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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed a 24.7% regression of will-it-scale.per_process_ops on: commit: 9b60811cb3b42fe9a8e3f0aa3e007cd9cc814a78 ("maple_tree: Use kfree_rcu in ma_free_rcu") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [still regression on linus/master e406d57be7bd2a4e73ea512c1ae36a40a44e499e] [still regression on linux-next/master 7396732143a22b42bb97710173d598aaf50daa89] testcase: will-it-scale config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 192 threads 2 sockets Intel(R) Xeon(R) 6740E CPU @ 2.4GHz (Sierra Forest) with 256G memory parameters: nr_task: 100% mode: process test: mmap2 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/202510041432.a99774b1-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20251004/202510041432.a99774b1-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase: gcc-14/performance/x86_64-rhel-9.4/process/100%/debian-13-x86_64-20250902.cgz/lkp-srf-2sp2/mmap2/will-it-scale commit: 551a6e757a ("testing/radix-tree/maple: Hack around kfree_rcu not existing") 9b60811cb3 ("maple_tree: Use kfree_rcu in ma_free_rcu") 551a6e757a95c23c 9b60811cb3b42fe9a8e3f0aa3e0 ---------------- --------------------------- %stddev %change %stddev \ | \ 0.22 -0.0 0.17 mpstat.cpu.all.irq% 15.11 +5.7 20.80 mpstat.cpu.all.soft% 2.62 -0.5 2.07 mpstat.cpu.all.usr% 42316808 -24.7% 31873618 will-it-scale.192.processes 220399 -24.7% 166008 will-it-scale.per_process_ops 42316808 -24.7% 31873618 will-it-scale.workload 11286583 +15.5% 13039030 meminfo.Memused 1209904 +149.9% 3024001 ± 2% meminfo.SUnreclaim 1370565 +132.4% 3185291 ± 2% meminfo.Slab 14370621 ± 22% +43.5% 20623005 ± 18% meminfo.max_used_kB 1.051e+08 +17.6% 1.236e+08 numa-numastat.node0.local_node 1.051e+08 +17.6% 1.236e+08 numa-numastat.node0.numa_hit 1.064e+08 +17.8% 1.253e+08 numa-numastat.node1.local_node 1.065e+08 +17.8% 1.254e+08 numa-numastat.node1.numa_hit 21771 ± 10% -93.5% 1423 ± 13% perf-c2c.DRAM.local 4255 ± 16% -76.1% 1017 ± 10% perf-c2c.DRAM.remote 62740 ± 9% +27.5% 80010 ± 10% perf-c2c.HITM.local 63381 ± 9% +27.1% 80557 ± 10% perf-c2c.HITM.total 609632 ± 2% +154.6% 1551865 ± 3% numa-meminfo.node0.SUnreclaim 146435 ± 77% -77.9% 32384 ± 99% numa-meminfo.node0.Shmem 694608 ± 4% +134.9% 1631355 ± 3% numa-meminfo.node0.Slab 6477317 ± 19% +31.1% 8493474 ± 16% numa-meminfo.node1.MemUsed 598611 ± 3% +148.6% 1488054 ± 3% numa-meminfo.node1.SUnreclaim 674290 ± 4% +132.8% 1569852 ± 3% numa-meminfo.node1.Slab 36595 ± 77% -77.9% 8092 ± 99% numa-vmstat.node0.nr_shmem 151635 ± 3% +154.9% 386576 ± 2% numa-vmstat.node0.nr_slab_unreclaimable 1.051e+08 +17.6% 1.236e+08 numa-vmstat.node0.numa_hit 1.051e+08 +17.6% 1.236e+08 numa-vmstat.node0.numa_local 147957 ± 3% +147.7% 366463 ± 2% numa-vmstat.node1.nr_slab_unreclaimable 1.065e+08 +17.8% 1.254e+08 numa-vmstat.node1.numa_hit 1.064e+08 +17.8% 1.253e+08 numa-vmstat.node1.numa_local 61514952 -1.5% 60592198 proc-vmstat.nr_free_pages_blocks 35014 +3.4% 36214 proc-vmstat.nr_kernel_stack 295581 +155.5% 755183 ± 2% proc-vmstat.nr_slab_unreclaimable 2.116e+08 +17.7% 2.491e+08 proc-vmstat.numa_hit 2.114e+08 +17.7% 2.489e+08 proc-vmstat.numa_local 8.394e+08 +19.4% 1.002e+09 proc-vmstat.pgalloc_normal 8.38e+08 +19.4% 1.001e+09 proc-vmstat.pgfree 1.67 ± 9% +390.5% 8.18 ± 7% perf-sched.sch_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 39.80 ± 9% +775.6% 348.48 ±139% perf-sched.sch_delay.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 1.67 ± 9% +390.5% 8.18 ± 7% perf-sched.total_sch_delay.average.ms 39.80 ± 9% +775.6% 348.48 ±139% perf-sched.total_sch_delay.max.ms 58.94 +102.4% 119.29 ± 5% perf-sched.total_wait_and_delay.average.ms 46484 -42.6% 26687 ± 4% perf-sched.total_wait_and_delay.count.ms 3075 ± 7% +29.5% 3981 ± 8% perf-sched.total_wait_and_delay.max.ms 57.28 +94.0% 111.11 ± 5% perf-sched.total_wait_time.average.ms 3075 ± 7% +29.5% 3981 ± 8% perf-sched.total_wait_time.max.ms 58.94 +102.4% 119.29 ± 5% perf-sched.wait_and_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 46484 -42.6% 26687 ± 4% perf-sched.wait_and_delay.count.[unknown].[unknown].[unknown].[unknown].[unknown] 3075 ± 7% +29.5% 3981 ± 8% perf-sched.wait_and_delay.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 57.28 +94.0% 111.11 ± 5% perf-sched.wait_time.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 3075 ± 7% +29.5% 3981 ± 8% perf-sched.wait_time.