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gRERee+yZdGtlFs5nq2y0LDdZm+FEBxduEnB6gZgkGEqE7uy+wv+qHwFaZS+zwFY6c7x2JrBbJSAFRdohmCACQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR11MB7293 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 10.9% improvement of fxmark.ssd_ext4_MWCL_18_bufferedio.works/sec on: commit: a794c9ad026f0a28044347f31929fcdb0270eadc ("jbd2: increase maximum transaction size") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: fxmark test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz (Ice Lake) with 128G memory parameters: disk: 1SSD media: ssd test: MWCL fstype: ext4 directio: bufferedio thread_nr: 18 cpufreq_governor: performance In addition to that, the commit also has significant impact on the following tests: +------------------+-----------------------------------------------------------------------------------------------+ | testcase: change | fxmark: fxmark.ssd_ext4_MWCL_18_directio.works/sec 10.9% improvement | | test machine | 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz (Cascade Lake) with 512G memory | | test parameters | cpufreq_governor=performance | | | directio=directio | | | disk=1SSD | | | fstype=ext4 | | | media=ssd | | | test=MWCL | | | thread_nr=18 | +------------------+-----------------------------------------------------------------------------------------------+ Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240730/202407301600.a03deb58-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/directio/disk/fstype/kconfig/media/rootfs/tbox_group/test/testcase/thread_nr: gcc-13/performance/bufferedio/1SSD/ext4/x86_64-rhel-8.3/ssd/debian-11.1-x86_64-20220510.cgz/lkp-icl-2sp5/MWCL/fxmark/18 commit: 1cf5b024a3 ("jbd2: drop pointless shrinker batch initialization") a794c9ad02 ("jbd2: increase maximum transaction size") 1cf5b024a3ffa479 a794c9ad026f0a28044347f3192 ---------------- --------------------------- %stddev %change %stddev \ | \ 10.27 +5.0% 10.78 ± 2% iostat.cpu.system 54.92 ± 8% +30.7% 71.75 ± 7% mpstat.max_utilization_pct 25.35 ± 14% -27.2% 18.46 ± 14% sched_debug.cfs_rq:/.util_est.avg 169479 ± 3% -7.0% 157666 ± 4% vmstat.io.bo 1278745 ± 2% +13.0% 1445139 ± 4% vmstat.memory.buff 0.18 ± 54% -0.1 0.10 ± 30% perf-profile.children.cycles-pp.sched_balance_softirq 0.09 ± 19% -0.0 0.05 ± 46% perf-profile.children.cycles-pp.__x64_sys_exit_group 0.10 ± 17% -0.0 0.06 ± 11% perf-profile.children.cycles-pp.do_group_exit 0.11 ± 14% -0.0 0.08 ± 16% perf-profile.children.cycles-pp.do_exit 2408170 -8.3% 2207695 ± 9% perf-stat.i.branch-misses 6871267 -4.3% 6578038 ± 2% perf-stat.i.cache-references 2404936 -8.3% 2204831 ± 9% perf-stat.ps.branch-misses 6890735 -4.3% 6594005 ± 2% perf-stat.ps.cache-references 1295677 ± 2% +14.0% 1477204 ± 4% numa-meminfo.node0.Active 1280375 ± 2% +13.9% 1458502 ± 4% numa-meminfo.node0.Active(file) 5276009 ± 2% +12.7% 5945616 ± 3% numa-meminfo.node0.KReclaimable 5276009 ± 2% +12.7% 5945616 ± 