* [linus:master] [iomap] cd3c877d04: fio.write_iops 5.8% improvement
@ 2026-03-09 8:49 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-03-09 8:49 UTC (permalink / raw)
To: Darrick J. Wong
Cc: oe-lkp, lkp, linux-kernel, Christian Brauner, Christoph Hellwig,
linux-xfs, linux-fsdevel, oliver.sang
Hello,
kernel test robot noticed a 5.8% improvement of fio.write_iops on:
commit: cd3c877d04683b44a4d50dcdfad54b356e65d158 ("iomap: don't report direct-io retries to fserror")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
testcase: fio-basic
config: x86_64-rhel-9.4
compiler: gcc-14
test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory
parameters:
runtime: 300s
disk: 1HDD
fs: xfs
nr_task: 100%
test_size: 128G
rw: write
bs: 4k
ioengine: io_uring
cpufreq_governor: performance
fs2: nfsv4
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260309/202603091510.4445c895-lkp@intel.com
=========================================================================================
bs/compiler/cpufreq_governor/disk/fs2/fs/ioengine/kconfig/nr_task/rootfs/runtime/rw/tbox_group/test_size/testcase:
4k/gcc-14/performance/1HDD/nfsv4/xfs/io_uring/x86_64-rhel-9.4/100%/debian-13-x86_64-20250902.cgz/300s/write/lkp-icl-2sp9/128G/fio-basic
commit:
d9d32e5bd5 ("Merge tag 'ata-7.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux")
cd3c877d04 ("iomap: don't report direct-io retries to fserror")
d9d32e5bd5a4e576 cd3c877d04683b44a4d50dcdfad
---------------- ---------------------------
%stddev %change %stddev
\ | \
32.84 ± 4% -17.8 15.00 ± 9% fio.latency_100ms%
0.04 ± 47% +0.1 0.10 ± 28% fio.latency_2000ms%
14.03 ± 5% +5.2 19.28 ± 8% fio.latency_20ms%
29.56 ± 2% -6.2 23.36 ± 3% fio.latency_250ms%
4.81 ± 4% +1.1 5.92 ± 5% fio.latency_500ms%
18.08 ± 7% +17.4 35.52 ± 9% fio.latency_50ms%
53963461 +5.8% 57074346 fio.time.file_system_outputs
3248835 -99.3% 22377 ± 8% fio.time.involuntary_context_switches
8741088 +35.0% 11799621 fio.time.voluntary_context_switches
6745432 +5.8% 7134293 fio.workload
87.80 +5.8% 92.85 fio.write_bw_MBps
2.599e+08 ± 2% +20.0% 3.118e+08 fio.write_clat_95%_ns
4.089e+08 +10.3% 4.509e+08 ± 5% fio.write_clat_99%_ns
91094036 -5.4% 86132167 fio.write_clat_mean_ns
88204930 ± 3% +19.7% 1.055e+08 ± 3% fio.write_clat_stddev
22476 +5.8% 23769 fio.write_iops
9081090 +25.5% 11394409 cpuidle..usage
0.07 +0.0 0.08 mpstat.cpu.all.irq%
11565087 +25.1% 14468228 turbostat.IRQ
88771 +5.8% 93888 vmstat.io.bo
93282 -5.0% 88579 vmstat.system.cs
36858 +26.5% 46632 vmstat.system.in
0.10 ± 15% -49.5% 0.05 ± 35% perf-sched.sch_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
46.25 ± 75% -65.3% 16.03 ± 13% perf-sched.sch_delay.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
