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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, we reported "[linus:master] [mm] c544a952ba: vm-scalability.throughput 33.3% improvement" in https://lore.kernel.org/all/202506121415.eeceda1d-lkp@intel.com/ now we captured a netperf regression on a Core machine. we don't have enough knowledge if this is a tradeoff, just make out this report FYI. kernel test robot noticed a 18.9% regression of netperf.Throughput_Mbps on: commit: c544a952ba61b1a025455098033c17e0573ab085 ("mm: pcp: increase pcp->free_count threshold to trigger free_high") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [still regression on linus/master 66701750d5565c574af42bef0b789ce0203e3071] [still regression on linux-next/master 3f804361f3b9af33e00b90ec9cb5afcc96831e60] testcase: netperf config: x86_64-rhel-9.4 compiler: gcc-12 test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz (Skylake) with 32G memory parameters: ip: ipv4 runtime: 300s nr_threads: 1 cluster: cs-localhost test: UDP_STREAM cpufreq_governor: performance In addition to that, the commit also has significant impact on the following tests: +------------------+---------------------------------------------------------------------------------------------+ | testcase: change | stress-ng: stress-ng.mlockmany.ops_per_sec 26.2% improvement | | test machine | 192 threads 2 sockets Intel(R) Xeon(R) 6740E CPU @ 2.4GHz (Sierra Forest) with 256G memory | | test parameters | cpufreq_governor=performance | | | nr_threads=100% | | | test=mlockmany | | | testtime=60s | +------------------+---------------------------------------------------------------------------------------------+ 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/202507030638.d8cff1fb-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250703/202507030638.d8cff1fb-lkp@intel.com ========================================================================================= cluster/compiler/cpufreq_governor/ip/kconfig/nr_threads/rootfs/runtime/tbox_group/test/testcase: cs-localhost/gcc-12/performance/ipv4/x86_64-rhel-9.4/1/debian-12-x86_64-20240206.cgz/300s/lkp-skl-d05/UDP_STREAM/netperf commit: 05275594a3 ("mm/hugetlb: convert use of struct page to folio in __unmap_hugepage_range()") c544a952ba ("mm: pcp: increase pcp->free_count threshold to trigger free_high") 05275594a311cd74 c544a952ba61b1a025455098033 ---------------- --------------------------- %stddev %change %stddev \ | \ 9598254 ± 2% +120.3% 21149239 ± 2% cpuidle..usage 0.74 ± 2% +0.3 1.03 mpstat.cpu.all.irq% 13.83 ± 30% +1916.9% 279.00 ± 6% perf-c2c.DRAM.local 5565599 +43.0% 7960473 sched_debug.cpu.nr_switches.avg 147281 +43.9% 211941 vmstat.system.cs 41295 ± 2% +26.1% 52074 ± 2% vmstat.system.in 4579072 +13.4% 5192396 ± 2% meminfo.Memused 184905 +33.6% 247093 meminfo.Shmem 4847053 ± 3% +30.6% 6327984 ± 2% meminfo.max_used_kB 173195 -18.9% 140491 netperf.ThroughputBoth_Mbps 173195 -18.9% 140491 netperf.ThroughputBoth_total_Mbps 86581 -18.9% 70215 netperf.ThroughputRecv_Mbps 86581 -18.9% 70215 netperf.ThroughputRecv_total_Mbps 86614 -18.9% 70276 netperf.Throughput_Mbps 86614 -18.9% 70276 netperf.Throughput_total_Mbps 99147409 -18.9% 80425670 netperf.workload 213873 +7.3% 229425 proc-vmstat.nr_active_anon 696762 -2.2% 681377 proc-vmstat.nr_dirty_background_threshold 1395229 -2.2% 1364421 proc-vmstat.nr_dirty_threshold 927101 +1.7% 942622 proc-vmstat.nr_file_pages 7042884 -2.2% 6888804 proc-vmstat.nr_free_pages 7004908 -3.9% 6728519 proc-vmstat.nr_free_pages_blocks 46218 +33.6% 61753 proc-vmstat.nr_shmem 213873 +7.3% 229425 proc-vmstat.nr_zone_active_anon 99843328 -18.4% 81500007 proc-vmstat.numa_hit 1.006e+08 -18.8% 81672733 proc-vmstat.numa_local 7.936e+08 -18.9% 6.437e+08 proc-vmstat.pgalloc_normal 7.935e+08 -18.9% 6.436e+08 proc-vmstat.pgfree 0.39 ± 38% +14026.8% 55.29 ± 2% perf-stat.i.MPKI 1.71 ± 2% +0.1 1.84 ± 2% perf-stat.i.branch-miss-rate% 0.40 ± 39% +16.3 16.68 ± 2% perf-stat.i.cache-miss-rate% 1816975 ± 4% +9020.7% 1.657e+08 ± 2% perf-stat.i.cache-misses 1.199e+09 -16.3% 1.003e+09 perf-stat.i.cache-references 148691 +44.1% 214192 perf-stat.i.context-switches 2.31 +3.1% 2.38 perf-stat.i.cpi 17.83 ± 5% +19.5% 21.30 ± 6% perf-stat.i.cpu-migrations 17472 ± 5% -99.7% 45.86 ± 2% perf-stat.i.cycles-between-cache-misses 0.45 -2.8% 0.44 perf-stat.i.ipc 37.20 +44.0% 53.58 perf-stat.i.metric.K/sec 4028 ± 5% -99.1% 36.71 ± 44% perf-stat.overall.cycles-between-cache-misses 0.46 -19.0% 0.38 ± 44% perf-stat.overall.ipc 1.195e+09 -30.2% 8.334e+08 ± 44% perf-stat.ps.cache-references 0.02 ± 22% +46.2% 0.03 ± 15% perf-sched.sch_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 0.02 ± 20% +150.4% 0.05 ± 56% perf-sched.sch_delay.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 0.02 ± 38% +89.7% 0.03 ± 21% perf-sched.sch_delay.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 0.46 ± 60% +75.0% 0.80 ± 29% perf-sched.sch_delay.max.ms.anon_pipe_read.fifo_pipe_read.vfs_read.ksys_read 0.03 ± 22% +151.1% 0.08 ± 65% perf-sched.sch_delay.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 0.03 ± 28% +70.9% 0.05 ± 8% perf-sched.sch_delay.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 0.05 ± 4% +25.5% 0.07 ± 8% perf-sched.sch_delay.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm 0.76 ± 2% -26.2% 0.56 ± 2% perf-sched.total_wait_and_delay.average.ms 182104 ± 2% +38.4% 251957 perf-sched.total_wait_and_delay.count.ms 2232 ± 14% +19.8% 2674 ± 22% perf-sched.total_wait_and_delay.max.ms 0.76 ± 2% -26.2% 0.56 ± 2% perf-sched.total_wait_time.average.ms 2232 ± 14% +19.8% 2674 ± 22% perf-sched.total_wait_time.max.ms 126.76 -22.7% 97.96 perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_poll 132.33 +29.5% 171.33 perf-sched.wait_and_delay.count.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_poll 179794 ± 2% +38.8% 249629 perf-sched.wait_and_delay.count.schedule_timeout.__skb_wait_for_more_packets.__skb_recv_udp.udp_recvmsg 126.75 -22.7% 97.96 perf-sched.wait_time.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_poll 4.87 ±111% +49.3% 7.26 ± 81% perf-sched.wait_time.max.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe 92.03 -4.6 87.41 perf-profile.calltrace.cycles-pp.main 41.96 -4.5 37.45 perf-profile.calltrace.cycles-pp.recvfrom.recv_omni.process_requests.spawn_child.accept_connection 42.50 -4.5 38.02 perf-profile.calltrace.cycles-pp.accept_connection.accept_connections.main 42.50 -4.5 38.02 perf-profile.calltrace.cycles-pp.accept_connections.main 42.50 -4.5 38.02 perf-profile.calltrace.cycles-pp.process_requests.spawn_child.accept_connection.accept_connections.main 42.49 -4.5 38.02 perf-profile.calltrace.cycles-pp.recv_omni.process_requests.spawn_child.accept_connection.accept_connections 42.50 -4.5 38.02 perf-profile.calltrace.cycles-pp.spawn_child.accept_connection.accept_connections.main 23.28 -3.9 19.36 perf-profile.calltrace.cycles-pp.skb_copy_datagram_iter.udp_recvmsg.inet_recvmsg.sock_recvmsg.__sys_recvfrom 23.26 -3.9 19.35 perf-profile.calltrace.cycles-pp.__skb_datagram_iter.skb_copy_datagram_iter.udp_recvmsg.inet_recvmsg.sock_recvmsg 22.25 -3.8 18.46 perf-profile.calltrace.cycles-pp._copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.udp_recvmsg.inet_recvmsg 21.91 -3.7 18.17 perf-profile.calltrace.cycles-pp.rep_movs_alternative._copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.udp_recvmsg 36.57 -3.7 32.91 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.recvfrom.recv_omni.process_requests.spawn_child 33.82 -3.5 30.37 perf-profile.calltrace.cycles-pp.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe.recvfrom.recv_omni 33.74 -3.4 30.30 perf-profile.calltrace.cycles-pp.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe.recvfrom 32.73 -3.3 29.42 perf-profile.calltrace.cycles-pp.sock_recvmsg.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe 34.60 -3.3 31.30 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.recvfrom.recv_omni.process_requests 32.64 -3.3 29.34 perf-profile.calltrace.cycles-pp.inet_recvmsg.sock_recvmsg.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64 32.52 -3.2 29.27 perf-profile.calltrace.cycles-pp.udp_recvmsg.inet_recvmsg.sock_recvmsg.__sys_recvfrom.__x64_sys_recvfrom 2.76 -0.5 2.22 ± 2% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.recvfrom.recv_omni.process_requests.spawn_child 2.83 -0.5 2.31 ± 3% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.sendto.send_omni_inner.send_udp_stream.main 0.67 ± 8% -0.4 0.28 ±100% perf-profile.calltrace.cycles-pp._raw_spin_trylock.__free_frozen_pages.skb_release_data.__consume_stateless_skb.udp_recvmsg 1.40 ± 4% -0.3 1.12 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSRETQ_unsafe_stack.recvfrom.recv_omni.process_requests.spawn_child 0.65 ± 4% -0.2 0.46 ± 45% perf-profile.calltrace.cycles-pp.simple_copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.udp_recvmsg.inet_recvmsg 0.62 ± 4% -0.2 0.44 ± 45% perf-profile.calltrace.cycles-pp.__check_object_size.simple_copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.udp_recvmsg 1.47 ± 3% -0.2 1.31 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSRETQ_unsafe_stack.sendto.send_omni_inner.send_udp_stream.main 1.00 ± 5% -0.2 0.84 ± 2% perf-profile.calltrace.cycles-pp.ip_route_output_flow.udp_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64 1.03 ± 6% -0.2 0.88 ± 4% perf-profile.calltrace.cycles-pp.sock_alloc_send_pskb.__ip_append_data.ip_make_skb.udp_sendmsg.__sys_sendto 49.52 -0.1 49.38 perf-profile.calltrace.cycles-pp.send_omni_inner.send_udp_stream.main 49.53 -0.1 49.39 perf-profile.calltrace.cycles-pp.send_udp_stream.main 0.77 ± 5% -0.1 0.66 ± 4% perf-profile.calltrace.cycles-pp.ip_route_output_key_hash_rcu.ip_route_output_flow.udp_sendmsg.__sys_sendto.__x64_sys_sendto 0.64 ± 3% -0.1 0.53 ± 2% perf-profile.calltrace.cycles-pp.udp_rmem_release.__skb_recv_udp.udp_recvmsg.inet_recvmsg.sock_recvmsg 49.07 -0.1 48.99 perf-profile.calltrace.cycles-pp.sendto.send_omni_inner.send_udp_stream.main 0.60 ± 5% +0.1 0.72 ± 6% perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.recvfrom.recv_omni 2.19 ± 2% +0.2 2.36 ± 5% perf-profile.calltrace.cycles-pp.__free_frozen_pages.skb_release_data.__consume_stateless_skb.udp_recvmsg.inet_recvmsg 0.74 ± 5% +0.2 0.90 ± 5% perf-profile.calltrace.cycles-pp.dl_server_stop.dequeue_entities.dequeue_task_fair.try_to_block_task.__schedule 5.85 ± 2% +0.2 6.06 perf-profile.calltrace.cycles-pp.net_rx_action.handle_softirqs.do_softirq.__local_bh_enable_ip.__dev_queue_xmit 0.47 ± 45% +0.2 0.68 ± 8% perf-profile.calltrace.cycles-pp.ttwu_queue_wakelist.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_sync_key 5.57 ± 2% +0.2 5.80 perf-profile.calltrace.cycles-pp.__napi_poll.net_rx_action.handle_softirqs.do_softirq.__local_bh_enable_ip 5.54 ± 2% +0.2 5.78 ± 2% perf-profile.calltrace.cycles-pp.process_backlog.__napi_poll.net_rx_action.handle_softirqs.do_softirq 1.06 ± 4% +0.2 1.30 perf-profile.calltrace.cycles-pp.dequeue_entity.dequeue_entities.dequeue_task_fair.try_to_block_task.__schedule 5.22 ± 2% +0.3 5.48 ± 2% perf-profile.calltrace.cycles-pp.__netif_receive_skb_one_core.process_backlog.__napi_poll.net_rx_action.handle_softirqs 4.61 ± 2% +0.3 4.92 ± 2% perf-profile.calltrace.cycles-pp.ip_protocol_deliver_rcu.ip_local_deliver_finish.__netif_receive_skb_one_core.process_backlog.__napi_poll 4.62 ± 2% +0.3 4.94 ± 2% perf-profile.calltrace.cycles-pp.ip_local_deliver_finish.__netif_receive_skb_one_core.process_backlog.__napi_poll.net_rx_action 4.44 ± 2% +0.3 4.77 ± 2% perf-profile.calltrace.cycles-pp.__udp4_lib_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.__netif_receive_skb_one_core.process_backlog 0.66 ± 14% +0.3 1.00 ± 17% perf-profile.calltrace.cycles-pp.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle 3.89 ± 3% +0.4 4.29 ± 3% perf-profile.calltrace.cycles-pp.udp_queue_rcv_one_skb.udp_unicast_rcv_skb.__udp4_lib_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish 3.96 ± 3% +0.4 4.36 ± 3% perf-profile.calltrace.cycles-pp.udp_unicast_rcv_skb.__udp4_lib_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.__netif_receive_skb_one_core 0.54 ± 46% +0.4 0.95 ± 17% perf-profile.calltrace.cycles-pp.enqueue_task.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue 0.84 ± 2% +0.4 1.27 ± 7% perf-profile.calltrace.cycles-pp.free_frozen_page_commit.__free_frozen_pages.skb_release_data.__consume_stateless_skb.udp_recvmsg 2.03 ± 4% +0.4 2.48 ± 2% perf-profile.calltrace.cycles-pp.dequeue_entities.dequeue_task_fair.try_to_block_task.__schedule.schedule 2.30 ± 6% +0.5 2.76 ± 5% perf-profile.calltrace.cycles-pp.__wake_up_common.__wake_up_sync_key.sock_def_readable.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb 2.16 ± 7% +0.5 2.62 ± 5% perf-profile.calltrace.cycles-pp.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.sock_def_readable 2.13 ± 4% +0.5 2.60 perf-profile.calltrace.cycles-pp.dequeue_task_fair.try_to_block_task.__schedule.schedule.schedule_timeout 1.92 +0.5 2.39 ± 5% perf-profile.calltrace.cycles-pp.alloc_pages_mpol.alloc_pages_noprof.skb_page_frag_refill.sk_page_frag_refill.__ip_append_data 2.24 ± 3% +0.5 2.72 perf-profile.calltrace.cycles-pp.try_to_block_task.__schedule.schedule.schedule_timeout.__skb_wait_for_more_packets 0.08 ±223% +0.5 0.56 ± 8% perf-profile.calltrace.cycles-pp.__free_one_page.free_pcppages_bulk.free_frozen_page_commit.__free_frozen_pages.skb_release_data 1.96 ± 2% +0.5 2.44 ± 5% perf-profile.calltrace.cycles-pp.alloc_pages_noprof.skb_page_frag_refill.sk_page_frag_refill.__ip_append_data.ip_make_skb 0.69 ± 3% +0.5 1.17 ± 9% perf-profile.calltrace.cycles-pp.free_pcppages_bulk.free_frozen_page_commit.__free_frozen_pages.skb_release_data.__consume_stateless_skb 2.19 ± 7% +0.5 2.67 ± 5% perf-profile.calltrace.cycles-pp.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.sock_def_readable.__udp_enqueue_schedule_skb 2.44 ± 5% +0.5 2.92 ± 4% perf-profile.calltrace.cycles-pp.__wake_up_sync_key.sock_def_readable.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb.udp_unicast_rcv_skb 1.77 ± 2% +0.5 2.27 ± 5% perf-profile.calltrace.cycles-pp.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.skb_page_frag_refill.sk_page_frag_refill 3.34 ± 3% +0.5 3.84 ± 3% perf-profile.calltrace.cycles-pp.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb.udp_unicast_rcv_skb.__udp4_lib_rcv.ip_protocol_deliver_rcu 0.78 ± 13% +0.5 1.29 ± 11% perf-profile.calltrace.cycles-pp.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle.cpu_startup_entry 2.62 ± 4% +0.6 3.18 ± 4% perf-profile.calltrace.cycles-pp.sock_def_readable.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb.udp_unicast_rcv_skb.__udp4_lib_rcv 2.34 +0.6 2.90 ± 3% perf-profile.calltrace.cycles-pp.sk_page_frag_refill.__ip_append_data.ip_make_skb.udp_sendmsg.__sys_sendto 1.50 ± 2% +0.6 2.06 ± 6% perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.skb_page_frag_refill 2.30 ± 2% +0.6 2.86 ± 3% perf-profile.calltrace.cycles-pp.skb_page_frag_refill.sk_page_frag_refill.__ip_append_data.ip_make_skb.udp_sendmsg 1.04 ± 2% +0.6 1.68 ± 6% perf-profile.calltrace.cycles-pp.rmqueue.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof 0.58 ± 4% +0.7 1.24 ± 8% perf-profile.calltrace.cycles-pp.rmqueue_bulk.__rmqueue_pcplist.rmqueue.get_page_from_freelist.__alloc_frozen_pages_noprof 0.72 ± 2% +0.7 1.38 ± 7% perf-profile.calltrace.cycles-pp.__rmqueue_pcplist.rmqueue.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol 43.98 +0.7 44.68 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.sendto.send_omni_inner.send_udp_stream.main 25.36 +0.8 26.16 perf-profile.calltrace.cycles-pp.ip_generic_getfrag.__ip_append_data.ip_make_skb.udp_sendmsg.__sys_sendto 5.49 ± 2% +0.8 6.30 perf-profile.calltrace.cycles-pp.__skb_recv_udp.udp_recvmsg.inet_recvmsg.sock_recvmsg.__sys_recvfrom 3.44 ± 3% +0.8 4.26 ± 2% perf-profile.calltrace.cycles-pp.__schedule.schedule.schedule_timeout.__skb_wait_for_more_packets.__skb_recv_udp 24.94 +0.8 25.78 perf-profile.calltrace.cycles-pp._copy_from_iter.ip_generic_getfrag.__ip_append_data.ip_make_skb.udp_sendmsg 3.55 ± 4% +0.8 4.40 ± 2% perf-profile.calltrace.cycles-pp.schedule.schedule_timeout.__skb_wait_for_more_packets.__skb_recv_udp.udp_recvmsg 24.34 +0.9 25.20 perf-profile.calltrace.cycles-pp.rep_movs_alternative._copy_from_iter.ip_generic_getfrag.__ip_append_data.ip_make_skb 3.67 ± 3% +0.9 4.55 ± 2% perf-profile.calltrace.cycles-pp.schedule_timeout.__skb_wait_for_more_packets.__skb_recv_udp.udp_recvmsg.inet_recvmsg 4.08 ± 3% +1.0 5.09 ± 2% perf-profile.calltrace.cycles-pp.__skb_wait_for_more_packets.__skb_recv_udp.udp_recvmsg.inet_recvmsg.sock_recvmsg 41.97 +1.0 43.01 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.sendto.send_omni_inner.send_udp_stream 41.63 +1.1 42.73 perf-profile.calltrace.cycles-pp.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe.sendto.send_omni_inner 41.58 +1.1 42.69 perf-profile.calltrace.cycles-pp.__sys_sendto.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe.sendto 40.72 +1.3 41.97 perf-profile.calltrace.cycles-pp.udp_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe 30.65 +1.5 32.10 perf-profile.calltrace.cycles-pp.ip_make_skb.udp_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64 30.04 +1.5 31.57 perf-profile.calltrace.cycles-pp.__ip_append_data.ip_make_skb.udp_sendmsg.__sys_sendto.__x64_sys_sendto 0.93 ±115% +1.7 2.65 ± 42% perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 1.29 ±100% +1.9 3.18 ± 42% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64 1.84 ± 10% +2.3 4.18 ± 11% perf-profile.calltrace.cycles-pp.poll_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 2.28 ± 10% +2.8 5.09 ± 9% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry 7.10 ± 3% +4.4 11.48 ± 3% perf-profile.calltrace.cycles-pp.common_startup_64 92.05 -4.6 87.45 perf-profile.children.cycles-pp.main 42.10 -4.5 37.58 perf-profile.children.cycles-pp.recvfrom 42.50 -4.5 38.02 perf-profile.children.cycles-pp.accept_connection 42.50 -4.5 38.02 perf-profile.children.cycles-pp.accept_connections 42.50 -4.5 38.02 perf-profile.children.cycles-pp.process_requests 42.50 -4.5 38.02 perf-profile.children.cycles-pp.spawn_child 42.50 -4.5 38.02 perf-profile.children.cycles-pp.recv_omni 23.29 -3.9 19.37 perf-profile.children.cycles-pp.skb_copy_datagram_iter 23.26 -3.9 19.35 perf-profile.children.cycles-pp.__skb_datagram_iter 22.29 -3.8 18.50 perf-profile.children.cycles-pp._copy_to_iter 33.83 -3.5 30.38 perf-profile.children.cycles-pp.__x64_sys_recvfrom 33.76 -3.4 30.31 perf-profile.children.cycles-pp.__sys_recvfrom 32.73 -3.3 29.42 perf-profile.children.cycles-pp.sock_recvmsg 32.64 -3.3 29.34 perf-profile.children.cycles-pp.inet_recvmsg 32.52 -3.3 29.27 perf-profile.children.cycles-pp.udp_recvmsg 81.08 -2.9 78.18 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 46.43 -2.8 43.59 perf-profile.children.cycles-pp.rep_movs_alternative 76.92 -2.2 74.71 perf-profile.children.cycles-pp.do_syscall_64 5.66 -1.1 4.60 ± 2% perf-profile.children.cycles-pp.syscall_return_via_sysret 3.08 ± 2% -0.5 2.60 ± 3% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 1.35 -0.2 1.11 ± 3% perf-profile.children.cycles-pp.entry_SYSCALL_64 0.87 ± 6% -0.2 0.70 ± 9% perf-profile.children.cycles-pp._raw_spin_trylock 1.04 -0.2 0.89 ± 6% perf-profile.children.cycles-pp.__check_object_size 1.00 ± 5% -0.2 0.84 ± 2% perf-profile.children.cycles-pp.ip_route_output_flow 1.03 ± 6% -0.1 0.88 ± 4% perf-profile.children.cycles-pp.sock_alloc_send_pskb 49.52 -0.1 49.38 perf-profile.children.cycles-pp.send_omni_inner 0.83 ± 2% -0.1 0.69 ± 7% perf-profile.children.cycles-pp.check_heap_object 49.53 -0.1 49.39 perf-profile.children.cycles-pp.send_udp_stream 0.78 ± 5% -0.1 0.66 ± 4% perf-profile.children.cycles-pp.ip_route_output_key_hash_rcu 0.54 ± 9% -0.1 0.43 ± 6% perf-profile.children.cycles-pp.fdget 0.66 ± 4% -0.1 0.54 ± 6% perf-profile.children.cycles-pp.simple_copy_to_iter 49.22 -0.1 49.11 perf-profile.children.cycles-pp.sendto 0.64 ± 3% -0.1 0.53 ± 2% perf-profile.children.cycles-pp.udp_rmem_release 0.22 ± 10% -0.1 0.12 ± 11% perf-profile.children.cycles-pp.__mod_zone_page_state 0.70 ± 5% -0.1 0.61 ± 6% perf-profile.children.cycles-pp.kmem_cache_free 0.48 ± 4% -0.1 0.40 ± 7% perf-profile.children.cycles-pp.__ip_make_skb 0.47 ± 5% -0.1 0.41 ± 5% perf-profile.children.cycles-pp.__slab_free 0.28 ± 8% -0.1 0.23 ± 4% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack 0.31 ± 11% -0.1 0.26 ± 7% perf-profile.children.cycles-pp.__udp4_lib_lookup 0.22 ± 4% -0.0 0.18 ± 8% perf-profile.children.cycles-pp.skb_set_owner_w 0.22 ± 3% -0.0 0.18 ± 7% perf-profile.children.cycles-pp.refill_stock 0.16 ± 5% -0.0 0.13 ± 7% perf-profile.children.cycles-pp.drain_stock 0.11 ± 7% -0.0 0.08 ± 11% perf-profile.children.cycles-pp._copy_to_user 0.12 ± 7% -0.0 0.10 ± 4% perf-profile.children.cycles-pp.page_counter_uncharge 0.07 ± 14% +0.0 0.09 ± 10% perf-profile.children.cycles-pp.put_prev_task_fair 0.06 ± 7% +0.0 0.08 ± 8% perf-profile.children.cycles-pp.rb_next 0.05 ± 8% +0.0 0.07 ± 15% perf-profile.children.cycles-pp.delay_tsc 0.06 ± 7% +0.0 0.09 ± 12% perf-profile.children.cycles-pp.put_prev_task_idle 0.06 ± 9% +0.0 0.08 ± 13% perf-profile.children.cycles-pp.update_irq_load_avg 0.03 ± 70% +0.0 0.06 ± 7% perf-profile.children.cycles-pp.update_min_vruntime 0.12 ± 9% +0.0 0.16 ± 11% perf-profile.children.cycles-pp.update_cfs_group 0.11 ± 10% +0.0 0.14 ± 11% perf-profile.children.cycles-pp.os_xsave 0.08 ± 13% +0.0 0.11 ± 6% perf-profile.children.cycles-pp.timerqueue_del 0.06 ± 7% +0.0 0.10 ± 13% perf-profile.children.cycles-pp.get_cpu_device 0.08 ± 16% +0.0 0.12 ± 12% perf-profile.children.cycles-pp.local_clock_noinstr 0.18 ± 7% +0.0 0.22 ± 6% perf-profile.children.cycles-pp.prepare_to_wait_exclusive 0.03 ±100% +0.0 0.07 ± 9% perf-profile.children.cycles-pp.ct_kernel_exit_state 0.06 ± 11% +0.0 0.11 ± 23% perf-profile.children.cycles-pp.x64_sys_call 0.03 ±100% +0.0 0.07 ± 17% perf-profile.children.cycles-pp.__rdgsbase_inactive 0.09 ± 5% +0.0 0.13 ± 10% perf-profile.children.cycles-pp.__wrgsbase_inactive 0.20 ± 4% +0.0 0.25 ± 3% perf-profile.children.cycles-pp.task_contending 0.14 ± 10% +0.0 0.18 ± 6% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq 0.18 ± 7% +0.0 0.22 ± 4% perf-profile.children.cycles-pp.avg_vruntime 0.06 ± 6% +0.1 0.11 ± 11% perf-profile.children.cycles-pp.sched_tick 0.13 ± 8% +0.1 0.18 ± 5% perf-profile.children.cycles-pp.cpuidle_governor_latency_req 0.21 ± 5% +0.1 0.26 ± 5% perf-profile.children.cycles-pp.update_entity_lag 0.11 ± 4% +0.1 0.16 ± 13% perf-profile.children.cycles-pp.rseq_update_cpu_node_id 0.01 ±223% +0.1 0.06 ± 17% perf-profile.children.cycles-pp.enqueue_hrtimer 0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages 0.08 ± 8% +0.1 0.14 ± 8% perf-profile.children.cycles-pp.llist_reverse_order 0.14 ± 8% +0.1 0.20 ± 5% perf-profile.children.cycles-pp.__update_load_avg_se 0.00 +0.1 0.06 ± 11% perf-profile.children.cycles-pp.get_nohz_timer_target 0.00 +0.1 0.06 ± 30% perf-profile.children.cycles-pp.__x64_sys_exit_group 0.00 +0.1 0.06 ± 30% perf-profile.children.cycles-pp.do_exit 0.00 +0.1 0.06 ± 30% perf-profile.children.cycles-pp.do_group_exit 0.16 ± 15% +0.1 0.22 ± 11% perf-profile.children.cycles-pp.rseq_ip_fixup 0.01 ±223% +0.1 0.07 ± 27% perf-profile.children.cycles-pp.switch_fpu_return 0.06 ± 45% +0.1 0.12 ± 17% perf-profile.children.cycles-pp.available_idle_cpu 0.02 ±141% +0.1 0.08 ± 22% perf-profile.children.cycles-pp.__enqueue_entity 0.18 ± 8% +0.1 0.24 ± 11% perf-profile.children.cycles-pp.update_rq_clock 0.13 ± 9% +0.1 0.19 ± 6% perf-profile.children.cycles-pp.tick_nohz_idle_enter 0.41 ± 5% +0.1 0.48 ± 3% perf-profile.children.cycles-pp.native_sched_clock 0.01 ±223% +0.1 0.08 ± 19% perf-profile.children.cycles-pp.intel_idle 0.12 ± 12% +0.1 0.19 ± 24% perf-profile.children.cycles-pp.__irq_exit_rcu 0.08 ± 13% +0.1 0.16 ± 16% perf-profile.children.cycles-pp.tick_nohz_idle_exit 0.18 ± 16% +0.1 0.26 ± 9% perf-profile.children.cycles-pp.llist_add_batch 0.33 ± 4% +0.1 0.41 ± 2% perf-profile.children.cycles-pp.prepare_task_switch 0.48 ± 5% +0.1 0.56 ± 8% perf-profile.children.cycles-pp.__free_one_page 0.30 ± 7% +0.1 0.39 ± 3% perf-profile.children.cycles-pp.hrtimer_try_to_cancel 0.41 ± 7% +0.1 0.50 ± 5% perf-profile.children.cycles-pp.update_curr 0.10 ± 8% +0.1 0.18 ± 8% perf-profile.children.cycles-pp.io_serial_in 0.26 ± 5% +0.1 0.35 ± 5% perf-profile.children.cycles-pp.__switch_to 0.75 ± 4% +0.1 0.84 ± 5% perf-profile.children.cycles-pp.syscall_exit_to_user_mode 0.26 ± 16% +0.1 0.36 ± 7% perf-profile.children.cycles-pp.select_task_rq 0.19 ± 20% +0.1 0.29 ± 9% perf-profile.children.cycles-pp.nohz_run_idle_balance 0.08 ± 8% +0.1 0.18 ± 10% perf-profile.children.cycles-pp.update_process_times 0.37 ± 8% +0.1 0.48 ± 4% perf-profile.children.cycles-pp.set_next_entity 0.35 ± 4% +0.1 0.46 ± 5% perf-profile.children.cycles-pp.start_dl_timer 0.30 ± 10% +0.1 0.41 ± 10% perf-profile.children.cycles-pp.__smp_call_single_queue 0.15 ± 3% +0.1 0.26 ± 8% perf-profile.children.cycles-pp.wait_for_lsr 0.32 ± 6% +0.1 0.43 ± 5% perf-profile.children.cycles-pp.__switch_to_asm 0.15 +0.1 0.26 ± 6% perf-profile.children.cycles-pp.__sysvec_irq_work 0.15 +0.1 0.26 ± 6% perf-profile.children.cycles-pp._printk 0.15 +0.1 0.26 ± 6% perf-profile.children.cycles-pp.asm_sysvec_irq_work 0.15 +0.1 0.26 ± 6% perf-profile.children.cycles-pp.console_flush_all 0.15 +0.1 0.26 ± 6% perf-profile.children.cycles-pp.console_unlock 0.15 +0.1 0.26 ± 6% perf-profile.children.cycles-pp.irq_work_run 0.15 +0.1 0.26 ± 6% perf-profile.children.cycles-pp.irq_work_run_list 0.15 +0.1 0.26 ± 6% perf-profile.children.cycles-pp.serial8250_console_write 0.15 +0.1 0.26 ± 6% perf-profile.children.cycles-pp.sysvec_irq_work 0.15 +0.1 0.26 ± 6% perf-profile.children.cycles-pp.vprintk_emit 0.28 ± 9% +0.1 0.39 ± 10% perf-profile.children.cycles-pp.__rseq_handle_notify_resume 0.22 ± 9% +0.1 0.33 ± 6% perf-profile.children.cycles-pp.read_tsc 0.55 ± 8% +0.1 0.68 ± 8% perf-profile.children.cycles-pp.ttwu_queue_wakelist 0.63 ± 6% +0.1 0.77 ± 6% perf-profile.children.cycles-pp.hrtimer_start_range_ns 0.10 ± 13% +0.2 0.26 ± 6% perf-profile.children.cycles-pp.tick_nohz_handler 2.22 ± 2% +0.2 2.38 ± 5% perf-profile.children.cycles-pp.__free_frozen_pages 0.48 ± 5% +0.2 0.65 ± 4% perf-profile.children.cycles-pp.set_next_task_fair 0.36 ± 5% +0.2 0.52 ± 5% perf-profile.children.cycles-pp.ktime_get 0.12 ± 10% +0.2 0.30 ± 5% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.75 ± 5% +0.2 0.92 ± 4% perf-profile.children.cycles-pp.dl_server_stop 0.34 ± 2% +0.2 0.52 ± 6% perf-profile.children.cycles-pp.menu_select 0.15 ± 12% +0.2 0.36 ± 5% perf-profile.children.cycles-pp.hrtimer_interrupt 5.86 ± 2% +0.2 6.06 perf-profile.children.cycles-pp.net_rx_action 0.62 ± 5% +0.2 0.83 ± 3% perf-profile.children.cycles-pp.enqueue_dl_entity 0.54 ± 6% +0.2 0.75 ± 5% perf-profile.children.cycles-pp.enqueue_entity 0.66 ± 4% +0.2 0.87 ± 3% perf-profile.children.cycles-pp.dl_server_start 0.16 ± 9% +0.2 0.38 ± 5% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.56 ± 4% +0.2 0.78 ± 2% perf-profile.children.cycles-pp.update_load_avg 5.58 ± 2% +0.2 5.81 perf-profile.children.cycles-pp.__napi_poll 5.55 ± 2% +0.2 5.78 ± 2% perf-profile.children.cycles-pp.process_backlog 1.09 ± 4% +0.2 1.34 perf-profile.children.cycles-pp.dequeue_entity 5.22 ± 2% +0.3 5.49 ± 2% perf-profile.children.cycles-pp.__netif_receive_skb_one_core 0.83 ± 4% +0.3 1.10 ± 3% perf-profile.children.cycles-pp.pick_next_task_fair 0.21 ± 12% +0.3 0.51 ± 7% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 4.63 ± 2% +0.3 4.94 ± 2% perf-profile.children.cycles-pp.ip_local_deliver_finish 4.62 ± 2% +0.3 4.93 ± 2% perf-profile.children.cycles-pp.ip_protocol_deliver_rcu 4.44 ± 2% +0.3 4.77 ± 2% perf-profile.children.cycles-pp.__udp4_lib_rcv 0.26 ± 8% +0.3 0.59 ± 6% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 1.05 ± 3% +0.4 1.41 ± 2% perf-profile.children.cycles-pp.__pick_next_task 3.90 ± 3% +0.4 4.30 ± 3% perf-profile.children.cycles-pp.udp_queue_rcv_one_skb 3.97 ± 3% +0.4 4.37 ± 3% perf-profile.children.cycles-pp.udp_unicast_rcv_skb 1.87 ± 2% +0.4 2.28 ± 4% perf-profile.children.cycles-pp.schedule_idle 0.84 ± 2% +0.4 1.28 ± 7% perf-profile.children.cycles-pp.free_frozen_page_commit 2.05 ± 4% +0.5 2.50 perf-profile.children.cycles-pp.dequeue_entities 2.31 ± 6% +0.5 2.77 ± 5% perf-profile.children.cycles-pp.__wake_up_common 1.98 ± 2% +0.5 2.44 ± 5% perf-profile.children.cycles-pp.alloc_pages_noprof 2.15 ± 3% +0.5 2.62 perf-profile.children.cycles-pp.dequeue_task_fair 2.26 ± 3% +0.5 2.73 perf-profile.children.cycles-pp.try_to_block_task 1.93 +0.5 2.40 ± 5% perf-profile.children.cycles-pp.alloc_pages_mpol 2.18 ± 7% +0.5 2.65 ± 5% perf-profile.children.cycles-pp.try_to_wake_up 2.20 ± 7% +0.5 2.68 ± 5% perf-profile.children.cycles-pp.autoremove_wake_function 0.69 ± 3% +0.5 1.17 ± 9% perf-profile.children.cycles-pp.free_pcppages_bulk 2.44 ± 5% +0.5 2.93 ± 4% perf-profile.children.cycles-pp.__wake_up_sync_key 1.46 ± 3% +0.5 1.95 ± 3% perf-profile.children.cycles-pp.enqueue_task_fair 1.80 ± 2% +0.5 2.29 ± 5% perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof 3.35 ± 3% +0.5 3.85 ± 3% perf-profile.children.cycles-pp.__udp_enqueue_schedule_skb 1.48 ± 3% +0.5 1.98 ± 2% perf-profile.children.cycles-pp.enqueue_task 1.57 ± 3% +0.5 2.10 ± 2% perf-profile.children.cycles-pp.ttwu_do_activate 0.77 ± 3% +0.6 1.33 ± 4% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 2.63 ± 4% +0.6 3.19 ± 4% perf-profile.children.cycles-pp.sock_def_readable 2.35 ± 2% +0.6 2.91 ± 3% perf-profile.children.cycles-pp.sk_page_frag_refill 2.30 ± 2% +0.6 2.86 ± 3% perf-profile.children.cycles-pp.skb_page_frag_refill 1.52 ± 2% +0.6 2.08 ± 6% perf-profile.children.cycles-pp.get_page_from_freelist 1.05 ± 2% +0.6 1.70 ± 6% perf-profile.children.cycles-pp.rmqueue 0.59 ± 4% +0.6 1.24 ± 8% perf-profile.children.cycles-pp.rmqueue_bulk 1.86 ± 3% +0.7 2.51 ± 2% perf-profile.children.cycles-pp.sched_ttwu_pending 0.73 ± 2% +0.7 1.39 ± 7% perf-profile.children.cycles-pp.__rmqueue_pcplist 1.00 ± 21% +0.7 1.65 ± 10% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 1.09 ± 8% +0.7 1.83 ± 4% perf-profile.children.cycles-pp.flush_smp_call_function_queue 2.08 ± 2% +0.8 2.84 ± 2% perf-profile.children.cycles-pp.__flush_smp_call_function_queue 5.50 ± 2% +0.8 6.31 perf-profile.children.cycles-pp.__skb_recv_udp 25.36 +0.8 26.17 perf-profile.children.cycles-pp.ip_generic_getfrag 24.97 +0.8 25.81 perf-profile.children.cycles-pp._copy_from_iter 3.57 ± 4% +0.9 4.44 ± 2% perf-profile.children.cycles-pp.schedule 3.70 ± 4% +0.9 4.59 ± 2% perf-profile.children.cycles-pp.schedule_timeout 4.08 ± 3% +1.0 5.09 ± 2% perf-profile.children.cycles-pp.__skb_wait_for_more_packets 41.64 +1.1 42.74 perf-profile.children.cycles-pp.__x64_sys_sendto 41.58 +1.1 42.70 perf-profile.children.cycles-pp.__sys_sendto 40.73 +1.3 41.98 perf-profile.children.cycles-pp.udp_sendmsg 5.22 ± 2% +1.3 6.49 ± 2% perf-profile.children.cycles-pp.__schedule 30.66 +1.5 32.11 perf-profile.children.cycles-pp.ip_make_skb 30.05 +1.5 31.58 perf-profile.children.cycles-pp.__ip_append_data 2.09 ± 9% +2.3 4.37 ± 11% perf-profile.children.cycles-pp.poll_idle 2.53 ± 7% +2.6 5.12 ± 9% perf-profile.children.cycles-pp.cpuidle_enter_state 2.56 ± 7% +2.6 5.15 ± 9% perf-profile.children.cycles-pp.cpuidle_enter 3.24 ± 7% +2.9 6.14 ± 7% perf-profile.children.cycles-pp.cpuidle_idle_call 7.03 ± 3% +4.4 11.39 ± 3% perf-profile.children.cycles-pp.do_idle 7.10 ± 3% +4.4 11.48 ± 3% perf-profile.children.cycles-pp.common_startup_64 7.10 ± 3% +4.4 11.48 ± 3% perf-profile.children.cycles-pp.cpu_startup_entry 46.23 -2.9 43.32 perf-profile.self.cycles-pp.rep_movs_alternative 5.52 -1.1 4.46 ± 2% perf-profile.self.cycles-pp.syscall_return_via_sysret 4.20 -0.7 3.50 ± 3% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 3.05 ± 2% -0.5 2.58 ± 3% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 1.16 -0.2 0.96 ± 4% perf-profile.self.cycles-pp.entry_SYSCALL_64 0.87 ± 6% -0.2 0.70 ± 8% perf-profile.self.cycles-pp._raw_spin_trylock 0.51 ± 5% -0.1 0.36 ± 11% perf-profile.self.cycles-pp.check_heap_object 0.35 ± 4% -0.1 0.23 ± 5% perf-profile.self.cycles-pp.skb_release_data 0.53 ± 10% -0.1 0.42 ± 6% perf-profile.self.cycles-pp.fdget 0.22 ± 10% -0.1 0.12 ± 12% perf-profile.self.cycles-pp.__mod_zone_page_state 0.60 ± 7% -0.1 0.50 ± 4% perf-profile.self.cycles-pp.fib_table_lookup 0.46 ± 6% -0.1 0.37 ± 5% perf-profile.self.cycles-pp.__free_frozen_pages 0.39 ± 7% -0.1 0.31 ± 8% perf-profile.self.cycles-pp.udp_recvmsg 0.29 ± 6% -0.1 0.22 ± 10% perf-profile.self.cycles-pp.__skb_recv_udp 0.32 ± 5% -0.1 0.24 ± 12% perf-profile.self.cycles-pp.udp_rmem_release 0.28 ± 2% -0.1 0.21 ± 9% perf-profile.self.cycles-pp.__alloc_frozen_pages_noprof 0.22 ± 6% -0.1 0.15 ± 13% perf-profile.self.cycles-pp.get_page_from_freelist 0.60 ± 4% -0.1 0.54 ± 3% perf-profile.self.cycles-pp._copy_from_iter 0.22 ± 6% -0.1 0.16 ± 15% perf-profile.self.cycles-pp.__ip_select_ident 0.47 ± 5% -0.1 0.41 ± 5% perf-profile.self.cycles-pp.__slab_free 0.12 ± 14% -0.1 0.07 ± 23% perf-profile.self.cycles-pp.inet_recvmsg 0.22 ± 4% -0.0 0.17 ± 8% perf-profile.self.cycles-pp.skb_set_owner_w 0.34 ± 4% -0.0 0.29 ± 3% perf-profile.self.cycles-pp.syscall_exit_to_user_mode 0.16 ± 10% -0.0 0.13 ± 12% perf-profile.self.cycles-pp.process_backlog 0.10 ± 13% -0.0 0.07 ± 12% perf-profile.self.cycles-pp.free_tail_page_prepare 0.05 ± 8% +0.0 0.07 ± 15% perf-profile.self.cycles-pp.delay_tsc 0.10 ± 10% +0.0 0.12 ± 6% perf-profile.self.cycles-pp.sched_ttwu_pending 0.06 ± 11% +0.0 0.08 ± 18% perf-profile.self.cycles-pp.ttwu_do_activate 0.06 ± 9% +0.0 0.08 ± 10% perf-profile.self.cycles-pp.update_irq_load_avg 0.12 ± 9% +0.0 0.15 ± 10% perf-profile.self.cycles-pp.update_cfs_group 0.06 ± 7% +0.0 0.10 ± 12% perf-profile.self.cycles-pp.get_cpu_device 0.11 ± 10% +0.0 0.14 ± 11% perf-profile.self.cycles-pp.os_xsave 0.08 ± 14% +0.0 0.12 ± 5% perf-profile.self.cycles-pp.enqueue_entity 0.20 ± 6% +0.0 0.24 ± 5% perf-profile.self.cycles-pp.dequeue_entity 0.02 ±141% +0.0 0.06 ± 8% perf-profile.self.cycles-pp.task_contending 0.08 ± 14% +0.0 0.13 ± 9% perf-profile.self.cycles-pp.nohz_run_idle_balance 0.19 ± 8% +0.0 0.24 ± 6% perf-profile.self.cycles-pp.do_idle 0.13 ± 8% +0.0 0.18 ± 6% perf-profile.self.cycles-pp.__update_load_avg_cfs_rq 0.18 ± 12% +0.0 0.22 ± 9% perf-profile.self.cycles-pp.enqueue_task_fair 0.09 ± 5% +0.0 0.13 ± 10% perf-profile.self.cycles-pp.__wrgsbase_inactive 0.02 ± 99% +0.0 0.07 ± 9% perf-profile.self.cycles-pp.ct_kernel_exit_state 0.07 ± 12% +0.0 0.12 ± 11% perf-profile.self.cycles-pp.flush_smp_call_function_queue 0.02 ±141% +0.0 0.06 ± 11% perf-profile.self.cycles-pp.put_prev_task_idle 0.02 ± 99% +0.0 0.07 ± 17% perf-profile.self.cycles-pp.__rdgsbase_inactive 0.12 ± 8% +0.0 0.16 ± 6% perf-profile.self.cycles-pp.__pick_next_task 0.17 ± 4% +0.1 0.22 ± 4% perf-profile.self.cycles-pp.avg_vruntime 0.14 ± 4% +0.1 0.19 ± 10% perf-profile.self.cycles-pp.__flush_smp_call_function_queue 0.12 ± 8% +0.1 0.17 ± 6% perf-profile.self.cycles-pp.set_next_task_fair 0.10 ± 4% +0.1 0.16 ± 13% perf-profile.self.cycles-pp.rseq_update_cpu_node_id 0.14 ± 12% +0.1 0.19 ± 5% perf-profile.self.cycles-pp.ktime_get 0.13 ± 7% +0.1 0.19 ± 7% perf-profile.self.cycles-pp.__update_load_avg_se 0.08 ± 18% +0.1 0.13 ± 8% perf-profile.self.cycles-pp.enqueue_dl_entity 0.17 ± 10% +0.1 0.22 ± 8% perf-profile.self.cycles-pp.prepare_task_switch 0.08 ± 10% +0.1 0.13 ± 8% perf-profile.self.cycles-pp.llist_reverse_order 0.48 ± 5% +0.1 0.54 ± 3% perf-profile.self.cycles-pp._raw_spin_lock 0.01 ±223% +0.1 0.07 ± 27% perf-profile.self.cycles-pp.switch_fpu_return 0.02 ±141% +0.1 0.08 ± 22% perf-profile.self.cycles-pp.__enqueue_entity 0.06 ± 46% +0.1 0.12 ± 17% perf-profile.self.cycles-pp.available_idle_cpu 0.02 ±142% +0.1 0.08 ± 17% perf-profile.self.cycles-pp.cpuidle_enter_state 0.39 ± 6% +0.1 0.46 ± 3% perf-profile.self.cycles-pp.native_sched_clock 0.16 ± 13% +0.1 0.23 ± 6% perf-profile.self.cycles-pp.__skb_wait_for_more_packets 0.13 ± 12% +0.1 0.20 ± 17% perf-profile.self.cycles-pp.try_to_wake_up 0.01 ±223% +0.1 0.08 ± 19% perf-profile.self.cycles-pp.intel_idle 0.20 ± 7% +0.1 0.28 ± 6% perf-profile.self.cycles-pp.cpuidle_idle_call 0.18 ± 16% +0.1 0.26 ± 9% perf-profile.self.cycles-pp.llist_add_batch 0.26 ± 5% +0.1 0.34 ± 4% perf-profile.self.cycles-pp.__switch_to 0.33 ± 6% +0.1 0.41 ± 7% perf-profile.self.cycles-pp.skb_page_frag_refill 0.10 ± 8% +0.1 0.18 ± 8% perf-profile.self.cycles-pp.io_serial_in 0.26 ± 6% +0.1 0.36 ± 5% perf-profile.self.cycles-pp.update_load_avg 0.32 ± 5% +0.1 0.43 ± 6% perf-profile.self.cycles-pp.__switch_to_asm 0.22 ± 9% +0.1 0.33 ± 5% perf-profile.self.cycles-pp.read_tsc 0.19 ± 5% +0.1 0.31 ± 6% perf-profile.self.cycles-pp.menu_select 0.48 ± 7% +0.1 0.61 ± 5% perf-profile.self.cycles-pp.__schedule 0.36 ± 7% +0.2 0.51 ± 10% perf-profile.self.cycles-pp.__free_one_page 0.41 ± 4% +0.2 0.61 ± 9% perf-profile.self.cycles-pp.rmqueue_bulk 1.29 ± 3% +0.3 1.60 ± 4% perf-profile.self.cycles-pp.__ip_append_data 0.15 ± 10% +0.5 0.61 ± 21% perf-profile.self.cycles-pp.free_pcppages_bulk 0.99 ± 21% +0.7 1.65 ± 10% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 0.99 ± 10% +2.1 3.09 ± 13% perf-profile.self.cycles-pp.poll_idle *************************************************************************************************** lkp-srf-2sp2: 192 threads 2 sockets Intel(R) Xeon(R) 6740E CPU @ 2.4GHz (Sierra Forest) with 256G memory ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-12/performance/x86_64-rhel-9.4/100%/debian-12-x86_64-20240206.cgz/lkp-srf-2sp2/mlockmany/stress-ng/60s commit: 05275594a3 ("mm/hugetlb: convert use of struct page to folio in __unmap_hugepage_range()") c544a952ba ("mm: pcp: increase pcp->free_count threshold to trigger free_high") 05275594a311cd74 c544a952ba61b1a025455098033 ---------------- --------------------------- %stddev %change %stddev \ | \ 183479 ± 4% -14.2% 157507 ± 2% cpuidle..usage 2.62 ± 24% +1.7 4.31 ± 26% mpstat.cpu.all.idle% 2.91 ± 4% -2.0 0.87 ± 3% mpstat.cpu.all.soft% 219798 ± 2% -10.3% 197133 ± 4% numa-meminfo.node0.Mlocked 217527 ± 3% -12.4% 190464 ± 5% numa-meminfo.node1.Mlocked 412.05 +15.1% 474.32 vmstat.procs.r 90984 +20.1% 109298 vmstat.system.cs 452201 +4.6% 473111 vmstat.system.in 1453896 -12.4% 1273314 meminfo.AnonPages 10107135 +12.9% 11406807 meminfo.Memused 447630 -14.9% 380950 ± 2% meminfo.Mlocked 10499561 +12.7% 11833700 meminfo.max_used_kB 2.409e+08 +22.0% 2.938e+08 numa-numastat.node0.local_node 2.41e+08 +22.0% 2.939e+08 numa-numastat.node0.numa_hit 2.375e+08 +21.9% 2.895e+08 numa-numastat.node1.local_node 2.376e+08 +21.9% 2.897e+08 numa-numastat.node1.numa_hit 55425 ± 4% -9.7% 50074 numa-vmstat.node0.nr_mlock 2.408e+08 +21.9% 2.937e+08 numa-vmstat.node0.numa_hit 2.407e+08 +21.9% 2.935e+08 numa-vmstat.node0.numa_local 2.375e+08 +21.9% 2.895e+08 numa-vmstat.node1.numa_hit 2.374e+08 +21.9% 2.894e+08 numa-vmstat.node1.numa_local 105.92 ± 14% -28.9% 75.35 ± 12% sched_debug.cfs_rq:/.load_avg.avg 609475 ± 4% +21.5% 740406 ± 3% sched_debug.cpu.curr->pid.avg 725601 +26.0% 913936 sched_debug.cpu.curr->pid.max 149.67 ±122% +354.2% 679.83 ± 79% sched_debug.cpu.curr->pid.min 260666 ± 7% +35.7% 353837 ± 5% sched_debug.cpu.curr->pid.stddev 16226 ± 2% +19.2% 19337 sched_debug.cpu.nr_switches.avg 11199 ± 2% +20.3% 13471 ± 5% sched_debug.cpu.nr_switches.min 1468638 +26.1% 1852566 stress-ng.mlockmany.ops 24469 +26.2% 30870 stress-ng.mlockmany.ops_per_sec 2523625 +20.4% 3038711 stress-ng.time.involuntary_context_switches 2017 ± 5% +170.5% 5457 ± 31% stress-ng.time.major_page_faults 5.066e+08 +22.7% 6.214e+08 stress-ng.time.minor_page_faults 17966 +3.6% 18609 stress-ng.time.percent_of_cpu_this_job_got 10789 +3.6% 11180 stress-ng.time.system_time 62.88 ± 7% -11.9% 55.38 ± 2% stress-ng.time.user_time 2257684 +25.3% 2829176 stress-ng.time.voluntary_context_switches 361795 -12.4% 316790 ± 2% proc-vmstat.nr_anon_pages 126934 -7.0% 118034 proc-vmstat.nr_mapped 108871 ± 3% -11.8% 95988 ± 4% proc-vmstat.nr_mlock 995769 -1.3% 982916 proc-vmstat.nr_unevictable 995768 -1.3% 982917 proc-vmstat.nr_zone_unevictable 4.786e+08 +21.9% 5.836e+08 proc-vmstat.numa_hit 4.784e+08 +21.9% 5.833e+08 proc-vmstat.numa_local 4.81e+08 +21.9% 5.862e+08 proc-vmstat.pgalloc_normal 5.07e+08 +22.6% 6.219e+08 proc-vmstat.pgfault 4.802e+08 +21.9% 5.854e+08 proc-vmstat.pgfree 5.397e+08 +2.1% 5.509e+08 proc-vmstat.unevictable_pgs_culled 5.398e+08 +2.1% 5.509e+08 proc-vmstat.unevictable_pgs_mlocked 5.398e+08 +2.1% 5.509e+08 proc-vmstat.unevictable_pgs_munlocked 5.397e+08 +2.1% 5.509e+08 proc-vmstat.unevictable_pgs_rescued 5.56 +12.8% 6.27 perf-stat.i.MPKI 2.373e+10 +9.2% 2.591e+10 perf-stat.i.branch-instructions 0.50 +0.1 0.56 perf-stat.i.branch-miss-rate% 1.165e+08 +20.4% 1.403e+08 perf-stat.i.branch-misses 6.635e+08 +24.7% 8.274e+08 perf-stat.i.cache-misses 1.191e+09 +23.3% 1.47e+09 perf-stat.i.cache-references 93801 +21.2% 113707 perf-stat.i.context-switches 5.03 -9.7% 4.54 perf-stat.i.cpi 905.91 -19.9% 725.22 perf-stat.i.cycles-between-cache-misses 1.192e+11 +10.3% 1.315e+11 perf-stat.i.instructions 0.20 +10.7% 0.22 perf-stat.i.ipc 33.22 ± 5% +168.8% 89.29 ± 31% perf-stat.i.major-faults 15.71 ± 3% +28.8% 20.23 ± 2% perf-stat.i.metric.K/sec 1508049 ± 3% +28.8% 1942280 ± 2% perf-stat.i.minor-faults 1508269 ± 3% +28.8% 1942666 ± 2% perf-stat.i.page-faults 5.57 +13.1% 6.29 perf-stat.overall.MPKI 0.49 +0.1 0.54 perf-stat.overall.branch-miss-rate% 55.70 +0.6 56.31 perf-stat.overall.cache-miss-rate% 5.06 -9.7% 4.57 perf-stat.overall.cpi 908.46 -20.1% 725.73 perf-stat.overall.cycles-between-cache-misses 0.20 +10.7% 0.22 perf-stat.overall.ipc 2.328e+10 +8.9% 2.537e+10 perf-stat.ps.branch-instructions 1.137e+08 +20.2% 1.367e+08 perf-stat.ps.branch-misses 6.51e+08 +24.4% 8.101e+08 perf-stat.ps.cache-misses 1.169e+09 +23.1% 1.439e+09 perf-stat.ps.cache-references 91964 +21.0% 111300 perf-stat.ps.context-switches 1.17e+11 +10.1% 1.287e+11 perf-stat.ps.instructions 32.46 ± 5% +168.6% 87.20 ± 31% perf-stat.ps.major-faults 1478457 ± 4% +28.6% 1900887 perf-stat.ps.minor-faults 1478673 ± 4% +28.6% 1901264 perf-stat.ps.page-faults 7.179e+12 +10.8% 7.956e+12 perf-stat.total.instructions 2.21 ± 2% -9.5% 2.00 ± 3% perf-sched.sch_delay.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.alloc_anon_folio 2.56 ± 2% -17.6% 2.11 ± 2% perf-sched.sch_delay.avg.ms.__cond_resched.__get_user_pages.populate_vma_page_range.__mm_populate.do_mlock 3.55 +11.0% 3.94 ± 2% perf-sched.sch_delay.avg.ms.__cond_resched.__tlb_batch_free_encoded_pages.tlb_finish_mmu.vms_clear_ptes.part 3.41 ± 2% +13.1% 3.86 ± 3% perf-sched.sch_delay.avg.ms.__cond_resched.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range.zap_pmd_range 0.38 ±110% +707.5% 3.03 ± 41% perf-sched.sch_delay.avg.ms.__cond_resched.alloc_vmap_area.__get_vm_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 0.28 ± 71% +206.8% 0.86 ± 35% perf-sched.sch_delay.avg.ms.__cond_resched.down_read.walk_component.link_path_walk.part 1.89 ± 4% +9.4% 2.06 ± 6% perf-sched.sch_delay.avg.ms.__cond_resched.down_write.anon_vma_fork.dup_mmap.dup_mm 0.09 ±222% +2246.0% 2.07 ±123% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_lru_noprof.__d_alloc.d_alloc.d_alloc_parallel 0.05 ± 2% +93.6% 0.10 ± 26% perf-sched.sch_delay.avg.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.29 ±140% +340.5% 1.26 ± 71% perf-sched.sch_delay.avg.ms.__cond_resched.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.22 +10.9% 3.58 ± 2% perf-sched.sch_delay.avg.ms.__cond_resched.zap_pte_range.zap_pmd_range.isra.0 1.21 ± 48% +100.9% 2.42 ± 26% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pcpu_alloc_noprof 2.18 ± 2% -16.7% 1.82 perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.anon_vma_clone 3.75 -13.0% 3.26 perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas 0.42 ± 90% -93.5% 0.03 ±131% perf-sched.sch_delay.avg.ms.schedule_timeout.__wait_for_common.__flush_work.__lru_add_drain_all 0.11 ± 4% -12.9% 0.10 ± 8% perf-sched.sch_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.82 ± 6% -66.4% 0.28 ± 9% perf-sched.sch_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 0.58 ±100% +795.3% 5.17 ± 39% perf-sched.sch_delay.max.ms.__cond_resched.alloc_vmap_area.__get_vm_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 10.02 ± 17% +80.6% 18.08 ± 61% perf-sched.sch_delay.max.ms.__cond_resched.down_read.acct_collect.do_exit.do_group_exit 9.45 ± 21% +45.5% 13.75 ± 13% perf-sched.sch_delay.max.ms.__cond_resched.down_read.exit_mmap.__mmput.exit_mm 1.50 ± 87% +187.7% 4.33 ± 31% perf-sched.sch_delay.max.ms.__cond_resched.down_read.walk_component.link_path_walk.part 5.05 ± 28% -57.1% 2.16 ± 63% perf-sched.sch_delay.max.ms.__cond_resched.down_write_killable.__x64_sys_munlock.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.18 ±222% +1309.8% 2.48 ± 95% perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_lru_noprof.__d_alloc.d_alloc.d_alloc_parallel 0.21 ±215% +504.6% 1.25 ±103% perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.__ksm_enter.ksm_madvise.madvise_vma_behavior 5.12 ± 42% -67.3% 1.67 ± 57% perf-sched.sch_delay.max.ms.__cond_resched.process_one_work.worker_thread.kthread.ret_from_fork 0.48 ±142% +206.8% 1.48 ± 60% perf-sched.sch_delay.max.ms.__cond_resched.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe 27.20 ± 19% -30.2% 18.99 ± 12% perf-sched.sch_delay.max.ms.__cond_resched.zap_pmd_range.isra.0.unmap_page_range 3.55 ±109% +120.7% 7.84 ± 30% perf-sched.sch_delay.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 0.97 ± 18% -95.2% 0.05 ±142% perf-sched.sch_delay.max.ms.schedule_timeout.__wait_for_common.__flush_work.__lru_add_drain_all 10.45 -13.2% 9.07 perf-sched.total_wait_and_delay.average.ms 485797 ± 4% +16.6% 566668 perf-sched.total_wait_and_delay.count.ms 8.84 ± 2% -15.5% 7.47 perf-sched.total_wait_time.average.ms 16.35 ± 16% -23.4% 12.53 ± 8% perf-sched.wait_and_delay.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.__pmd_alloc 19.73 ± 40% -50.0% 9.86 ± 51% perf-sched.wait_and_delay.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.__pud_alloc 15.33 ± 10% -23.9% 11.66 ± 12% perf-sched.wait_and_delay.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.pte_alloc_one 15.82 ± 3% -23.7% 12.06 ± 5% perf-sched.wait_and_delay.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.wp_page_copy 4.02 ± 2% -21.4% 3.16 ± 3% perf-sched.wait_and_delay.avg.ms.__cond_resched.__get_user_pages.populate_vma_page_range.__mm_populate.do_mlock 17.93 ± 15% -29.1% 12.71 ± 15% perf-sched.wait_and_delay.avg.ms.__cond_resched.__kmalloc_cache_node_noprof.__get_vm_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 15.38 ± 15% -20.6% 12.21 ± 9% perf-sched.wait_and_delay.avg.ms.__cond_resched.__kmalloc_node_noprof.__vmalloc_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 7.10 +10.0% 7.81 ± 2% perf-sched.wait_and_delay.avg.ms.__cond_resched.__tlb_batch_free_encoded_pages.tlb_finish_mmu.vms_clear_ptes.part 16.59 ± 9% -21.7% 12.98 ± 5% perf-sched.wait_and_delay.avg.ms.__cond_resched.copy_page_range.dup_mmap.dup_mm.constprop 16.47 ± 2% -22.0% 12.85 ± 2% perf-sched.wait_and_delay.avg.ms.__cond_resched.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap 6.47 -19.2% 5.22 ± 4% perf-sched.wait_and_delay.avg.ms.__cond_resched.down_read.__mm_populate.do_mlock.__x64_sys_mlock 16.49 ± 4% -20.0% 13.19 ± 5% perf-sched.wait_and_delay.avg.ms.__cond_resched.down_write.anon_vma_clone.anon_vma_fork.dup_mmap 16.63 ± 3% -20.6% 13.20 ± 5% perf-sched.wait_and_delay.avg.ms.__cond_resched.down_write.anon_vma_fork.dup_mmap.dup_mm 16.15 ± 2% -19.0% 13.08 ± 3% perf-sched.wait_and_delay.avg.ms.__cond_resched.down_write.dup_mmap.dup_mm.constprop 1.25 ±223% +505.0% 7.54 ± 2% perf-sched.wait_and_delay.avg.ms.__cond_resched.down_write.unlink_anon_vmas.free_pgtables.exit_mmap 54.17 ± 33% -44.9% 29.84 ± 22% perf-sched.wait_and_delay.avg.ms.__cond_resched.generic_perform_write.shmem_file_write_iter.vfs_write.ksys_write 20.67 ± 17% -28.0% 14.89 ± 12% perf-sched.wait_and_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 16.65 ± 2% -22.4% 12.92 perf-sched.wait_and_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.anon_vma_fork.dup_mmap.dup_mm 16.29 ± 5% -19.9% 13.04 ± 3% perf-sched.wait_and_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_dup.dup_mmap.dup_mm 18.22 ± 40% -42.7% 10.44 ± 7% perf-sched.wait_and_delay.avg.ms.__cond_resched.pidfs_exit.release_task.wait_task_zombie.__do_wait 21.12 ± 4% -16.3% 17.68 ± 7% perf-sched.wait_and_delay.avg.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 16.29 ± 2% -23.0% 12.54 ± 6% perf-sched.wait_and_delay.avg.ms.__cond_resched.uprobe_start_dup_mmap.dup_mm.constprop.0 6.15 +12.1% 6.89 ± 3% perf-sched.wait_and_delay.avg.ms.__cond_resched.zap_pte_range.zap_pmd_range.isra.0 4.46 ± 4% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 11.02 -12.0% 9.70 perf-sched.wait_and_delay.avg.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe 14.08 ± 3% -24.8% 10.59 ± 3% perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.anon_vma_clone 13.86 ± 6% -23.2% 10.64 ± 3% perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.anon_vma_fork 7.22 -13.5% 6.24 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas 64.86 ± 3% -20.1% 51.82 ± 3% perf-sched.wait_and_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 4.24 -10.9% 3.78 perf-sched.wait_and_delay.avg.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 30.11 ± 2% -20.9% 23.81 ± 3% perf-sched.wait_and_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 2436 ± 5% +14.6% 2791 ± 3% perf-sched.wait_and_delay.count.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.wp_page_copy 16403 ± 2% +12.1% 18384 ± 3% perf-sched.wait_and_delay.count.__cond_resched.__get_user_pages.populate_vma_page_range.__mm_populate.do_mlock 34.33 ± 13% +49.0% 51.17 ± 13% perf-sched.wait_and_delay.count.__cond_resched.__kmalloc_cache_node_noprof.__get_vm_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 58.00 ± 9% +23.0% 71.33 ± 10% perf-sched.wait_and_delay.count.__cond_resched.__kmalloc_node_noprof.__vmalloc_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 231.50 ± 11% -39.7% 139.50 ± 11% perf-sched.wait_and_delay.count.__cond_resched.__kmalloc_node_noprof.alloc_slab_obj_exts.allocate_slab.___slab_alloc 4931 ± 3% +35.7% 6690 ± 4% perf-sched.wait_and_delay.count.__cond_resched.__put_anon_vma.unlink_anon_vmas.free_pgtables.exit_mmap 9614 ± 7% +30.8% 12577 ± 2% perf-sched.wait_and_delay.count.__cond_resched.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput 25007 ± 4% +25.4% 31363 ± 2% perf-sched.wait_and_delay.count.__cond_resched.__tlb_batch_free_encoded_pages.tlb_finish_mmu.vms_clear_ptes.part 766.17 ± 3% +29.9% 995.00 ± 2% perf-sched.wait_and_delay.count.__cond_resched.copy_page_range.dup_mmap.dup_mm.constprop 2099 ± 3% +22.9% 2579 ± 5% perf-sched.wait_and_delay.count.__cond_resched.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap 10958 ± 7% -44.7% 6059 ± 12% perf-sched.wait_and_delay.count.__cond_resched.down_read.__mm_populate.do_mlock.__x64_sys_mlock 909.33 ± 6% +22.9% 1117 ± 3% perf-sched.wait_and_delay.count.__cond_resched.down_write.anon_vma_clone.anon_vma_fork.dup_mmap 480.17 ± 10% +22.3% 587.17 ± 4% perf-sched.wait_and_delay.count.__cond_resched.down_write.anon_vma_fork.dup_mmap.dup_mm 3390 ± 5% +36.4% 4626 ± 3% perf-sched.wait_and_delay.count.__cond_resched.down_write.dup_mmap.dup_mm.constprop 432.67 ±223% +716.9% 3534 ± 4% perf-sched.wait_and_delay.count.__cond_resched.down_write.unlink_anon_vmas.free_pgtables.exit_mmap 7573 ± 5% +25.4% 9494 ± 3% perf-sched.wait_and_delay.count.__cond_resched.kmem_cache_alloc_noprof.anon_vma_fork.dup_mmap.dup_mm 15.83 ± 54% +78.9% 28.33 ± 18% perf-sched.wait_and_delay.count.__cond_resched.kmem_cache_alloc_noprof.dup_mm.constprop.0 5.33 ±103% +168.8% 14.33 ± 20% perf-sched.wait_and_delay.count.__cond_resched.kmem_cache_alloc_noprof.mas_dup_build.constprop.0 1420 ± 7% +29.4% 1839 ± 5% perf-sched.wait_and_delay.count.__cond_resched.kmem_cache_alloc_noprof.vm_area_dup.dup_mmap.dup_mm 357.67 ± 4% +45.3% 519.67 ± 7% perf-sched.wait_and_delay.count.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.__percpu_counter_init_many.mm_init 19.17 ± 14% +47.0% 28.17 ± 16% perf-sched.wait_and_delay.count.__cond_resched.pidfs_exit.release_task.wait_task_zombie.__do_wait 8887 ± 4% -58.1% 3719 ± 11% perf-sched.wait_and_delay.count.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 295.33 ± 9% +35.3% 399.67 ± 3% perf-sched.wait_and_delay.count.__cond_resched.uprobe_start_dup_mmap.dup_mm.constprop.0 20982 ± 3% +33.5% 28021 ± 3% perf-sched.wait_and_delay.count.__cond_resched.zap_pte_range.zap_pmd_range.isra.0 52.00 ± 5% +10.3% 57.33 ± 2% perf-sched.wait_and_delay.count.anon_pipe_read.vfs_read.ksys_read.do_syscall_64 4024 ± 4% -100.0% 0.00 perf-sched.wait_and_delay.count.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 127121 ± 4% +20.5% 153203 perf-sched.wait_and_delay.count.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call 42940 ± 4% +16.6% 50078 perf-sched.wait_and_delay.count.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe 5577 ± 7% +63.8% 9134 ± 3% perf-sched.wait_and_delay.count.io_schedule.folio_wait_bit_common.filemap_fault.__do_fault 4913 ± 4% +12.4% 5521 ± 2% perf-sched.wait_and_delay.count.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.anon_vma_clone 4025 ± 5% +34.9% 5429 ± 5% perf-sched.wait_and_delay.count.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.anon_vma_fork 26101 ± 5% +33.1% 34753 ± 3% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 33647 ± 4% +20.3% 40470 ± 3% perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 144.82 ± 42% -56.5% 63.01 ± 55% perf-sched.wait_and_delay.max.ms.__cond_resched.__kmalloc_node_noprof.__vmalloc_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 26.04 ±223% +564.0% 172.91 ± 45% perf-sched.wait_and_delay.max.ms.__cond_resched.down_write.unlink_anon_vmas.free_pgtables.exit_mmap 1849 ± 7% -14.0% 1589 ± 4% perf-sched.wait_and_delay.max.ms.__cond_resched.generic_perform_write.shmem_file_write_iter.vfs_write.ksys_write 128.53 ± 62% -72.3% 35.62 ± 38% perf-sched.wait_and_delay.max.ms.__cond_resched.pidfs_exit.release_task.wait_task_zombie.__do_wait 343.72 ± 4% -30.9% 237.64 ± 18% perf-sched.wait_and_delay.max.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 693.56 ± 65% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 14.21 ± 18% -27.3% 10.33 ± 9% perf-sched.wait_time.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.__pmd_alloc 13.07 ± 11% -27.0% 9.54 ± 15% perf-sched.wait_time.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.pte_alloc_one 1.14 ± 2% -13.7% 0.98 ± 2% perf-sched.wait_time.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.alloc_anon_folio 13.81 ± 4% -28.4% 9.89 ± 7% perf-sched.wait_time.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.wp_page_copy 1.47 ± 3% -28.0% 1.06 ± 4% perf-sched.wait_time.avg.ms.__cond_resched.__get_user_pages.populate_vma_page_range.__mm_populate.do_mlock 15.97 ± 16% -32.3% 10.81 ± 17% perf-sched.wait_time.avg.ms.__cond_resched.__kmalloc_cache_node_noprof.__get_vm_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 13.23 ± 16% -24.5% 9.99 ± 11% perf-sched.wait_time.avg.ms.__cond_resched.__kmalloc_node_noprof.__vmalloc_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 12.89 ± 39% -50.9% 6.34 ± 20% perf-sched.wait_time.avg.ms.__cond_resched.__kvmalloc_node_noprof.proc_sys_call_handler.vfs_read.ksys_read 3.55 +9.1% 3.87 ± 2% perf-sched.wait_time.avg.ms.__cond_resched.__tlb_batch_free_encoded_pages.tlb_finish_mmu.vms_clear_ptes.part 2.99 ± 2% +18.9% 3.55 ± 3% perf-sched.wait_time.avg.ms.__cond_resched.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range.zap_pmd_range 14.49 ± 10% -25.0% 10.87 ± 7% perf-sched.wait_time.avg.ms.__cond_resched.copy_page_range.dup_mmap.dup_mm.constprop 14.41 ± 3% -25.3% 10.76 ± 2% perf-sched.wait_time.avg.ms.__cond_resched.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap 4.40 -24.4% 3.33 ± 7% perf-sched.wait_time.avg.ms.__cond_resched.down_read.__mm_populate.do_mlock.__x64_sys_mlock 14.57 ± 4% -23.5% 11.14 ± 6% perf-sched.wait_time.avg.ms.__cond_resched.down_write.anon_vma_clone.anon_vma_fork.dup_mmap 14.75 ± 4% -24.5% 11.14 ± 6% perf-sched.wait_time.avg.ms.__cond_resched.down_write.anon_vma_fork.dup_mmap.dup_mm 14.14 ± 2% -22.3% 10.99 ± 4% perf-sched.wait_time.avg.ms.__cond_resched.down_write.dup_mmap.dup_mm.constprop 1.72 ± 11% -21.1% 1.35 ± 4% perf-sched.wait_time.avg.ms.__cond_resched.down_write.vma_prepare.commit_merge.vma_merge_existing_range 3.96 ± 22% -60.6% 1.56 ± 63% perf-sched.wait_time.avg.ms.__cond_resched.down_write_killable.__x64_sys_munlock.do_syscall_64.entry_SYSCALL_64_after_hwframe 52.12 ± 35% -45.9% 28.21 ± 24% perf-sched.wait_time.avg.ms.__cond_resched.generic_perform_write.shmem_file_write_iter.vfs_write.ksys_write 1.96 ± 54% -82.1% 0.35 ±118% perf-sched.wait_time.avg.ms.__cond_resched.khugepaged.kthread.ret_from_fork.ret_from_fork_asm 17.60 ± 20% -37.4% 11.02 ± 22% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 14.58 ± 2% -25.7% 10.83 ± 2% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.anon_vma_fork.dup_mmap.dup_mm 14.16 ± 6% -23.0% 10.91 ± 4% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_dup.dup_mmap.dup_mm 2.40 ± 2% -16.1% 2.02 perf-sched.wait_time.avg.ms.__cond_resched.mlock_pte_range.walk_pmd_range.isra.0 3.75 ±105% +344.5% 16.65 ± 81% perf-sched.wait_time.avg.ms.__cond_resched.mutex_lock.ldt_dup_context.dup_mmap.dup_mm 14.01 ± 8% -19.3% 11.31 ± 3% perf-sched.wait_time.avg.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.__percpu_counter_init_many.mm_init 17.31 ± 41% -44.5% 9.61 ± 7% perf-sched.wait_time.avg.ms.__cond_resched.pidfs_exit.release_task.wait_task_zombie.__do_wait 21.07 ± 4% -16.5% 17.59 ± 7% perf-sched.wait_time.avg.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 14.37 ± 3% -27.4% 10.43 ± 6% perf-sched.wait_time.avg.ms.__cond_resched.uprobe_start_dup_mmap.dup_mm.constprop.0 2.58 ± 14% +100.4% 5.17 ± 8% perf-sched.wait_time.avg.ms.__cond_resched.wp_page_copy.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 2.92 +13.4% 3.32 ± 3% perf-sched.wait_time.avg.ms.__cond_resched.zap_pte_range.zap_pmd_range.isra.0 8.46 -17.6% 6.97 perf-sched.wait_time.avg.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.28 ± 12% -31.0% 0.88 ± 15% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown] 11.90 ± 3% -26.3% 8.77 ± 4% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.anon_vma_clone 11.98 ± 6% -25.8% 8.89 ± 4% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.anon_vma_fork 3.47 ± 4% -14.0% 2.98 perf-sched.wait_time.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas 64.75 ± 3% -20.1% 51.72 ± 3% perf-sched.wait_time.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 2.01 ± 3% -16.9% 1.67 ± 2% perf-sched.wait_time.avg.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 29.29 ± 2% -19.6% 23.54 ± 3% perf-sched.wait_time.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 142.78 ± 42% -59.9% 57.28 ± 65% perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_node_noprof.__vmalloc_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 10.02 ± 17% +80.6% 18.08 ± 61% perf-sched.wait_time.max.ms.__cond_resched.down_read.acct_collect.do_exit.do_group_exit 9.45 ± 21% +45.5% 13.75 ± 13% perf-sched.wait_time.max.ms.__cond_resched.down_read.exit_mmap.__mmput.exit_mm 10.12 ± 26% -66.3% 3.41 ± 93% perf-sched.wait_time.max.ms.__cond_resched.down_write_killable.__x64_sys_munlock.do_syscall_64.entry_SYSCALL_64_after_hwframe 131.43 ± 50% -65.9% 44.88 ± 43% perf-sched.wait_time.max.ms.__cond_resched.dput.step_into.link_path_walk.part 1849 ± 7% -14.0% 1589 ± 4% perf-sched.wait_time.max.ms.__cond_resched.generic_perform_write.shmem_file_write_iter.vfs_write.ksys_write 4.11 ± 52% -83.6% 0.68 ±121% perf-sched.wait_time.max.ms.__cond_resched.khugepaged.kthread.ret_from_fork.ret_from_fork_asm 127.30 ± 62% -73.8% 33.40 ± 33% perf-sched.wait_time.max.ms.__cond_resched.pidfs_exit.release_task.wait_task_zombie.__do_wait 343.68 ± 4% -30.9% 237.63 ± 18% perf-sched.wait_time.max.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 5.26 ± 57% +95.1% 10.26 ± 22% perf-sched.wait_time.max.ms.__cond_resched.unmap_page_range.unmap_vmas.exit_mmap.__mmput 222.76 ± 22% -27.2% 162.26 ± 29% perf-sched.wait_time.max.ms.__cond_resched.uprobe_start_dup_mmap.dup_mm.constprop.0 27.20 ± 19% -30.2% 18.99 ± 12% perf-sched.wait_time.max.ms.__cond_resched.zap_pmd_range.isra.0.unmap_page_range 11.95 ± 31% -40.1% 7.16 ± 12% perf-sched.wait_time.max.ms.io_schedule.folio_wait_bit_common.__do_fault.do_read_fault 43.65 ± 73% -67.6% 14.12 ± 18% perf-sched.wait_time.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_file_vma_batch_process 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