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linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Wed, 22 Nov 2023 05:44:14 -0800 (PST) Hello, kernel test robot noticed a -3.7% regression of aim7.jobs-per-min on: commit: f6eccb430010201d3c155b73035f3bf755fe7697 ("[PATCH v3 5/5] mm: memcg: restore subtree stats flushing") url: https://github.com/intel-lab-lkp/linux/commits/Yosry-Ahmed/mm-memcg-change-flush_next_time-to-flush_last_time/20231116-103300 base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/all/20231116022411.2250072-6-yosryahmed@google.com/ patch subject: [PATCH v3 5/5] mm: memcg: restore subtree stats flushing testcase: aim7 test machine: 128 threads 2 sockets Intel(R) Xeon(R) Gold 6338 CPU @ 2.00GHz (Ice Lake) with 256G memory parameters: disk: 1BRD_48G fs: ext4 test: disk_rr load: 3000 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 | Closes: https://lore.kernel.org/oe-lkp/202311221505.65236274-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/20231122/202311221505.65236274-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/disk/fs/kconfig/load/rootfs/tbox_group/test/testcase: gcc-12/performance/1BRD_48G/ext4/x86_64-rhel-8.3/3000/debian-11.1-x86_64-20220510.cgz/lkp-icl-2sp2/disk_rr/aim7 commit: 4c86da8ea2 ("mm: workingset: move the stats flush into workingset_test_recent()") f6eccb4300 ("mm: memcg: restore subtree stats flushing") 4c86da8ea2d2f784 f6eccb430010201d3c155b73035 ---------------- --------------------------- %stddev %change %stddev \ | \ 15513 ? 14% +17.4% 18206 ? 7% numa-vmstat.node1.nr_mapped 616938 -3.7% 593885 aim7.jobs-per-min 149804 ? 4% +17.6% 176189 ? 6% aim7.time.involuntary_context_switches 2310 +6.3% 2455 aim7.time.system_time 24960256 ? 9% -14.1% 21429987 ? 7% perf-stat.i.branch-misses 1357010 ? 14% -22.6% 1050646 ? 10% perf-stat.i.dTLB-load-misses 0.20 ? 8% -0.0 0.16 ? 7% perf-stat.overall.branch-miss-rate% 2.80 +5.7% 2.96 perf-stat.overall.cpi 1506 +7.9% 1624 ? 2% perf-stat.overall.cycles-between-cache-misses 0.36 -5.4% 0.34 perf-stat.overall.ipc 24383919 ? 8% -14.5% 20853721 ? 7% perf-stat.ps.branch-misses 0.00 ?223% +2700.0% 0.01 ? 10% perf-sched.sch_delay.avg.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.00 ? 35% +1454.2% 0.06 ? 54% perf-sched.sch_delay.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64 0.01 ? 13% +3233.3% 0.18 ? 41% perf-sched.sch_delay.avg.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64 0.01 ? 30% +5900.0% 0.31 ? 47% perf-sched.sch_delay.avg.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64 0.00 ?141% +337.5% 0.01 ? 6% perf-sched.sch_delay.avg.ms.schedule_timeout.__wait_for_common.__flush_work.isra.0 0.00 ? 9% +2843.5% 0.11 ?116% perf-sched.sch_delay.avg.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread 0.00 ?223% +660.0% 0.01 ? 16% perf-sched.sch_delay.max.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.01 ? 9% -41.3% 0.00 ? 11% perf-sched.sch_delay.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 0.20 ?206% +3311.9% 6.66 ? 72% perf-sched.sch_delay.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64 0.02 ? 41% +1.8e+05% 28.67 ? 53% perf-sched.sch_delay.max.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64 0.01 ? 52% +41275.8% 2.28 ? 72% 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 ? 23% +2.8e+05% 20.56 ? 