0.10 ± 15% -49.5% 0.05 ± 35% perf-sched.total_sch_delay.average.ms
46.25 ± 75% -65.3% 16.03 ± 13% perf-sched.total_sch_delay.max.ms
2.02 -15.8% 1.70 ± 2% perf-stat.i.MPKI
23.30 -3.6 19.71 ± 2% perf-stat.i.cache-miss-rate%
3487094 ± 3% -15.4% 2950796 perf-stat.i.cache-misses
94028 -5.1% 89274 perf-stat.i.context-switches
1556 ± 2% -25.7% 1156 ± 2% perf-stat.i.cpu-migrations
687.84 +21.8% 837.57 perf-stat.i.cycles-between-cache-misses
1.34 -10.5% 1.20 perf-stat.i.metric.K/sec
1.77 ± 3% -16.5% 1.48 perf-stat.overall.MPKI
23.73 -3.6 20.17 perf-stat.overall.cache-miss-rate%
718.82 ± 2% +17.8% 846.85 perf-stat.overall.cycles-between-cache-misses
3475736 ± 3% -15.4% 2941224 perf-stat.ps.cache-misses
93714 -5.1% 88974 perf-stat.ps.context-switches
1551 ± 2% -25.7% 1152 ± 2% perf-stat.ps.cpu-migrations
8.90 ± 9% -3.9 4.99 ± 18% perf-profile.calltrace.cycles-pp.fio_ioring_commit
8.37 ± 9% -3.6 4.74 ± 17% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.fio_ioring_commit
8.20 ± 9% -3.6 4.64 ± 17% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.fio_ioring_commit
13.70 ± 6% -3.0 10.73 ± 12% perf-profile.calltrace.cycles-pp.__iomap_dio_rw.iomap_dio_rw.xfs_file_dio_write_aligned.xfs_file_write_iter.io_write
13.73 ± 6% -3.0 10.77 ± 12% perf-profile.calltrace.cycles-pp.iomap_dio_rw.xfs_file_dio_write_aligned.xfs_file_write_iter.io_write.__io_issue_sqe
7.27 ± 8% -2.7 4.56 ± 17% perf-profile.calltrace.cycles-pp.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe.fio_ioring_commit
6.46 ± 8% -2.4 4.09 ± 16% perf-profile.calltrace.cycles-pp.io_submit_sqes.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe.fio_ioring_commit
6.39 ± 8% -2.3 4.05 ± 16% perf-profile.calltrace.cycles-pp.io_submit_sqe.io_submit_sqes.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.72 ± 9% -2.0 2.76 ± 17% perf-profile.calltrace.cycles-pp.io_issue_sqe.io_submit_sqe.io_submit_sqes.__do_sys_io_uring_enter.do_syscall_64
4.39 ± 9% -1.9 2.51 ± 18% perf-profile.calltrace.cycles-pp.__io_issue_sqe.io_issue_sqe.io_submit_sqe.io_submit_sqes.__do_sys_io_uring_enter
4.36 ± 9% -1.9 2.49 ± 18% perf-profile.calltrace.cycles-pp.io_write.__io_issue_sqe.io_issue_sqe.io_submit_sqe.io_submit_sqes
4.23 ± 8% -1.9 2.35 ± 19% perf-profile.calltrace.cycles-pp.xfs_file_write_iter.io_write.__io_issue_sqe.io_issue_sqe.io_submit_sqe
2.47 ± 12% -1.2 1.25 ± 13% perf-profile.calltrace.cycles-pp.blk_finish_plug.__iomap_dio_rw.iomap_dio_rw.xfs_file_dio_write_aligned.xfs_file_write_iter
2.37 ± 15% -1.1 1.24 ± 13% perf-profile.calltrace.cycles-pp.__blk_flush_plug.blk_finish_plug.__iomap_dio_rw.iomap_dio_rw.xfs_file_dio_write_aligned
2.27 ± 15% -1.0 1.23 ± 13% perf-profile.calltrace.cycles-pp.blk_mq_flush_plug_list.__blk_flush_plug.blk_finish_plug.__iomap_dio_rw.iomap_dio_rw
