| Message ID | 20230725130102.3030032-5-chengming.zhou@linux.dev (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | blk-flush: optimize non-postflush requests | expand |
Looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
Hello,
kernel test robot noticed a -54.7% regression of stress-ng.symlink.ops_per_sec on:
commit: b3afbe4f56ec07dd9cbfd59734fe5bc084f4d307 ("[PATCH v2 4/4] blk-flush: don't need to end rq twice for non postflush")
url: https://github.com/intel-lab-lkp/linux/commits/chengming-zhou-linux-dev/blk-flush-flush_rq-should-inherit-first_rq-s-cmd_flags/20230725-212146
base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git for-next
patch link: https://lore.kernel.org/all/20230725130102.3030032-5-chengming.zhou@linux.dev/
patch subject: [PATCH v2 4/4] blk-flush: don't need to end rq twice for non postflush
testcase: stress-ng
test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-9980XE CPU @ 3.00GHz (Skylake) with 32G memory
parameters:
nr_threads: 10%
disk: 1SSD
testtime: 60s
fs: ext4
class: filesystem
test: symlink
cpufreq_governor: performance
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202308102227.eb19f29a-oliver.sang@intel.com
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20230810/202308102227.eb19f29a-oliver.sang@intel.com
=========================================================================================
class/compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
filesystem/gcc-12/performance/1SSD/ext4/x86_64-rhel-8.3/10%/debian-11.1-x86_64-20220510.cgz/lkp-skl-d08/symlink/stress-ng/60s
commit:
9e046e4b9a ("blk-flush: kill the flush state machine")
b3afbe4f56 ("blk-flush: don't need to end rq twice for non postflush")
9e046e4b9a326538 b3afbe4f56ec07dd9cbfd59734f
---------------- ---------------------------
%stddev %change %stddev
\ | \
81.33 ± 23% +701.4% 651.83 ± 8% perf-c2c.DRAM.local
385.00 ± 24% -60.2% 153.33 ± 18% perf-c2c.HITM.local
12838 ± 9% -83.6% 2111 ± 19% vmstat.io.bo
4894104 ± 2% -25.0% 3672720 ± 4% vmstat.memory.buff
0.03 ± 9% +2.1 2.12 ± 5% mpstat.cpu.all.iowait%
0.05 ± 6% -0.0 0.03 ± 7% mpstat.cpu.all.soft%
1.01 ± 2% -0.4 0.65 ± 5% mpstat.cpu.all.usr%
91.34 -2.4% 89.12 iostat.cpu.idle
0.04 ± 9% +5309.5% 2.10 ± 5% iostat.cpu.iowait
7.60 +6.7% 8.11 iostat.cpu.system
1.02 ± 2% -34.2% 0.67 ± 5% iostat.cpu.user
2.70 ± 7% +2.0 4.75 ± 4% turbostat.C1E%
0.22 ± 3% -43.2% 0.12 ± 6% turbostat.IPC
1.24 ± 63% -100.0% 0.00 turbostat.Pkg%pc2
82.91 -4.1% 79.50 turbostat.PkgWatt
395.50 -54.7% 179.17 ± 6% stress-ng.symlink.ops
6.58 -54.7% 2.98 ± 6% stress-ng.symlink.ops_per_sec
19194 ± 2% -57.0% 8247 ± 8% stress-ng.time.involuntary_context_switches
280.33 +1.7% 285.00 stress-ng.time.percent_of_cpu_this_job_got
157.58 +7.8% 169.80 stress-ng.time.system_time
16.88 -54.6% 7.67 ± 6% stress-ng.time.user_time
4864550 ± 2% -24.0% 3694800 ± 4% meminfo.Active
4805969 ± 2% -24.3% 3637287 ± 4% meminfo.Active(file)
4807385 ± 2% -24.3% 3638747 ± 4% meminfo.Buffers
137311 ± 8% -93.5% 8969 ± 61% meminfo.Dirty
253893 -8.9% 231389 meminfo.KReclaimable
8558145 -13.9% 7368683 ± 2% meminfo.Memused
253893 -8.9% 231389 meminfo.SReclaimable
8560008 -13.9% 7372705 ± 2% meminfo.max_used_kB
1201519 ± 2% -24.3% 909340 ± 4% proc-vmstat.nr_active_file
146816 ± 4% -90.7% 13672 ± 38% proc-vmstat.nr_dirtied
34328 ± 8% -93.5% 2241 ± 61% proc-vmstat.nr_dirty
1918325 -15.2% 1626003 ± 2% proc-vmstat.nr_file_pages
6000925 +5.0% 6298304 proc-vmstat.nr_free_pages
10094 +1.8% 10278 proc-vmstat.nr_mapped
63476 -8.9% 57854 proc-vmstat.nr_slab_reclaimable
25073 -3.4% 24225 proc-vmstat.nr_slab_unreclaimable
101605 ± 6% -86.6% 13660 ± 38% proc-vmstat.nr_written
1201519 ± 2% -24.3% 909340 ± 4% proc-vmstat.nr_zone_active_file
34329 ± 8% -93.5% 2242 ± 61% proc-vmstat.nr_zone_write_pending
2922100 -39.4% 1771460 ± 4% proc-vmstat.numa_hit
2925326 -39.4% 1771382 ± 4% proc-vmstat.numa_local
182296 -37.3% 114290 ± 4% proc-vmstat.pgactivate
3716779 -41.6% 2171212 ± 5% proc-vmstat.pgalloc_normal
1205341 ± 4% -41.5% 705041 ± 5% proc-vmstat.pgfree
852188 ± 10% -83.7% 138853 ± 20% proc-vmstat.pgpgout
0.01 ± 26% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork
0.01 ± 62% -100.0% 0.00 perf-sched.sch_delay.avg.ms.kjournald2.kthread.ret_from_fork.ret_from_fork_asm
0.01 ± 26% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork
0.01 ± 29% -69.0% 0.00 ±101% perf-sched.sch_delay.max.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt
0.01 ± 21% -40.0% 0.01 ± 23% perf-sched.sch_delay.max.ms.io_schedule.bit_wait_io.__wait_on_bit.out_of_line_wait_on_bit