65% perf-sched.sch_delay.max.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64 0.01 ? 11% +142.9% 0.01 ? 76% perf-sched.sch_delay.max.ms.schedule_hrtimeout_range_clock.do_poll.constprop.0.do_sys_poll 0.00 ?141% +412.5% 0.01 ? 15% perf-sched.sch_delay.max.ms.schedule_timeout.__wait_for_common.__flush_work.isra.0 0.01 ? 42% +177.3% 0.02 ? 66% perf-sched.sch_delay.max.ms.schedule_timeout.kcompactd.kthread.ret_from_fork 0.01 ? 20% +1.3e+05% 12.95 ?105% perf-sched.sch_delay.max.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread 0.07 ?131% +289.2% 0.27 ? 55% perf-sched.total_sch_delay.average.ms 0.39 ? 5% +307.4% 1.58 ? 22% perf-sched.wait_and_delay.avg.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64 0.33 ? 46% +5674.0% 18.79 ? 73% perf-sched.wait_and_delay.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone 0.83 ?223% +41660.0% 348.00 ? 74% perf-sched.wait_and_delay.count.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64 11.25 ? 64% +225.6% 36.62 ? 45% perf-sched.wait_and_delay.max.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64 0.81 ? 44% +1.1e+05% 912.56 ? 92% perf-sched.wait_and_delay.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone 0.61 ?223% +11430.9% 69.86 ? 55% perf-sched.wait_time.avg.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 1.44 ? 50% +1120.7% 17.58 ? 49% perf-sched.wait_time.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 0.06 ?204% +6992.9% 4.16 ? 91% perf-sched.wait_time.avg.ms.do_task_dead.do_exit.do_group_exit.get_signal.arch_do_signal_or_restart 0.38 ? 5% +265.2% 1.40 ? 21% perf-sched.wait_time.avg.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64 0.57 ?141% +1413.0% 8.59 ?110% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range_clock.do_select.core_sys_select.kern_select 0.00 ?223% +3.8e+06% 25.42 ?143% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.__flush_work.isra.0 0.35 ? 24% +5215.2% 18.72 ? 73% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone 1.03 ? 70% +1610.0% 17.59 ? 49% perf-sched.wait_time.avg.ms.syslog_print.do_syslog.kmsg_read.vfs_read 2.82 ?223% +6949.3% 198.44 ? 60% perf-sched.wait_time.max.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 2.69 ? 45% +4345.1% 119.46 ? 71% perf-sched.wait_time.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 0.10 ?212% +10364.1% 10.59 ?106% perf-sched.wait_time.max.ms.do_task_dead.do_exit.do_group_exit.get_signal.arch_do_signal_or_restart 1.14 ?141% +6549.1% 75.53 ?137% perf-sched.wait_time.max.ms.schedule_hrtimeout_range_clock.do_select.core_sys_select.kern_select 0.00 ?223% +6.5e+06% 76.30 ?141% perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.__flush_work.isra.0 0.91 ? 15% +1e+05% 912.19 ? 92% perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone 2.06 ? 70% +5708.3% 119.46 ? 71% perf-sched.wait_time.max.ms.syslog_print.do_syslog.kmsg_read.vfs_read 2.59 -0.1 2.45 perf-profile.calltrace.cycles-pp.ext4_block_write_begin.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter.vfs_write 2.10 -0.1 1.99 perf-profile.calltrace.cycles-pp.ext4_da_do_write_end.generic_perform_write.ext4_buffered_write_iter.vfs_write.ksys_write 0.70 ? 