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Jbc1GeCvK70Pw/1LLtjP9YmOvjWUD94725mzCtdE0qJ9elh3SapTp5/PEJ4C9JC6lcQDDzilJsOvqrG+IGeNPg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR11MB7287 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 674.0% improvement of stress-ng.fiemap.ops_per_sec on: commit: 8a7952dd64b38f3ac2754ca550b52ac3ca921c1a ("[PATCH] ext4/jbd2: drop jbd2_transaction_committed()") url: https://github.com/intel-lab-lkp/linux/commits/Zhang-Yi/ext4-jbd2-drop-jbd2_transaction_committed/20240513-153311 base: https://git.kernel.org/cgit/linux/kernel/git/tytso/ext4.git dev patch link: https://lore.kernel.org/all/20240513072119.2335346-1-yi.zhang@huaweicloud.com/ patch subject: [PATCH] ext4/jbd2: drop jbd2_transaction_committed() testcase: stress-ng test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory parameters: nr_threads: 100% disk: 1HDD testtime: 60s fs: ext4 test: fiemap cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240527/202405271406.9b9763f6-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-13/performance/1HDD/ext4/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp8/fiemap/stress-ng/60s commit: 26770a717c ("jbd2: add prefix 'jbd2' for 'shrink_type'") 8a7952dd64 ("ext4/jbd2: drop jbd2_transaction_committed()") 26770a717cac5704 8a7952dd64b38f3ac2754ca550b ---------------- --------------------------- %stddev %change %stddev \ | \ 1.13 ± 5% +52.7% 1.73 ± 3% iostat.cpu.user 0.01 ± 47% +0.0 0.04 ± 44% mpstat.cpu.all.iowait% 0.02 ± 4% -0.0 0.01 ± 15% mpstat.cpu.all.soft% 1.15 ± 5% +0.6 1.75 ± 3% mpstat.cpu.all.usr% 100427 ± 42% -59.1% 41106 ± 66% numa-vmstat.node0.nr_anon_pages 149979 ± 34% +205.2% 457720 ± 31% numa-vmstat.node1.nr_inactive_anon 149980 ± 34% +205.2% 457720 ± 31% numa-vmstat.node1.nr_zone_inactive_anon 402376 ± 42% -59.1% 164453 ± 66% numa-meminfo.node0.AnonPages 424656 ± 39% -57.6% 180029 ± 58% numa-meminfo.node0.AnonPages.max 620453 ± 33% +198.4% 1851452 ± 30% numa-meminfo.node1.Inactive 601997 ± 34% +204.4% 1832749 ± 31% numa-meminfo.node1.Inactive(anon) 2387 ± 2% +12.8% 2693 ± 4% vmstat.io.bo 10.17 ± 13% +83.8% 18.69 ± 3% vmstat.procs.b 201402 ± 9% +631.9% 1474068 ± 6% vmstat.system.cs 167899 +5.5% 177141 vmstat.system.in 347.50 ± 16% +53.4% 533.00 ± 10% perf-c2c.DRAM.local 4232 ± 48% +166.1% 11262 ± 24% perf-c2c.DRAM.remote 23484 ± 10% +119.8% 51621 ± 7% perf-c2c.HITM.local 3377 ± 56% +179.0% 9424 ± 27% perf-c2c.HITM.remote 26861 ± 7% +127.3% 61046 ± 5% perf-c2c.HITM.total 7612782 ± 7% +676.3% 59099460 ± 6% stress-ng.fiemap.ops 124734 ± 8% +674.0% 965466 ± 6% stress-ng.fiemap.ops_per_sec 12752270 ± 10% +643.8% 94847653 ± 5% stress-ng.time.involuntary_context_switches 19.02 ± 6% +124.6% 42.70 ± 5% stress-ng.time.user_time 62295 +17.8% 73411 ± 4% stress-ng.time.voluntary_context_switches 262799 ± 5% +90.1% 499700 ± 43% meminfo.Active 3750501 +38.7% 5203048 ± 2% meminfo.Cached 3989040 +36.2% 5432649 ± 2% meminfo.Committed_AS 1154859 ± 3% +105.8% 2376633 ± 12% meminfo.Inactive 1118790 ± 3% +109.2% 2340758 ± 12% meminfo.Inactive(anon) 362491 ± 7% +153.0% 917217 ± 19% meminfo.Mapped 5902699 +25.8% 7426870 meminfo.Memused 546333 ± 3% +265.7% 1998111 ± 5% meminfo.Shmem 5963280 +25.0% 7456799 meminfo.max_used_kB 0.92 ± 16% -21.5% 0.72 ± 8% sched_debug.cfs_rq:/.h_nr_running.stddev 809.29 ± 9% -15.5% 683.50 ± 7% sched_debug.cfs_rq:/.runnable_avg.stddev 567.16 ± 10% +123.7% 1268 ± 9% sched_debug.cfs_rq:/.util_est.avg 2015 ± 8% +41.9% 2859 ± 11% sched_debug.cfs_rq:/.util_est.max 0.75 ±223% +23377.8% 176.08 ± 20% sched_debug.cfs_rq:/.util_est.min 447.08 ± 8% +19.1% 532.35 ± 12% sched_debug.cfs_rq:/.util_est.stddev 0.92 ± 16% -22.1% 0.71 ± 8% sched_debug.cpu.nr_running.stddev 101043 ± 9% +621.7% 729210 ± 5% sched_debug.cpu.nr_switches.avg 176826 ± 18% +423.9% 926474 ± 5% sched_debug.cpu.nr_switches.max 17586 ± 35% +762.4% 151656 ± 44% sched_debug.cpu.nr_switches.min 54968 ± 44% +170.9% 148885 ± 5% sched_debug.cpu.nr_switches.stddev 5712 +5.1% 6002 ± 2% proc-vmstat.nr_active_file 939938 +38.6% 1302470 ± 2% proc-vmstat.nr_file_pages 280225 ± 3% +108.7% 584958 ± 12% proc-vmstat.nr_inactive_anon 91383 ± 8% +149.7% 228197 ± 19% proc-vmstat.nr_mapped 136324 ± 3% +265.7% 498577 ± 5% proc-vmstat.nr_shmem 25123 +2.8% 25834 proc-vmstat.nr_slab_reclaimable 5712 +5.1% 6002 ± 2% proc-vmstat.nr_zone_active_file 280225 ± 3% +108.7% 584958 ± 12% proc-vmstat.nr_zone_inactive_anon 15324 ± 30% +359.4% 70400 ± 9% proc-vmstat.numa_hint_faults 10098 ± 24% +283.5% 38729 ± 19% proc-vmstat.numa_hint_faults_local 604637 +86.4% 1127295 ± 4% proc-vmstat.numa_hit 538359 +97.1% 1061202 ± 4% proc-vmstat.numa_local 532388 +13.4% 603511 ± 3% proc-vmstat.numa_pte_updates 723145 +72.1% 1244321 ± 3% proc-vmstat.pgalloc_normal 383685 ± 2% +21.4% 465726 ± 2% proc-vmstat.pgfault 152450 +13.4% 172900 ± 4% proc-vmstat.pgpgout 2.951e+09 ± 6% +571.9% 1.983e+10 ± 2% perf-stat.i.branch-instructions 0.64 ± 4% -0.2 0.40 ± 2% perf-stat.i.branch-miss-rate% 19046341 ± 4% +291.2% 74517781 perf-stat.i.branch-misses 9666270 ± 31% +318.8% 40484483 ± 19% perf-stat.i.cache-misses 70884859 ± 6% +367.8% 3.316e+08 ± 2% perf-stat.i.cache-references 213832 ± 9% +623.2% 1546476 ± 6% perf-stat.i.context-switches 15.20 ± 7% -84.9% 2.30 ± 2% perf-stat.i.cpi 414.63 ± 5% +10.9% 459.73 ± 8% perf-stat.i.cpu-migrations 26710 ± 31% -77.7% 5960 ± 22% perf-stat.i.cycles-between-cache-misses 1.501e+10 ± 6% +556.2% 9.849e+10 ± 2% perf-stat.i.instructions 0.07 ± 6% +515.9% 0.44 ± 2% perf-stat.i.ipc 3.33 ± 9% +626.6% 24.22 ± 