2.18 ± 17% -1.0 1.23 ± 13% perf-profile.calltrace.cycles-pp.blk_mq_dispatch_list.blk_mq_flush_plug_list.__blk_flush_plug.blk_finish_plug.__iomap_dio_rw
1.45 ± 6% -0.6 0.87 ± 13% perf-profile.calltrace.cycles-pp.dd_insert_requests.blk_mq_dispatch_list.blk_mq_flush_plug_list.__blk_flush_plug.blk_finish_plug
1.11 ± 7% -0.5 0.57 ± 45% perf-profile.calltrace.cycles-pp._raw_spin_lock.dd_insert_requests.blk_mq_dispatch_list.blk_mq_flush_plug_list.__blk_flush_plug
1.06 ± 7% -0.5 0.54 ± 45% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dd_insert_requests.blk_mq_dispatch_list.blk_mq_flush_plug_list
1.47 ± 6% -0.5 1.00 ± 15% perf-profile.calltrace.cycles-pp.handle_softirqs.__irq_exit_rcu.sysvec_call_function_single.asm_sysvec_call_function_single.pv_native_safe_halt
1.47 ± 6% -0.5 1.00 ± 15% perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_call_function_single.asm_sysvec_call_function_single.pv_native_safe_halt.acpi_safe_halt
1.46 ± 7% -0.5 0.99 ± 15% perf-profile.calltrace.cycles-pp._nohz_idle_balance.handle_softirqs.__irq_exit_rcu.sysvec_call_function_single.asm_sysvec_call_function_single
0.73 ± 11% -0.4 0.31 ±100% perf-profile.calltrace.cycles-pp.tick_nohz_restart_sched_tick.tick_nohz_idle_exit.do_idle.cpu_startup_entry.start_secondary
0.72 ± 7% -0.4 0.31 ±101% perf-profile.calltrace.cycles-pp.xfs_bmap_add_extent_unwritten_real.xfs_bmapi_convert_unwritten.xfs_bmapi_write.xfs_iomap_write_unwritten.xfs_dio_write_end_io
0.84 ± 10% -0.4 0.46 ± 72% perf-profile.calltrace.cycles-pp.tick_nohz_idle_exit.do_idle.cpu_startup_entry.start_secondary.common_startup_64
1.04 ± 6% -0.3 0.71 ± 21% perf-profile.calltrace.cycles-pp.xfs_alloc_read_agf.xfs_alloc_fix_freelist.xfs_free_extent_fix_freelist.xfs_rmap_finish_one.xfs_rmap_update_finish_item
1.15 ± 8% -0.3 0.82 ± 16% perf-profile.calltrace.cycles-pp.sched_balance_update_blocked_averages._nohz_idle_balance.handle_softirqs.__irq_exit_rcu.sysvec_call_function_single
1.03 ± 6% -0.3 0.70 ± 21% perf-profile.calltrace.cycles-pp.xfs_read_agf.xfs_alloc_read_agf.xfs_alloc_fix_freelist.xfs_free_extent_fix_freelist.xfs_rmap_finish_one
0.99 ± 2% -0.3 0.67 ± 15% perf-profile.calltrace.cycles-pp.__sched_balance_update_blocked_averages.sched_balance_update_blocked_averages._nohz_idle_balance.handle_softirqs.__irq_exit_rcu
1.00 ± 6% -0.3 0.68 ± 20% perf-profile.calltrace.cycles-pp.xfs_trans_read_buf_map.xfs_read_agf.xfs_alloc_read_agf.xfs_alloc_fix_freelist.xfs_free_extent_fix_freelist
0.93 ± 13% -0.3 0.62 ± 46% perf-profile.calltrace.cycles-pp.xfs_btree_lookup.xfs_rmap_lookup_le.xfs_rmap_convert.xfs_rmap_finish_one.xfs_rmap_update_finish_item
0.72 ± 5% -0.3 0.42 ± 71% perf-profile.calltrace.cycles-pp.wake_up_q.rwsem_wake.up_write.xfs_iunlock.xfs_iomap_write_unwritten