2% -0.1 0.59 perf-profile.calltrace.cycles-pp.workingset_activation.folio_mark_accessed.filemap_read.vfs_read.ksys_read 1.75 -0.1 1.65 perf-profile.calltrace.cycles-pp.copy_page_to_iter.filemap_read.vfs_read.ksys_read.do_syscall_64 1.41 -0.1 1.32 perf-profile.calltrace.cycles-pp.llseek 1.66 -0.1 1.57 perf-profile.calltrace.cycles-pp._copy_to_iter.copy_page_to_iter.filemap_read.vfs_read.ksys_read 1.75 -0.1 1.67 perf-profile.calltrace.cycles-pp.block_write_end.ext4_da_do_write_end.generic_perform_write.ext4_buffered_write_iter.vfs_write 1.66 -0.1 1.58 perf-profile.calltrace.cycles-pp.__block_commit_write.block_write_end.ext4_da_do_write_end.generic_perform_write.ext4_buffered_write_iter 0.84 -0.1 0.78 perf-profile.calltrace.cycles-pp.ext4_da_map_blocks.ext4_da_get_block_prep.ext4_block_write_begin.ext4_da_write_begin.generic_perform_write 0.86 -0.1 0.80 perf-profile.calltrace.cycles-pp.ext4_da_get_block_prep.ext4_block_write_begin.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter 0.94 -0.1 0.89 perf-profile.calltrace.cycles-pp.zero_user_segments.ext4_block_write_begin.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter 0.92 -0.1 0.86 perf-profile.calltrace.cycles-pp.memset_orig.zero_user_segments.ext4_block_write_begin.ext4_da_write_begin.generic_perform_write 0.71 -0.1 0.66 ? 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.llseek 0.86 -0.0 0.81 perf-profile.calltrace.cycles-pp.copy_page_from_iter_atomic.generic_perform_write.ext4_buffered_write_iter.vfs_write.ksys_write 0.60 -0.0 0.56 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.llseek 0.94 -0.0 0.90 perf-profile.calltrace.cycles-pp.mark_buffer_dirty.__block_commit_write.block_write_end.ext4_da_do_write_end.generic_perform_write 0.85 -0.0 0.82 perf-profile.calltrace.cycles-pp.filemap_get_pages.filemap_read.vfs_read.ksys_read.do_syscall_64 0.71 -0.0 0.69 perf-profile.calltrace.cycles-pp.filemap_get_read_batch.filemap_get_pages.filemap_read.vfs_read.ksys_read 0.94 -0.0 0.91 perf-profile.calltrace.cycles-pp.balance_dirty_pages_ratelimited_flags.generic_perform_write.ext4_buffered_write_iter.vfs_write.ksys_write 1.08 -0.0 1.05 perf-profile.calltrace.cycles-pp.try_to_free_buffers.truncate_cleanup_folio.truncate_inode_pages_range.ext4_evict_inode.evict 0.70 -0.0 0.68 perf-profile.calltrace.cycles-pp.__folio_mark_dirty.mark_buffer_dirty.__block_commit_write.block_write_end.ext4_da_do_write_end 1.35 -0.0 1.34 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.__folio_batch_release 1.39 -0.0 1.37 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.__folio_batch_release.truncate_inode_pages_range.ext4_evict_inode.evict 1.35 -0.0 1.34 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.__folio_batch_release.truncate_inode_pages_range 1.35 -0.0 1.34 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.__folio_batch_release.truncate_inode_pages_range.ext4_evict_inode 0.53 -0.0 0.51 perf-profile.calltrace.cycles-pp.folio_alloc.__filemap_get_folio.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter 28.25 +0.2 28.47 perf-profile.calltrace.cycles-pp.__folio_batch_release.truncate_inode_pages_range.ext4_evict_inode.evict.__dentry_kill 25.49 +0.2 25.73 perf-profile.calltrace.cycles-pp.release_pages.__folio_batch_release.truncate_inode_pages_range.ext4_evict_inode.evict 24.68 +0.3 24.94 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.release_pages.__folio_batch_release 24.70 +0.3 24.96 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.release_pages.