6% perf-stat.i.metric.K/sec 4908 ± 3% +26.6% 6216 ± 3% perf-stat.i.minor-faults 4908 ± 3% +26.6% 6216 ± 3% perf-stat.i.page-faults 0.65 ± 5% -0.3 0.38 ± 2% perf-stat.overall.branch-miss-rate% 15.14 ± 6% -84.8% 2.30 ± 2% perf-stat.overall.cpi 25496 ± 29% -77.2% 5824 ± 21% perf-stat.overall.cycles-between-cache-misses 0.07 ± 6% +556.1% 0.44 ± 2% perf-stat.overall.ipc 2.9e+09 ± 6% +572.3% 1.95e+10 ± 2% perf-stat.ps.branch-instructions 18850245 ± 4% +289.0% 73330498 perf-stat.ps.branch-misses 9571442 ± 31% +315.9% 39805993 ± 19% perf-stat.ps.cache-misses 70175556 ± 6% +365.5% 3.267e+08 ± 2% perf-stat.ps.cache-references 205492 ± 9% +636.9% 1514212 ± 6% perf-stat.ps.context-switches 405.62 ± 5% +10.8% 449.30 ± 8% perf-stat.ps.cpu-migrations 1.475e+10 ± 6% +556.5% 9.684e+10 ± 2% perf-stat.ps.instructions 4823 ± 3% +25.8% 6069 ± 4% perf-stat.ps.minor-faults 4823 ± 3% +25.8% 6069 ± 4% perf-stat.ps.page-faults 9.213e+11 ± 6% +555.4% 6.038e+12 ± 2% perf-stat.total.instructions 85.73 -85.7 0.00 perf-profile.calltrace.cycles-pp.jbd2_transaction_committed.ext4_set_iomap.ext4_iomap_begin_report.iomap_iter.iomap_fiemap 86.11 -84.1 1.99 ± 2% perf-profile.calltrace.cycles-pp.ext4_set_iomap.ext4_iomap_begin_report.iomap_iter.iomap_fiemap.do_vfs_ioctl 50.51 ± 3% -50.5 0.00 perf-profile.calltrace.cycles-pp._raw_read_lock.jbd2_transaction_committed.ext4_set_iomap.ext4_iomap_begin_report.iomap_iter 96.50 -12.4 84.06 perf-profile.calltrace.cycles-pp.ext4_iomap_begin_report.iomap_iter.iomap_fiemap.do_vfs_ioctl.__x64_sys_ioctl 97.49 -5.6 91.94 perf-profile.calltrace.cycles-pp.iomap_iter.iomap_fiemap.do_vfs_ioctl.__x64_sys_ioctl.do_syscall_64 98.08 -1.5 96.62 perf-profile.calltrace.cycles-pp.iomap_fiemap.do_vfs_ioctl.__x64_sys_ioctl.do_syscall_64.entry_SYSCALL_64_after_hwframe 98.13 -1.1 96.99 perf-profile.calltrace.cycles-pp.do_vfs_ioctl.__x64_sys_ioctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 98.14 -1.1 97.05 perf-profile.calltrace.cycles-pp.__x64_sys_ioctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 98.18 -1.1 97.12 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 98.19 -1.0 97.14 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.ioctl 98.22 -0.9 97.31 perf-profile.calltrace.cycles-pp.ioctl 0.62 ± 9% +0.3 0.94 perf-profile.calltrace.cycles-pp.__schedule.schedule.__x64_sys_sched_yield.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.62 ± 9% +0.3 0.96 perf-profile.calltrace.cycles-pp.schedule.__x64_sys_sched_yield.do_syscall_64.entry_SYSCALL_64_after_hwframe.__sched_yield 0.70 ± 9% +0.5 1.18 perf-profile.calltrace.cycles-pp.__x64_sys_sched_yield.do_syscall_64.entry_SYSCALL_64_after_hwframe.