3% numa-meminfo.node0.SReclaimable 677395 ± 3% +13.1% 766117 ± 5% numa-meminfo.node0.SUnreclaim 5953404 ± 2% +12.7% 6711734 ± 3% numa-meminfo.node0.Slab 320063 ± 2% +13.9% 364570 ± 4% numa-vmstat.node0.nr_active_file 748619 +15.4% 863566 numa-vmstat.node0.nr_dirtied 1318890 ± 2% +12.7% 1486316 ± 3% numa-vmstat.node0.nr_slab_reclaimable 169339 ± 3% +13.1% 191517 ± 5% numa-vmstat.node0.nr_slab_unreclaimable 748621 +15.4% 863569 numa-vmstat.node0.nr_written 320063 ± 2% +13.9% 364570 ± 4% numa-vmstat.node0.nr_zone_active_file 1296975 ± 2% +14.2% 1480589 ± 4% meminfo.Active 1281245 ± 2% +14.1% 1461473 ± 4% meminfo.Active(file) 1283104 ± 2% +14.0% 1462913 ± 4% meminfo.Buffers 5305939 ± 2% +12.5% 5970380 ± 4% meminfo.KReclaimable 5305939 ± 2% +12.5% 5970380 ± 4% meminfo.SReclaimable 775354 +9.6% 849840 ± 3% meminfo.SUnreclaim 6081293 ± 2% +12.2% 6820221 ± 3% meminfo.Slab 420.02 ± 3% -6.9% 391.11 fxmark.ssd_ext4_MWCL_18_bufferedio.idle_sec 46.36 ± 3% -7.3% 42.95 fxmark.ssd_ext4_MWCL_18_bufferedio.idle_util 133.80 +9.9% 147.07 fxmark.ssd_ext4_MWCL_18_bufferedio.sys_sec 14.77 +9.4% 16.15 ± 2% fxmark.ssd_ext4_MWCL_18_bufferedio.sys_util 3.40 ± 3% +12.3% 3.81 ± 2% fxmark.ssd_ext4_MWCL_18_bufferedio.user_sec 0.37 ± 3% +11.8% 0.42 ± 2% fxmark.ssd_ext4_MWCL_18_bufferedio.user_util 9455194 +11.4% 10532038 fxmark.ssd_ext4_MWCL_18_bufferedio.works 187654 +10.9% 208067 fxmark.ssd_ext4_MWCL_18_bufferedio.works/sec 320194 ± 2% +14.0% 364991 ± 4% proc-vmstat.nr_active_file 748619 +15.4% 863566 proc-vmstat.nr_dirtied 1049747 +4.3% 1095271 proc-vmstat.nr_file_pages 1326715 ± 2% +12.5% 1492704 ± 4% proc-vmstat.nr_slab_reclaimable 193876 +9.6% 212469 ± 3% proc-vmstat.nr_slab_unreclaimable 748621 +15.4% 863569 proc-vmstat.nr_written 320194 ± 2% +14.0% 364991 ± 4% proc-vmstat.nr_zone_active_file 2458878 +7.3% 2639428 proc-vmstat.numa_hit 2325681 +7.8% 2506229 proc-vmstat.numa_local 5333733 +9.0% 5812775 proc-vmstat.pgalloc_normal 5244126 +9.3% 5730805 proc-vmstat.pgfree 18378357 ± 2% -4.6% 17536147 ± 2% proc-vmstat.pgpgout *************************************************************************************************** lkp-csl-2sp7: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz (Cascade Lake) with 512G memory ========================================================================================= compiler/cpufreq_governor/directio/disk/fstype/kconfig/media/rootfs/tbox_group/test/testcase/thread_nr: gcc-13/performance/directio/1SSD/ext4/x86_64-rhel-8.3/ssd/debian-11.1-x86_64-20220510.cgz/lkp-csl-2sp7/MWCL/fxmark/18 commit: 1cf5b024a3 ("jbd2: drop pointless shrinker batch initialization") a794c9ad02 ("jbd2: increase maximum transaction size") 1cf5b024a3ffa479 a794c9ad026f0a28044347f3192 ---------------- --------------------------- %stddev %change %stddev \ | \ 82.99 ± 12% +20.2% 99.71 mpstat.max_utilization_pct 329.38 -5.0% 313.04 ± 2% perf-stat.i.instructions-per-iTLB-miss 153741 ± 4% +14.4% 175847 ± 2% turbostat.C1 102.10 +1.1% 103.26 turbostat.PkgWatt 76.73 -1.7% 75.39 iostat.cpu.idle 13.30 +2.2% 13.60 iostat.cpu.iowait 9.52 ± 2% +8.5% 10.33 ± 2% iostat.cpu.system 115484 -7.5% 106777 vmstat.io.bo 911997 +13.2% 1032821 vmstat.memory.buff 26825 +1.2% 27151 vmstat.system.in 45.31 ± 2% -10.1% 40.72 ± 3% fxmark.ssd_ext4_MWCL_18_directio.idle_util 172.12 ± 3% +15.7% 199.13 ± 3% fxmark.ssd_ext4_MWCL_18_directio.sys_sec 19.08 ± 3% +15.1% 21.95 ± 3% fxmark.ssd_ext4_MWCL_18_directio.sys_util 9211191 +11.5% 10268392 fxmark.ssd_ext4_MWCL_18_directio.works 183642 +10.9% 203658 fxmark.ssd_ext4_MWCL_18_directio.works/sec 15.67 ± 3% +10.6% 17.33 ± 2% fxmark.time.percent_of_cpu_this_job_got 919451 +13.3% 1041606 meminfo.Active 913989 +13.3% 1035788 meminfo.Active(file) 915350 +13.3% 1036928 meminfo.Buffers 3702431 +12.3% 4157764 meminfo.KReclaimable 3702431 +12.3% 4157764 meminfo.SReclaimable 4266197 +11.9% 4773429 meminfo.Slab 919001 +13.3% 1041492 numa-meminfo.node0.Active 913908 +13.4% 1036089 numa-meminfo.node0.Active(file) 3680931 +12.3% 4135083 numa-meminfo.node0.KReclaimable 3680931 +12.3% 4135083 numa-meminfo.node0.SReclaimable 499103 ± 3% +12.2% 560196 ± 2% numa-meminfo.node0.SUnreclaim 4180035 +12.3% 4695280 numa-meminfo.node0.Slab 228435 +13.4% 258980 numa-vmstat.node0.nr_active_file 741634 +9.7% 813930 ± 4% numa-vmstat.node0.nr_dirtied 920204 +12.3% 1033566 numa-vmstat.node0.nr_slab_reclaimable 124764 ± 3% +12.2% 140030 ± 2% numa-vmstat.node0.nr_slab_unreclaimable 741636 +9.7% 813931 ± 4% numa-vmstat.node0.nr_written 228435 +13.4% 258980 numa-vmstat.node0.nr_zone_active_file 44474 ± 8% +27.7% 56792 ± 3% sched_debug.cfs_rq:/.avg_vruntime.avg 61425 ± 14% +28.1% 78705 ± 10% sched_debug.cfs_rq:/.avg_vruntime.max 38449 ± 9% +28.4% 49369 ± 3% sched_debug.cfs_rq:/.avg_vruntime.min 44474 ± 8% +27.7% 56792 ± 3% sched_debug.cfs_rq:/.min_vruntime.avg 61425 ± 14% +28.1% 78705 ± 10% sched_debug.cfs_rq:/.min_vruntime.max 38449 ± 9% +28.4% 49369 ± 3% sched_debug.cfs_rq:/.min_vruntime.min 1368 +6.3% 1453 ± 2% proc-vmstat.nr_active_anon 228583 +13.4% 259248 proc-vmstat.nr_active_file 741634 +9.7% 813930 ± 4% proc-vmstat.nr_dirtied 960887 +3.2% 991722 proc-vmstat.nr_file_pages 926829 +12.3% 1040665 proc-vmstat.nr_slab_reclaimable 141078 +9.2% 154034 proc-vmstat.nr_slab_unreclaimable 741636 +9.7% 813931 ± 4% proc-vmstat.nr_written 1368 +6.3% 1453 ± 2% proc-vmstat.nr_zone_active_anon 228583 +13.4% 259248 proc-vmstat.nr_zone_active_file 2377668 +7.2% 2548605 proc-vmstat.numa_hit 2277581 +7.3% 2444791 proc-vmstat.numa_local 27510 +9.6% 30163 proc-vmstat.pgactivate 5155991 +9.2% 5629540 proc-vmstat.pgalloc_normal 5134429 +9.2% 5608738 proc-vmstat.pgfree 18015387 -5.4% 17048860 proc-vmstat.pgpgout 6.85 ± 6% -2.2 4.68 ± 12% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm 6.85 ± 6% -2.2 4.68 ± 12% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm 6.85 ± 6% -2.2 4.68 ± 12% perf-profile.calltrace.cycles-pp.ret_from_fork_asm 5.63 ± 5% -1.9 3.74 ± 14% perf-profile.calltrace.cycles-pp.kjournald2.kthread.ret_from_fork.ret_from_fork_asm 5.61 ± 5% -1.9 3.74 ± 14% perf-profile.calltrace.cycles-pp.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork.ret_from_fork_asm 2.53 ± 10% -0.7 1.83 ± 8% perf-profile.calltrace.cycles-pp.jbd2_journal_get_write_access.__ext4_journal_get_write_access.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir 2.55 ± 9% -0.7 1.86 ± 8% perf-profile.calltrace.cycles-pp.__ext4_journal_get_write_access.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir.ext4_create 1.79 ± 12% -0.6 1.17 ± 8% perf-profile.calltrace.cycles-pp.jbd2_journal_dirty_metadata.__ext4_handle_dirty_metadata.add_dirent_to_buf.ext4_dx_add_entry.ext4_add_entry 1.88 ± 11% -0.6 1.29 ± 8% perf-profile.calltrace.cycles-pp.__ext4_handle_dirty_metadata.add_dirent_to_buf.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir 1.68 ± 12% -0.6 1.13 ± 10% perf-profile.calltrace.cycles-pp.do_get_write_access.jbd2_journal_get_write_access.__ext4_journal_get_write_access.ext4_dx_add_entry.ext4_add_entry 0.95 ± 19% -0.5 0.41 ± 72% perf-profile.calltrace.cycles-pp._raw_spin_lock.do_get_write_access.jbd2_journal_get_write_access.__ext4_journal_get_write_access.ext4_dx_add_entry 1.42 ± 11% -0.5 0.94 ± 14% perf-profile.calltrace.cycles-pp.crc32c_pcl_intel_update.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork 1.40 ± 11% -0.5 0.92 ± 14% perf-profile.calltrace.cycles-pp.crc_pcl.crc32c_pcl_intel_update.jbd2_journal_commit_transaction.kjournald2.kthread 1.08 ± 17% -0.4 0.65 ± 9% perf-profile.calltrace.cycles-pp._raw_spin_lock.jbd2_journal_dirty_metadata.__ext4_handle_dirty_metadata.add_dirent_to_buf.ext4_dx_add_entry 1.60 ± 7% -0.3 1.31 ± 11% perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 0.63 ± 6% -0.3 0.38 ± 71% perf-profile.calltrace.cycles-pp.asm_common_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 0.63 ± 6% -0.2 0.38 ± 71% perf-profile.calltrace.cycles-pp.common_interrupt.asm_common_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 0.95 ± 11% -0.2 0.72 ± 5% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 0.84 ± 12% -0.2 0.64 ± 6% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 0.76 ± 5% -0.1 0.66 ± 8% perf-profile.calltrace.cycles-pp.jbd2_journal_get_write_access.__ext4_journal_get_write_access.__ext4_new_inode.ext4_create.lookup_open 1.52 ± 6% +0.1 1.62 ± 2% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 0.67 ± 13% +0.1 0.81 ± 9% perf-profile.calltrace.cycles-pp.__ext4_read_dirblock.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir.ext4_create 0.84 ± 9% +0.2 1.00 ± 13% perf-profile.calltrace.cycles-pp.dput.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.27 ± 6% +0.2 1.44 ± 5% perf-profile.calltrace.cycles-pp.ext4_bread.__ext4_read_dirblock.dx_probe.ext4_dx_add_entry.ext4_add_entry 1.26 ± 6% +0.2 1.43 ± 4% perf-profile.calltrace.cycles-pp.ext4_getblk.ext4_bread.__ext4_read_dirblock.dx_probe.ext4_dx_add_entry 1.46 ± 7% +0.2 1.66 ± 4% perf-profile.calltrace.cycles-pp.do_split.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir.ext4_create 1.42 ± 7% +0.2 1.66 ± 6% perf-profile.calltrace.cycles-pp.__ext4_read_dirblock.dx_probe.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir 2.34 ± 4% +0.3 2.59 ± 3% perf-profile.calltrace.cycles-pp.dx_probe.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir.ext4_create 1.98 ± 3% +0.3 2.24 ± 6% perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 2.54 ± 4% +0.3 2.83 ± 5% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 2.57 ± 4% +0.3 2.87 ± 5% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close 2.42 ± 4% +0.3 2.74 ± 5% perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 2.39 ± 5% +0.4 2.74 ± 5% perf-profile.calltrace.cycles-pp.ext4_bread.__ext4_read_dirblock.dx_probe.ext4_dx_find_entry.__ext4_find_entry 2.38 ± 5% +0.4 2.73 ± 5% perf-profile.calltrace.cycles-pp.ext4_getblk.ext4_bread.__ext4_read_dirblock.dx_probe.ext4_dx_find_entry 2.62 ± 6% +0.5 3.07 ± 4% perf-profile.calltrace.cycles-pp.__ext4_read_dirblock.dx_probe.ext4_dx_find_entry.__ext4_find_entry.ext4_lookup 3.64 ± 4% +0.5 4.13 ± 4% perf-profile.calltrace.cycles-pp.dx_probe.ext4_dx_find_entry.__ext4_find_entry.ext4_lookup.lookup_open 18.30 ± 2% +0.9 19.16 perf-profile.calltrace.cycles-pp.__ext4_find_entry.ext4_lookup.lookup_open.open_last_lookups.path_openat 18.92 ± 2% +0.9 19.81 perf-profile.calltrace.cycles-pp.ext4_lookup.lookup_open.open_last_lookups.path_openat.do_filp_open 4.84 +1.0 5.82 ± 10% perf-profile.calltrace.cycles-pp.__ext4_check_dir_entry.ext4_find_dest_de.add_dirent_to_buf.ext4_dx_add_entry.ext4_add_entry 15.33 +1.2 16.48 ± 2% perf-profile.calltrace.cycles-pp.ext4_find_dest_de.add_dirent_to_buf.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir 51.37 +1.7 53.03 ± 2% perf-profile.calltrace.cycles-pp.ext4_create.lookup_open.open_last_lookups.path_openat.do_filp_open 72.49 +2.6 75.05 perf-profile.calltrace.cycles-pp.lookup_open.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 73.47 +2.7 76.12 perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 80.62 +2.7 83.30 perf-profile.calltrace.cycles-pp.open64 78.14 +2.7 80.83 perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64 79.10 +2.7 81.80 perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 78.22 +2.7 80.92 perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 79.14 +2.7 81.85 perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 79.56 +2.7 82.29 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 79.60 +2.7 82.33 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64 6.86 ± 6% -2.2 4.68 ± 12% perf-profile.children.cycles-pp.ret_from_fork 6.86 ± 6% -2.2 4.68 ± 12% perf-profile.children.cycles-pp.ret_from_fork_asm 6.85 ± 6% -2.2 4.68 ± 12% perf-profile.children.cycles-pp.kthread 5.63 ± 5% -1.9 3.74 ± 14% perf-profile.children.cycles-pp.jbd2_journal_commit_transaction 5.63 ± 5% -1.9 3.74 ± 14% perf-profile.children.cycles-pp.kjournald2 6.26 ± 7% -1.0 5.24 ± 4% perf-profile.children.cycles-pp.jbd2_journal_get_write_access 6.46 ± 7% -1.0 5.45 ± 4% perf-profile.children.cycles-pp.__ext4_journal_get_write_access 2.15 ± 11% -0.7 1.46 ± 7% perf-profile.children.cycles-pp.jbd2_journal_dirty_metadata 3.07 ± 8% -0.7 2.38 ± 6% perf-profile.children.cycles-pp.__ext4_handle_dirty_metadata 1.96 ± 12% -0.6 1.32 ± 9% perf-profile.children.cycles-pp.do_get_write_access 2.74 ± 16% -0.5 2.20 ± 11% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 2.62 ± 4% -0.4 2.20 ± 5% perf-profile.children.cycles-pp.crc_pcl 3.91 ± 4% -0.4 3.49 ± 4% perf-profile.children.cycles-pp.crc32c_pcl_intel_update 1.18 ± 4% -0.3 0.89 ± 10% perf-profile.children.cycles-pp.__jbd2_journal_file_buffer 1.67 ± 6% -0.3 1.38 ± 11% perf-profile.children.cycles-pp.intel_idle 0.66 ± 8% -0.2 0.44 ± 20% perf-profile.children.cycles-pp.jbd2_journal_write_metadata_buffer 1.28 ± 7% -0.2 1.07 ± 6% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.58 ± 8% -0.2 0.40 ± 14% perf-profile.children.cycles-pp.__jbd2_journal_refile_buffer 1.13 ± 9% -0.2 0.95 ± 7% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.56 ± 9% -0.2 0.40 ± 11% perf-profile.children.cycles-pp.__jbd2_journal_temp_unlink_buffer 1.20 ± 2% -0.2 1.05 ± 4% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 0.40 ± 8% -0.1 0.27 ± 18% perf-profile.children.cycles-pp.jbd2_journal_put_journal_head 0.33 ± 9% -0.1 0.21 ± 21% perf-profile.children.cycles-pp.__jbd2_journal_remove_checkpoint 0.34 ± 15% -0.1 0.24 ± 14% perf-profile.children.cycles-pp.mark_buffer_dirty 0.36 ± 10% -0.1 0.26 ± 10% perf-profile.children.cycles-pp.submit_bh_wbc 0.26 ± 14% -0.1 0.17 ± 13% perf-profile.children.cycles-pp.__slab_free 0.35 ± 10% -0.1 0.26 ± 12% perf-profile.children.cycles-pp.end_bio_bh_io_sync 0.28 ± 12% -0.1 0.20 ± 13% perf-profile.children.cycles-pp.jbd2_journal_add_journal_head 0.41 ± 13% -0.1 0.33 ± 15% perf-profile.children.cycles-pp.submit_bio_noacct_nocheck 0.38 ± 16% -0.1 0.30 ± 15% perf-profile.children.cycles-pp.__submit_bio 0.16 ± 17% -0.1 0.09 ± 17% perf-profile.children.cycles-pp.free_buffer_head 0.22 ± 6% -0.1 0.14 ± 28% perf-profile.children.cycles-pp.jbd2_journal_file_buffer 0.59 ± 7% -0.1 0.53 ± 7% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.34 ± 13% -0.1 0.27 ± 12% perf-profile.children.cycles-pp.blk_mq_submit_bio 0.16 ± 16% -0.1 0.10 ± 15% perf-profile.children.cycles-pp.bio_alloc_bioset 0.23 ± 8% -0.0 0.18 ± 14% perf-profile.children.cycles-pp.ktime_get 0.11 ± 6% -0.0 0.07 ± 12% perf-profile.children.cycles-pp.mempool_alloc_noprof 0.12 ± 14% +0.0 0.15 ± 4% perf-profile.children.cycles-pp.ext4_get_group_info 0.10 ± 18% +0.0 0.15 ± 16% perf-profile.children.cycles-pp.__irqentry_text_start 0.09 ± 32% +0.1 0.16 ± 24% perf-profile.children.cycles-pp.mnt_want_write 0.22 ± 9% +0.1 0.29 ± 16% perf-profile.children.cycles-pp.memcg_list_lru_alloc 0.13 ± 53% +0.1 0.22 ± 30% perf-profile.children.cycles-pp.__dquot_initialize 2.40 ± 3% +0.2 2.59 ± 5% perf-profile.children.cycles-pp.ext4_fill_raw_inode 1.47 ± 7% +0.2 1.67 ± 4% perf-profile.children.cycles-pp.do_split 2.00 ± 3% +0.3 2.26 ± 6% perf-profile.children.cycles-pp.__fput 2.42 ± 4% +0.3 2.74 ± 5% perf-profile.children.cycles-pp.__x64_sys_close 5.98 ± 4% +0.8 6.74 ± 2% perf-profile.children.cycles-pp.dx_probe 18.30 ± 2% +0.9 19.16 perf-profile.children.cycles-pp.__ext4_find_entry 18.92 ± 2% +0.9 19.82 perf-profile.children.cycles-pp.ext4_lookup 4.94 +1.0 5.94 ± 10% perf-profile.children.cycles-pp.__ext4_check_dir_entry 8.26 ± 5% +1.0 9.29 ± 3% perf-profile.children.cycles-pp.__ext4_read_dirblock 15.44 +1.1 16.58 ± 2% perf-profile.children.cycles-pp.ext4_find_dest_de 51.38 +1.7 53.03 ± 2% perf-profile.children.cycles-pp.ext4_create 72.50 +2.6 75.06 perf-profile.children.cycles-pp.lookup_open 73.48 +2.7 76.13 perf-profile.children.cycles-pp.open_last_lookups 80.70 +2.7 83.36 perf-profile.children.cycles-pp.open64 78.19 +2.7 80.87 perf-profile.children.cycles-pp.path_openat 79.15 +2.7 81.84 perf-profile.children.cycles-pp.do_sys_openat2 78.26 +2.7 80.96 perf-profile.children.cycles-pp.do_filp_open 79.19 +2.7 81.89 perf-profile.children.cycles-pp.__x64_sys_openat 82.66 +2.9 85.59 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 82.58 +2.9 85.51 perf-profile.children.cycles-pp.do_syscall_64 2.72 ± 16% -0.5 2.19 ± 11% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 2.61 ± 4% -0.4 2.18 ± 5% perf-profile.self.cycles-pp.crc_pcl 1.18 ± 5% -0.4 0.77 ± 16% perf-profile.self.cycles-pp.jbd2_journal_commit_transaction 2.27 ± 8% -0.3 1.97 ± 9% perf-profile.self.cycles-pp.jbd2_journal_get_write_access 1.67 ± 6% -0.3 1.38 ± 11% perf-profile.self.cycles-pp.intel_idle 0.78 ± 3% -0.2 0.57 ± 9% perf-profile.self.cycles-pp.__jbd2_journal_file_buffer 0.56 ± 9% -0.2 0.40 ± 11% perf-profile.self.cycles-pp.__jbd2_journal_temp_unlink_buffer 0.35 ± 5% -0.1 0.22 ± 28% perf-profile.self.cycles-pp.jbd2_journal_write_metadata_buffer 0.37 ± 7% -0.1 0.25 ± 20% perf-profile.self.cycles-pp.jbd2_journal_put_journal_head 0.28 ± 13% -0.1 0.18 ± 14% perf-profile.self.cycles-pp.do_get_write_access 0.26 ± 13% -0.1 0.16 ± 13% perf-profile.self.cycles-pp.__slab_free 0.26 ± 13% -0.1 0.18 ± 14% perf-profile.self.cycles-pp.jbd2_journal_add_journal_head 0.49 ± 6% -0.1 0.44 ± 6% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.18 ± 10% -0.0 0.13 ± 23% perf-profile.self.cycles-pp.cpuidle_enter_state 0.17 ± 7% -0.0 0.13 ± 9% perf-profile.self.cycles-pp.jbd2__journal_start 0.16 ± 8% -0.0 0.13 ± 13% perf-profile.self.cycles-pp.ktime_get 0.12 ± 14% +0.0 0.15 ± 3% perf-profile.self.cycles-pp.ext4_get_group_info 0.03 ±100% +0.1 0.08 ± 27% perf-profile.self.cycles-pp.ext4_group_desc_csum_set 1.06 ± 6% +0.1 1.17 ± 5% perf-profile.self.cycles-pp.filemap_get_entry 4.89 +1.0 5.88 ± 10% perf-profile.self.cycles-pp.__ext4_check_dir_entry 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