__folio_batch_release.truncate_inode_pages_range 24.70 +0.3 24.97 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.release_pages.__folio_batch_release.truncate_inode_pages_range.ext4_evict_inode 33.66 +0.3 33.95 perf-profile.calltrace.cycles-pp.ext4_buffered_write_iter.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe 23.80 +0.3 24.11 perf-profile.calltrace.cycles-pp.folio_mark_accessed.filemap_read.vfs_read.ksys_read.do_syscall_64 32.63 +0.3 32.97 perf-profile.calltrace.cycles-pp.generic_perform_write.ext4_buffered_write_iter.vfs_write.ksys_write.do_syscall_64 22.93 +0.4 23.35 perf-profile.calltrace.cycles-pp.folio_activate.folio_mark_accessed.filemap_read.vfs_read.ksys_read 22.08 +0.4 22.50 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_activate.folio_mark_accessed.filemap_read 22.07 +0.4 22.49 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_activate.folio_mark_accessed 22.06 +0.4 22.48 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_activate 22.88 +0.4 23.31 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.folio_activate.folio_mark_accessed.filemap_read.vfs_read 27.90 +0.6 28.49 perf-profile.calltrace.cycles-pp.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter.vfs_write.ksys_write 25.00 +0.8 25.76 perf-profile.calltrace.cycles-pp.__filemap_get_folio.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter.vfs_write 23.72 +0.8 24.54 perf-profile.calltrace.cycles-pp.filemap_add_folio.__filemap_get_folio.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter 22.56 +0.8 23.39 perf-profile.calltrace.cycles-pp.folio_add_lru.filemap_add_folio.__filemap_get_folio.ext4_da_write_begin.generic_perform_write 22.52 +0.8 23.34 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.folio_add_lru.filemap_add_folio.__filemap_get_folio.ext4_da_write_begin 21.97 +0.8 22.81 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru.filemap_add_folio.__filemap_get_folio 21.94 +0.8 22.79 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru 21.96 +0.8 22.80 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru.filemap_add_folio 0.41 -0.2 0.24 ? 2% perf-profile.children.cycles-pp.mem_cgroup_css_rstat_flush 0.54 -0.2 0.37 ? 2% perf-profile.children.cycles-pp.cgroup_rstat_flush_locked 0.55 -0.2 0.38 perf-profile.children.cycles-pp.cgroup_rstat_flush 2.60 -0.1 2.46 perf-profile.children.cycles-pp.ext4_block_write_begin 1.66 -0.1 1.56 perf-profile.children.cycles-pp.llseek 0.70 ? 2% -0.1 0.59 perf-profile.children.cycles-pp.workingset_activation 2.12 -0.1 2.02 perf-profile.children.cycles-pp.ext4_da_do_write_end 0.52 ? 3% -0.1 0.42 perf-profile.children.cycles-pp.workingset_age_nonresident 1.76 -0.1 1.66 perf-profile.children.cycles-pp.copy_page_to_iter 1.67 -0.1 1.58 perf-profile.children.cycles-pp._copy_to_iter 1.78 -0.1 1.69 perf-profile.children.cycles-pp.block_write_end 1.67 -0.1 1.59 perf-profile.children.cycles-pp.__block_commit_write 1.00 -0.1 0.94 perf-profile.children.cycles-pp.__entry_text_start 0.86 -0.1 0.81 perf-profile.children.cycles-pp.ext4_da_get_block_prep 0.60 -0.1 0.54 ? 2% perf-profile.children.cycles-pp.__fdget_pos 0.79 -0.1 0.73 ? 2% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.87 -0.1 0.82 perf-profile.children.cycles-pp.copy_page_from_iter_atomic 0.95 -0.1 0.89 perf-profile.children.cycles-pp.zero_user_segments 0.85 -0.1 0.80 perf-profile.children.cycles-pp.ext4_da_map_blocks 0.95 -0.1 0.90 perf-profile.children.cycles-pp.memset_orig 0.43 -0.0 0.38 ? 