 +32.3% 936950.00 TOTAL pgalloc_dma32
0.00 0.00 TOTAL pgalloc_normal
0.00 0.00 TOTAL pgalloc_movable
990276.00 +0.8% 998211.00 TOTAL pgfree
3864.00 +0.5% 3883.00 TOTAL pgactivate
0.00 0.00 TOTAL pgdeactivate
576901.00 +1.6% 585908.00 TOTAL pgfault
189.00 +3.7% 196.00 TOTAL pgmajfault
0.00 0.00 TOTAL pgrefill_dma
0.00 0.00 TOTAL pgrefill_dma32
0.00 0.00 TOTAL pgrefill_normal
0.00 0.00 TOTAL pgrefill_movable
0.00 0.00 TOTAL pgsteal_dma
0.00 0.00 TOTAL pgsteal_dma32
0.00 0.00 TOTAL pgsteal_normal
0.00 0.00 TOTAL pgsteal_movable
0.00 0.00 TOTAL pgscan_kswapd_dma
0.00 0.00 TOTAL pgscan_kswapd_dma32
0.00 0.00 TOTAL pgscan_kswapd_normal
0.00 0.00 TOTAL pgscan_kswapd_movable
0.00 0.00 TOTAL pgscan_direct_dma
0.00 0.00 TOTAL pgscan_direct_dma32
0.00 0.00 TOTAL pgscan_direct_normal
0.00 0.00 TOTAL pgscan_direct_movable
0.00 0.00 TOTAL zone_reclaim_failed
0.00 0.00 TOTAL pginodesteal
0.00 0.00 TOTAL slabs_scanned
0.00 0.00 TOTAL kswapd_steal
0.00 0.00 TOTAL kswapd_inodesteal
0.00 0.00 TOTAL kswapd_low_wmark_hit_quickly
0.00 0.00 TOTAL kswapd_high_wmark_hit_quickly
0.00 0.00 TOTAL kswapd_skip_congestion_wait
1.00 +0.0% 1.00 TOTAL pageoutrun
0.00 0.00 TOTAL allocstall
0.00 0.00 TOTAL pgrotated
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