1.12 ± 10% -0.3 0.82 ± 15% perf-profile.calltrace.cycles-pp.rwsem_spin_on_owner.rwsem_down_write_slowpath.down_write.xfs_trans_alloc_inode.xfs_iomap_write_unwritten
1.18 ± 7% -0.3 0.89 ± 20% perf-profile.calltrace.cycles-pp.__pick_next_task.__schedule.schedule.schedule_timeout.io_wq_worker
1.10 ± 17% -0.3 0.82 ± 19% perf-profile.calltrace.cycles-pp.xfs_rmap_lookup_le.xfs_rmap_convert.xfs_rmap_finish_one.xfs_rmap_update_finish_item.xfs_defer_finish_one
1.10 ± 7% -0.3 0.83 ± 21% perf-profile.calltrace.cycles-pp.pick_next_task_fair.__pick_next_task.__schedule.schedule.schedule_timeout
8.98 ± 9% -3.9 5.06 ± 18% perf-profile.children.cycles-pp.fio_ioring_commit
10.98 ± 9% -3.2 7.74 ± 19% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
10.76 ± 9% -3.2 7.60 ± 19% perf-profile.children.cycles-pp.do_syscall_64
13.72 ± 6% -3.0 10.75 ± 12% perf-profile.children.cycles-pp.__iomap_dio_rw
13.73 ± 6% -3.0 10.77 ± 12% perf-profile.children.cycles-pp.iomap_dio_rw
8.57 ± 8% -2.4 6.20 ± 21% perf-profile.children.cycles-pp.schedule
6.46 ± 8% -2.4 4.10 ± 16% perf-profile.children.cycles-pp.io_submit_sqes
6.39 ± 8% -2.3 4.05 ± 16% perf-profile.children.cycles-pp.io_submit_sqe
2.55 ± 7% -1.0 1.56 ± 14% perf-profile.children.cycles-pp.blk_finish_plug
2.50 ± 7% -1.0 1.52 ± 14% perf-profile.children.cycles-pp.blk_mq_dispatch_list
2.55 ± 7% -1.0 1.57 ± 14% perf-profile.children.cycles-pp.__blk_flush_plug
2.52 ± 7% -1.0 1.53 ± 14% perf-profile.children.cycles-pp.blk_mq_flush_plug_list
1.72 ± 6% -0.7 1.01 ± 13% perf-profile.children.cycles-pp.dd_insert_requests
2.14 ± 6% -0.6 1.51 ± 17% perf-profile.children.cycles-pp._nohz_idle_balance
2.35 ± 6% -0.6 1.74 ± 17% perf-profile.children.cycles-pp.ttwu_do_activate
2.11 ± 10% -0.6 1.51 ± 21% perf-profile.children.cycles-pp.xfs_iunlock
2.12 ± 8% -0.6 1.52 ± 19% perf-profile.children.cycles-pp.xfs_trans_read_buf_map
0.81 ± 8% -0.6 0.23 ± 20% perf-profile.children.cycles-pp.queue_work_on
0.86 ± 10% -0.5 0.31 ± 24% perf-profile.children.cycles-pp.kick_pool
2.34 ± 4% -0.5 1.79 ± 17% perf-profile.children.cycles-pp.__irq_exit_rcu
0.77 ± 9% -0.5 0.23 ± 20% perf-profile.children.cycles-pp.__queue_work
2.21 ± 4% -0.5 1.68 ± 17% perf-profile.children.cycles-pp.handle_softirqs
3.52 ± 2% -0.5 3.00 ± 10% perf-profile.children.cycles-pp.try_to_wake_up
1.84 ± 5% -0.5 1.38 ± 17% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages
1.78 ± 6% -0.4 1.36 ± 17% perf-profile.children.cycles-pp.enqueue_task
1.66 ± 6% -0.4 1.27 ± 16% perf-profile.children.cycles-pp.enqueue_task_fair
1.44 ± 6% -0.4 1.08 ± 17% perf-profile.children.cycles-pp.xfs_buf_read_map
1.34 ± 6% -0.4 0.99 ± 17% perf-profile.children.cycles-pp.xfs_buf_get_map
1.45 ± 6% -0.3 1.12 ± 17% perf-profile.children.cycles-pp.enqueue_entity
1.05 ± 6% -0.3 0.72 ± 21% perf-profile.children.cycles-pp.xfs_alloc_read_agf
1.03 ± 6% -0.3 0.70 ± 21% perf-profile.children.cycles-pp.xfs_read_agf
0.85 ± 12% -0.3 0.52 ± 20% perf-profile.children.cycles-pp.update_curr
1.18 ± 10% -0.3 0.86 ± 17% perf-profile.children.cycles-pp.blk_mq_sched_try_merge
1.10 ± 17% -0.3 0.82 ± 19% perf-profile.children.cycles-pp.xfs_rmap_lookup_le
0.31 ± 16% -0.3 0.03 ±101% perf-profile.children.cycles-pp.put_prev_entity
0.99 ± 6% -0.3 0.73 ± 17% perf-profile.children.cycles-pp.wake_up_q
0.88 ± 6% -0.2 0.64 ± 15% perf-profile.children.cycles-pp.xfs_buf_lookup
0.77 ± 9% -0.2 0.54 ± 25% perf-profile.children.cycles-pp.up_read
0.55 ± 18% -0.2 0.32 ± 28% perf-profile.children.cycles-pp._xfs_trans_bjoin
0.86 ± 10% -0.2 0.63 ± 19% perf-profile.children.cycles-pp.tick_nohz_idle_exit
0.60 ± 7% -0.2 0.40 ± 25% perf-profile.children.cycles-pp.set_next_entity
0.73 ± 14% -0.2 0.53 ± 13% perf-profile.children.cycles-pp.blk_mq_run_hw_queue
0.75 ± 11% -0.2 0.55 ± 19% perf-profile.children.cycles-pp.tick_nohz_restart_sched_tick
0.47 ± 11% -0.2 0.28 ± 14% perf-profile.children.cycles-pp.pick_task_fair
0.74 ± 7% -0.2 0.54 ± 19% perf-profile.children.cycles-pp.xfs_bmap_add_extent_unwritten_real
0.55 ± 14% -0.2 0.36 ± 28% perf-profile.children.cycles-pp.xfs_buf_item_release
0.53 ± 12% -0.2 0.34 ± 23% perf-profile.children.cycles-pp.update_se
0.78 ± 9% -0.2 0.59 ± 18% perf-profile.children.cycles-pp.hrtimer_start_range_ns
0.55 ± 11% -0.2 0.37 ± 16% perf-profile.children.cycles-pp.wakeup_preempt
0.42 ± 13% -0.2 0.24 ± 22% perf-profile.children.cycles-pp.elv_merge
0.35 ± 25% -0.2 0.18 ± 36% perf-profile.children.cycles-pp.xfs_buf_item_init
0.64 ± 11% -0.1 0.49 ± 15% perf-profile.children.cycles-pp.xfs_btree_lookup_get_block
0.65 ± 13% -0.1 0.50 ± 13% perf-profile.children.cycles-pp.scsi_mq_get_budget
0.34 ± 10% -0.1 0.20 ± 20% perf-profile.children.cycles-pp.__enqueue_entity
0.40 ± 12% -0.1 0.26 ± 20% perf-profile.children.cycles-pp.up
0.52 ± 7% -0.1 0.38 ± 13% perf-profile.children.cycles-pp.xfs_buf_find_lock
0.41 ± 12% -0.1 0.28 ± 21% perf-profile.children.cycles-pp.xfs_buf_unlock
0.46 ± 8% -0.1 0.33 ± 11% perf-profile.children.cycles-pp.xfs_buf_lock
0.40 ± 20% -0.1 0.28 ± 22% perf-profile.children.cycles-pp.__pcs_replace_empty_main
0.32 ± 16% -0.1 0.20 ± 19% perf-profile.children.cycles-pp.sched_balance_domains
0.44 ± 8% -0.1 0.32 ± 15% perf-profile.children.cycles-pp.__update_load_avg_se
0.40 ± 6% -0.1 0.28 ± 10% perf-profile.children.cycles-pp.down
0.38 ± 20% -0.1 0.27 ± 22% perf-profile.children.cycles-pp.refill_objects
0.31 ± 14% -0.1 0.20 ± 23% perf-profile.children.cycles-pp.xfs_ilock_nowait
0.28 ± 10% -0.1 0.17 ± 7% perf-profile.children.cycles-pp.__down_common
0.28 ± 10% -0.1 0.17 ± 7% perf-profile.children.cycles-pp.___down_common
0.26 ± 16% -0.1 0.15 ± 35% perf-profile.children.cycles-pp.xfs_lookup_get_search_key
0.28 ± 16% -0.1 0.17 ± 25% perf-profile.children.cycles-pp.down_read_trylock
0.36 ± 11% -0.1 0.25 ± 15% perf-profile.children.cycles-pp.sched_balance_rq
0.30 ± 11% -0.1 0.20 ± 14% perf-profile.children.cycles-pp.prepare_task_switch
0.38 ± 12% -0.1 0.28 ± 21% perf-profile.children.cycles-pp.memset_orig
0.28 ± 9% -0.1 0.19 ± 24% perf-profile.children.cycles-pp.__dequeue_entity
0.25 ± 13% -0.1 0.16 ± 26% perf-profile.children.cycles-pp.wq_worker_sleeping
0.33 ± 11% -0.1 0.24 ± 18% perf-profile.children.cycles-pp.io_wq_worker_running
0.26 ± 21% -0.1 0.17 ± 19% perf-profile.children.cycles-pp.__refill_objects_node
0.38 ± 12% -0.1 0.29 ± 14% perf-profile.children.cycles-pp.__resched_curr
0.22 ± 13% -0.1 0.13 ± 25% perf-profile.children.cycles-pp.elv_bio_merge_ok
0.21 ± 12% -0.1 0.13 ± 26% perf-profile.children.cycles-pp.blk_rq_merge_ok
0.41 ± 9% -0.1 0.33 ± 15% perf-profile.children.cycles-pp.irqentry_enter
0.18 ± 21% -0.1 0.10 ± 18% perf-profile.children.cycles-pp.elv_rqhash_find
0.27 ± 13% -0.1 0.20 ± 23% perf-profile.children.cycles-pp.xfs_inode_to_log_dinode
0.11 ± 26% -0.1 0.04 ±104% perf-profile.children.cycles-pp.xfs_rmapbt_init_key_from_rec
0.23 ± 13% -0.1 0.16 ± 20% perf-profile.children.cycles-pp.io_free_batch_list
0.13 ± 14% -0.1 0.06 ± 53% perf-profile.children.cycles-pp.__dd_dispatch_request
0.17 ± 11% -0.1 0.10 ± 29% perf-profile.children.cycles-pp.dd_dispatch_request
0.19 ± 11% -0.1 0.13 ± 10% perf-profile.children.cycles-pp.___perf_sw_event
0.12 ± 18% -0.1 0.06 ± 48% perf-profile.children.cycles-pp.__pick_eevdf
0.15 ± 15% -0.1 0.10 ± 22% perf-profile.children.cycles-pp.elv_attempt_insert_merge
0.17 ± 27% -0.1 0.12 ± 33% perf-profile.children.cycles-pp.__kmalloc_noprof
0.09 ± 7% -0.1 0.04 ± 71% perf-profile.children.cycles-pp.wake_q_add
0.15 ± 15% -0.0 0.10 ± 21% perf-profile.children.cycles-pp.place_entity
0.14 ± 12% -0.0 0.09 ± 22% perf-profile.children.cycles-pp._xfs_buf_obj_cmp
0.14 ± 18% -0.0 0.09 ± 9% perf-profile.children.cycles-pp.xfs_trans_log_buf
0.12 ± 23% -0.0 0.08 ± 33% perf-profile.children.cycles-pp.fio_ioring_event
0.11 ± 10% -0.0 0.06 ± 46% perf-profile.children.cycles-pp.mm_cid_switch_to
0.16 ± 20% -0.0 0.12 ± 24% perf-profile.children.cycles-pp.xfs_bmap_validate_extent_raw
0.11 ± 19% -0.0 0.07 ± 23% perf-profile.children.cycles-pp.blk_attempt_req_merge
0.08 ± 13% -0.0 0.04 ± 72% perf-profile.children.cycles-pp.__sbitmap_weight
0.13 ± 13% -0.0 0.10 ± 14% perf-profile.children.cycles-pp.hrtimer_cancel