0.01 ± 62% -100.0% 0.00 perf-sched.sch_delay.max.ms.kjournald2.kthread.ret_from_fork.ret_from_fork_asm
0.03 ± 14% +166.0% 0.09 ± 58% perf-sched.sch_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
101.49 ± 7% +59.7% 162.10 ± 17% perf-sched.wait_and_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
2048 ± 3% -33.5% 1363 ± 19% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
0.03 ± 6% +40.8% 0.05 ± 13% perf-sched.wait_time.avg.ms.__cond_resched.__ext4_handle_dirty_metadata.ext4_getblk.ext4_bread.ext4_init_symlink_block
0.05 ± 11% +24.3% 0.06 ± 14% perf-sched.wait_time.avg.ms.__cond_resched.__getblk_gfp.ext4_getblk.ext4_bread.__ext4_read_dirblock
0.03 ± 51% -90.6% 0.00 ±150% perf-sched.wait_time.avg.ms.__cond_resched.down_read.__ext4_new_inode.ext4_symlink.vfs_symlink
5.83 ± 73% -100.0% 0.00 perf-sched.wait_time.avg.ms.__cond_resched.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork
0.03 ± 61% -84.7% 0.01 ±183% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc.security_file_alloc.init_file.alloc_empty_file
5.73 ±140% -99.2% 0.05 ±223% perf-sched.wait_time.avg.ms.io_schedule.bit_wait_io.__wait_on_bit.out_of_line_wait_on_bit
0.70 ± 18% -100.0% 0.00 perf-sched.wait_time.avg.ms.kjournald2.kthread.ret_from_fork.ret_from_fork_asm
101.46 ± 7% +59.7% 162.08 ± 17% perf-sched.wait_time.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
0.04 ± 41% -93.0% 0.00 ±150% perf-sched.wait_time.max.ms.__cond_resched.down_read.__ext4_new_inode.ext4_symlink.vfs_symlink
16.16 ±215% -97.7% 0.38 ± 22% perf-sched.wait_time.max.ms.__cond_resched.dput.path_put.user_statfs.__do_sys_statfs
5.83 ± 73% -100.0% 0.00 perf-sched.wait_time.max.ms.__cond_resched.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork
0.07 ± 82% -90.7% 0.01 ±171% perf-sched.wait_time.max.ms.__cond_resched.kmem_cache_alloc.security_file_alloc.init_file.alloc_empty_file
25.16 ±122% -99.3% 0.16 ±223% perf-sched.wait_time.max.ms.io_schedule.bit_wait_io.__wait_on_bit.out_of_line_wait_on_bit
0.70 ± 18% -100.0% 0.00 perf-sched.wait_time.max.ms.kjournald2.kthread.ret_from_fork.ret_from_fork_asm
9.77 ± 18% +57.5% 15.38 perf-stat.i.MPKI
1.759e+09 -44.0% 9.852e+08 ± 4% perf-stat.i.branch-instructions
20930583 -32.7% 14087563 ± 4% perf-stat.i.branch-misses
10.78 +4.2 14.98 ± 4% perf-stat.i.cache-miss-rate%
8025531 -4.2% 7684648 perf-stat.i.cache-misses
77754557 ± 2% -25.5% 57916998 ± 3% perf-stat.i.cache-references
1.45 ± 8% +173.5% 3.96 ± 5% perf-stat.i.cpi
1.221e+10 +1.7% 1.241e+10 perf-stat.i.cpu-cycles
1592 +8.1% 1721 perf-stat.i.cycles-between-cache-misses
661039 -47.4% 347558 ± 5% perf-stat.i.dTLB-load-misses
2.38e+09 -45.8% 1.289e+09 ± 4% perf-stat.i.dTLB-loads
10275 ± 9% -13.3% 8913 ± 2% perf-stat.i.dTLB-store-misses
1.15e+09 -48.8% 5.892e+08 ± 5% perf-stat.i.dTLB-stores
45.27 ± 3% -14.9 30.42 ± 5% perf-stat.i.iTLB-load-miss-rate%
796188 ± 8% -47.8% 415706 ± 8% perf-stat.i.iTLB-load-misses
929612 ± 3% -10.6% 830862 perf-stat.i.iTLB-loads
9.024e+09 -45.7% 4.902e+09 ± 5% perf-stat.i.instructions
0.75 -45.0% 0.41 ± 4% perf-stat.i.ipc
0.34 +1.7% 0.34 perf-stat.i.metric.GHz
191.07 ± 8% +60.2% 306.12 ± 11% perf-stat.i.metric.K/sec
149.18 -45.7% 81.00 ± 5% perf-stat.i.metric.M/sec
1273025 ± 2% +178.5% 3545558 ± 5% perf-stat.i.node-loads
3427034 ± 2% -43.4% 1939169 ± 5% perf-stat.i.node-stores
8.60 +37.5% 11.82 perf-stat.overall.MPKI
1.19 +0.2 1.43 ± 4% perf-stat.overall.branch-miss-rate%
10.33 +3.0 13.29 ± 4% perf-stat.overall.cache-miss-rate%
1.35 +87.9% 2.54 ± 4% perf-stat.overall.cpi
1520 +6.2% 1614 perf-stat.overall.cycles-between-cache-misses
0.03 -0.0 0.03 perf-stat.overall.dTLB-load-miss-rate%
0.00 ± 11% +0.0 0.00 ± 5% perf-stat.overall.dTLB-store-miss-rate%
46.13 ± 3% -12.8 33.30 ± 5% perf-stat.overall.iTLB-load-miss-rate%
0.74 -46.7% 0.40 ± 5% perf-stat.overall.ipc
1.734e+09 -44.1% 9.699e+08 ± 4% perf-stat.ps.branch-instructions
20610819 -32.7% 13862952 ± 4% perf-stat.ps.branch-misses
7900440 -4.3% 7563578 perf-stat.ps.cache-misses
76460521 ± 2% -25.4% 57007500 ± 3% perf-stat.ps.cache-references
1.201e+10 +1.7% 1.221e+10 perf-stat.ps.cpu-cycles
652055 -47.5% 342193 ± 5% perf-stat.ps.dTLB-load-misses
2.347e+09 -45.9% 1.269e+09 ± 4% perf-stat.ps.dTLB-loads
10120 ± 9% -13.3% 8770 ± 2% perf-stat.ps.dTLB-store-misses
1.134e+09 -48.8% 5.801e+08 ± 5% perf-stat.ps.dTLB-stores
785838 ± 8% -47.9% 409304 ± 8% perf-stat.ps.iTLB-load-misses
915395 ± 3% -10.7% 817774 perf-stat.ps.iTLB-loads
8.896e+09 -45.8% 4.826e+09 ± 5% perf-stat.ps.instructions
1253851 ± 2% +178.3% 3488888 ± 5% perf-stat.ps.node-loads
3362358 ± 2% -43.2% 1909414 ± 5% perf-stat.ps.node-stores