__sched_yield 0.87 ± 8% +0.7 1.58 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__sched_yield 0.87 ± 8% +0.7 1.59 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__sched_yield 0.00 +1.0 1.00 ± 4% perf-profile.calltrace.cycles-pp.ext4_sb_block_valid.__check_block_validity.ext4_map_blocks.ext4_iomap_begin_report.iomap_iter 0.94 ± 8% +1.0 1.98 ± 2% perf-profile.calltrace.cycles-pp.__sched_yield 0.00 +1.1 1.10 ± 2% perf-profile.calltrace.cycles-pp._copy_to_user.fiemap_fill_next_extent.iomap_fiemap.do_vfs_ioctl.__x64_sys_ioctl 0.00 +1.3 1.35 ± 8% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.percpu_counter_add_batch.ext4_es_lookup_extent.ext4_map_blocks 0.00 +1.5 1.48 ± 2% perf-profile.calltrace.cycles-pp.__check_block_validity.ext4_map_blocks.ext4_iomap_begin_report.iomap_iter.iomap_fiemap 0.00 +1.6 1.58 ± 7% perf-profile.calltrace.cycles-pp._raw_spin_lock.percpu_counter_add_batch.ext4_es_lookup_extent.ext4_map_blocks.ext4_iomap_begin_report 0.00 +3.2 3.22 ± 2% perf-profile.calltrace.cycles-pp.fiemap_fill_next_extent.iomap_fiemap.do_vfs_ioctl.__x64_sys_ioctl.do_syscall_64 4.96 ± 6% +4.8 9.72 ± 2% perf-profile.calltrace.cycles-pp._raw_read_lock.ext4_es_lookup_extent.ext4_map_blocks.ext4_iomap_begin_report.iomap_iter 0.78 ± 7% +5.4 6.22 ± 2% perf-profile.calltrace.cycles-pp.iomap_iter_advance.iomap_iter.iomap_fiemap.do_vfs_ioctl.__x64_sys_ioctl 0.62 ± 6% +50.6 51.27 perf-profile.calltrace.cycles-pp.percpu_counter_add_batch.ext4_es_lookup_extent.ext4_map_blocks.ext4_iomap_begin_report.iomap_iter 9.55 ± 7% +66.3 75.88 perf-profile.calltrace.cycles-pp.ext4_es_lookup_extent.ext4_map_blocks.ext4_iomap_begin_report.iomap_iter.iomap_fiemap 10.12 ± 7% +69.9 79.98 perf-profile.calltrace.cycles-pp.ext4_map_blocks.ext4_iomap_begin_report.iomap_iter.iomap_fiemap.do_vfs_ioctl 85.84 -85.8 0.00 perf-profile.children.cycles-pp.jbd2_transaction_committed 86.14 -84.0 2.10 ± 2% perf-profile.children.cycles-pp.ext4_set_iomap 55.59 ± 3% -45.8 9.83 ± 2% perf-profile.children.cycles-pp._raw_read_lock 96.56 -12.1 84.50 perf-profile.children.cycles-pp.ext4_iomap_begin_report 97.54 -5.3 92.26 perf-profile.children.cycles-pp.iomap_iter 98.11 -1.3 96.84 perf-profile.children.cycles-pp.iomap_fiemap 98.14 -1.1 97.00 perf-profile.children.cycles-pp.do_vfs_ioctl 98.14 -1.1 97.06 perf-profile.children.cycles-pp.__x64_sys_ioctl 98.22 -0.9 97.34 perf-profile.children.cycles-pp.ioctl 99.42 -0.7 98.76 perf-profile.children.cycles-pp.do_syscall_64 99.43 -0.6 98.81 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 0.39 ± 21% -0.1 0.25 ± 6% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.14 ± 24% -0.1 0.03 ±105% perf-profile.children.cycles-pp.build_id__mark_dso_hit 0.19 ± 5% +0.0 0.21 ± 6% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.08 ± 13% +0.0 0.11 perf-profile.children.cycles-pp.switch_fpu_return 0.09 ± 7% +0.0 0.12 ± 5% perf-profile.children.cycles-pp.update_process_times 0.11 ± 5% +0.0 0.14 ± 6% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.10 ± 5% +0.0 0.14 ± 5% perf-profile.children.cycles-pp.tick_nohz_handler 0.00 +0.1 0.05 perf-profile.children.cycles-pp.