0.08 ± 18% +0.1 0.14 ± 19% perf-profile.children.cycles-pp.tmigr_requires_handle_remote
2.78 ± 11% -0.8 2.00 ± 22% perf-profile.self.cycles-pp._raw_spin_lock
2.30 ± 4% -0.6 1.72 ± 20% perf-profile.self.cycles-pp.__sched_balance_update_blocked_averages
0.40 ± 9% -0.1 0.29 ± 13% perf-profile.self.cycles-pp.__update_load_avg_se
0.28 ± 15% -0.1 0.17 ± 23% perf-profile.self.cycles-pp.down_read_trylock
0.25 ± 14% -0.1 0.15 ± 14% perf-profile.self.cycles-pp.__enqueue_entity
0.36 ± 11% -0.1 0.27 ± 19% perf-profile.self.cycles-pp.memset_orig
0.33 ± 11% -0.1 0.24 ± 18% perf-profile.self.cycles-pp.io_wq_worker_running
0.22 ± 11% -0.1 0.13 ± 23% perf-profile.self.cycles-pp.update_se
0.37 ± 12% -0.1 0.28 ± 14% perf-profile.self.cycles-pp.__resched_curr
0.22 ± 19% -0.1 0.14 ± 16% perf-profile.self.cycles-pp.update_curr
0.20 ± 12% -0.1 0.12 ± 28% perf-profile.self.cycles-pp.blk_rq_merge_ok
0.24 ± 21% -0.1 0.16 ± 19% perf-profile.self.cycles-pp.__refill_objects_node
0.17 ± 21% -0.1 0.10 ± 18% perf-profile.self.cycles-pp.elv_rqhash_find
0.31 ± 11% -0.1 0.24 ± 14% perf-profile.self.cycles-pp.irqentry_enter
0.20 ± 16% -0.1 0.13 ± 23% perf-profile.self.cycles-pp.dequeue_entities
0.31 ± 12% -0.1 0.24 ± 19% perf-profile.self.cycles-pp.pick_next_task_fair
0.10 ± 21% -0.1 0.04 ±104% perf-profile.self.cycles-pp.xfs_rmapbt_init_key_from_rec
0.22 ± 14% -0.1 0.16 ± 23% perf-profile.self.cycles-pp.xfs_iext_prev
0.20 ± 12% -0.1 0.14 ± 19% perf-profile.self.cycles-pp.enqueue_task_fair
0.24 ± 10% -0.1 0.17 ± 18% perf-profile.self.cycles-pp.iomap_dio_complete
0.09 ± 9% -0.1 0.04 ± 71% perf-profile.self.cycles-pp.wake_q_add
0.18 ± 12% -0.1 0.13 ± 20% perf-profile.self.cycles-pp.elv_rb_find
0.11 ± 24% -0.1 0.06 ± 57% perf-profile.self.cycles-pp.__tmigr_cpu_activate
0.11 ± 20% -0.0 0.06 ± 46% perf-profile.self.cycles-pp.dd_insert_requests
0.13 ± 11% -0.0 0.09 ± 20% perf-profile.self.cycles-pp._xfs_buf_obj_cmp
0.13 ± 7% -0.0 0.08 ± 23% perf-profile.self.cycles-pp.xfs_trans_log_inode
0.12 ± 15% -0.0 0.08 ± 27% perf-profile.self.cycles-pp.prepare_task_switch
0.12 ± 19% -0.0 0.08 ± 18% perf-profile.self.cycles-pp.___perf_sw_event
0.10 ± 14% -0.0 0.06 ± 16% perf-profile.self.cycles-pp.set_next_entity
0.10 ± 12% -0.0 0.06 ± 47% perf-profile.self.cycles-pp.mm_cid_switch_to
0.10 ± 13% -0.0 0.07 ± 21% perf-profile.self.cycles-pp.xfs_bmap_add_extent_unwritten_real
0.08 ± 10% -0.0 0.05 ± 47% perf-profile.self.cycles-pp.irqtime_account_irq
0.02 ±142% +0.0 0.06 ± 21% perf-profile.self.cycles-pp.tick_nohz_handler
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.
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https://github.com/intel/lkp-tests/wiki
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