5.702e+11 -46.4% 3.056e+11 ± 4% perf-stat.total.instructions
18.41 ± 6% -11.3 7.13 ± 37% perf-profile.calltrace.cycles-pp.unlink
18.05 ± 6% -11.0 7.05 ± 38% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.unlink
17.92 ± 6% -10.9 7.02 ± 38% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink
17.61 ± 6% -10.7 6.94 ± 38% perf-profile.calltrace.cycles-pp.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink
17.45 ± 6% -10.5 6.90 ± 39% perf-profile.calltrace.cycles-pp.do_unlinkat.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink
12.32 ± 8% -6.7 5.61 ± 48% perf-profile.calltrace.cycles-pp.evict.do_unlinkat.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe
8.70 ± 5% -6.6 2.05 ± 14% perf-profile.calltrace.cycles-pp.__statfs
12.06 ± 8% -6.5 5.56 ± 49% perf-profile.calltrace.cycles-pp.ext4_evict_inode.evict.do_unlinkat.__x64_sys_unlink.do_syscall_64
7.28 ± 5% -5.5 1.74 ± 14% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__statfs
6.78 ± 5% -5.2 1.62 ± 13% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__statfs
6.90 ± 5% -5.1 1.79 ± 14% perf-profile.calltrace.cycles-pp.ext4_map_blocks.ext4_getblk.ext4_bread.ext4_init_symlink_block.ext4_symlink
6.55 ± 5% -4.8 1.72 ± 14% perf-profile.calltrace.cycles-pp.ext4_ext_map_blocks.ext4_map_blocks.ext4_getblk.ext4_bread.ext4_init_symlink_block
5.91 ± 5% -4.5 1.40 ± 14% perf-profile.calltrace.cycles-pp.__do_sys_statfs.do_syscall_64.entry_SYSCALL_64_after_hwframe.__statfs
5.69 ± 5% -4.3 1.35 ± 14% perf-profile.calltrace.cycles-pp.user_statfs.__do_sys_statfs.do_syscall_64.entry_SYSCALL_64_after_hwframe.__statfs
5.46 ± 5% -4.0 1.44 ± 14% perf-profile.calltrace.cycles-pp.ext4_mb_new_blocks.ext4_ext_map_blocks.ext4_map_blocks.ext4_getblk.ext4_bread
4.23 ± 5% -3.2 1.06 ± 10% perf-profile.calltrace.cycles-pp.vfs_unlink.do_unlinkat.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe
3.96 ± 6% -3.0 0.94 ± 12% perf-profile.calltrace.cycles-pp.statfs_by_dentry.user_statfs.__do_sys_statfs.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.16 ± 5% -3.0 1.14 ± 5% perf-profile.calltrace.cycles-pp.ext4_add_nondir.ext4_symlink.vfs_symlink.do_symlinkat.__x64_sys_symlink
3.98 ± 5% -3.0 1.00 ± 11% perf-profile.calltrace.cycles-pp.ext4_unlink.vfs_unlink.do_unlinkat.__x64_sys_unlink.do_syscall_64
3.95 ± 5% -3.0 0.99 ± 11% perf-profile.calltrace.cycles-pp.__ext4_unlink.ext4_unlink.vfs_unlink.do_unlinkat.__x64_sys_unlink
3.87 ± 6% -3.0 0.92 ± 13% perf-profile.calltrace.cycles-pp.ext4_statfs.statfs_by_dentry.user_statfs.__do_sys_statfs.do_syscall_64
3.50 ± 6% -2.7 0.83 ± 12% perf-profile.calltrace.cycles-pp.__percpu_counter_sum.ext4_statfs.statfs_by_dentry.user_statfs.__do_sys_statfs
3.57 ± 5% -2.6 0.99 ± 5% perf-profile.calltrace.cycles-pp.ext4_add_entry.ext4_add_nondir.ext4_symlink.vfs_symlink.do_symlinkat
3.45 ± 5% -2.5 0.96 ± 5% perf-profile.calltrace.cycles-pp.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir.ext4_symlink.vfs_symlink
3.36 ± 5% -2.4 0.97 ± 14% perf-profile.calltrace.cycles-pp.ext4_mb_regular_allocator.ext4_mb_new_blocks.ext4_ext_map_blocks.ext4_map_blocks.ext4_getblk
3.13 ± 5% -2.3 0.78 ± 11% perf-profile.calltrace.cycles-pp.__ext4_new_inode.ext4_symlink.vfs_symlink.do_symlinkat.__x64_sys_symlink
2.53 ± 6% -1.9 0.65 ± 10% perf-profile.calltrace.cycles-pp.ext4_mb_clear_bb.ext4_remove_blocks.ext4_ext_rm_leaf.ext4_ext_remove_space.ext4_ext_truncate
2.48 ± 4% -1.8 0.65 ± 5% perf-profile.calltrace.cycles-pp.add_dirent_to_buf.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir.ext4_symlink
1.92 ± 5% -1.6 0.35 ± 70% perf-profile.calltrace.cycles-pp.ext4_mb_complex_scan_group.ext4_mb_regular_allocator.ext4_mb_new_blocks.ext4_ext_map_blocks.ext4_map_blocks
36.63 ± 5% +23.9 60.51 ± 5% perf-profile.calltrace.cycles-pp.symlink
36.25 ± 5% +24.2 60.42 ± 5% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.symlink
36.12 ± 5% +24.3 60.40 ± 5% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.symlink
35.81 ± 5% +24.5 60.32 ± 5% perf-profile.calltrace.cycles-pp.__x64_sys_symlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.symlink
35.53 ± 5% +24.7 60.24 ± 5% perf-profile.calltrace.cycles-pp.do_symlinkat.__x64_sys_symlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.symlink
34.80 ± 5% +25.3 60.07 ± 5% perf-profile.calltrace.cycles-pp.vfs_symlink.do_symlinkat.__x64_sys_symlink.do_syscall_64.entry_SYSCALL_64_after_hwframe
34.73 ± 5% +25.3 60.06 ± 5% perf-profile.calltrace.cycles-pp.ext4_symlink.vfs_symlink.do_symlinkat.__x64_sys_symlink.do_syscall_64
4.32 ± 22% +28.7 32.98 ± 8% perf-profile.calltrace.cycles-pp._raw_spin_lock.find_revoke_record.jbd2_journal_cancel_revoke.jbd2_journal_get_create_access.__ext4_journal_get_create_access
4.29 ± 22% +28.7 32.97 ± 8% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.find_revoke_record.jbd2_journal_cancel_revoke.jbd2_journal_get_create_access
27.14 ± 6% +30.9 58.06 ± 5% perf-profile.calltrace.cycles-pp.ext4_init_symlink_block.ext4_symlink.vfs_symlink.do_symlinkat.__x64_sys_symlink
27.08 ± 6% +31.0 58.05 ± 5% perf-profile.calltrace.cycles-pp.ext4_bread.ext4_init_symlink_block.ext4_symlink.vfs_symlink.do_symlinkat
27.08 ± 6% +31.0 58.04 ± 5% perf-profile.calltrace.cycles-pp.ext4_getblk.ext4_bread.ext4_init_symlink_block.ext4_symlink.vfs_symlink
18.24 ± 8% +37.4 55.63 ± 5% perf-profile.calltrace.cycles-pp.__ext4_journal_get_create_access.ext4_getblk.ext4_bread.ext4_init_symlink_block.ext4_symlink
18.24 ± 8% +37.4 55.63 ± 5% perf-profile.calltrace.cycles-pp.jbd2_journal_get_create_access.__ext4_journal_get_create_access.ext4_getblk.ext4_bread.ext4_init_symlink_block
17.96 ± 8% +37.6 55.56 ± 5% perf-profile.calltrace.cycles-pp.jbd2_journal_cancel_revoke.jbd2_journal_get_create_access.__ext4_journal_get_create_access.ext4_getblk.ext4_bread
17.84 ± 8% +37.7 55.53 ± 5% perf-profile.calltrace.cycles-pp.find_revoke_record.jbd2_journal_cancel_revoke.jbd2_journal_get_create_access.__ext4_journal_get_create_access.ext4_getblk
18.44 ± 6% -11.3 7.14 ± 37% perf-profile.children.cycles-pp.unlink
17.61 ± 6% -10.7 6.94 ± 38% perf-profile.children.cycles-pp.__x64_sys_unlink
17.46 ± 6% -10.6 6.90 ± 39% perf-profile.children.cycles-pp.do_unlinkat
12.32 ± 8% -6.7 5.61 ± 48% perf-profile.children.cycles-pp.evict
8.76 ± 5% -6.7 2.06 ± 14% perf-profile.children.cycles-pp.__statfs
12.07 ± 8% -6.5 5.56 ± 49% perf-profile.children.cycles-pp.ext4_evict_inode
7.58 ± 5% -5.6 1.97 ± 13% perf-profile.children.cycles-pp.ext4_map_blocks
7.08 ± 4% -5.3 1.77 ± 9% perf-profile.children.cycles-pp.__ext4_mark_inode_dirty
6.56 ± 5% -4.8 1.72 ± 14% perf-profile.children.cycles-pp.ext4_ext_map_blocks
5.91 ± 5% -4.5 1.40 ± 14% perf-profile.children.cycles-pp.__do_sys_statfs
5.92 ± 4% -4.4 1.49 ± 9% perf-profile.children.cycles-pp.ext4_mark_iloc_dirty
5.69 ± 5% -4.3 1.35 ± 14% perf-profile.children.cycles-pp.user_statfs
5.43 ± 3% -4.1 1.35 ± 10% perf-profile.children.cycles-pp.ext4_do_update_inode
5.46 ± 5% -4.0 1.45 ± 14% perf-profile.children.cycles-pp.ext4_mb_new_blocks
4.23 ± 5% -3.2 1.06 ± 10% perf-profile.children.cycles-pp.vfs_unlink
4.10 ± 5% -3.0 1.06 ± 12% perf-profile.children.cycles-pp.crc32c_pcl_intel_update
3.96 ± 6% -3.0 0.94 ± 12% perf-profile.children.cycles-pp.statfs_by_dentry
4.16 ± 5% -3.0 1.14 ± 5% perf-profile.children.cycles-pp.ext4_add_nondir
3.98 ± 5% -3.0 1.00 ± 11% perf-profile.children.cycles-pp.ext4_unlink
3.96 ± 5% -3.0 0.99 ± 11% perf-profile.children.cycles-pp.__ext4_unlink
3.88 ± 6% -3.0 0.92 ± 13% perf-profile.children.cycles-pp.ext4_statfs
3.96 ± 3% -3.0 1.00 ± 11% perf-profile.children.cycles-pp.ext4_fill_raw_inode
3.64 ± 6% -2.8 0.86 ± 13% perf-profile.children.cycles-pp.__percpu_counter_sum
3.57 ± 5% -2.6 0.99 ± 5% perf-profile.children.cycles-pp.ext4_add_entry
3.45 ± 5% -2.5 0.96 ± 5% perf-profile.children.cycles-pp.ext4_dx_add_entry
3.36 ± 5% -2.4 0.97 ± 14% perf-profile.children.cycles-pp.ext4_mb_regular_allocator
3.14 ± 5% -2.4 0.78 ± 11% perf-profile.children.cycles-pp.__ext4_new_inode
2.85 ± 3% -2.1 0.70 ± 13% perf-profile.children.cycles-pp.ext4_inode_csum_set
2.75 ± 4% -2.1 0.64 ± 8% perf-profile.children.cycles-pp.__find_get_block
2.68 ± 3% -2.0 0.66 ± 13% perf-profile.children.cycles-pp.ext4_inode_csum
2.64 ± 7% -1.9 0.72 ± 7% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
2.54 ± 7% -1.9 0.65 ± 10% perf-profile.children.cycles-pp.ext4_mb_clear_bb
2.54 ± 5% -1.9 0.66 ± 12% perf-profile.children.cycles-pp.syscall_return_via_sysret
2.48 ± 4% -1.8 0.65 ± 5% perf-profile.children.cycles-pp.add_dirent_to_buf
2.42 ± 5% -1.8 0.61 ± 14% perf-profile.children.cycles-pp.ext4_reserve_inode_write
2.29 ± 6% -1.7 0.56 ± 16% perf-profile.children.cycles-pp.user_path_at_empty
2.32 ± 4% -1.7 0.63 ± 7% perf-profile.children.cycles-pp.__filemap_get_folio
1.92 ± 5% -1.4 0.49 ± 12% perf-profile.children.cycles-pp.ext4_mb_complex_scan_group
1.82 ± 4% -1.3 0.47 ± 10% perf-profile.children.cycles-pp.open64
1.71 ± 6% -1.3 0.44 ± 10% perf-profile.children.cycles-pp.do_readlinkat
1.63 ± 8% -1.2 0.40 ± 15% perf-profile.children.cycles-pp.filename_lookup
1.66 ± 7% -1.2 0.44 ± 11% perf-profile.children.cycles-pp.readlinkat
1.66 ± 7% -1.2 0.44 ± 9% perf-profile.children.cycles-pp.crc_pcl
1.60 ± 3% -1.2 0.38 ± 3% perf-profile.children.cycles-pp.filemap_get_entry
1.57 ± 6% -1.2 0.36 ± 11% perf-profile.children.cycles-pp.syscall
1.58 ± 3% -1.2 0.40 ± 7% perf-profile.children.cycles-pp.ext4_find_dest_de
1.63 ± 6% -1.2 0.46 ± 9% perf-profile.children.cycles-pp.__getblk_gfp
1.29 ± 15% -1.1 0.14 ± 22% perf-profile.children.cycles-pp.ret_from_fork_asm
1.29 ± 15% -1.1 0.14 ± 22% perf-profile.children.cycles-pp.ret_from_fork
1.29 ± 15% -1.1 0.14 ± 22% perf-profile.children.cycles-pp.kthread
1.48 ± 8% -1.1 0.36 ± 16% perf-profile.children.cycles-pp.path_lookupat
1.49 ± 5% -1.1 0.38 ± 14% perf-profile.children.cycles-pp.getname_flags
1.41 ± 5% -1.0 0.36 ± 13% perf-profile.children.cycles-pp.__lxstat64
1.42 ± 4% -1.0 0.37 ± 15% perf-profile.children.cycles-pp.ext4_get_inode_loc
1.37 ± 4% -1.0 0.36 ± 15% perf-profile.children.cycles-pp.__ext4_get_inode_loc
1.27 ± 8% -1.0 0.30 ± 20% perf-profile.children.cycles-pp.__ext4_journal_get_write_access
1.29 ± 7% -1.0 0.32 ± 13% perf-profile.children.cycles-pp.__mark_inode_dirty
1.26 ± 5% -0.9 0.31 ± 15% perf-profile.children.cycles-pp.__entry_text_start
1.28 ± 7% -0.9 0.38 ± 12% perf-profile.children.cycles-pp.__ext4_read_dirblock
1.24 ± 4% -0.9 0.35 ± 10% perf-profile.children.cycles-pp._find_next_bit
1.16 ± 9% -0.9 0.30 ± 10% perf-profile.children.cycles-pp.ext4_orphan_del
1.12 ± 6% -0.9 0.27 ± 10% perf-profile.children.cycles-pp.__close
1.09 ± 2% -0.8 0.30 ± 9% perf-profile.children.cycles-pp.__x64_sys_openat
1.05 ± 9% -0.8 0.26 ± 14% perf-profile.children.cycles-pp.ext4_orphan_add
1.02 ± 7% -0.8 0.24 ± 13% perf-profile.children.cycles-pp.ext4_mb_mark_diskspace_used
1.07 -0.8 0.29 ± 8% perf-profile.children.cycles-pp.do_sys_openat2
1.03 ± 8% -0.8 0.26 ± 13% perf-profile.children.cycles-pp.ext4_dirty_inode
0.99 ± 5% -0.7 0.26 ± 10% perf-profile.children.cycles-pp.kmem_cache_alloc
0.96 ± 6% -0.7 0.24 ± 16% perf-profile.children.cycles-pp.strncpy_from_user
1.09 ± 6% -0.7 0.37 ± 11% perf-profile.children.cycles-pp.__getblk_slow
0.92 ± 9% -0.7 0.22 ± 17% perf-profile.children.cycles-pp.__ext4_find_entry
0.88 ± 7% -0.7 0.21 ± 16% perf-profile.children.cycles-pp.ext4_dx_find_entry
0.89 ± 10% -0.7 0.22 ± 15% perf-profile.children.cycles-pp._find_next_or_bit
0.91 ± 5% -0.6 0.26 ± 9% perf-profile.children.cycles-pp.__x64_sys_readlinkat
0.84 ± 7% -0.6 0.19 ± 12% perf-profile.children.cycles-pp.__x64_sys_readlink
0.86 ± 7% -0.6 0.22 ± 9% perf-profile.children.cycles-pp.__ext4_handle_dirty_metadata
0.89 ± 8% -0.6 0.26 ± 18% perf-profile.children.cycles-pp.ext4_block_bitmap_csum_set
0.84 ± 6% -0.6 0.22 ± 15% perf-profile.children.cycles-pp.link_path_walk
0.80 ± 4% -0.6 0.20 ± 6% perf-profile.children.cycles-pp.xas_load
0.81 ± 2% -0.6 0.21 ± 12% perf-profile.children.cycles-pp.do_filp_open
0.77 ± 3% -0.6 0.20 ± 12% perf-profile.children.cycles-pp.path_openat
0.74 ± 7% -0.6 0.18 ± 11% perf-profile.children.cycles-pp.ext4_free_inode
0.70 ± 9% -0.6 0.14 ± 21% perf-profile.children.cycles-pp.jbd2__journal_start
0.77 ± 7% -0.6 0.21 ± 8% perf-profile.children.cycles-pp.dx_probe
0.69 ± 7% -0.5 0.15 ± 18% perf-profile.children.cycles-pp.complete_walk
0.71 ± 4% -0.5 0.18 ± 13% perf-profile.children.cycles-pp.__check_object_size
0.69 ± 8% -0.5 0.18 ± 15% perf-profile.children.cycles-pp.__do_sys_newlstat
0.64 ± 8% -0.5 0.14 ± 18% perf-profile.children.cycles-pp.try_to_unlazy
0.64 ± 5% -0.5 0.15 ± 10% perf-profile.children.cycles-pp.vfs_readlink
0.77 ± 12% -0.5 0.31 ± 13% perf-profile.children.cycles-pp.__do_softirq
0.66 ± 7% -0.5 0.19 ± 10% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
0.64 ± 3% -0.5 0.18 ± 19% perf-profile.children.cycles-pp.ext4_handle_dirty_dirblock
0.59 ± 8% -0.5 0.13 ± 13% perf-profile.children.cycles-pp.filename_create
0.63 ± 8% -0.5 0.18 ± 12% perf-profile.children.cycles-pp.new_inode
0.57 ± 9% -0.4 0.13 ± 18% perf-profile.children.cycles-pp.__legitimize_path
0.60 ± 9% -0.4 0.16 ± 12% perf-profile.children.cycles-pp.vfs_fstatat
0.55 ± 7% -0.4 0.13 ± 15% perf-profile.children.cycles-pp.__cond_resched
0.58 ± 14% -0.4 0.16 ± 18% perf-profile.children.cycles-pp.rcu_core
0.54 ± 10% -0.4 0.13 ± 12% perf-profile.children.cycles-pp.ext4_es_remove_extent
0.51 ± 8% -0.4 0.10 ± 21% perf-profile.children.cycles-pp.start_this_handle
0.55 ± 8% -0.4 0.14 ± 12% perf-profile.children.cycles-pp.ext4_mb_load_buddy_gfp
0.52 ± 6% -0.4 0.13 ± 23% perf-profile.children.cycles-pp.lookup_one_qstr_excl
0.48 ± 3% -0.4 0.09 ± 22% perf-profile.children.cycles-pp.percpu_counter_add_batch
0.53 ± 9% -0.4 0.14 ± 14% perf-profile.children.cycles-pp.__ext4_journal_stop
0.55 ± 8% -0.4 0.16 ± 13% perf-profile.children.cycles-pp.alloc_inode
0.52 ± 7% -0.4 0.13 ± 23% perf-profile.children.cycles-pp.lookup_dcache
0.51 ± 9% -0.4 0.12 ± 10% perf-profile.children.cycles-pp.__es_remove_extent
0.51 ± 8% -0.4 0.12 ± 14% perf-profile.children.cycles-pp.__filename_parentat
0.54 ± 15% -0.4 0.15 ± 17% perf-profile.children.cycles-pp.rcu_do_batch
0.51 ± 6% -0.4 0.13 ± 23% perf-profile.children.cycles-pp.d_lookup
0.51 ± 6% -0.4 0.13 ± 23% perf-profile.children.cycles-pp.__d_lookup
0.50 ± 10% -0.4 0.12 ± 17% perf-profile.children.cycles-pp.ext4_ext_insert_extent
0.46 ± 3% -0.4 0.10 ± 11% perf-profile.children.cycles-pp.__ext4_check_dir_entry
0.47 ± 8% -0.4 0.11 ± 16% perf-profile.children.cycles-pp.exit_to_user_mode_prepare
0.49 ± 10% -0.4 0.14 ± 17% perf-profile.children.cycles-pp.ext4_alloc_inode
0.48 ± 9% -0.4 0.13 ± 14% perf-profile.children.cycles-pp.jbd2_journal_stop
0.48 ± 10% -0.3 0.13 ± 8% perf-profile.children.cycles-pp.ext4_es_lookup_extent
0.44 ± 9% -0.3 0.10 ± 17% perf-profile.children.cycles-pp.path_parentat
0.45 ± 6% -0.3 0.11 ± 18% perf-profile.children.cycles-pp.kmem_cache_free
0.42 ± 8% -0.3 0.08 ± 22% perf-profile.children.cycles-pp.jbd2_journal_revoke
0.47 ± 4% -0.3 0.14 ± 25% perf-profile.children.cycles-pp.jbd2_journal_get_write_access
0.46 ± 9% -0.3 0.13 ± 12% perf-profile.children.cycles-pp.pagecache_get_page
0.44 ± 6% -0.3 0.12 ± 14% perf-profile.children.cycles-pp.ext4_delete_entry
0.42 ± 13% -0.3 0.09 ± 11% perf-profile.children.cycles-pp._raw_read_lock
0.44 ± 10% -0.3 0.12 ± 14% perf-profile.children.cycles-pp.vfs_statx
0.42 ± 8% -0.3 0.11 ± 16% perf-profile.children.cycles-pp.jbd2_journal_dirty_metadata
0.43 ± 11% -0.3 0.12 ± 11% perf-profile.children.cycles-pp.kmem_cache_alloc_lru
0.41 ± 4% -0.3 0.10 ± 18% perf-profile.children.cycles-pp.check_heap_object
0.41 ± 10% -0.3 0.10 ± 13% perf-profile.children.cycles-pp.xas_descend
0.39 ± 10% -0.3 0.09 ± 12% perf-profile.children.cycles-pp.__brelse
0.37 ± 8% -0.3 0.08 ± 19% perf-profile.children.cycles-pp.ext4_es_insert_extent
0.40 ± 11% -0.3 0.12 ± 23% perf-profile.children.cycles-pp.smpboot_thread_fn
0.39 ± 8% -0.3 0.10 ± 16% perf-profile.children.cycles-pp.fscrypt_match_name
0.36 ± 7% -0.3 0.08 ± 22% perf-profile.children.cycles-pp.dput
0.38 ± 12% -0.3 0.11 ± 22% perf-profile.children.cycles-pp.run_ksoftirqd
0.36 ± 7% -0.3 0.09 ± 23% perf-profile.children.cycles-pp.ext4_group_desc_csum_set
0.36 ± 8% -0.3 0.09 ± 21% perf-profile.children.cycles-pp.mb_find_extent
0.36 ± 16% -0.3 0.09 ± 24% perf-profile.children.cycles-pp.lockref_get_not_dead
0.35 ± 9% -0.3 0.08 ± 16% perf-profile.children.cycles-pp.ext4_get_link
0.34 ± 7% -0.3 0.08 ± 23% perf-profile.children.cycles-pp.ext4_group_desc_csum
0.30 ± 8% -0.3 0.05 ± 48% perf-profile.children.cycles-pp.ext4_get_group_desc
0.34 ± 12% -0.2 0.10 ± 21% perf-profile.children.cycles-pp.inode_permission
0.36 ± 6% -0.2 0.11 ± 26% perf-profile.children.cycles-pp.jbd2_write_access_granted
0.30 ± 6% -0.2 0.06 ± 51% perf-profile.children.cycles-pp.jbd2_journal_forget
0.32 ± 7% -0.2 0.08 ± 20% perf-profile.children.cycles-pp.__slab_free
0.31 ± 6% -0.2 0.08 ± 20% perf-profile.children.cycles-pp._IO_default_xsputn
0.31 ± 10% -0.2 0.08 ± 19% perf-profile.children.cycles-pp.alloc_empty_file
0.29 ± 11% -0.2 0.06 ± 15% perf-profile.children.cycles-pp.__es_insert_extent
0.31 ± 8% -0.2 0.08 ± 14% perf-profile.children.cycles-pp.mb_find_order_for_block
0.32 ± 2% -0.2 0.09 ± 10% perf-profile.children.cycles-pp.memset_orig
0.31 ± 13% -0.2 0.09 ± 32% perf-profile.children.cycles-pp._raw_spin_trylock
0.34 ± 11% -0.2 0.13 ± 11% perf-profile.children.cycles-pp.filemap_add_folio
0.27 ± 5% -0.2 0.06 ± 11% perf-profile.children.cycles-pp.crypto_shash_update
0.25 ± 13% -0.2 0.04 ± 71% perf-profile.children.cycles-pp.path_init
0.29 ± 9% -0.2 0.08 ± 11% perf-profile.children.cycles-pp.___slab_alloc
0.24 ± 8% -0.2 0.03 ±101% perf-profile.children.cycles-pp.path_put
0.26 ± 11% -0.2 0.06 ± 17% perf-profile.children.cycles-pp.exit_to_user_mode_loop
0.44 ± 13% -0.2 0.25 ± 12% perf-profile.children.cycles-pp.__irq_exit_rcu
0.25 ± 10% -0.2 0.06 ± 47% perf-profile.children.cycles-pp.ext4_read_block_bitmap
0.28 ± 11% -0.2 0.08 ± 22% perf-profile.children.cycles-pp.ext4_mb_free_metadata
0.23 ± 18% -0.2 0.04 ± 72% perf-profile.children.cycles-pp.ext4_inode_bitmap_csum_set
0.29 ± 13% -0.2 0.10 ± 40% perf-profile.children.cycles-pp.ext4_mb_prefetch
0.22 ± 6% -0.2 0.03 ±105% perf-profile.children.cycles-pp.lockref_put_return
0.22 ± 12% -0.2 0.04 ± 72% perf-profile.children.cycles-pp.task_work_run
0.24 ± 10% -0.2 0.06 ± 47% perf-profile.children.cycles-pp.ext4_read_block_bitmap_nowait
0.21 ± 9% -0.2 0.03 ±100% perf-profile.children.cycles-pp.ext4_es_free_extent
0.22 ± 10% -0.2 0.04 ± 72% perf-profile.children.cycles-pp.__check_block_validity
0.22 ± 13% -0.2 0.04 ± 77% perf-profile.children.cycles-pp.generic_permission
0.24 ± 8% -0.2 0.07 ± 20% perf-profile.children.cycles-pp.ext4_sb_block_valid
0.24 ± 4% -0.2 0.07 ± 17% perf-profile.children.cycles-pp.__virt_addr_valid
0.24 ± 14% -0.2 0.07 ± 14% perf-profile.children.cycles-pp.allocate_slab
0.20 ± 9% -0.2 0.02 ± 99% perf-profile.children.cycles-pp.__check_heap_object
0.20 ± 14% -0.2 0.03 ±102% perf-profile.children.cycles-pp.walk_component
0.25 ± 10% -0.2 0.08 ± 22% perf-profile.children.cycles-pp.ext4_get_group_info
0.23 ± 11% -0.2 0.06 ± 14% perf-profile.children.cycles-pp.do_open
0.22 ± 9% -0.2 0.06 ± 13% perf-profile.children.cycles-pp.ext4_mb_use_best_found
0.22 ± 9% -0.2 0.06 ± 46% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
0.22 ± 11% -0.2 0.06 ± 15% perf-profile.children.cycles-pp.readlink_copy
0.21 ± 10% -0.2 0.04 ± 45% perf-profile.children.cycles-pp.__ext4fs_dirhash
0.25 ± 11% -0.2 0.10 ± 11% perf-profile.children.cycles-pp.__filemap_add_folio
0.20 ± 9% -0.2 0.04 ± 45% perf-profile.children.cycles-pp.ext4_mb_prefetch_fini
0.20 ± 18% -0.2 0.05 ± 46% perf-profile.children.cycles-pp.shuffle_freelist
0.22 ± 11% -0.2 0.07 ± 21% perf-profile.children.cycles-pp.folio_mark_accessed
0.19 ± 16% -0.1 0.04 ± 45% perf-profile.children.cycles-pp.__list_del_entry_valid
0.20 ± 12% -0.1 0.06 ± 19% perf-profile.children.cycles-pp._copy_to_user
0.19 ± 3% -0.1 0.05 ± 46% perf-profile.children.cycles-pp.__jbd2_journal_file_buffer
0.18 ± 18% -0.1 0.04 ± 45% perf-profile.children.cycles-pp.setup_object
0.17 ± 15% -0.1 0.05 ± 46% perf-profile.children.cycles-pp.ext4_fc_init_inode
0.16 ± 10% -0.1 0.04 ± 45% perf-profile.children.cycles-pp.memcg_slab_post_alloc_hook
0.16 ± 13% -0.1 0.05 ± 75% perf-profile.children.cycles-pp.folio_alloc
0.17 ± 13% -0.1 0.06 ± 53% perf-profile.children.cycles-pp.__alloc_pages
0.13 ± 19% -0.1 0.03 ±103% perf-profile.children.cycles-pp.get_page_from_freelist
0.27 ± 12% -0.1 0.18 ± 17% perf-profile.children.cycles-pp.ext4_mb_find_good_group_avg_frag_lists
0.12 ± 8% -0.1 0.04 ± 73% perf-profile.children.cycles-pp.touch_atime
0.11 ± 14% -0.1 0.04 ± 72% perf-profile.children.cycles-pp._raw_spin_lock_irq
36.65 ± 5% +23.9 60.52 ± 5% perf-profile.children.cycles-pp.symlink
35.81 ± 5% +24.5 60.32 ± 5% perf-profile.children.cycles-pp.__x64_sys_symlink
35.54 ± 5% +24.7 60.24 ± 5% perf-profile.children.cycles-pp.do_symlinkat
34.80 ± 5% +25.3 60.07 ± 5% perf-profile.children.cycles-pp.vfs_symlink
34.73 ± 5% +25.3 60.06 ± 5% perf-profile.children.cycles-pp.ext4_symlink
8.16 ± 6% +28.3 36.49 ± 4% perf-profile.children.cycles-pp._raw_spin_lock
6.76 ± 6% +29.4 36.14 ± 4% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
28.56 ± 6% +29.9 58.46 ± 5% perf-profile.children.cycles-pp.ext4_bread
28.54 ± 6% +29.9 58.46 ± 5% perf-profile.children.cycles-pp.ext4_getblk
27.14 ± 6% +30.9 58.06 ± 5% perf-profile.children.cycles-pp.ext4_init_symlink_block
18.24 ± 8% +37.4 55.63 ± 5% perf-profile.children.cycles-pp.__ext4_journal_get_create_access
18.24 ± 8% +37.4 55.63 ± 5% perf-profile.children.cycles-pp.jbd2_journal_get_create_access
17.96 ± 8% +37.6 55.56 ± 5% perf-profile.children.cycles-pp.jbd2_journal_cancel_revoke
17.85 ± 8% +37.7 55.53 ± 5% perf-profile.children.cycles-pp.find_revoke_record
2.53 ± 5% -1.9 0.66 ± 12% perf-profile.self.cycles-pp.syscall_return_via_sysret
2.23 ± 5% -1.7 0.54 ± 15% perf-profile.self.cycles-pp.__percpu_counter_sum
2.19 ± 4% -1.6 0.56 ± 13% perf-profile.self.cycles-pp.crc32c_pcl_intel_update
2.15 ± 7% -1.5 0.60 ± 8% perf-profile.self.cycles-pp.syscall_exit_to_user_mode
1.64 ± 7% -1.2 0.44 ± 9% perf-profile.self.cycles-pp.crc_pcl
1.47 ± 4% -1.1 0.40 ± 15% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
1.41 ± 8% -1.0 0.36 ± 8% perf-profile.self.cycles-pp._raw_spin_lock
1.28 ± 6% -1.0 0.30 ± 15% perf-profile.self.cycles-pp.__find_get_block
1.24 ± 4% -0.9 0.35 ± 11% perf-profile.self.cycles-pp._find_next_bit
1.10 ± 5% -0.8 0.27 ± 16% perf-profile.self.cycles-pp.__entry_text_start
0.96 ± 5% -0.7 0.26 ± 13% perf-profile.self.cycles-pp.ext4_fill_raw_inode
0.82 ± 6% -0.6 0.19 ± 11% perf-profile.self.cycles-pp.filemap_get_entry
0.76 ± 9% -0.6 0.18 ± 17% perf-profile.self.cycles-pp._find_next_or_bit
0.76 ± 4% -0.6 0.20 ± 11% perf-profile.self.cycles-pp.ext4_find_dest_de
0.66 ± 6% -0.5 0.17 ± 16% perf-profile.self.cycles-pp.__ext4_get_inode_loc
0.60 ± 5% -0.5 0.14 ± 3% perf-profile.self.cycles-pp.kmem_cache_alloc
0.62 ± 8% -0.4 0.18 ± 10% perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.53 ± 8% -0.4 0.12 ± 17% perf-profile.self.cycles-pp.ext4_inode_csum
0.46 ± 3% -0.4 0.08 ± 21% perf-profile.self.cycles-pp.percpu_counter_add_batch
0.46 ± 3% -0.4 0.10 ± 11% perf-profile.self.cycles-pp.__ext4_check_dir_entry
0.47 ± 13% -0.4 0.10 ± 18% perf-profile.self.cycles-pp.__ext4_journal_get_write_access
0.47 ± 8% -0.4 0.12 ± 22% perf-profile.self.cycles-pp.ext4_do_update_inode
0.41 ± 12% -0.3 0.09 ± 10% perf-profile.self.cycles-pp._raw_read_lock
0.38 ± 9% -0.3 0.08 ± 14% perf-profile.self.cycles-pp.__brelse
0.39 ± 9% -0.3 0.10 ± 27% perf-profile.self.cycles-pp.__d_lookup
0.38 ± 11% -0.3 0.10 ± 12% perf-profile.self.cycles-pp.xas_descend
0.37 ± 10% -0.3 0.09 ± 14% perf-profile.self.cycles-pp.link_path_walk
0.37 ± 4% -0.3 0.10 ± 18% perf-profile.self.cycles-pp.kmem_cache_free
0.36 ± 11% -0.3 0.08 ± 18% perf-profile.self.cycles-pp.__cond_resched
0.37 ± 9% -0.3 0.11 ± 9% perf-profile.self.cycles-pp.ext4_mark_iloc_dirty
0.35 ± 15% -0.3 0.09 ± 24% perf-profile.self.cycles-pp.lockref_get_not_dead
0.34 ± 9% -0.3 0.09 ± 22% perf-profile.self.cycles-pp.strncpy_from_user
0.30 ± 8% -0.2 0.05 ± 48% perf-profile.self.cycles-pp.ext4_get_group_desc
0.34 ± 11% -0.2 0.10 ± 21% perf-profile.self.cycles-pp.__ext4_handle_dirty_metadata
0.34 ± 6% -0.2 0.10 ± 28% perf-profile.self.cycles-pp.jbd2_write_access_granted
0.32 ± 7% -0.2 0.08 ± 20% perf-profile.self.cycles-pp.__slab_free
0.31 ± 4% -0.2 0.08 ± 15% perf-profile.self.cycles-pp.xas_load
0.31 ± 6% -0.2 0.08 ± 20% perf-profile.self.cycles-pp._IO_default_xsputn
0.32 ± 2% -0.2 0.09 ± 10% perf-profile.self.cycles-pp.memset_orig
0.31 ± 7% -0.2 0.08 ± 14% perf-profile.self.cycles-pp.mb_find_order_for_block
0.31 ± 14% -0.2 0.09 ± 32% perf-profile.self.cycles-pp._raw_spin_trylock
0.25 ± 11% -0.2 0.04 ± 73% perf-profile.self.cycles-pp.ext4_statfs
0.26 ± 12% -0.2 0.05 ± 49% perf-profile.self.cycles-pp.__ext4_new_inode
0.26 ± 4% -0.2 0.06 ± 13% perf-profile.self.cycles-pp.crypto_shash_update
0.23 ± 13% -0.2 0.04 ± 71% perf-profile.self.cycles-pp.path_init
0.23 ± 14% -0.2 0.03 ±100% perf-profile.self.cycles-pp.jbd2_journal_dirty_metadata
0.25 ± 8% -0.2 0.06 ± 46% perf-profile.self.cycles-pp.fscrypt_match_name
0.22 ± 6% -0.2 0.03 ±105% perf-profile.self.cycles-pp.lockref_put_return
0.21 ± 6% -0.2 0.03 ±100% perf-profile.self.cycles-pp.__ext4_mark_inode_dirty
0.25 ± 14% -0.2 0.08 ± 18% perf-profile.self.cycles-pp.ext4_es_lookup_extent
0.24 ± 7% -0.2 0.06 ± 21% perf-profile.self.cycles-pp.ext4_sb_block_valid
0.20 ± 10% -0.2 0.02 ± 99% perf-profile.self.cycles-pp.__check_heap_object
0.23 ± 10% -0.2 0.06 ± 52% perf-profile.self.cycles-pp.ext4_get_group_info
0.20 ± 6% -0.2 0.04 ± 71% perf-profile.self.cycles-pp.ext4_reserve_inode_write
0.23 ± 4% -0.2 0.06 ± 23% perf-profile.self.cycles-pp.__virt_addr_valid
0.19 ± 15% -0.2 0.03 ±102% perf-profile.self.cycles-pp.ext4_getblk
0.19 ± 16% -0.1 0.04 ± 45% perf-profile.self.cycles-pp.__list_del_entry_valid
0.18 ± 5% -0.1 0.04 ± 45% perf-profile.self.cycles-pp.dx_probe
0.20 ± 12% -0.1 0.08 ± 72% perf-profile.self.cycles-pp.ext4_mb_prefetch
0.17 ± 16% -0.1 0.05 ± 46% perf-profile.self.cycles-pp.ext4_fc_init_inode
0.12 ± 8% -0.1 0.03 ±100% perf-profile.self.cycles-pp.do_syscall_64
0.10 ± 18% -0.1 0.03 ±102% perf-profile.self.cycles-pp._raw_spin_lock_irq
0.10 ± 23% -0.0 0.07 ± 20% perf-profile.self.cycles-pp.ext4_mb_find_good_group_avg_frag_lists
13.44 ± 5% +9.0 22.43 ± 4% perf-profile.self.cycles-pp.find_revoke_record
6.72 ± 6% +29.2 35.97 ± 4% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
diff --git a/block/blk-flush.c b/block/blk-flush.c index ed195c760617..a299dae65350 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -178,7 +178,8 @@ static void blk_end_flush(struct request *rq, struct blk_flush_queue *fq, * normal completion and end it. */ list_del_init(&rq->queuelist); - blk_flush_restore_request(rq); + if (rq->rq_flags & RQF_FLUSH_SEQ) + blk_flush_restore_request(rq); blk_mq_end_request(rq, error); blk_kick_flush(q, fq); @@ -461,7 +462,8 @@ bool blk_insert_flush(struct request *rq) * Mark the request as part of a flush sequence and submit it * for further processing to the flush state machine. */ - blk_rq_init_flush(rq); + if (policy & REQ_FSEQ_POSTFLUSH) + blk_rq_init_flush(rq); spin_lock_irq(&fq->mq_flush_lock); blk_enqueue_preflush(rq, fq); spin_unlock_irq(&fq->mq_flush_lock);