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 1.358e+11 -23.8% 1.035e+11 perf-stat.i.branch-instructions 0.11 +0.0 0.13 perf-stat.i.branch-miss-rate% 1.467e+08 -8.7% 1.34e+08 perf-stat.i.branch-misses 55.34 +11.1 66.40 perf-stat.i.cache-miss-rate% 4.805e+08 -23.3% 3.686e+08 perf-stat.i.cache-misses 8.69e+08 -36.1% 5.552e+08 perf-stat.i.cache-references 9602 -23.5% 7346 ± 3% perf-stat.i.context-switches 0.97 +31.6% 1.27 perf-stat.i.cpi 224.90 +21.9% 274.26 perf-stat.i.cpu-migrations 1269 +30.3% 1654 perf-stat.i.cycles-between-cache-misses 6.341e+11 -24.1% 4.814e+11 perf-stat.i.instructions 1.04 -24.0% 0.79 perf-stat.i.ipc 0.11 +0.0 0.13 perf-stat.overall.branch-miss-rate% 55.30 +11.1 66.35 perf-stat.overall.cache-miss-rate% 0.96 +31.6% 1.27 perf-stat.overall.cpi 1272 +30.3% 1657 perf-stat.overall.cycles-between-cache-misses 1.04 -24.0% 0.79 perf-stat.overall.ipc 4517404 +1.3% 4577647 perf-stat.overall.path-length 1.352e+11 -23.8% 1.031e+11 perf-stat.ps.branch-instructions 1.46e+08 -8.6% 1.334e+08 perf-stat.ps.branch-misses 4.785e+08 -23.2% 3.672e+08 perf-stat.ps.cache-misses 8.653e+08 -36.0% 5.535e+08 perf-stat.ps.cache-references 9555 -23.7% 7294 ± 3% perf-stat.ps.context-switches 219.80 +22.1% 268.47 perf-stat.ps.cpu-migrations 6.313e+11 -24.0% 4.797e+11 perf-stat.ps.instructions 1.912e+14 -23.7% 1.459e+14 perf-stat.total.instructions 513880 ± 6% -27.2% 374212 ± 15% sched_debug.cfs_rq:/.avg_vruntime.stddev 0.25 ± 2% -16.1% 0.21 ± 5% sched_debug.cfs_rq:/.h_nr_queued.stddev 0.25 ± 2% -16.5% 0.21 ± 4% sched_debug.cfs_rq:/.h_nr_runnable.stddev 972158 ± 8% -46.2% 522607 ± 48% sched_debug.cfs_rq:/.left_deadline.avg 25797971 -29.9% 18084652 ± 32% sched_debug.cfs_rq:/.left_deadline.max 4699752 ± 6% -42.0% 2725292 ± 40% sched_debug.cfs_rq:/.left_deadline.stddev 972147 ± 8% -46.2% 522601 ± 48% sched_debug.cfs_rq:/.left_vruntime.avg 25797677 -29.9% 18084444 ± 32% sched_debug.cfs_rq:/.left_vruntime.max 4699701 ± 6% -42.0% 2725263 ± 40% sched_debug.cfs_rq:/.left_vruntime.stddev 44414 ± 12% -42.6% 25515 ± 21% sched_debug.cfs_rq:/.load.avg 181121 ± 8% -38.4% 111653 ± 22% sched_debug.cfs_rq:/.load.stddev 86.08 ± 23% +104.5% 176.01 ± 32% sched_debug.cfs_rq:/.load_avg.avg 454.73 ± 15% +97.2% 896.94 ± 18% sched_debug.cfs_rq:/.load_avg.max 75.23 ± 16% +102.4% 152.23 ± 13% sched_debug.cfs_rq:/.load_avg.stddev 513880 ± 6% -27.2% 374210 ± 15% sched_debug.cfs_rq:/.min_vruntime.stddev 0.21 ± 5% -31.0% 0.14 ± 17% sched_debug.cfs_rq:/.nr_queued.stddev 972147 ± 8% -46.2% 522602 ± 48% sched_debug.cfs_rq:/.right_vruntime.avg 25797677 -29.9% 18084467 ± 32% sched_debug.cfs_rq:/.right_vruntime.max 4699702 ± 6% -42.0% 2725265 ± 40% sched_debug.cfs_rq:/.right_vruntime.stddev 117.40 ± 13% +44.8% 170.01 ± 10% sched_debug.cfs_rq:/.runnable_avg.stddev 25.63 ± 4% +13.5% 29.09 ± 9% sched_debug.cpu.clock.stddev 614.09 ± 6% +50.4% 923.40 sched_debug.cpu.clock_task.stddev 280.57 ± 18% +771.1% 2444 ± 27% sched_debug.cpu.curr->pid.min 1528 ± 2% -28.2% 1096 ± 11% sched_debug.cpu.curr->pid.stddev 0.26 ± 4% -15.2% 0.22 ± 5% sched_debug.cpu.nr_running.stddev 9351 -19.6% 7521 ± 2% sched_debug.cpu.nr_switches.avg 6390 -36.1% 4085 ± 4% sched_debug.cpu.nr_switches.min 6487 ± 5% -15.1% 5507 ± 4% sched_debug.cpu.nr_switches.stddev 48.01 -13.7 34.32 perf-profile.calltrace.cycles-pp.mas_preallocate.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 47.29 -13.5 33.84 perf-profile.calltrace.cycles-pp.mas_alloc_nodes.mas_preallocate.__mmap_new_vma.__mmap_region.do_mmap 47.14 -13.4 33.79 perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.__mmap_new_vma.__mmap_region 46.78 -13.2 33.58 perf-profile.calltrace.cycles-pp.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.__mmap_new_vma 68.68 -12.3 56.42 perf-profile.calltrace.cycles-pp.__mmap 66.96 -11.8 55.19 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__mmap 66.87 -11.7 55.12 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 66.40 -11.6 54.82 perf-profile.calltrace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 65.90 -11.4 54.47 perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 65.34 -11.2 54.09 perf-profile.calltrace.cycles-pp.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 62.71 -10.6 52.11 perf-profile.calltrace.cycles-pp.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 55.28 -8.4 46.84 perf-profile.calltrace.cycles-pp.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 18.01 -6.9 11.08 perf-profile.calltrace.cycles-pp.barn_get_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate 6.03 ± 5% -6.0 0.00 perf-profile.calltrace.cycles-pp.kmem_cache_free.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd 5.88 ± 5% -5.9 0.00 perf-profile.calltrace.cycles-pp.