__fdget 0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp.__update_load_avg_se 0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.syscall_return_via_sysret 0.00 +0.1 0.06 perf-profile.children.cycles-pp.___perf_sw_event 0.00 +0.1 0.06 perf-profile.children.cycles-pp.__dequeue_entity 0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.__switch_to_asm 0.00 +0.1 0.06 ± 7% perf-profile.children.cycles-pp.pick_eevdf 0.00 +0.1 0.07 perf-profile.children.cycles-pp.__switch_to 0.00 +0.1 0.08 ± 6% perf-profile.children.cycles-pp.entry_SYSCALL_64 0.00 +0.1 0.08 ± 4% perf-profile.children.cycles-pp.rseq_ip_fixup 0.00 +0.1 0.09 ± 4% perf-profile.children.cycles-pp.restore_fpregs_from_fpstate 0.27 ± 22% +0.1 0.37 ± 9% perf-profile.children.cycles-pp.perf_session__process_events 0.27 ± 22% +0.1 0.37 ± 9% perf-profile.children.cycles-pp.record__finish_output 0.26 ± 25% +0.1 0.36 ± 9% perf-profile.children.cycles-pp.reader__read_event 0.00 +0.1 0.11 ± 3% perf-profile.children.cycles-pp.set_next_entity 0.00 +0.1 0.12 ± 4% perf-profile.children.cycles-pp.update_load_avg 0.08 ± 6% +0.1 0.20 perf-profile.children.cycles-pp.do_sched_yield 0.00 +0.1 0.12 ± 4% perf-profile.children.cycles-pp.put_prev_entity 0.02 ±141% +0.1 0.15 ± 2% perf-profile.children.cycles-pp.update_curr 0.09 ± 36% +0.1 0.23 ± 18% perf-profile.children.cycles-pp.process_simple 0.00 +0.1 0.15 ± 3% perf-profile.children.cycles-pp.__rseq_handle_notify_resume 0.07 ± 57% +0.1 0.22 ± 19% perf-profile.children.cycles-pp.queue_event 0.00 +0.1 0.15 ± 4% perf-profile.children.cycles-pp.clear_bhb_loop 0.00 +0.1 0.15 ± 4% perf-profile.children.cycles-pp.stress_fiemap 0.07 ± 57% +0.2 0.22 ± 19% perf-profile.children.cycles-pp.ordered_events__queue 0.00 +0.2 0.16 ± 2% perf-profile.children.cycles-pp.yield_task_fair 0.00 +0.2 0.16 ± 3% perf-profile.children.cycles-pp.ext4_inode_block_valid 0.20 ± 5% +0.2 0.41 perf-profile.children.cycles-pp.syscall_exit_to_user_mode 0.09 ± 10% +0.3 0.38 ± 2% perf-profile.children.cycles-pp.pick_next_task_fair 0.62 ± 9% +0.3 0.95 perf-profile.children.cycles-pp.__schedule 0.63 ± 10% +0.3 0.97 perf-profile.children.cycles-pp.schedule 0.06 ± 11% +0.4 0.48 ± 3% perf-profile.children.cycles-pp.iomap_to_fiemap 0.70 ± 9% +0.5 1.18 perf-profile.children.cycles-pp.__x64_sys_sched_yield 0.13 ± 8% +0.9 1.05 ± 3% perf-profile.children.cycles-pp.ext4_sb_block_valid 0.94 ± 8% +1.1 2.03 ± 2% perf-profile.children.cycles-pp.__sched_yield 0.16 ± 7% +1.1 1.27 ± 2% perf-profile.children.cycles-pp._copy_to_user 0.20 ± 8% +1.4 1.59 ± 2% perf-profile.children.cycles-pp.__check_block_validity 0.20 ± 7% +1.4 1.64 ± 7% perf-profile.children.cycles-pp._raw_spin_lock 0.41 ± 7% +2.9 3.30 ± 2% perf-profile.children.cycles-pp.fiemap_fill_next_extent 0.80 ± 7% +5.6 6.35 ± 2% perf-profile.children.cycles-pp.iomap_iter_advance 0.64 ± 7% +50.8 51.40 perf-profile.children.cycles-pp.percpu_counter_add_batch 9.60 ± 7% +66.7 76.28 perf-profile.children.cycles-pp.ext4_es_lookup_extent 10.16 ± 7% +70.2 80.39 perf-profile.children.cycles-pp.ext4_map_blocks 55.43 ± 3% -45.7 9.70 ± 2% perf-profile.self.cycles-pp._raw_read_lock 34.41 ± 6% -34.4 0.00 perf-profile.self.cycles-pp.jbd2_transaction_committed 0.10 ± 10% -0.0 0.07 ± 5% perf-profile.self.cycles-pp.prepare_task_switch 0.08 ± 11% +0.0 0.12 ± 4% perf-profile.self.cycles-pp.__schedule 0.00 +0.1 0.05 perf-profile.self.cycles-pp.___perf_sw_event 0.00 +0.1 0.05 perf-profile.self.cycles-pp.__update_load_avg_se 0.00 +0.1 0.05 perf-profile.self.cycles-pp.update_curr 0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.00 +0.1 0.06 ± 9% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.00 +0.1 0.06 ± 13% perf-profile.self.cycles-pp.__sched_yield 0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.__switch_to_asm 0.00 +0.1 0.07 perf-profile.self.cycles-pp.__switch_to 0.20 ± 7% +0.1 0.28 ± 4% perf-profile.self.cycles-pp._raw_spin_lock 0.00 +0.1 0.09 ± 4% perf-profile.self.cycles-pp.restore_fpregs_from_fpstate 0.00 +0.1 0.11 ± 4% perf-profile.self.cycles-pp.ext4_inode_block_valid 0.00 +0.1 0.13 ± 5% perf-profile.self.cycles-pp.stress_fiemap 0.07 ± 57% +0.1 0.22 ± 19% perf-profile.self.cycles-pp.queue_event 0.00 +0.1 0.15 ± 4% perf-profile.self.cycles-pp.clear_bhb_loop 0.05 ± 45% +0.3 0.38 ± 2% perf-profile.self.cycles-pp.__check_block_validity 0.03 ± 70% +0.3 0.38 ± 3% perf-profile.self.cycles-pp.iomap_to_fiemap 0.13 ± 7% +0.9 1.00 ± 4% perf-profile.self.cycles-pp.ext4_sb_block_valid 0.13 ± 7% +0.9 1.05 ± 2% perf-profile.self.cycles-pp.iomap_fiemap 0.16 ± 7% +1.1 1.24 ± 2% perf-profile.self.cycles-pp._copy_to_user 0.19 ± 7% +1.3 1.52 ± 2% perf-profile.self.cycles-pp.iomap_iter 0.29 ± 11% +1.6 1.88 ± 2% perf-profile.self.cycles-pp.ext4_set_iomap 0.25 ± 8% +1.8 2.04 ± 2% perf-profile.self.cycles-pp.fiemap_fill_next_extent 0.27 ± 8% +1.9 2.21 ± 2% perf-profile.self.cycles-pp.ext4_iomap_begin_report 0.38 ± 13% +2.3 2.70 ± 4% perf-profile.self.cycles-pp.ext4_map_blocks 0.78 ± 7% +5.4 6.23 ± 2% perf-profile.self.cycles-pp.iomap_iter_advance 3.98 ± 8% +11.1 15.12 ± 2% perf-profile.self.cycles-pp.ext4_es_lookup_extent 0.56 ± 7% +48.9 49.48 perf-profile.self.cycles-pp.percpu_counter_add_batch 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. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki