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X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 33.4% improvement of stress-ng.epoll.ops_per_sec on: commit: 25500ba7e77ce9d3d9b5a1929d41a2ee2e23f6fe ("locking/mutex: Remove the list_head from struct mutex") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: stress-ng config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 256 threads 4 sockets INTEL(R) XEON(R) PLATINUM 8592+ (Emerald Rapids) with 256G memory parameters: nr_threads: 100% testtime: 60s test: epoll cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260415/202604151504.904bca26-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-14/performance/x86_64-rhel-9.4/100%/debian-13-x86_64-20250902.cgz/lkp-emr-2sp1/epoll/stress-ng/60s commit: b9bdd4b684 ("locking/semaphore: Remove the list_head from struct semaphore") 25500ba7e7 ("locking/mutex: Remove the list_head from struct mutex") b9bdd4b6840454ef 25500ba7e77ce9d3d9b5a1929d4 ---------------- --------------------------- %stddev %change %stddev \ | \ 1.479e+08 +33.4% 1.973e+08 stress-ng.epoll.ops 2465965 +33.4% 3288822 stress-ng.epoll.ops_per_sec 73211693 ± 7% -23.8% 55766682 ± 5% stress-ng.time.involuntary_context_switches 97052 ± 6% +22.2% 118623 ± 3% stress-ng.time.minor_page_faults 289.53 ± 3% +13.4% 328.37 stress-ng.time.user_time 56759140 -34.2% 37353068 ± 4% stress-ng.time.voluntary_context_switches 18403 ± 9% -28.8% 13098 ± 25% perf-c2c.HITM.remote 0.32 ± 9% +0.1 0.46 ± 8% mpstat.cpu.all.soft% 2.34 ± 2% +0.3 2.59 mpstat.cpu.all.usr% 10319504 +5.8% 10919056 turbostat.NMI 635.33 +2.6% 652.16 turbostat.PkgWatt 22.38 +6.0% 23.72 turbostat.RAMWatt 11909616 -6.1% 11177957 vmstat.memory.cache 400.06 ± 2% -10.0% 360.23 ± 2% vmstat.procs.r 2055397 ± 4% -27.9% 1482342 ± 4% vmstat.system.cs 571786 +3.8% 593254 vmstat.system.in 0.99 ± 3% +37.0% 1.36 ± 3% perf-stat.i.MPKI 0.27 +0.1 0.33 perf-stat.i.branch-miss-rate% 1.212e+08 +19.9% 1.454e+08 perf-stat.i.branch-misses 2.212e+08 ± 3% +37.6% 3.042e+08 perf-stat.i.cache-misses 7.409e+08 ± 4% +38.9% 1.029e+09 perf-stat.i.cache-references 2206584 ± 4% -26.8% 1615046 ± 4% perf-stat.i.context-switches 858.45 +28.3% 1101 perf-stat.i.cpu-migrations 3386 ± 3% -26.9% 2474 ± 2% perf-stat.i.cycles-between-cache-misses 12.44 ± 3% -28.4% 8.90 ± 4% perf-stat.i.metric.K/sec 976089 -31.4% 669743 ± 3% perf-stat.i.page-faults 0.98 ± 3% +38.5% 1.35 ± 3% perf-stat.overall.MPKI 0.27 +0.1 0.33 perf-stat.overall.branch-miss-rate% 3378 ± 3% -27.0% 2466 ± 2% perf-stat.overall.cycles-between-cache-misses 1.156e+08 +20.1% 1.388e+08 perf-stat.ps.branch-misses 2.107e+08 ± 3% +37.8% 2.905e+08 ± 2% perf-stat.ps.cache-misses 7.112e+08 ± 4% +39.0% 9.887e+08 perf-stat.ps.cache-references 2113175 ± 4% -27.2% 1538005 ± 5% perf-stat.ps.context-switches 805.10 +29.3% 1041 perf-stat.ps.cpu-migrations 941009 -31.6% 644007 ± 4% perf-stat.ps.page-faults 57.07 ± 7% -16.5 40.62 ± 7% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.do_epoll_ctl.__x64_sys_epoll_ctl.do_syscall_64 57.42 ± 7% -16.4 40.97 ± 7% perf-profile.calltrace.cycles-pp.__mutex_lock.do_epoll_ctl.__x64_sys_epoll_ctl.do_syscall_64.entry_SYSCALL_64_after_hwframe 59.13 ± 7% -15.7 43.40 ± 7% perf-profile.calltrace.cycles-pp.do_epoll_ctl.__x64_sys_epoll_ctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.epoll_ctl 59.33 ± 7% -15.6 43.75 ± 7% perf-profile.calltrace.cycles-pp.__x64_sys_epoll_ctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.epoll_ctl 59.52 ± 7% -15.5 43.99 ± 7% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.epoll_ctl 59.56 ± 7% -15.5 44.04 ± 7% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.epoll_ctl 59.84 ± 7% -15.5 44.38 ± 7% perf-profile.calltrace.cycles-pp.epoll_ctl 6.47 ± 15% -6.5 0.00 perf-profile.calltrace.cycles-pp.unix_schedule_gc.unix_release_sock.unix_release.__sock_release.sock_close 0.61 ± 5% +0.2 0.83 ± 4% perf-profile.calltrace.cycles-pp.unix_find_bsd.unix_stream_connect.__sys_connect.__x64_sys_connect.do_syscall_64 0.36 ± 70% +0.2 0.59 ± 9% perf-profile.calltrace.cycles-pp.alloc_pages_noprof.alloc_skb_with_frags.sock_alloc_send_pskb.unix_stream_sendmsg.__sys_sendto 0.73 ± 11% +0.2 0.97 ± 9% perf-profile.calltrace.cycles-pp.sock_alloc.__sock_create.__sys_socket.__x64_sys_socket.do_syscall_64 0.92 ± 10% +0.3 1.19 ± 8% perf-profile.calltrace.cycles-pp.sock_alloc_send_pskb.unix_stream_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64 0.70 ± 3% +0.3 0.98 ± 4% perf-profile.calltrace.cycles-pp.ep_insert.do_epoll_ctl.__x64_sys_epoll_ctl.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.88 ± 10% +0.3 1.16 ± 9% perf-profile.calltrace.cycles-pp.alloc_skb_with_frags.sock_alloc_send_pskb.unix_stream_sendmsg.__sys_sendto.__x64_sys_sendto 0.65 ± 10% +0.3 0.96 ± 9% perf-profile.calltrace.cycles-pp.alloc_inode.sock_alloc.__sock_create.__sys_socket.__x64_sys_socket 0.54 ± 4% +0.3 0.85 ± 5% perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.27 ±100% +0.3 0.58 ± 8% perf-profile.calltrace.cycles-pp.alloc_pages_mpol.alloc_pages_noprof.alloc_skb_with_frags.sock_alloc_send_pskb.unix_stream_sendmsg 0.55 ± 4% +0.3 0.86 ± 5% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm 0.55 ± 4% +0.3 0.86 ± 5% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm 0.55 ± 4% +0.3 0.86 ± 5% perf-profile.calltrace.cycles-pp.ret_from_fork_asm 0.47 ± 45% +0.4 0.84 ± 3% perf-profile.calltrace.cycles-pp.sock_alloc_file.do_accept.__sys_accept4.__x64_sys_accept.do_syscall_64 0.44 ± 44% +0.4 0.82 ± 5% perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread 0.44 ± 44% +0.4 0.83 ± 5% perf-profile.calltrace.cycles-pp.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.44 ± 44% +0.4 0.83 ± 5% perf-profile.calltrace.cycles-pp.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork 0.17 ±141% +0.4 0.56 ± 9% perf-profile.calltrace.cycles-pp.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.alloc_skb_with_frags.sock_alloc_send_pskb 0.37 ± 70% +0.4 0.76 ± 3% perf-profile.calltrace.cycles-pp.alloc_file_pseudo.sock_alloc_file.do_accept.__sys_accept4.__x64_sys_accept 0.58 ± 4% +0.4 1.01 ± 6% perf-profile.calltrace.cycles-pp.skb_release_data.sk_skb_reason_drop.unix_release_sock.unix_release.__sock_release 0.34 ± 70% +0.5 0.80 ± 4% perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn 0.26 ±100% +0.5 0.74 ± 3% perf-profile.calltrace.cycles-pp.timer_delete 0.92 ± 14% +0.5 1.43 ± 9% perf-profile.calltrace.cycles-pp.unix_accept.do_accept.__sys_accept4.__x64_sys_accept.do_syscall_64 0.54 +0.5 1.08 ± 3% perf-profile.calltrace.cycles-pp.__dentry_kill.finish_dput.__fput.__x64_sys_close.do_syscall_64 0.00 +0.5 0.54 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock.unix_release_sock.unix_release.__sock_release.sock_close 0.57 +0.5 1.12 ± 2% perf-profile.calltrace.cycles-pp.finish_dput.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +0.5 0.54 ± 5% perf-profile.calltrace.cycles-pp.__x64_sys_timer_settime.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_settime 0.09 ±223% +0.6 0.64 ± 4% perf-profile.calltrace.cycles-pp.timer_settime 0.00 +0.6 0.57 ± 8% perf-profile.calltrace.cycles-pp.__schedule.schedule.__x64_sys_sched_yield.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.67 ± 2% +0.6 1.24 ± 6% perf-profile.calltrace.cycles-pp.do_timer_create.__x64_sys_timer_create.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_create 0.76 ± 3% +0.6 1.33 ± 5% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_create 0.76 ± 3% +0.6 1.33 ± 5% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.timer_create 0.00 +0.6 0.57 ± 5% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_settime 0.00 +0.6 0.58 ± 8% perf-profile.calltrace.cycles-pp.schedule.__x64_sys_sched_yield.do_syscall_64.entry_SYSCALL_64_after_hwframe.__sched_yield 0.71 ± 2% +0.6 1.29 ± 5% perf-profile.calltrace.cycles-pp.__x64_sys_timer_create.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_create 0.00 +0.6 0.58 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.timer_settime 0.82 ± 2% +0.6 1.43 ± 5% perf-profile.calltrace.cycles-pp.timer_create 0.00 +0.6 0.65 ± 3% perf-profile.calltrace.cycles-pp.__x64_sys_timer_delete.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_delete 0.00 +0.7 0.68 ± 4% perf-profile.calltrace.cycles-pp.eventpoll_release_file.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +0.7 0.69 ± 3% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_delete 0.00 +0.7 0.70 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.timer_delete 0.00 +0.7 0.70 ± 8% perf-profile.calltrace.cycles-pp.__x64_sys_sched_yield.do_syscall_64.entry_SYSCALL_64_after_hwframe.__sched_yield 0.00 +0.7 0.71 ± 17% perf-profile.calltrace.cycles-pp._copy_from_iter.copy_page_from_iter.skb_copy_datagram_from_iter.unix_stream_sendmsg.__sys_sendto 0.00 +0.8 0.75 ± 17% perf-profile.calltrace.cycles-pp.copy_page_from_iter.skb_copy_datagram_from_iter.unix_stream_sendmsg.__sys_sendto.__x64_sys_sendto 0.00 +0.8 0.78 ± 16% perf-profile.calltrace.cycles-pp.skb_copy_datagram_from_iter.unix_stream_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64 0.59 ± 8% +0.8 1.37 ± 9% perf-profile.calltrace.cycles-pp.sock_alloc.do_accept.__sys_accept4.__x64_sys_accept.do_syscall_64 0.00 +0.8 0.80 ± 5% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__sched_yield 0.00 +0.8 0.81 ± 5% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__sched_yield 0.00 +0.8 0.82 ± 12% perf-profile.calltrace.cycles-pp.inode_init_always_gfp.alloc_inode.sock_alloc.do_accept.__sys_accept4 0.49 ± 45% +0.8 1.32 ± 9% perf-profile.calltrace.cycles-pp.alloc_inode.sock_alloc.do_accept.__sys_accept4.__x64_sys_accept 0.00 +0.9 0.90 ± 4% perf-profile.calltrace.cycles-pp.__sched_yield 1.73 ± 8% +0.9 2.68 ± 10% perf-profile.calltrace.cycles-pp.unix_stream_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.79 ± 8% +0.9 2.73 ± 10% perf-profile.calltrace.cycles-pp.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.78 ± 7% +0.9 2.72 ± 10% perf-profile.calltrace.cycles-pp.__sys_sendto.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.36 ± 11% +1.6 3.95 ± 7% perf-profile.calltrace.cycles-pp.do_accept.__sys_accept4.__x64_sys_accept.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.44 ± 10% +1.7 4.09 ± 7% perf-profile.calltrace.cycles-pp.__sys_accept4.__x64_sys_accept.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.45 ± 11% +1.7 4.12 ± 7% perf-profile.calltrace.cycles-pp.__x64_sys_accept.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.46 ± 14% +2.2 5.67 ± 5% perf-profile.calltrace.cycles-pp.unix_sock_destructor.__sk_destruct.unix_release_sock.unix_release.__sock_release 2.89 ± 15% +2.4 5.25 ± 5% perf-profile.calltrace.cycles-pp.unix_sock_destructor.__sk_destruct.unix_destruct_scm.skb_release_head_state.sk_skb_reason_drop 3.72 ± 14% +2.4 6.18 ± 5% perf-profile.calltrace.cycles-pp.__sk_destruct.unix_release_sock.unix_release.__sock_release.sock_close 3.19 ± 14% +2.6 5.82 ± 5% perf-profile.calltrace.cycles-pp.__sk_destruct.unix_destruct_scm.skb_release_head_state.sk_skb_reason_drop.unix_release_sock 3.30 ± 14% +2.7 5.97 ± 5% perf-profile.calltrace.cycles-pp.skb_release_head_state.sk_skb_reason_drop.unix_release_sock.unix_release.__sock_release 3.28 ± 14% +2.7 5.96 ± 5% perf-profile.calltrace.cycles-pp.unix_destruct_scm.skb_release_head_state.sk_skb_reason_drop.unix_release_sock.unix_release 3.89 ± 12% +3.1 7.04 ± 5% perf-profile.calltrace.cycles-pp.sk_skb_reason_drop.unix_release_sock.unix_release.__sock_release.sock_close 4.80 ± 13% +4.0 8.78 ± 6% perf-profile.calltrace.cycles-pp.unix_create1.unix_stream_connect.__sys_connect.__x64_sys_connect.do_syscall_64 4.76 ± 14% +4.1 8.90 ± 5% perf-profile.calltrace.cycles-pp.unix_create1.unix_create.__sock_create.__sys_socket.__x64_sys_socket 4.95 ± 14% +4.3 9.26 ± 6% perf-profile.calltrace.cycles-pp.unix_create.__sock_create.__sys_socket.__x64_sys_socket.do_syscall_64 5.72 ± 14% +4.6 10.29 ± 6% perf-profile.calltrace.cycles-pp.__sock_create.__sys_socket.__x64_sys_socket.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.32 ± 12% +4.7 10.99 ± 6% perf-profile.calltrace.cycles-pp.unix_stream_connect.__sys_connect.__x64_sys_connect.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.42 ± 12% +4.7 11.10 ± 6% perf-profile.calltrace.cycles-pp.__x64_sys_connect.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.40 ± 12% +4.7 11.09 ± 6% perf-profile.calltrace.cycles-pp.__sys_connect.__x64_sys_connect.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.13 ± 13% +4.8 10.88 ± 6% perf-profile.calltrace.cycles-pp.__x64_sys_socket.do_syscall_64.entry_SYSCALL_64_after_hwframe.__socket 6.12 ± 13% +4.8 10.87 ± 6% perf-profile.calltrace.cycles-pp.__sys_socket.__x64_sys_socket.do_syscall_64.entry_SYSCALL_64_after_hwframe.__socket 6.17 ± 13% +4.8 10.92 ± 6% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__socket 6.17 ± 13% +4.8 10.93 ± 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__socket 6.24 ± 13% +4.8 11.01 ± 6% perf-profile.calltrace.cycles-pp.__socket 29.23 ± 11% +8.6 37.86 ± 5% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe 29.29 ± 11% +8.6 37.93 ± 5% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe 57.09 ± 7% -16.5 40.64 ± 7% perf-profile.children.cycles-pp.osq_lock 57.42 ± 7% -16.4 40.97 ± 7% perf-profile.children.cycles-pp.__mutex_lock 59.14 ± 7% -15.7 43.42 ± 7% perf-profile.children.cycles-pp.do_epoll_ctl 59.34 ± 7% -15.6 43.76 ± 7% perf-profile.children.cycles-pp.__x64_sys_epoll_ctl 60.02 ± 7% -15.4 44.60 ± 7% perf-profile.children.cycles-pp.epoll_ctl 6.49 ± 15% -6.3 0.15 ± 9% perf-profile.children.cycles-pp.unix_schedule_gc 97.30 -0.7 96.64 perf-profile.children.cycles-pp.do_syscall_64 97.40 -0.6 96.77 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 0.97 -0.2 0.82 ± 3% perf-profile.children.cycles-pp.do_epoll_wait 0.95 -0.2 0.80 ± 3% perf-profile.children.cycles-pp.ep_poll 0.37 -0.1 0.25 ± 4% perf-profile.children.cycles-pp.schedule_hrtimeout_range_clock 0.48 -0.1 0.40 ± 2% perf-profile.children.cycles-pp.__x64_sys_epoll_wait 0.54 -0.1 0.45 ± 2% perf-profile.children.cycles-pp.do_epoll_pwait 0.32 -0.1 0.25 ± 2% perf-profile.children.cycles-pp.syscall 0.28 ± 2% -0.1 0.21 ± 2% perf-profile.children.cycles-pp.exit_to_user_mode_loop 0.21 ± 2% -0.1 0.15 perf-profile.children.cycles-pp.asm_exc_page_fault 0.35 -0.1 0.30 ± 3% perf-profile.children.cycles-pp.__x64_sys_epoll_pwait 0.24 -0.1 0.19 ± 2% perf-profile.children.cycles-pp.__put_user_nocheck_4 0.18 ± 2% -0.0 0.13 ± 4% perf-profile.children.cycles-pp.ep_autoremove_wake_function 0.26 -0.0 0.21 ± 3% perf-profile.children.cycles-pp.__x64_sys_epoll_pwait2 0.14 ± 2% -0.0 0.10 ± 3% perf-profile.children.cycles-pp.__wake_up_sync 0.18 ± 2% -0.0 0.15 ± 3% perf-profile.children.cycles-pp.try_to_wake_up 0.22 ± 2% -0.0 0.19 perf-profile.children.cycles-pp.mutex_spin_on_owner 0.12 ± 4% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.__sys_recvfrom 0.12 ± 4% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.__x64_sys_recvfrom 0.10 ± 4% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.unix_stream_read_generic 0.10 ± 4% -0.0 0.07 ± 6% perf-profile.children.cycles-pp.unix_stream_recvmsg 0.11 ± 6% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.sock_recvmsg 0.10 ± 5% -0.0 0.07 ± 7% perf-profile.children.cycles-pp.switch_mm_irqs_off 0.12 ± 6% -0.0 0.09 ± 4% perf-profile.children.cycles-pp.unix_getname 0.14 ± 3% -0.0 0.11 perf-profile.children.cycles-pp.ep_loop_check_proc 0.16 ± 3% -0.0 0.13 perf-profile.children.cycles-pp.mutex_unlock 0.08 ± 6% -0.0 0.05 perf-profile.children.cycles-pp.read_tsc 0.09 ± 7% -0.0 0.07 perf-profile.children.cycles-pp._copy_to_user 0.10 ± 4% -0.0 0.08 perf-profile.children.cycles-pp.ttwu_do_activate 0.11 ± 12% -0.0 0.09 ± 10% perf-profile.children.cycles-pp.ktime_get 0.10 ± 4% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.try_to_block_task 0.10 ± 5% -0.0 0.08 ± 6% perf-profile.children.cycles-pp.exc_page_fault 0.10 ± 3% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.dequeue_task_fair 0.08 ± 6% -0.0 0.06 perf-profile.children.cycles-pp.enqueue_task 0.09 -0.0 0.08 ± 6% perf-profile.children.cycles-pp.dequeue_entities 0.08 ± 6% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.task_work_run 0.07 -0.0 0.06 perf-profile.children.cycles-pp.enqueue_task_fair 0.06 -0.0 0.05 perf-profile.children.cycles-pp.enqueue_entity 0.07 ± 10% +0.0 0.09 ± 7% perf-profile.children.cycles-pp.xa_load 0.05 +0.0 0.07 perf-profile.children.cycles-pp._raw_spin_trylock 0.04 ± 44% +0.0 0.06 ± 6% perf-profile.children.cycles-pp.__hrtimer_setup 0.09 ± 5% +0.0 0.11 ± 6% perf-profile.children.cycles-pp.move_addr_to_user 0.06 ± 9% +0.0 0.08 ± 5% perf-profile.children.cycles-pp.perf_trace_sched_stat_runtime 0.06 ± 7% +0.0 0.09 ± 5% perf-profile.children.cycles-pp.put_pid 0.15 ± 8% +0.0 0.17 ± 3% perf-profile.children.cycles-pp.link_path_walk 0.12 ± 3% +0.0 0.14 ± 3% perf-profile.children.cycles-pp.syscall_return_via_sysret 0.06 ± 7% +0.0 0.09 perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore 0.07 ± 11% +0.0 0.10 ± 6% perf-profile.children.cycles-pp.try_charge_memcg 0.03 ± 70% +0.0 0.06 ± 6% perf-profile.children.cycles-pp.inode_permission 0.05 ± 7% +0.0 0.08 perf-profile.children.cycles-pp.lockref_put_return 0.34 +0.0 0.37 perf-profile.children.cycles-pp.arch_exit_to_user_mode_prepare 0.05 +0.0 0.08 ± 7% perf-profile.children.cycles-pp.add_wait_queue 0.13 +0.0 0.16 perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack 0.07 ± 18% +0.0 0.10 ± 7% perf-profile.children.cycles-pp.switch_hrtimer_base 0.06 ± 11% +0.0 0.10 ± 6% perf-profile.children.cycles-pp.complete_walk 0.03 ± 70% +0.0 0.07 perf-profile.children.cycles-pp.down_write 0.09 ± 14% +0.0 0.13 ± 10% perf-profile.children.cycles-pp.__local_bh_enable_ip 0.07 ± 12% +0.0 0.11 ± 5% perf-profile.children.cycles-pp.common_hrtimer_arm 0.02 ± 99% +0.0 0.06 ± 7% perf-profile.children.cycles-pp.rcu_segcblist_enqueue 0.07 ± 5% +0.0 0.11 ± 3% perf-profile.children.cycles-pp.iput 0.08 ± 6% +0.0 0.12 ± 6% perf-profile.children.cycles-pp.i_callback 0.10 ± 3% +0.0 0.14 ± 7% perf-profile.children.cycles-pp.__pi_memset 0.11 ± 17% +0.0 0.15 ± 14% perf-profile.children.cycles-pp.memcg_list_lru_alloc 0.05 +0.0 0.10 ± 8% perf-profile.children.cycles-pp.barn_replace_full_sheaf 0.18 ± 12% +0.0 0.22 ± 3% perf-profile.children.cycles-pp.hrtimer_start_range_ns 0.12 ± 3% +0.0 0.17 ± 2% perf-profile.children.cycles-pp.__call_rcu_common 0.10 ± 4% +0.0 0.14 ± 10% perf-profile.children.cycles-pp.skb_set_owner_w 0.04 ± 44% +0.0 0.09 perf-profile.children.cycles-pp.fsnotify_grab_connector 0.00 +0.1 0.05 perf-profile.children.cycles-pp.__d_lookup_rcu 0.00 +0.1 0.05 perf-profile.children.cycles-pp.do_getname_kernel 0.00 +0.1 0.05 perf-profile.children.cycles-pp.fput 0.00 +0.1 0.05 perf-profile.children.cycles-pp.percpu_counter_add_batch 0.00 +0.1 0.05 perf-profile.children.cycles-pp.remove_wait_queue 0.00 +0.1 0.05 perf-profile.children.cycles-pp.truncate_inode_pages_final 0.09 ± 24% +0.1 0.14 ± 12% perf-profile.children.cycles-pp.mod_memcg_lruvec_state 0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp.refill_stock 0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp.skb_free_datagram 0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp.try_to_unlazy 0.12 ± 3% +0.1 0.17 ± 4% perf-profile.children.cycles-pp.d_instantiate 0.00 +0.1 0.05 ± 8% perf-profile.children.cycles-pp.get_nohz_timer_target 0.05 +0.1 0.11 ± 11% perf-profile.children.cycles-pp.raw_spin_rq_lock_nested 0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.update_curr_dl_se 0.09 ± 4% +0.1 0.14 ± 5% perf-profile.children.cycles-pp.barn_replace_empty_sheaf 0.07 ± 5% +0.1 0.13 ± 16% perf-profile.children.cycles-pp.cgroup_sk_alloc 0.00 +0.1 0.06 ± 7% perf-profile.children.cycles-pp.clear_inode 0.00 +0.1 0.06 ± 11% perf-profile.children.cycles-pp.skb_queue_purge_reason 0.05 +0.1 0.12 ± 4% perf-profile.children.cycles-pp.common_timer_del 0.06 ± 8% +0.1 0.12 ± 12% perf-profile.children.cycles-pp.lock_timer 0.00 +0.1 0.06 ± 7% perf-profile.children.cycles-pp.path_put 0.08 ± 6% +0.1 0.14 ± 2% perf-profile.children.cycles-pp.kvfree_call_rcu 0.12 ± 3% +0.1 0.19 ± 4% perf-profile.children.cycles-pp.rcu_cblist_dequeue 0.13 +0.1 0.20 ± 3% perf-profile.children.cycles-pp.ep_ptable_queue_proc 0.10 ± 6% +0.1 0.17 ± 4% perf-profile.children.cycles-pp.posix_timer_delete 0.00 +0.1 0.07 ± 10% perf-profile.children.cycles-pp.__free_one_page 0.00 +0.1 0.07 ± 5% perf-profile.children.cycles-pp._raw_spin_unlock_irq 0.12 ± 3% +0.1 0.19 ± 7% perf-profile.children.cycles-pp._raw_spin_lock_irq 0.00 +0.1 0.07 ± 8% perf-profile.children.cycles-pp.filp_flush 0.28 ± 2% +0.1 0.35 perf-profile.children.cycles-pp.ep_poll_callback 0.11 ± 4% +0.1 0.18 ± 4% perf-profile.children.cycles-pp._raw_spin_unlock 0.10 ± 3% +0.1 0.17 perf-profile.children.cycles-pp.dput 0.01 ±223% +0.1 0.08 ± 10% perf-profile.children.cycles-pp.rmqueue_bulk 0.06 ± 7% +0.1 0.14 ± 15% perf-profile.children.cycles-pp.file_close_fd 0.12 ± 4% +0.1 0.19 ± 2% perf-profile.children.cycles-pp.skb_dequeue 0.08 ± 6% +0.1 0.15 ± 13% perf-profile.children.cycles-pp.__rmqueue_pcplist 0.11 ± 8% +0.1 0.19 ± 8% perf-profile.children.cycles-pp.init_file 0.16 ± 8% +0.1 0.24 ± 8% perf-profile.children.cycles-pp.__rcu_free_sheaf_prepare 0.21 ± 2% +0.1 0.29 ± 7% perf-profile.children.cycles-pp.mutex_lock 0.29 ± 8% +0.1 0.37 ± 3% perf-profile.children.cycles-pp.filename_lookup 0.24 ± 6% +0.1 0.32 ± 4% perf-profile.children.cycles-pp.__d_alloc 0.02 ±141% +0.1 0.10 ± 16% perf-profile.children.cycles-pp.do_softirq 0.28 ± 8% +0.1 0.36 ± 3% perf-profile.children.cycles-pp.path_lookupat 0.05 +0.1 0.13 ± 2% perf-profile.children.cycles-pp.fsnotify_destroy_marks 0.13 +0.1 0.22 ± 4% perf-profile.children.cycles-pp.kfree 0.00 +0.1 0.08 ± 11% perf-profile.children.cycles-pp.cpuacct_charge 0.05 +0.1 0.14 ± 9% perf-profile.children.cycles-pp.rb_erase 0.12 ± 3% +0.1 0.21 ± 3% perf-profile.children.cycles-pp.dec_rlimit_put_ucounts 0.24 ± 6% +0.1 0.33 ± 4% perf-profile.children.cycles-pp.d_alloc_pseudo 0.16 ± 6% +0.1 0.24 ± 7% perf-profile.children.cycles-pp.update_se 0.00 +0.1 0.09 ± 4% perf-profile.children.cycles-pp.__kfree_rcu_sheaf 0.33 +0.1 0.42 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.27 ± 2% +0.1 0.36 ± 6% perf-profile.children.cycles-pp._copy_from_user 0.49 ± 13% +0.1 0.59 ± 9% perf-profile.children.cycles-pp.alloc_pages_mpol 0.12 ± 9% +0.1 0.21 ± 17% perf-profile.children.cycles-pp.__init_rwsem 0.50 ± 13% +0.1 0.59 ± 8% perf-profile.children.cycles-pp.alloc_pages_noprof 0.34 ± 6% +0.1 0.44 ± 3% perf-profile.children.cycles-pp.kern_path 0.07 ± 13% +0.1 0.17 ± 21% perf-profile.children.cycles-pp.free_pcppages_bulk 0.18 ± 2% +0.1 0.28 ± 3% perf-profile.children.cycles-pp.unix_poll 0.13 ± 10% +0.1 0.23 ± 10% perf-profile.children.cycles-pp.__slab_free 0.46 ± 12% +0.1 0.56 ± 9% perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof 0.04 ± 44% +0.1 0.14 ± 11% perf-profile.children.cycles-pp.update_rq_clock 0.52 ± 6% +0.1 0.63 ± 9% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.24 ± 14% +0.1 0.34 ± 4% perf-profile.children.cycles-pp.common_timer_set 0.03 ± 70% +0.1 0.14 ± 11% perf-profile.children.cycles-pp.sched_clock_cpu 0.20 ± 7% +0.1 0.31 ± 8% perf-profile.children.cycles-pp.rcu_free_sheaf 0.09 ± 10% +0.1 0.20 ± 18% perf-profile.children.cycles-pp.free_frozen_page_commit 0.00 +0.1 0.11 ± 12% perf-profile.children.cycles-pp.__skb_try_recv_from_queue 0.00 +0.1 0.11 ± 11% perf-profile.children.cycles-pp.setfl 0.17 ± 2% +0.1 0.28 ± 8% perf-profile.children.cycles-pp.alloc_fd 0.26 ± 9% +0.1 0.37 ± 11% perf-profile.children.cycles-pp.get_page_from_freelist 0.50 +0.1 0.60 perf-profile.children.cycles-pp.entry_SYSCALL_64 0.21 ± 4% +0.1 0.32 ± 6% perf-profile.children.cycles-pp.kmem_cache_alloc_node_noprof 0.19 ± 4% +0.1 0.30 ± 3% perf-profile.children.cycles-pp.__wake_up 0.28 ± 10% +0.1 0.39 ± 14% perf-profile.children.cycles-pp.__irq_exit_rcu 0.15 ± 10% +0.1 0.26 ± 15% perf-profile.children.cycles-pp.__free_frozen_pages 0.13 +0.1 0.25 ± 2% perf-profile.children.cycles-pp.evict 0.00 +0.1 0.12 ± 5% perf-profile.children.cycles-pp.unix_dgram_peer_wake_disconnect 0.11 ± 7% +0.1 0.23 ± 12% perf-profile.children.cycles-pp.sheaf_flush_unused 0.17 ± 10% +0.1 0.29 ± 13% perf-profile.children.cycles-pp.__kmalloc_node_track_caller_noprof 0.00 +0.1 0.12 ± 8% perf-profile.children.cycles-pp.do_sched_yield 0.31 ± 3% +0.1 0.44 ± 2% perf-profile.children.cycles-pp.sock_def_readable 0.09 ± 4% +0.1 0.22 ± 23% perf-profile.children.cycles-pp.sock_init_data 0.17 +0.1 0.30 ± 2% perf-profile.children.cycles-pp.posix_timer_unhash_and_free 0.26 ± 3% +0.1 0.39 ± 2% perf-profile.children.cycles-pp.__wake_up_sync_key 0.15 ± 24% +0.1 0.28 ± 27% perf-profile.children.cycles-pp.handle_internal_command 0.15 ± 24% +0.1 0.28 ± 27% perf-profile.children.cycles-pp.main 0.15 ± 24% +0.1 0.28 ± 27% perf-profile.children.cycles-pp.run_builtin 0.00 +0.1 0.13 ± 12% perf-profile.children.cycles-pp.native_sched_clock 0.14 ± 25% +0.1 0.27 ± 28% perf-profile.children.cycles-pp.record__mmap_read_evlist 0.13 ± 25% +0.1 0.26 ± 30% perf-profile.children.cycles-pp.perf_mmap__push 0.08 ± 10% +0.1 0.21 ± 9% perf-profile.children.cycles-pp.unix_write_space 0.00 +0.1 0.13 ± 11% perf-profile.children.cycles-pp.sched_clock 0.12 ± 5% +0.1 0.26 ± 11% perf-profile.children.cycles-pp.rmqueue 0.23 ± 4% +0.1 0.37 ± 4% perf-profile.children.cycles-pp.sock_poll 0.28 ± 12% +0.1 0.42 ± 6% perf-profile.children.cycles-pp.do_timer_settime 0.27 ± 10% +0.1 0.41 ± 7% perf-profile.children.cycles-pp.sock_wfree 0.15 ± 7% +0.1 0.29 ± 14% perf-profile.children.cycles-pp.__kmem_cache_free_bulk 0.06 ± 11% +0.1 0.21 ± 14% perf-profile.children.cycles-pp.do_fcntl 0.24 ± 5% +0.1 0.39 ± 5% perf-profile.children.cycles-pp.alloc_empty_file 0.33 ± 3% +0.1 0.48 ± 4% perf-profile.children.cycles-pp.ep_item_poll 0.20 ± 5% +0.2 0.35 ± 6% perf-profile.children.cycles-pp.update_curr 0.60 ± 7% +0.2 0.75 ± 10% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.40 ± 12% +0.2 0.55 ± 5% perf-profile.children.cycles-pp.__x64_sys_timer_settime 0.32 ± 3% +0.2 0.48 ± 3% perf-profile.children.cycles-pp.__wake_up_common 0.14 ± 8% +0.2 0.30 ± 7% perf-profile.children.cycles-pp.pick_task_fair 0.16 ± 3% +0.2 0.33 ± 8% perf-profile.children.cycles-pp.inc_rlimit_get_ucounts 0.19 +0.2 0.35 ± 5% perf-profile.children.cycles-pp.posix_timer_add_at 0.07 ± 17% +0.2 0.24 ± 37% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 0.26 ± 4% +0.2 0.43 ± 6% perf-profile.children.cycles-pp.__pick_next_task 0.24 ± 3% +0.2 0.42 ± 6% perf-profile.children.cycles-pp.pick_next_task_fair 0.32 ± 5% +0.2 0.49 ± 5% perf-profile.children.cycles-pp.sk_prot_alloc 0.10 ± 10% +0.2 0.27 ± 12% perf-profile.children.cycles-pp.__x64_sys_fcntl 0.19 ± 5% +0.2 0.37 ± 10% perf-profile.children.cycles-pp.__pcs_replace_full_main 0.16 ± 8% +0.2 0.34 ± 18% perf-profile.children.cycles-pp.sock_init_data_uid 0.30 ± 3% +0.2 0.49 ± 7% perf-profile.children.cycles-pp.sock_wmalloc 0.19 ± 9% +0.2 0.38 ± 5% perf-profile.children.cycles-pp.x64_sys_call 0.32 ± 7% +0.2 0.51 ± 10% perf-profile.children.cycles-pp.kmalloc_reserve 0.48 ± 10% +0.2 0.67 ± 4% perf-profile.children.cycles-pp.timer_settime 0.72 ± 2% +0.2 0.92 ± 4% perf-profile.children.cycles-pp.__schedule 0.73 ± 2% +0.2 0.93 ± 4% perf-profile.children.cycles-pp.schedule 0.14 ± 2% +0.2 0.34 ± 4% perf-profile.children.cycles-pp.__destroy_inode 0.31 ± 4% +0.2 0.51 ± 7% perf-profile.children.cycles-pp.__refill_objects_node 0.24 ± 5% +0.2 0.45 ± 8% perf-profile.children.cycles-pp.page_counter_uncharge 0.17 +0.2 0.38 ± 7% perf-profile.children.cycles-pp.sig_get_ucounts 0.14 ± 3% +0.2 0.36 ± 2% perf-profile.children.cycles-pp.destroy_inode 0.33 ± 5% +0.2 0.54 ± 8% perf-profile.children.cycles-pp.refill_objects 0.62 ± 6% +0.2 0.84 ± 4% perf-profile.children.cycles-pp.unix_find_bsd 0.18 ± 2% +0.2 0.40 ± 7% perf-profile.children.cycles-pp.posixtimer_init_sigqueue 0.32 ± 9% +0.2 0.56 ± 14% perf-profile.children.cycles-pp.__account_obj_stock 0.53 ± 9% +0.2 0.76 ± 8% perf-profile.children.cycles-pp.obj_cgroup_charge_account 0.10 ± 6% +0.2 0.34 ± 15% perf-profile.children.cycles-pp.map_id_range_down 0.30 ± 6% +0.2 0.54 ± 6% perf-profile.children.cycles-pp.__mem_cgroup_uncharge 0.35 +0.2 0.60 ± 4% perf-profile.children.cycles-pp.__ep_remove 0.30 ± 7% +0.2 0.54 ± 6% perf-profile.children.cycles-pp.__folio_put 0.40 ± 7% +0.2 0.64 ± 9% perf-profile.children.cycles-pp.refill_obj_stock 0.17 ± 13% +0.2 0.42 ± 19% perf-profile.children.cycles-pp.evm_inode_alloc_security 0.52 ± 5% +0.3 0.78 ± 2% perf-profile.children.cycles-pp.timer_delete 0.04 ± 71% +0.3 0.30 ± 11% perf-profile.children.cycles-pp.__skb_recv_datagram 0.00 +0.3 0.27 ± 11% perf-profile.children.cycles-pp.__skb_try_recv_datagram 0.12 ± 6% +0.3 0.39 ± 15% perf-profile.children.cycles-pp.make_kuid 0.92 ± 10% +0.3 1.19 ± 9% perf-profile.children.cycles-pp.sock_alloc_send_pskb 0.31 ± 37% +0.3 0.59 ± 14% perf-profile.children.cycles-pp.get_max_files 0.43 ± 3% +0.3 0.71 ± 9% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 0.71 ± 3% +0.3 0.99 ± 4% perf-profile.children.cycles-pp.ep_insert 0.06 ± 8% +0.3 0.34 ± 11% perf-profile.children.cycles-pp.skb_recv_datagram 0.88 ± 10% +0.3 1.16 ± 9% perf-profile.children.cycles-pp.alloc_skb_with_frags 0.43 ± 4% +0.3 0.72 ± 7% perf-profile.children.cycles-pp.__pcs_replace_empty_main 0.53 ± 3% +0.3 0.83 ± 5% perf-profile.children.cycles-pp.run_ksoftirqd 0.54 ± 4% +0.3 0.85 ± 5% perf-profile.children.cycles-pp.smpboot_thread_fn 0.34 ± 3% +0.3 0.65 ± 3% perf-profile.children.cycles-pp.__x64_sys_timer_delete 0.55 ± 4% +0.3 0.86 ± 5% perf-profile.children.cycles-pp.kthread 0.55 ± 4% +0.3 0.86 ± 5% perf-profile.children.cycles-pp.ret_from_fork 0.55 ± 4% +0.3 0.86 ± 5% perf-profile.children.cycles-pp.ret_from_fork_asm 0.51 ± 5% +0.3 0.83 ± 6% perf-profile.children.cycles-pp.sk_alloc 0.76 ± 7% +0.3 1.08 ± 3% perf-profile.children.cycles-pp.alloc_file_pseudo 0.36 +0.3 0.69 ± 4% perf-profile.children.cycles-pp.eventpoll_release_file 0.59 ± 6% +0.3 0.92 ± 8% perf-profile.children.cycles-pp.__alloc_skb 0.58 ± 11% +0.4 0.94 ± 6% perf-profile.children.cycles-pp.sock_alloc_inode 0.79 ± 7% +0.4 1.16 ± 2% perf-profile.children.cycles-pp.sock_alloc_file 0.34 ± 9% +0.4 0.71 ± 13% perf-profile.children.cycles-pp.security_inode_alloc 0.75 ± 9% +0.4 1.12 ± 6% perf-profile.children.cycles-pp.kmem_cache_alloc_lru_noprof 0.33 ± 8% +0.4 0.71 ± 17% perf-profile.children.cycles-pp._copy_from_iter 0.73 ± 5% +0.4 1.13 ± 6% perf-profile.children.cycles-pp.skb_release_data 0.30 ± 4% +0.4 0.70 ± 8% perf-profile.children.cycles-pp.__x64_sys_sched_yield 0.34 ± 7% +0.4 0.75 ± 17% perf-profile.children.cycles-pp.copy_page_from_iter 0.35 ± 6% +0.4 0.79 ± 16% perf-profile.children.cycles-pp.skb_copy_datagram_from_iter 0.78 ± 6% +0.5 1.24 ± 7% perf-profile.children.cycles-pp.rcu_do_batch 0.81 ± 6% +0.5 1.27 ± 7% perf-profile.children.cycles-pp.rcu_core 0.84 ± 6% +0.5 1.31 ± 7% perf-profile.children.cycles-pp.handle_softirqs 0.43 ± 2% +0.5 0.94 ± 4% perf-profile.children.cycles-pp.__sched_yield 0.94 ± 14% +0.5 1.45 ± 9% perf-profile.children.cycles-pp.unix_accept 0.97 ± 3% +0.5 1.48 ± 5% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 0.59 +0.5 1.12 ± 2% perf-profile.children.cycles-pp.__dentry_kill 0.62 +0.5 1.16 ± 2% perf-profile.children.cycles-pp.finish_dput 1.02 ± 7% +0.6 1.58 ± 8% perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.68 ± 2% +0.6 1.25 ± 6% perf-profile.children.cycles-pp.do_timer_create 1.15 ± 8% +0.6 1.72 ± 7% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 0.71 ± 2% +0.6 1.29 ± 5% perf-profile.children.cycles-pp.__x64_sys_timer_create 0.85 ± 2% +0.6 1.46 ± 5% perf-profile.children.cycles-pp.timer_create 0.62 ± 8% +0.7 1.33 ± 12% perf-profile.children.cycles-pp.inode_init_always_gfp 1.33 ± 6% +0.8 2.08 ± 8% perf-profile.children.cycles-pp.kmem_cache_free 1.79 ± 7% +0.9 2.73 ± 10% perf-profile.children.cycles-pp.__x64_sys_sendto 1.74 ± 8% +0.9 2.68 ± 10% perf-profile.children.cycles-pp.unix_stream_sendmsg 1.78 ± 8% +1.0 2.73 ± 10% perf-profile.children.cycles-pp.__sys_sendto 1.32 ± 10% +1.0 2.35 ± 9% perf-profile.children.cycles-pp.sock_alloc 1.22 ± 9% +1.1 2.28 ± 9% perf-profile.children.cycles-pp.alloc_inode 1.89 ± 2% +1.1 2.95 ± 6% perf-profile.children.cycles-pp._raw_spin_lock 2.36 ± 11% +1.6 3.96 ± 7% perf-profile.children.cycles-pp.do_accept 2.44 ± 10% +1.7 4.10 ± 7% perf-profile.children.cycles-pp.__sys_accept4 2.45 ± 11% +1.7 4.12 ± 7% perf-profile.children.cycles-pp.__x64_sys_accept 3.30 ± 14% +2.7 5.97 ± 5% perf-profile.children.cycles-pp.unix_destruct_scm 3.55 ± 14% +2.8 6.34 ± 5% perf-profile.children.cycles-pp.skb_release_head_state 3.89 ± 12% +3.2 7.04 ± 5% perf-profile.children.cycles-pp.sk_skb_reason_drop 4.96 ± 14% +4.3 9.27 ± 6% perf-profile.children.cycles-pp.unix_create 5.73 ± 14% +4.6 10.30 ± 6% perf-profile.children.cycles-pp.__sock_create 6.36 ± 14% +4.6 10.95 ± 5% perf-profile.children.cycles-pp.unix_sock_destructor 6.32 ± 12% +4.7 11.00 ± 6% perf-profile.children.cycles-pp.unix_stream_connect 6.42 ± 12% +4.7 11.10 ± 6% perf-profile.children.cycles-pp.__x64_sys_connect 6.40 ± 12% +4.7 11.10 ± 6% perf-profile.children.cycles-pp.__sys_connect 6.13 ± 13% +4.8 10.88 ± 6% perf-profile.children.cycles-pp.__x64_sys_socket 6.12 ± 13% +4.8 10.88 ± 6% perf-profile.children.cycles-pp.__sys_socket 6.27 ± 13% +4.8 11.05 ± 6% perf-profile.children.cycles-pp.__socket 6.93 ± 14% +5.1 12.01 ± 5% perf-profile.children.cycles-pp.__sk_destruct 9.90 ± 14% +8.4 18.31 ± 6% perf-profile.children.cycles-pp.unix_create1 56.82 ± 7% -16.4 40.42 ± 7% perf-profile.self.cycles-pp.osq_lock 6.44 ± 15% -6.3 0.15 ± 11% perf-profile.self.cycles-pp.unix_schedule_gc 0.36 ± 6% -0.0 0.32 perf-profile.self.cycles-pp.do_syscall_64 0.22 ± 2% -0.0 0.19 perf-profile.self.cycles-pp.mutex_spin_on_owner 0.11 ± 7% -0.0 0.08 ± 4% perf-profile.self.cycles-pp.unix_getname 0.09 ± 4% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.switch_mm_irqs_off 0.13 -0.0 0.10 perf-profile.self.cycles-pp.__put_user_nocheck_4 0.07 -0.0 0.04 ± 44% perf-profile.self.cycles-pp.read_tsc 0.15 -0.0 0.12 ± 3% perf-profile.self.cycles-pp.mutex_unlock 0.09 ± 7% -0.0 0.07 perf-profile.self.cycles-pp._copy_to_user 0.05 +0.0 0.06 perf-profile.self.cycles-pp._raw_spin_unlock_irqrestore 0.09 +0.0 0.10 ± 4% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack 0.04 ± 44% +0.0 0.06 perf-profile.self.cycles-pp.__hrtimer_setup 0.04 ± 44% +0.0 0.06 perf-profile.self.cycles-pp.ep_item_poll 0.06 ± 8% +0.0 0.08 ± 6% perf-profile.self.cycles-pp.try_charge_memcg 0.05 +0.0 0.07 perf-profile.self.cycles-pp._raw_spin_trylock 0.06 ± 6% +0.0 0.08 ± 4% perf-profile.self.cycles-pp.put_pid 0.07 ± 5% +0.0 0.09 ± 4% perf-profile.self.cycles-pp.kmem_cache_alloc_node_noprof 0.11 +0.0 0.13 ± 2% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.08 ± 6% +0.0 0.10 perf-profile.self.cycles-pp.__call_rcu_common 0.08 ± 6% +0.0 0.10 perf-profile.self.cycles-pp.__pi_memset 0.03 ± 70% +0.0 0.06 perf-profile.self.cycles-pp._raw_write_lock_bh 0.05 +0.0 0.08 ± 6% perf-profile.self.cycles-pp.lockref_put_return 0.11 ± 3% +0.0 0.14 perf-profile.self.cycles-pp.syscall_return_via_sysret 0.05 ± 8% +0.0 0.08 ± 8% perf-profile.self.cycles-pp.sock_poll 0.08 ± 22% +0.0 0.11 ± 8% perf-profile.self.cycles-pp.file_init_path 0.06 +0.0 0.09 ± 6% perf-profile.self.cycles-pp.unix_poll 0.14 ± 13% +0.0 0.18 ± 6% perf-profile.self.cycles-pp.ep_insert 0.03 ± 70% +0.0 0.07 ± 5% perf-profile.self.cycles-pp.down_write 0.08 ± 6% +0.0 0.11 ± 4% perf-profile.self.cycles-pp._raw_spin_unlock 0.18 ± 2% +0.0 0.22 ± 2% perf-profile.self.cycles-pp.entry_SYSCALL_64 0.09 +0.0 0.13 ± 3% perf-profile.self.cycles-pp.__alloc_skb 0.07 ± 6% +0.0 0.11 ± 6% perf-profile.self.cycles-pp.__slab_free 0.07 ± 6% +0.0 0.11 ± 4% perf-profile.self.cycles-pp.i_callback 0.07 +0.0 0.11 ± 5% perf-profile.self.cycles-pp.__mutex_lock 0.03 ± 70% +0.0 0.08 ± 6% perf-profile.self.cycles-pp.kfree 0.06 ± 7% +0.0 0.11 ± 6% perf-profile.self.cycles-pp.barn_replace_empty_sheaf 0.10 ± 4% +0.0 0.14 ± 10% perf-profile.self.cycles-pp.skb_set_owner_w 0.02 ± 99% +0.0 0.07 perf-profile.self.cycles-pp.hrtimer_start_range_ns 0.02 ±141% +0.0 0.06 ± 6% perf-profile.self.cycles-pp.rcu_segcblist_enqueue 0.22 +0.0 0.27 perf-profile.self.cycles-pp.epoll_ctl 0.06 ± 13% +0.0 0.10 ± 3% perf-profile.self.cycles-pp.skb_dequeue 0.26 +0.0 0.31 perf-profile.self.cycles-pp.arch_exit_to_user_mode_prepare 0.09 ± 4% +0.1 0.14 ± 7% perf-profile.self.cycles-pp.kmalloc_reserve 0.00 +0.1 0.05 perf-profile.self.cycles-pp.__d_lookup_rcu 0.00 +0.1 0.05 perf-profile.self.cycles-pp.__x64_sys_fcntl 0.00 +0.1 0.05 perf-profile.self.cycles-pp.evict 0.00 +0.1 0.05 perf-profile.self.cycles-pp.timer_create 0.00 +0.1 0.05 perf-profile.self.cycles-pp.timer_settime 0.00 +0.1 0.05 perf-profile.self.cycles-pp.truncate_inode_pages_final 0.07 +0.1 0.12 ± 3% perf-profile.self.cycles-pp.init_file 0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.__kmem_cache_free_bulk 0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.ep_send_events 0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.get_nohz_timer_target 0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.skb_free_datagram 0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.update_curr_dl_se 0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.update_se 0.00 +0.1 0.05 ± 8% perf-profile.self.cycles-pp.__destroy_inode 0.00 +0.1 0.06 ± 8% perf-profile.self.cycles-pp.iput 0.22 ± 11% +0.1 0.28 ± 2% perf-profile.self.cycles-pp.obj_cgroup_charge_account 0.00 +0.1 0.06 ± 13% perf-profile.self.cycles-pp.sig_get_ucounts 0.07 +0.1 0.13 ± 13% perf-profile.self.cycles-pp.cgroup_sk_alloc 0.00 +0.1 0.06 ± 11% perf-profile.self.cycles-pp.sk_skb_reason_drop 0.07 ± 6% +0.1 0.13 ± 17% perf-profile.self.cycles-pp.sk_alloc 0.00 +0.1 0.06 perf-profile.self.cycles-pp.__ep_remove 0.07 ± 6% +0.1 0.14 ± 5% perf-profile.self.cycles-pp.do_timer_create 0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.__free_one_page 0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.rmqueue 0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.setfl 0.00 +0.1 0.06 ± 7% perf-profile.self.cycles-pp.dput 0.00 +0.1 0.06 ± 11% perf-profile.self.cycles-pp.skb_queue_purge_reason 0.00 +0.1 0.06 ± 7% perf-profile.self.cycles-pp.move_addr_to_user 0.00 +0.1 0.07 ± 7% perf-profile.self.cycles-pp.sock_alloc_file 0.00 +0.1 0.07 ± 11% perf-profile.self.cycles-pp.unix_create 0.12 ± 4% +0.1 0.18 ± 8% perf-profile.self.cycles-pp._raw_spin_lock_irq 0.00 +0.1 0.07 ± 15% perf-profile.self.cycles-pp.__rmqueue_pcplist 0.06 ± 7% +0.1 0.13 ± 3% perf-profile.self.cycles-pp.__fput 0.12 ± 4% +0.1 0.19 ± 4% perf-profile.self.cycles-pp.rcu_cblist_dequeue 0.00 +0.1 0.07 ± 5% perf-profile.self.cycles-pp.barn_replace_full_sheaf 0.21 ± 2% +0.1 0.28 ± 7% perf-profile.self.cycles-pp.mutex_lock 0.00 +0.1 0.08 ± 6% perf-profile.self.cycles-pp.unix_dgram_peer_wake_disconnect 0.00 +0.1 0.08 ± 4% perf-profile.self.cycles-pp.__kfree_rcu_sheaf 0.00 +0.1 0.08 ± 5% perf-profile.self.cycles-pp.__wake_up 0.00 +0.1 0.08 ± 11% perf-profile.self.cycles-pp.cpuacct_charge 0.18 ± 5% +0.1 0.26 ± 2% perf-profile.self.cycles-pp.refill_obj_stock 0.10 ± 9% +0.1 0.18 ± 9% perf-profile.self.cycles-pp.kmem_cache_alloc_lru_noprof 0.12 +0.1 0.21 ± 3% perf-profile.self.cycles-pp.dec_rlimit_put_ucounts 0.32 +0.1 0.42 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.03 ± 70% +0.1 0.12 ± 7% perf-profile.self.cycles-pp.__wake_up_common 0.12 ± 9% +0.1 0.21 ± 10% perf-profile.self.cycles-pp.inode_init_always_gfp 0.00 +0.1 0.09 ± 11% perf-profile.self.cycles-pp.posix_timer_add_at 0.26 ± 2% +0.1 0.35 ± 6% perf-profile.self.cycles-pp._copy_from_user 0.00 +0.1 0.10 ± 19% perf-profile.self.cycles-pp.unix_find_bsd 0.00 +0.1 0.10 ± 4% perf-profile.self.cycles-pp.__x64_sys_epoll_ctl 0.11 ± 7% +0.1 0.21 ± 18% perf-profile.self.cycles-pp.__init_rwsem 0.00 +0.1 0.10 ± 20% perf-profile.self.cycles-pp.do_fcntl 0.03 ± 70% +0.1 0.13 ± 7% perf-profile.self.cycles-pp.rb_erase 0.00 +0.1 0.11 ± 12% perf-profile.self.cycles-pp.__skb_try_recv_from_queue 0.32 ± 4% +0.1 0.43 ± 6% perf-profile.self.cycles-pp.kmem_cache_free 0.06 ± 11% +0.1 0.17 ± 5% perf-profile.self.cycles-pp.ep_poll_callback 0.07 ± 7% +0.1 0.18 ± 21% perf-profile.self.cycles-pp.make_kuid 0.25 ± 3% +0.1 0.36 ± 5% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.00 +0.1 0.12 ± 16% perf-profile.self.cycles-pp.__skb_try_recv_datagram 0.08 ± 10% +0.1 0.20 ± 10% perf-profile.self.cycles-pp.unix_write_space 0.00 +0.1 0.13 ± 14% perf-profile.self.cycles-pp.native_sched_clock 0.16 ± 3% +0.2 0.32 ± 7% perf-profile.self.cycles-pp.inc_rlimit_get_ucounts 0.36 +0.2 0.52 ± 4% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.07 ± 17% +0.2 0.24 ± 37% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 0.06 ± 13% +0.2 0.22 ± 11% perf-profile.self.cycles-pp.map_id_range_down 0.21 ± 9% +0.2 0.38 ± 17% perf-profile.self.cycles-pp.__account_obj_stock 0.14 ± 8% +0.2 0.32 ± 18% perf-profile.self.cycles-pp.sock_init_data_uid 0.29 ± 4% +0.2 0.47 ± 7% perf-profile.self.cycles-pp.__refill_objects_node 0.17 ± 10% +0.2 0.36 ± 5% perf-profile.self.cycles-pp.x64_sys_call 0.22 ± 5% +0.2 0.41 ± 8% perf-profile.self.cycles-pp.page_counter_uncharge 0.16 ± 13% +0.2 0.40 ± 18% perf-profile.self.cycles-pp.evm_inode_alloc_security 0.22 ± 19% +0.3 0.48 ± 5% perf-profile.self.cycles-pp.__sk_destruct 0.38 ± 2% +0.3 0.67 ± 4% perf-profile.self.cycles-pp.unix_release_sock 0.52 ± 5% +0.3 0.81 ± 5% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook 0.66 ± 8% +0.3 1.00 ± 8% perf-profile.self.cycles-pp.__memcg_slab_free_hook 0.33 ± 7% +0.4 0.71 ± 18% perf-profile.self.cycles-pp._copy_from_iter 0.49 +0.4 0.90 ± 3% perf-profile.self.cycles-pp.do_epoll_ctl 1.82 ± 2% +1.0 2.81 ± 6% perf-profile.self.cycles-pp._raw_spin_lock 6.30 ± 14% +4.5 10.80 ± 5% perf-profile.self.cycles-pp.unix_sock_destructor 8.69 ± 16% +7.6 16.26 ± 5% perf-profile.self.cycles-pp.unix_create1 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