__pcs_replace_full_main.kmem_cache_free.rcu_do_batch.rcu_core.handle_softirqs 16.44 -5.5 10.92 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_get_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes 16.38 -5.5 10.87 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_get_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof 6.66 ± 2% -4.4 2.23 ± 5% perf-profile.calltrace.cycles-pp.barn_replace_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate 11.92 -3.5 8.38 perf-profile.calltrace.cycles-pp.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 10.19 -3.2 7.04 perf-profile.calltrace.cycles-pp.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 4.88 ± 2% -2.9 1.95 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_replace_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes 4.84 ± 2% -2.9 1.94 ± 5% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_replace_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof 6.06 -1.8 4.23 perf-profile.calltrace.cycles-pp.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap 5.83 -1.8 4.06 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap 5.49 -1.7 3.79 perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas 3.20 ± 2% -1.4 1.82 ± 7% perf-profile.calltrace.cycles-pp.__kmem_cache_alloc_bulk.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate 3.59 -1.1 2.45 perf-profile.calltrace.cycles-pp.free_pgtables.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap 3.75 -1.1 2.63 perf-profile.calltrace.cycles-pp.perf_event_mmap.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 3.31 -1.0 2.32 perf-profile.calltrace.cycles-pp.perf_event_mmap_event.perf_event_mmap.__mmap_region.do_mmap.vm_mmap_pgoff 2.12 ± 2% -0.9 1.25 ± 6% perf-profile.calltrace.cycles-pp.___slab_alloc.__kmem_cache_alloc_bulk.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes 2.40 -0.8 1.64 perf-profile.calltrace.cycles-pp.free_pgd_range.free_pgtables.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap 2.32 -0.7 1.58 perf-profile.calltrace.cycles-pp.free_p4d_range.free_pgd_range.free_pgtables.vms_clear_ptes.vms_complete_munmap_vmas 2.52 -0.7 1.79 perf-profile.calltrace.cycles-pp.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 2.16 -0.7 1.48 perf-profile.calltrace.cycles-pp.free_pud_range.free_p4d_range.free_pgd_range.free_pgtables.vms_clear_ptes 2.14 -0.6 1.55 perf-profile.calltrace.cycles-pp.__cond_resched.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes 2.17 -0.6 1.61 perf-profile.calltrace.cycles-pp.__get_unmapped_area.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 2.09 -0.5 1.56 perf-profile.calltrace.cycles-pp.shmem_get_unmapped_area.__get_unmapped_area.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 1.88 -0.5 1.35 ± 2% perf-profile.calltrace.cycles-pp.__pi_memcpy.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap 1.70 -0.5 1.24 ± 2% perf-profile.calltrace.cycles-pp.__pi_memcpy.mas_wr_node_store.mas_store_prealloc.__mmap_new_vma.__mmap_region 1.85 -0.4 1.42 perf-profile.calltrace.cycles-pp.arch_get_unmapped_area_topdown.shmem_get_unmapped_area.__get_unmapped_area.do_mmap.vm_mmap_pgoff 1.37 -0.4 0.98 perf-profile.calltrace.cycles-pp.vm_area_alloc.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 0.75 -0.3 0.43 ± 44% perf-profile.calltrace.cycles-pp.__memcg_slab_post_alloc_hook.kmem_cache_alloc_noprof.vm_area_alloc.__mmap_new_vma.__mmap_region 1.44 -0.3 1.14 perf-profile.calltrace.cycles-pp.vm_unmapped_area.arch_get_unmapped_area_topdown.shmem_get_unmapped_area.__get_unmapped_area.do_mmap 1.41 -0.3 1.12 perf-profile.calltrace.cycles-pp.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown.shmem_get_unmapped_area.__get_unmapped_area 0.87 -0.3 0.58 perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes 0.96 -0.3 0.68 perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.vm_area_alloc.__mmap_new_vma.__mmap_region.do_mmap 0.75 -0.2 0.52 perf-profile.calltrace.cycles-pp.__build_id_parse.perf_event_mmap_event.perf_event_mmap.__mmap_region.do_mmap 0.69 -0.2 0.51 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.__mmap 0.69 -0.2 0.51 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.__munmap 0.71 -0.1 0.57 perf-profile.calltrace.cycles-pp.mas_empty_area_rev.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown.shmem_get_unmapped_area 22.66 +0.4 23.06 perf-profile.calltrace.cycles-pp.__munmap 0.00 +0.5 0.54 ± 3% perf-profile.calltrace.cycles-pp.allocate_slab.___slab_alloc.__kmem_cache_alloc_bulk.__pcs_replace_empty_main.kmem_cache_alloc_noprof 17.38 +0.7 18.12 perf-profile.calltrace.cycles-pp.barn_put_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate 17.09 ± 2% +0.8 17.86 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_put_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof 17.22 +0.8 18.01 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_put_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes 0.00 +0.8 0.80 ± 6% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_put_full_sheaf.rcu_do_batch.rcu_core 0.00 +0.8 0.81 ± 6% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_put_full_sheaf.rcu_do_batch.rcu_core.handle_softirqs 0.00 +0.8 0.82 ± 6% perf-profile.calltrace.cycles-pp.barn_put_full_sheaf.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd 21.08 +0.8 21.92 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap 20.99 +0.9 21.86 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 20.62 +1.0 21.63 perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 20.61 +1.0 21.62 perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 20.13 +1.2 21.29 perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe 19.73 +1.3 21.01 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 4.80 +5.7 10.46 perf-profile.calltrace.cycles-pp.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 4.00 +6.1 10.07 perf-profile.calltrace.cycles-pp.mas_store_prealloc.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 3.48 +6.2 9.63 perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 3.42 +6.3 9.68 perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_store_prealloc.__mmap_new_vma.__mmap_region.do_mmap 0.00 +6.3 6.28 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__put_partials.__kmem_cache_free_bulk.rcu_free_sheaf 0.00 +6.3 6.32 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__put_partials.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch 0.00 +6.4 6.43 perf-profile.calltrace.cycles-pp.__put_partials.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch.rcu_core 0.00 +7.0 6.96 perf-profile.calltrace.cycles-pp.barn_get_empty_sheaf.__kfree_rcu_sheaf.kvfree_call_rcu.mas_wr_node_store.mas_store_gfp 0.00 +7.1 7.09 perf-profile.calltrace.cycles-pp.barn_get_empty_sheaf.__kfree_rcu_sheaf.kvfree_call_rcu.mas_wr_node_store.mas_store_prealloc 0.00 +7.1 7.15 perf-profile.calltrace.cycles-pp.__kfree_rcu_sheaf.kvfree_call_rcu.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap 0.00 +7.3 7.28 perf-profile.calltrace.cycles-pp.__kfree_rcu_sheaf.kvfree_call_rcu.mas_wr_node_store.mas_store_prealloc.__mmap_new_vma 0.00 +7.3 7.29 perf-profile.calltrace.cycles-pp.kvfree_call_rcu.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap 0.00 +7.4 7.41 perf-profile.calltrace.cycles-pp.kvfree_call_rcu.mas_wr_node_store.mas_store_prealloc.__mmap_new_vma.__mmap_region 0.00 +10.9 10.89 ± 3% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__slab_free.__kmem_cache_free_bulk.rcu_free_sheaf 0.00 +11.0 11.02 ± 3% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__slab_free.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch 8.19 ± 4% +11.5 19.68 ± 2% perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 8.18 ± 4% +11.5 19.67 ± 2% perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn 8.18 ± 4% +11.5 19.67 ± 2% perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread 8.18 ± 4% +11.5 19.67 ± 2% perf-profile.calltrace.cycles-pp.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork 8.18 ± 4% +11.5 19.67 ± 2% perf-profile.calltrace.cycles-pp.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.00 +11.6 11.59 ± 3% perf-profile.calltrace.cycles-pp.__slab_free.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch.rcu_core 8.20 ± 4% +11.9 20.13 ± 2% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm 8.20 ± 4% +11.9 20.13 ± 2% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm 8.20 ± 4% +11.9 20.13 ± 2% perf-profile.calltrace.cycles-pp.ret_from_fork_asm 0.00 +13.5 13.52 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_get_empty_sheaf.__kfree_rcu_sheaf.kvfree_call_rcu 0.00 +13.6 13.56 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_get_empty_sheaf.__kfree_rcu_sheaf.kvfree_call_rcu.mas_wr_node_store 0.00 +18.3 18.26 ± 2% perf-profile.calltrace.cycles-pp.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch.rcu_core.handle_softirqs 0.00 +18.6 18.63 ± 2% perf-profile.calltrace.cycles-pp.rcu_free_sheaf.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd 48.49 -13.8 34.66 perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 47.77 -13.7 34.06 perf-profile.children.cycles-pp.mas_alloc_nodes 48.01 -13.7 34.32 perf-profile.children.cycles-pp.mas_preallocate 46.91 -13.3 33.58 perf-profile.children.cycles-pp.__pcs_replace_empty_main 69.04 -12.4 56.69 perf-profile.children.cycles-pp.__mmap 12.24 -11.7 0.50 ± 2% perf-profile.children.cycles-pp.kmem_cache_free 66.40 -11.6 54.82 perf-profile.children.cycles-pp.ksys_mmap_pgoff 65.91 -11.4 54.47 perf-profile.children.cycles-pp.vm_mmap_pgoff 65.35 -11.2 54.10 perf-profile.children.cycles-pp.do_mmap 88.10 -10.9 77.17 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 87.92 -10.9 77.04 perf-profile.children.cycles-pp.do_syscall_64 62.76 -10.6 52.15 perf-profile.children.cycles-pp.__mmap_region 55.30 -8.4 46.86 perf-profile.children.cycles-pp.__mmap_new_vma 8.24 ± 3% -8.2 0.00 perf-profile.children.cycles-pp.__pcs_replace_full_main 8.20 -7.1 1.11 ± 9% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 8.22 -7.1 1.13 ± 9% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 8.00 ± 2% -7.1 0.94 ± 11% perf-profile.children.cycles-pp.__irq_exit_rcu 6.78 ± 2% -4.6 2.23 ± 5% perf-profile.children.cycles-pp.barn_replace_empty_sheaf 11.95 -3.6 8.40 perf-profile.children.cycles-pp.vms_complete_munmap_vmas 10.22 -3.2 7.06 perf-profile.children.cycles-pp.vms_clear_ptes 6.07 -1.8 4.24 perf-profile.children.cycles-pp.unmap_vmas 5.84 -1.8 4.07 perf-profile.children.cycles-pp.unmap_page_range 5.63 -1.7 3.90 perf-profile.children.cycles-pp.zap_pmd_range 3.20 ± 2% -1.4 1.83 ± 7% perf-profile.children.cycles-pp.__kmem_cache_alloc_bulk 1.34 ± 2% -1.3 0.07 perf-profile.children.cycles-pp.__call_rcu_common 3.64 -1.2 2.47 perf-profile.children.cycles-pp.free_pgtables 3.76 -1.1 2.64 perf-profile.children.cycles-pp.perf_event_mmap 3.33 -1.0 2.33 perf-profile.children.cycles-pp.perf_event_mmap_event 3.60 -1.0 2.61 ± 2% perf-profile.children.cycles-pp.__pi_memcpy 1.41 ± 3% -1.0 0.44 ± 24% perf-profile.children.cycles-pp.get_partial_node 2.12 ± 2% -0.9 1.27 ± 6% perf-profile.children.cycles-pp.___slab_alloc 2.41 -0.8 1.64 perf-profile.children.cycles-pp.free_pgd_range 2.33 -0.7 1.59 perf-profile.children.cycles-pp.free_p4d_range 2.54 -0.7 1.82 perf-profile.children.cycles-pp.vms_gather_munmap_vmas 2.65 -0.7 1.95 perf-profile.children.cycles-pp.__cond_resched 2.17 -0.7 1.49 perf-profile.children.cycles-pp.free_pud_range 2.17 -0.6 1.62 perf-profile.children.cycles-pp.__get_unmapped_area 2.10 -0.5 1.56 perf-profile.children.cycles-pp.shmem_get_unmapped_area 1.75 -0.5 1.27 perf-profile.children.cycles-pp.mas_find 1.85 -0.4 1.43 perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown 0.63 ± 3% -0.4 0.24 ± 18% perf-profile.children.cycles-pp.get_any_partial 1.38 -0.4 0.99 perf-profile.children.cycles-pp.vm_area_alloc 1.43 -0.4 1.06 perf-profile.children.cycles-pp.entry_SYSCALL_64 1.45 -0.3 1.15 perf-profile.children.cycles-pp.vm_unmapped_area 1.14 -0.3 0.85 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 1.41 -0.3 1.12 perf-profile.children.cycles-pp.unmapped_area_topdown 0.88 -0.3 0.59 perf-profile.children.cycles-pp.zap_pte_range 1.01 -0.3 0.75 perf-profile.children.cycles-pp.mas_pop_node 0.75 -0.2 0.51 perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 0.82 -0.2 0.58 perf-profile.children.cycles-pp.rcu_all_qs 0.80 -0.2 0.56 perf-profile.children.cycles-pp.mas_walk 0.75 -0.2 0.52 perf-profile.children.cycles-pp.__build_id_parse 0.72 -0.2 0.50 perf-profile.children.cycles-pp.d_path 0.41 -0.2 0.22 perf-profile.children.cycles-pp.security_vm_enough_memory_mm 0.66 -0.2 0.48 perf-profile.children.cycles-pp.perf_iterate_sb 0.52 -0.2 0.34 perf-profile.children.cycles-pp.unlink_file_vma_batch_process 0.59 -0.2 0.42 perf-profile.children.cycles-pp.__vma_start_write 0.52 ± 2% -0.2 0.37 ± 2% perf-profile.children.cycles-pp.prepend_path 0.51 -0.2 0.36 perf-profile.children.cycles-pp.up_write 0.36 -0.1 0.21 perf-profile.children.cycles-pp.freader_fetch 0.57 -0.1 0.42 perf-profile.children.cycles-pp.mas_wr_store_type 0.60 -0.1 0.46 perf-profile.children.cycles-pp.mas_next_slot 0.71 -0.1 0.57 perf-profile.children.cycles-pp.mas_empty_area_rev 0.71 -0.1 0.57 perf-profile.children.cycles-pp.mas_prev_slot 0.31 -0.1 0.17 perf-profile.children.cycles-pp.freader_get_folio 0.39 -0.1 0.27 perf-profile.children.cycles-pp.down_write_killable 0.33 -0.1 0.22 perf-profile.children.cycles-pp.fput 0.42 ± 3% -0.1 0.31 ± 4% perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.23 ± 2% -0.1 0.13 perf-profile.children.cycles-pp.__filemap_get_folio 0.46 -0.1 0.35 perf-profile.children.cycles-pp.down_write 0.32 ± 2% -0.1 0.22 ± 2% perf-profile.children.cycles-pp.__kmalloc_cache_noprof 0.26 ± 2% -0.1 0.16 ± 2% perf-profile.children.cycles-pp.shmem_mmap 0.29 ± 2% -0.1 0.20 perf-profile.children.cycles-pp.__pte_offset_map_lock 0.30 ± 2% -0.1 0.21 perf-profile.children.cycles-pp.up_read 0.15 ± 3% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.static_key_count 0.24 ± 2% -0.1 0.15 ± 2% perf-profile.children.cycles-pp.touch_atime 0.24 ± 2% -0.1 0.15 ± 2% perf-profile.children.cycles-pp.vma_mark_detached 0.25 -0.1 0.17 ± 2% perf-profile.children.cycles-pp.prepend_copy 0.27 -0.1 0.19 perf-profile.children.cycles-pp.fget 0.49 -0.1 0.41 perf-profile.children.cycles-pp.mas_rev_awalk 0.22 ± 2% -0.1 0.14 ± 2% perf-profile.children.cycles-pp.atime_needs_update 0.21 -0.1 0.14 perf-profile.children.cycles-pp.copy_from_kernel_nofault 0.23 -0.1 0.16 perf-profile.children.cycles-pp.tlb_finish_mmu 0.19 ± 16% -0.1 0.12 ± 22% perf-profile.children.cycles-pp.strlen 0.21 ± 2% -0.1 0.15 perf-profile.children.cycles-pp.tlb_gather_mmu 0.38 -0.1 0.32 perf-profile.children.cycles-pp.kfree 0.19 ± 2% -0.1 0.13 perf-profile.children.cycles-pp.__vm_enough_memory 0.24 ± 2% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.remove_vma 0.17 ± 2% -0.1 0.12 perf-profile.children.cycles-pp.mas_wr_store_entry 0.17 -0.1 0.12 ± 4% perf-profile.children.cycles-pp.vma_merge_new_range 0.14 ± 5% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.current_time 0.17 ± 2% -0.1 0.12 perf-profile.children.cycles-pp.mas_prev 0.20 ± 2% -0.1 0.14 ± 3% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack 0.21 -0.0 0.16 ± 2% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.20 -0.0 0.16 ± 2% perf-profile.children.cycles-pp.hrtimer_interrupt 0.13 -0.0 0.09 perf-profile.children.cycles-pp.percpu_counter_add_batch 0.15 ± 7% -0.0 0.11 ± 8% perf-profile.children.cycles-pp.testcase 0.08 ± 5% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.ktime_get_coarse_real_ts64_mg 0.12 ± 4% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.perf_event_mmap_output 0.18 ± 2% -0.0 0.15 ± 6% perf-profile.children.cycles-pp._raw_spin_lock 0.14 ± 3% -0.0 0.11 ± 4% perf-profile.children.cycles-pp.mas_next_range 0.24 -0.0 0.21 ± 2% perf-profile.children.cycles-pp.perf_session__process_events 0.24 -0.0 0.21 ± 2% perf-profile.children.cycles-pp.reader__read_event 0.24 -0.0 0.21 ± 2% perf-profile.children.cycles-pp.record__finish_output 0.07 -0.0 0.04 ± 44% perf-profile.children.cycles-pp.__account_obj_stock 0.14 ± 2% -0.0 0.11 perf-profile.children.cycles-pp.__hrtimer_run_queues 0.08 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.security_mmap_file 0.11 ± 4% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.filemap_get_entry 0.11 ± 4% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.obj_cgroup_charge_account 0.13 ± 3% -0.0 0.10 ± 4% perf-profile.children.cycles-pp.tick_nohz_handler 0.18 ± 2% -0.0 0.15 ± 3% perf-profile.children.cycles-pp.may_expand_vm 0.29 ± 2% -0.0 0.26 perf-profile.children.cycles-pp.cmd_record 0.09 ± 4% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.mas_prev_setup 0.12 -0.0 0.10 ± 4% perf-profile.children.cycles-pp.update_process_times 0.08 ± 4% -0.0 0.06 perf-profile.children.cycles-pp.refill_obj_stock 0.11 ± 3% -0.0 0.09 perf-profile.children.cycles-pp.vma_set_page_prot 0.07 -0.0 0.05 perf-profile.children.cycles-pp.copy_from_kernel_nofault_allowed 0.15 ± 2% -0.0 0.14 ± 3% perf-profile.children.cycles-pp.unlink_anon_vmas 0.08 ± 5% -0.0 0.07 perf-profile.children.cycles-pp.vm_area_free 0.07 -0.0 0.06 perf-profile.children.cycles-pp.sched_tick 0.06 ± 6% +0.0 0.07 perf-profile.children.cycles-pp.mas_prev_range 0.05 ± 7% +0.0 0.07 ± 11% perf-profile.children.cycles-pp.free_pcppages_bulk 0.06 +0.0 0.08 ± 9% perf-profile.children.cycles-pp.free_frozen_page_commit 0.07 ± 6% +0.0 0.10 ± 4% perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof 0.07 ± 6% +0.0 0.10 ± 4% perf-profile.children.cycles-pp.alloc_pages_mpol 0.07 ± 5% +0.0 0.10 ± 3% perf-profile.children.cycles-pp.get_page_from_freelist 0.00 +0.1 0.05 perf-profile.children.cycles-pp.__rmqueue_pcplist 0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp.rmqueue_pcplist 0.00 +0.1 0.05 ± 8% perf-profile.children.cycles-pp.rmqueue 0.26 ± 3% +0.1 0.34 ± 4% perf-profile.children.cycles-pp.setup_object 0.00 +0.1 0.08 perf-profile.children.cycles-pp.__pi_memset 0.33 ± 3% +0.1 0.43 ± 3% perf-profile.children.cycles-pp.shuffle_freelist 0.00 +0.1 0.12 ± 3% perf-profile.children.cycles-pp.__kmalloc_noprof 0.00 +0.1 0.12 ± 4% perf-profile.children.cycles-pp.alloc_empty_sheaf 0.41 ± 3% +0.1 0.54 ± 3% perf-profile.children.cycles-pp.allocate_slab 23.05 +0.3 23.35 perf-profile.children.cycles-pp.__munmap 0.00 +0.3 0.32 perf-profile.children.cycles-pp.__rcu_free_sheaf_prepare 0.00 +0.4 0.35 ± 11% perf-profile.children.cycles-pp.kfree_rcu_work 0.00 +0.4 0.44 ± 19% perf-profile.children.cycles-pp.kmem_cache_free_bulk 0.00 +0.4 0.44 ± 19% perf-profile.children.cycles-pp.kvfree_rcu_bulk 0.00 +0.5 0.45 ± 18% perf-profile.children.cycles-pp.process_one_work 0.00 +0.5 0.45 ± 18% perf-profile.children.cycles-pp.worker_thread 0.23 +0.5 0.70 ± 2% perf-profile.children.cycles-pp.mas_update_gap 0.16 ± 2% +0.5 0.64 ± 2% perf-profile.children.cycles-pp.mas_leaf_max_gap 17.38 +0.9 18.29 perf-profile.children.cycles-pp.barn_put_empty_sheaf 0.00 +0.9 0.92 ± 6% perf-profile.children.cycles-pp.barn_put_full_sheaf 20.62 +1.0 21.63 perf-profile.children.cycles-pp.__x64_sys_munmap 20.62 +1.0 21.63 perf-profile.children.cycles-pp.__vm_munmap 20.14 +1.2 21.29 perf-profile.children.cycles-pp.do_vmi_munmap 19.73 +1.3 21.01 perf-profile.children.cycles-pp.do_vmi_align_munmap 3.64 ± 2% +3.3 6.97 perf-profile.children.cycles-pp.__put_partials 16.17 +4.4 20.61 perf-profile.children.cycles-pp.rcu_core 16.18 +4.4 20.62 perf-profile.children.cycles-pp.handle_softirqs 16.17 +4.4 20.60 perf-profile.children.cycles-pp.rcu_do_batch 5.46 +5.5 10.92 perf-profile.children.cycles-pp.mas_store_gfp 4.01 +6.1 10.07 perf-profile.children.cycles-pp.mas_store_prealloc 5.11 ± 3% +7.0 12.16 ± 2% perf-profile.children.cycles-pp.__slab_free 18.05 +7.1 25.13 perf-profile.children.cycles-pp.barn_get_empty_sheaf 8.19 ± 4% +11.5 19.68 ± 2% perf-profile.children.cycles-pp.smpboot_thread_fn 8.18 ± 4% +11.5 19.67 ± 2% perf-profile.children.cycles-pp.run_ksoftirqd 8.20 ± 4% +11.9 20.13 ± 2% perf-profile.children.cycles-pp.kthread 8.20 ± 4% +11.9 20.13 ± 2% perf-profile.children.cycles-pp.ret_from_fork 8.20 ± 4% +11.9 20.13 ± 2% perf-profile.children.cycles-pp.ret_from_fork_asm 6.93 +12.4 19.33 perf-profile.children.cycles-pp.mas_wr_node_store 5.89 ± 4% +13.2 19.05 ± 2% perf-profile.children.cycles-pp.__kmem_cache_free_bulk 0.00 +14.4 14.43 perf-profile.children.cycles-pp.__kfree_rcu_sheaf 49.18 +14.6 63.82 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 49.60 +14.7 64.26 perf-profile.children.cycles-pp._raw_spin_lock_irqsave 0.00 +14.7 14.74 perf-profile.children.cycles-pp.kvfree_call_rcu 0.00 +19.4 19.44 ± 2% perf-profile.children.cycles-pp.rcu_free_sheaf 3.27 -0.7 2.56 ± 2% perf-profile.self.cycles-pp.__pi_memcpy 2.35 -0.6 1.70 perf-profile.self.cycles-pp.zap_pmd_range 2.01 -0.5 1.47 perf-profile.self.cycles-pp.free_pud_range 0.97 ± 3% -0.4 0.57 ± 9% perf-profile.self.cycles-pp.__kmem_cache_alloc_bulk 1.67 -0.4 1.30 perf-profile.self.cycles-pp.__cond_resched 0.95 -0.4 0.60 ± 2% perf-profile.self.cycles-pp.__slab_free 0.52 -0.3 0.18 perf-profile.self.cycles-pp.kmem_cache_free 1.40 -0.3 1.10 perf-profile.self.cycles-pp.__mmap_region 1.13 -0.3 0.84 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.30 -0.2 0.05 perf-profile.self.cycles-pp.__call_rcu_common 0.94 -0.2 0.70 perf-profile.self.cycles-pp.mas_store_gfp 0.94 -0.2 0.74 ± 2% perf-profile.self.cycles-pp.mas_pop_node 0.71 -0.2 0.52 perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.73 -0.2 0.55 perf-profile.self.cycles-pp.mas_walk 0.72 -0.2 0.54 perf-profile.self.cycles-pp.entry_SYSCALL_64 1.11 -0.2 0.94 ± 3% perf-profile.self.cycles-pp.__mmap_new_vma 0.72 -0.2 0.55 perf-profile.self.cycles-pp.mas_wr_node_store 0.65 -0.2 0.48 perf-profile.self.cycles-pp.rcu_all_qs 0.59 -0.2 0.43 perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook 0.62 -0.2 0.46 perf-profile.self.cycles-pp.do_syscall_64 0.57 -0.2 0.42 perf-profile.self.cycles-pp.__mmap 0.51 -0.1 0.37 perf-profile.self.cycles-pp.zap_pte_range 0.23 ± 2% -0.1 0.10 perf-profile.self.cycles-pp.mas_alloc_nodes 0.50 -0.1 0.37 perf-profile.self.cycles-pp.__munmap 0.53 -0.1 0.40 perf-profile.self.cycles-pp.__vma_start_write 0.45 -0.1 0.33 perf-profile.self.cycles-pp.mas_store_prealloc 0.49 -0.1 0.38 perf-profile.self.cycles-pp.perf_iterate_sb 0.41 -0.1 0.30 perf-profile.self.cycles-pp.mas_preallocate 0.64 -0.1 0.53 perf-profile.self.cycles-pp.mas_prev_slot 0.55 -0.1 0.44 perf-profile.self.cycles-pp.mas_next_slot 0.46 -0.1 0.35 perf-profile.self.cycles-pp.up_write 0.42 -0.1 0.31 perf-profile.self.cycles-pp.perf_event_mmap 0.51 -0.1 0.41 perf-profile.self.cycles-pp.mas_wr_store_type 0.38 -0.1 0.28 perf-profile.self.cycles-pp.vm_area_alloc 0.41 -0.1 0.31 perf-profile.self.cycles-pp.mas_find 0.33 -0.1 0.24 perf-profile.self.cycles-pp.arch_get_unmapped_area_topdown 0.22 ± 2% -0.1 0.13 ± 2% perf-profile.self.cycles-pp.shmem_get_unmapped_area 0.30 -0.1 0.22 ± 2% perf-profile.self.cycles-pp.fput 0.28 -0.1 0.20 perf-profile.self.cycles-pp.free_pgtables 0.31 -0.1 0.23 ± 2% perf-profile.self.cycles-pp.down_write_killable 0.32 -0.1 0.24 perf-profile.self.cycles-pp.unmapped_area_topdown 0.30 ± 3% -0.1 0.23 ± 3% perf-profile.self.cycles-pp.prepend_path 0.28 -0.1 0.20 ± 2% perf-profile.self.cycles-pp.up_read 0.40 -0.1 0.33 perf-profile.self.cycles-pp.do_vmi_align_munmap 0.13 ± 3% -0.1 0.06 ± 6% perf-profile.self.cycles-pp.static_key_count 0.28 -0.1 0.20 ± 2% perf-profile.self.cycles-pp.__kmalloc_cache_noprof 0.22 -0.1 0.15 perf-profile.self.cycles-pp.vma_mark_detached 0.25 -0.1 0.19 perf-profile.self.cycles-pp.fget 0.17 ± 4% -0.1 0.11 perf-profile.self.cycles-pp.security_vm_enough_memory_mm 0.12 -0.1 0.06 ± 6% perf-profile.self.cycles-pp.__filemap_get_folio 0.24 -0.1 0.18 ± 2% perf-profile.self.cycles-pp.__vm_munmap 0.30 ± 10% -0.1 0.24 ± 11% perf-profile.self.cycles-pp.perf_event_mmap_event 0.35 ± 2% -0.1 0.29 perf-profile.self.cycles-pp.kfree 0.30 ± 3% -0.1 0.24 ± 6% perf-profile.self.cycles-pp.__memcg_slab_free_hook 0.24 ± 2% -0.1 0.19 perf-profile.self.cycles-pp.barn_replace_empty_sheaf 0.17 ± 17% -0.1 0.12 ± 20% perf-profile.self.cycles-pp.strlen 0.36 -0.1 0.31 perf-profile.self.cycles-pp.__build_id_parse 0.20 -0.1 0.15 perf-profile.self.cycles-pp.tlb_gather_mmu 0.15 -0.0 0.10 perf-profile.self.cycles-pp.free_p4d_range 0.16 -0.0 0.11 ± 3% perf-profile.self.cycles-pp.barn_put_empty_sheaf 0.20 ± 2% -0.0 0.15 perf-profile.self.cycles-pp.tlb_finish_mmu 0.20 -0.0 0.15 ± 3% perf-profile.self.cycles-pp.mas_empty_area_rev 0.45 -0.0 0.41 perf-profile.self.cycles-pp.mas_rev_awalk 0.23 ± 2% -0.0 0.18 ± 2% perf-profile.self.cycles-pp.vms_gather_munmap_vmas 0.13 ± 3% -0.0 0.09 perf-profile.self.cycles-pp.copy_from_kernel_nofault 0.16 -0.0 0.12 ± 3% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.15 -0.0 0.11 perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack 0.15 -0.0 0.11 ± 3% perf-profile.self.cycles-pp.mas_wr_store_entry 0.34 -0.0 0.30 perf-profile.self.cycles-pp.down_write 0.10 ± 3% -0.0 0.07 perf-profile.self.cycles-pp.__vm_enough_memory 0.08 ± 4% -0.0 0.05 ± 7% perf-profile.self.cycles-pp.ktime_get_coarse_real_ts64_mg 0.09 -0.0 0.06 perf-profile.self.cycles-pp.d_path 0.11 ± 3% -0.0 0.08 perf-profile.self.cycles-pp.vma_merge_new_range 0.11 ± 3% -0.0 0.08 perf-profile.self.cycles-pp.vms_complete_munmap_vmas 0.10 ± 4% -0.0 0.07 perf-profile.self.cycles-pp.mas_prev 0.12 ± 4% -0.0 0.09 ± 4% perf-profile.self.cycles-pp.percpu_counter_add_batch 0.10 -0.0 0.07 ± 6% perf-profile.self.cycles-pp.vm_mmap_pgoff 0.09 ± 5% -0.0 0.06 perf-profile.self.cycles-pp.vms_clear_ptes 0.17 ± 2% -0.0 0.15 ± 6% perf-profile.self.cycles-pp._raw_spin_lock 0.10 ± 4% -0.0 0.08 perf-profile.self.cycles-pp.perf_event_mmap_output 0.07 ± 6% -0.0 0.05 perf-profile.self.cycles-pp.__pte_offset_map_lock 0.17 ± 4% -0.0 0.14 ± 3% perf-profile.self.cycles-pp.unmap_page_range 0.10 -0.0 0.08 ± 4% perf-profile.self.cycles-pp.unmap_vmas 0.07 -0.0 0.05 perf-profile.self.cycles-pp.vma_set_page_prot 0.07 ± 5% -0.0 0.05 ± 8% perf-profile.self.cycles-pp.ksys_mmap_pgoff 0.06 -0.0 0.04 ± 44% perf-profile.self.cycles-pp.copy_from_kernel_nofault_allowed 0.07 ± 5% -0.0 0.06 perf-profile.self.cycles-pp.mas_prev_setup 0.09 ± 4% -0.0 0.08 perf-profile.self.cycles-pp.mas_next_range 0.07 -0.0 0.06 ± 6% perf-profile.self.cycles-pp.free_pgd_range 0.07 -0.0 0.06 perf-profile.self.cycles-pp.mas_update_gap 0.14 -0.0 0.13 perf-profile.self.cycles-pp.unlink_anon_vmas 0.19 ± 2% +0.0 0.20 ± 2% perf-profile.self.cycles-pp.downgrade_write 0.41 +0.0 0.45 perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.20 +0.0 0.24 ± 2% perf-profile.self.cycles-pp.do_mmap 0.11 ± 4% +0.0 0.16 perf-profile.self.cycles-pp.__kmem_cache_free_bulk 0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.mas_prev_range 0.00 +0.1 0.06 ± 7% perf-profile.self.cycles-pp.__pcs_replace_empty_main 0.00 +0.1 0.07 ± 11% perf-profile.self.cycles-pp.rcu_free_sheaf 0.00 +0.1 0.08 perf-profile.self.cycles-pp.__pi_memset 0.30 ± 3% +0.1 0.40 ± 4% perf-profile.self.cycles-pp.shuffle_freelist 0.24 +0.1 0.36 perf-profile.self.cycles-pp.barn_get_empty_sheaf 0.00 +0.3 0.26 ± 3% perf-profile.self.cycles-pp.kvfree_call_rcu 0.00 +0.3 0.29 ± 2% perf-profile.self.cycles-pp.__kfree_rcu_sheaf 0.00 +0.3 0.32 perf-profile.self.cycles-pp.__rcu_free_sheaf_prepare 0.14 ± 3% +0.5 0.63 ± 2% perf-profile.self.cycles-pp.mas_leaf_max_gap 49.18 +14.6 63.82 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