2% perf-profile.children.cycles-pp.__fget_light 0.50 -0.0 0.46 perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.47 ? 2% -0.0 0.42 perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.41 ? 3% -0.0 0.36 ? 2% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.40 ? 3% -0.0 0.36 ? 2% perf-profile.children.cycles-pp.hrtimer_interrupt 0.37 ? 2% -0.0 0.33 ? 2% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.64 -0.0 0.60 perf-profile.children.cycles-pp.xas_load 0.74 -0.0 0.70 perf-profile.children.cycles-pp.filemap_get_read_batch 0.95 -0.0 0.92 perf-profile.children.cycles-pp.mark_buffer_dirty 0.44 -0.0 0.41 perf-profile.children.cycles-pp.file_modified 0.98 -0.0 0.94 perf-profile.children.cycles-pp.balance_dirty_pages_ratelimited_flags 0.87 -0.0 0.84 perf-profile.children.cycles-pp.filemap_get_pages 0.43 -0.0 0.40 perf-profile.children.cycles-pp.fault_in_iov_iter_readable 0.31 ? 6% -0.0 0.28 perf-profile.children.cycles-pp.disk_rr 0.41 -0.0 0.38 perf-profile.children.cycles-pp.touch_atime 0.38 -0.0 0.35 perf-profile.children.cycles-pp.fault_in_readable 0.32 ? 2% -0.0 0.30 perf-profile.children.cycles-pp.xas_descend 0.37 -0.0 0.34 ? 3% perf-profile.children.cycles-pp.ksys_lseek 0.34 -0.0 0.32 perf-profile.children.cycles-pp.atime_needs_update 1.08 -0.0 1.06 perf-profile.children.cycles-pp.try_to_free_buffers 0.20 ? 2% -0.0 0.17 ? 2% perf-profile.children.cycles-pp.syscall_enter_from_user_mode 0.22 ? 2% -0.0 0.20 ? 2% perf-profile.children.cycles-pp.ext4_es_insert_delayed_block 0.34 ? 2% -0.0 0.32 perf-profile.children.cycles-pp.__cond_resched 0.44 -0.0 0.42 perf-profile.children.cycles-pp.filemap_get_entry 0.23 ? 2% -0.0 0.21 perf-profile.children.cycles-pp.inode_needs_update_time 0.71 -0.0 0.69 perf-profile.children.cycles-pp.__folio_mark_dirty 0.37 -0.0 0.36 perf-profile.children.cycles-pp.__mem_cgroup_charge 0.24 ? 2% -0.0 0.22 ? 2% perf-profile.children.cycles-pp._raw_spin_lock 0.24 -0.0 0.22 perf-profile.children.cycles-pp.syscall_return_via_sysret 0.40 -0.0 0.38 perf-profile.children.cycles-pp.syscall_exit_to_user_mode 0.14 -0.0 0.13 ? 2% perf-profile.children.cycles-pp.up_write 0.50 -0.0 0.49 perf-profile.children.cycles-pp.alloc_pages_mpol 0.14 -0.0 0.13 perf-profile.children.cycles-pp.current_time 0.10 -0.0 0.09 perf-profile.children.cycles-pp.__es_insert_extent 0.25 ? 3% +0.0 0.27 ? 3% perf-profile.children.cycles-pp.__mod_lruvec_state 0.19 ? 3% +0.0 0.21 ? 3% perf-profile.children.cycles-pp.__mod_node_page_state 1.12 +0.1 1.20 perf-profile.children.cycles-pp.__mod_lruvec_page_state 0.99 +0.1 1.09 ? 2% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state 0.00 +0.1 0.13 ? 3% perf-profile.children.cycles-pp.mutex_spin_on_owner 30.58 +0.1 30.72 perf-profile.children.cycles-pp.dput 0.64 +0.1 0.79 ? 4% perf-profile.children.cycles-pp.cgroup_rstat_updated 30.44 +0.2 30.60 perf-profile.children.cycles-pp.truncate_inode_pages_range 0.00 +0.2 0.18 ? 3% perf-profile.children.cycles-pp.__mutex_lock 97.33 +0.2 97.51 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 97.11 +0.2 97.31 perf-profile.children.cycles-pp.do_syscall_64 28.25 +0.2 28.47 perf-profile.children.cycles-pp.__folio_batch_release 25.74 +0.2 25.96 perf-profile.children.cycles-pp.release_pages 33.71 +0.3 33.99 perf-profile.children.cycles-pp.ext4_buffered_write_iter 23.82 +0.3 24.12 perf-profile.children.cycles-pp.folio_mark_accessed 32.74 +0.3 33.09 perf-profile.children.cycles-pp.generic_perform_write 22.94 +0.4 23.36 perf-profile.children.cycles-pp.folio_activate 27.94 +0.6 28.53 perf-profile.children.cycles-pp.ext4_da_write_begin 25.04 +0.8 25.80 perf-profile.children.cycles-pp.__filemap_get_folio 23.73 +0.8 24.54 perf-profile.children.cycles-pp.filemap_add_folio 22.61 +0.8 23.44 perf-profile.children.cycles-pp.folio_add_lru 48.23 +1.2 49.47 perf-profile.children.cycles-pp.folio_batch_move_lru 71.67 +1.5 73.13 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 71.80 +1.5 73.29 perf-profile.children.cycles-pp._raw_spin_lock_irqsave 71.64 +1.5 73.14 perf-profile.children.cycles-pp.folio_lruvec_lock_irqsave 0.40 ? 2% -0.2 0.23 ? 2% perf-profile.self.cycles-pp.mem_cgroup_css_rstat_flush 0.52 ? 2% -0.1 0.42 ? 2% perf-profile.self.cycles-pp.workingset_age_nonresident 1.65 -0.1 1.56 perf-profile.self.cycles-pp._copy_to_iter 0.86 -0.1 0.81 perf-profile.self.cycles-pp.copy_page_from_iter_atomic 0.94 -0.1 0.89 perf-profile.self.cycles-pp.memset_orig 0.76 -0.0 0.71 ? 2% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.52 ? 4% -0.0 0.47 perf-profile.self.cycles-pp.__mod_memcg_lruvec_state 0.40 -0.0 0.36 ? 3% perf-profile.self.cycles-pp.__fget_light 0.53 ? 2% -0.0 0.50 perf-profile.self.cycles-pp.vfs_write 0.63 -0.0 0.59 perf-profile.self.cycles-pp.filemap_read 0.66 -0.0 0.62 perf-profile.self.cycles-pp.__block_commit_write 0.37 -0.0 0.34 ? 2% perf-profile.self.cycles-pp.fault_in_readable 0.43 -0.0 0.41 perf-profile.self.cycles-pp.vfs_read 0.26 ? 4% -0.0 0.24 ? 2% perf-profile.self.cycles-pp.balance_dirty_pages_ratelimited_flags 0.28 -0.0 0.26 ? 2% perf-profile.self.cycles-pp.xas_descend 0.28 -0.0 0.26 perf-profile.self.cycles-pp.read 0.28 -0.0 0.25 perf-profile.self.cycles-pp.__filemap_get_folio 0.17 -0.0 0.15 ? 2% perf-profile.self.cycles-pp.syscall_enter_from_user_mode 0.27 -0.0 0.25 perf-profile.self.cycles-pp.do_syscall_64 0.46 -0.0 0.44 perf-profile.self.cycles-pp.filemap_get_read_batch 0.22 ? 2% -0.0 0.20 ? 4% perf-profile.self.cycles-pp.ext4_da_write_begin 0.26 -0.0 0.25 ? 2% perf-profile.self.cycles-pp.__entry_text_start 0.24 -0.0 0.22 perf-profile.self.cycles-pp.syscall_return_via_sysret 0.21 ? 2% -0.0 0.19 ? 2% perf-profile.self.cycles-pp.filemap_get_entry 0.13 -0.0 0.12 ? 3% perf-profile.self.cycles-pp.down_write 0.22 ? 2% -0.0 0.21 ? 2% perf-profile.self.cycles-pp.ext4_da_do_write_end 0.20 ? 2% -0.0 0.19 ? 2% perf-profile.self.cycles-pp.__cond_resched 0.17 -0.0 0.16 perf-profile.self.cycles-pp.folio_mark_accessed 0.10 -0.0 0.09 perf-profile.self.cycles-pp.ksys_write 0.09 -0.0 0.08 perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack 0.12 -0.0 0.11 perf-profile.self.cycles-pp.find_lock_entries 0.18 ? 2% +0.0 0.20 ? 2% perf-profile.self.cycles-pp.__mod_node_page_state 0.16 +0.0 0.19 ? 3% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.00 +0.1 0.13 ? 3% perf-profile.self.cycles-pp.mutex_spin_on_owner 0.54 ? 2% +0.2 0.72 ? 4% perf-profile.self.cycles-pp.cgroup_rstat_updated 71.67 +1.5 73.13 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. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki