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X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 7.2% improvement of stress-ng.sigurg.ops_per_sec on: commit: 026dfef287c07f37d4d4eef7a0b5a4bfdb29b32d ("tcp: give up on stronger sk_rcvbuf checks (for now)") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master testcase: stress-ng config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory parameters: nr_threads: 100% testtime: 60s test: sigurg cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260508/202605081516.e48509cb-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-spr-r02/sigurg/stress-ng/60s commit: 6996a2d2d0 ("udp: Unhash auto-bound connected sk from 4-tuple hash table when disconnected.") 026dfef287 ("tcp: give up on stronger sk_rcvbuf checks (for now)") 6996a2d2d0a64808 026dfef287c07f37d4d4eef7a0b ---------------- --------------------------- %stddev %change %stddev \ | \ 3.161e+08 +7.2% 3.389e+08 stress-ng.sigurg.ops 5270683 +7.2% 5651486 stress-ng.sigurg.ops_per_sec 2111132 -7.4% 1954920 stress-ng.time.involuntary_context_switches 17103 -4.9% 16270 stress-ng.time.percent_of_cpu_this_job_got 8621 -3.8% 8290 stress-ng.time.system_time 1655 ± 2% -10.3% 1485 stress-ng.time.user_time 233661 +4.6% 244480 stress-ng.time.voluntary_context_switches 1187968 +10.0% 1306428 ± 2% meminfo.SUnreclaim 1337542 +8.8% 1455830 ± 2% meminfo.Slab 21.62 ± 3% +3.4 24.99 mpstat.cpu.all.soft% 12.33 ± 2% -1.3 11.04 ± 2% mpstat.cpu.all.usr% 297818 +9.5% 326144 ± 2% proc-vmstat.nr_slab_unreclaimable 2652433 ± 4% -10.1% 2383573 proc-vmstat.pgalloc_normal 40509 -5.8% 38147 vmstat.system.cs 5072202 ± 2% +8.6% 5506325 ± 2% vmstat.system.in 18227 ± 11% +30.4% 23763 ± 8% perf-c2c.DRAM.local 57496 ± 9% +21.0% 69555 ± 6% perf-c2c.HITM.local 72755 ± 9% +19.8% 87175 ± 7% perf-c2c.HITM.total 7586 ± 2% -5.0% 7209 ± 2% sched_debug.cfs_rq:/.left_deadline.stddev 7586 ± 2% -5.0% 7207 ± 2% sched_debug.cfs_rq:/.left_vruntime.stddev 7586 ± 2% -5.0% 7207 ± 2% sched_debug.cfs_rq:/.right_vruntime.stddev 0.84 ± 2% -11.2% 0.74 turbostat.IPC 3.193e+08 ± 2% +9.1% 3.484e+08 turbostat.IRQ 110.21 ± 9% -20.0 90.16 ± 6% turbostat.PKG_% 28.31 ± 2% +5.1% 29.75 turbostat.RAMWatt 3.87 ± 2% +8.6% 4.20 perf-sched.sch_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 3.87 ± 2% +8.6% 4.20 perf-sched.total_sch_delay.average.ms 20.88 +7.1% 22.36 ± 2% perf-sched.total_wait_and_delay.average.ms 17.01 +6.8% 18.16 ± 2% perf-sched.total_wait_time.average.ms 20.88 +7.1% 22.36 ± 2% perf-sched.wait_and_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 17.01 +6.8% 18.16 ± 2% perf-sched.wait_time.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 0.48 ± 10% +30.6% 0.63 ± 3% perf-stat.i.MPKI 1.106e+11 -10.4% 9.901e+10 perf-stat.i.branch-instructions 0.09 ± 4% +0.0 0.11 perf-stat.i.branch-miss-rate% 1.018e+08 ± 2% +10.0% 1.119e+08 perf-stat.i.branch-misses 2.65e+08 ± 8% +16.8% 3.095e+08 ± 3% perf-stat.i.cache-misses 8.252e+08 ± 3% +9.7% 9.05e+08 perf-stat.i.cache-references 41977 -5.5% 39685 perf-stat.i.context-switches 1.17 ± 2% +11.9% 1.31 perf-stat.i.cpi 2435 ± 8% -15.0% 2071 ± 3% perf-stat.i.cycles-between-cache-misses 5.489e+11 -10.8% 4.899e+11 perf-stat.i.instructions 0.86 ± 2% -10.6% 0.77 perf-stat.i.ipc 0.48 ± 10% +30.6% 0.63 ± 3% perf-stat.overall.MPKI 0.09 ± 4% +0.0 0.11 perf-stat.overall.branch-miss-rate% 1.17 ± 2% +12.0% 1.31 perf-stat.overall.cpi 2431 ± 8% -14.9% 2069 ± 3% perf-stat.overall.cycles-between-cache-misses 0.86 ± 2% -10.7% 0.76 perf-stat.overall.ipc 1.063e+11 ± 2% -11.1% 9.45e+10 perf-stat.ps.branch-instructions 96467947 +9.5% 1.056e+08 perf-stat.ps.branch-misses 2.552e+08 ± 8% +15.9% 2.957e+08 ± 3% perf-stat.ps.cache-misses 7.926e+08 ± 3% +8.9% 8.633e+08 perf-stat.ps.cache-references 40211 -6.1% 37740 perf-stat.ps.context-switches 2.175e+11 -0.7% 2.159e+11 perf-stat.ps.cpu-clock 5.279e+11 ± 2% -11.4% 4.675e+11 perf-stat.ps.instructions 2.175e+11 -0.7% 2.159e+11 perf-stat.ps.task-clock 3.161e+13 -10.6% 2.825e+13 perf-stat.total.instructions 5.34 ± 9% -3.0 2.30 ± 7% perf-profile.calltrace.cycles-pp.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe 5.27 ± 9% -3.0 2.29 ± 7% perf-profile.calltrace.cycles-pp.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe 4.73 ± 8% -2.6 2.17 ± 7% perf-profile.calltrace.cycles-pp.sock_recvmsg.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe 4.60 ± 8% -2.4 2.15 ± 7% perf-profile.calltrace.cycles-pp.inet_recvmsg.sock_recvmsg.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64 4.49 ± 8% -2.4 2.12 ± 7% perf-profile.calltrace.cycles-pp.tcp_recvmsg.inet_recvmsg.sock_recvmsg.__sys_recvfrom.__x64_sys_recvfrom 48.77 -1.7 47.03 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe 48.46 -1.6 46.91 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.74 ± 10% -0.8 0.94 ± 4% perf-profile.calltrace.cycles-pp.skb_do_copy_data_nocache.tcp_sendmsg_locked.tcp_sendmsg.__sys_sendto.__x64_sys_sendto 0.53 ± 2% +0.0 0.56 ± 2% perf-profile.calltrace.cycles-pp.restore_sigcontext.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 0.53 ± 2% +0.0 0.57 perf-profile.calltrace.cycles-pp.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 0.53 +0.0 0.56 perf-profile.calltrace.cycles-pp.copy_fpstate_to_sigframe.get_sigframe.x64_setup_rt_frame.arch_do_signal_or_restart.exit_to_user_mode_loop 0.94 +0.1 1.00 perf-profile.calltrace.cycles-pp.x64_setup_rt_frame.arch_do_signal_or_restart.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.81 +0.1 0.86 perf-profile.calltrace.cycles-pp.get_sigframe.x64_setup_rt_frame.arch_do_signal_or_restart.exit_to_user_mode_loop.do_syscall_64 0.59 ± 4% +0.1 0.65 ± 3% perf-profile.calltrace.cycles-pp.asm_sysvec_reschedule_ipi._raw_spin_unlock_irq.signal_setup_done.arch_do_signal_or_restart.exit_to_user_mode_loop 1.14 +0.1 1.20 ± 3% perf-profile.calltrace.cycles-pp.release_sock.tcp_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64 0.66 ± 3% +0.1 0.73 perf-profile.calltrace.cycles-pp.__kfree_skb.tcp_urg.tcp_rcv_established.tcp_v4_do_rcv.tcp_v4_rcv 0.70 ± 3% +0.1 0.78 ± 2% perf-profile.calltrace.cycles-pp.kmem_cache_alloc_node_noprof.__alloc_skb.tcp_stream_alloc_skb.tcp_sendmsg_locked.tcp_sendmsg 0.77 ± 3% +0.1 0.86 perf-profile.calltrace.cycles-pp.kmem_cache_alloc_node_noprof.kmalloc_reserve.__alloc_skb.tcp_stream_alloc_skb.tcp_sendmsg_locked 0.68 ± 2% +0.1 0.78 perf-profile.calltrace.cycles-pp.tcp_schedule_loss_probe.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendmsg 0.64 ± 2% +0.1 0.74 ± 2% perf-profile.calltrace.cycles-pp.skb_defer_free_flush.net_rx_action.handle_softirqs.do_softirq.__local_bh_enable_ip 0.87 ± 3% +0.1 0.98 perf-profile.calltrace.cycles-pp.kmalloc_reserve.__alloc_skb.tcp_stream_alloc_skb.tcp_sendmsg_locked.tcp_sendmsg 0.43 ± 44% +0.1 0.55 perf-profile.calltrace.cycles-pp.fpu__restore_sig.restore_sigcontext.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.60 ± 3% +0.1 0.71 ± 3% perf-profile.calltrace.cycles-pp.loopback_xmit.xmit_one.dev_hard_start_xmit.__dev_queue_xmit.ip_finish_output2 0.69 ± 3% +0.1 0.83 ± 3% perf-profile.calltrace.cycles-pp.xmit_one.dev_hard_start_xmit.__dev_queue_xmit.ip_finish_output2.ip_output 0.45 ± 44% +0.1 0.59 ± 2% perf-profile.calltrace.cycles-pp.__pcs_replace_empty_main.kmem_cache_alloc_node_noprof.kmalloc_reserve.__alloc_skb.tcp_stream_alloc_skb 0.74 ± 3% +0.1 0.88 ± 3% perf-profile.calltrace.cycles-pp.dev_hard_start_xmit.__dev_queue_xmit.ip_finish_output2.ip_output.__ip_queue_xmit 0.83 ± 3% +0.2 1.02 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_unlock_irq.signal_setup_done.arch_do_signal_or_restart.exit_to_user_mode_loop.do_syscall_64 1.36 ± 2% +0.2 1.57 ± 2% perf-profile.calltrace.cycles-pp.tcp_data_queue.tcp_rcv_established.tcp_v4_do_rcv.tcp_v4_rcv.ip_protocol_deliver_rcu 0.34 ± 70% +0.2 0.57 perf-profile.calltrace.cycles-pp.skb_release_head_state.__kfree_skb.tcp_urg.tcp_rcv_established.tcp_v4_do_rcv 0.35 ± 70% +0.2 0.59 ± 4% perf-profile.calltrace.cycles-pp.ip_rcv.__netif_receive_skb_one_core.process_backlog.__napi_poll.net_rx_action 0.77 ± 5% +0.2 1.02 ± 3% perf-profile.calltrace.cycles-pp.tcp_clean_rtx_queue.tcp_ack.tcp_rcv_established.tcp_v4_do_rcv.__release_sock 0.78 ± 5% +0.2 1.02 ± 3% perf-profile.calltrace.cycles-pp.tcp_ack.tcp_rcv_established.tcp_v4_do_rcv.__release_sock.release_sock 0.78 ± 5% +0.2 1.02 ± 3% perf-profile.calltrace.cycles-pp.tcp_rcv_established.tcp_v4_do_rcv.__release_sock.release_sock.tcp_sendmsg 0.78 ± 5% +0.2 1.02 ± 3% perf-profile.calltrace.cycles-pp.tcp_v4_do_rcv.__release_sock.release_sock.tcp_sendmsg.__sys_sendto 0.78 ± 5% +0.2 1.03 ± 3% perf-profile.calltrace.cycles-pp.__release_sock.release_sock.tcp_sendmsg.__sys_sendto.__x64_sys_sendto 0.60 ± 9% +0.3 0.89 ± 28% perf-profile.calltrace.cycles-pp.tcp_ack.tcp_rcv_established.tcp_v4_do_rcv.tcp_v4_rcv.ip_protocol_deliver_rcu 2.27 ± 2% +0.3 2.56 ± 2% perf-profile.calltrace.cycles-pp.tcp_event_new_data_sent.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendmsg 2.46 ± 3% +0.3 2.76 perf-profile.calltrace.cycles-pp.__alloc_skb.tcp_stream_alloc_skb.tcp_sendmsg_locked.tcp_sendmsg.__sys_sendto 2.73 ± 2% +0.4 3.09 perf-profile.calltrace.cycles-pp.tcp_stream_alloc_skb.tcp_sendmsg_locked.tcp_sendmsg.__sys_sendto.__x64_sys_sendto 0.09 ±223% +0.5 0.55 ± 2% perf-profile.calltrace.cycles-pp.__pcs_replace_empty_main.kmem_cache_alloc_node_noprof.__alloc_skb.tcp_stream_alloc_skb.tcp_sendmsg_locked 0.08 ±223% +0.5 0.55 ± 4% perf-profile.calltrace.cycles-pp.tcp_try_rmem_schedule.tcp_data_queue.tcp_rcv_established.tcp_v4_do_rcv.tcp_v4_rcv 0.00 +0.5 0.52 ± 2% perf-profile.calltrace.cycles-pp.__inet_lookup_skb.tcp_v4_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.ip_local_deliver 0.00 +0.5 0.53 perf-profile.calltrace.cycles-pp.sk_reset_timer.tcp_event_new_data_sent.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked 5.83 ± 11% +0.9 6.78 ± 6% perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.signal_setup_done.arch_do_signal_or_restart.exit_to_user_mode_loop.do_syscall_64 5.74 ± 11% +0.9 6.69 ± 6% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.signal_setup_done.arch_do_signal_or_restart.exit_to_user_mode_loop 3.41 ± 10% +1.0 4.44 ± 8% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.do_send_sig_info.send_sigurg.sk_send_sigurg 3.86 ± 8% +1.1 4.92 ± 7% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.do_send_sig_info.send_sigurg.sk_send_sigurg.tcp_urg 13.97 ± 2% +1.1 15.07 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.ioctl 7.66 ± 9% +1.2 8.86 ± 4% perf-profile.calltrace.cycles-pp.signal_setup_done.arch_do_signal_or_restart.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe 8.19 ± 8% +1.2 9.41 ± 4% perf-profile.calltrace.cycles-pp.arch_do_signal_or_restart.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigurg_handler 8.25 ± 8% +1.2 9.47 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.stress_sigurg_handler 8.21 ± 8% +1.2 9.43 ± 4% perf-profile.calltrace.cycles-pp.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigurg_handler 8.24 ± 8% +1.2 9.47 ± 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigurg_handler 9.01 ± 7% +1.3 10.27 ± 3% perf-profile.calltrace.cycles-pp.stress_sigurg_handler 4.36 ± 15% +1.3 5.63 ± 10% perf-profile.calltrace.cycles-pp.dec_rlimit_put_ucounts.__sigqueue_free.dequeue_signal.get_signal.arch_do_signal_or_restart 4.36 ± 15% +1.3 5.64 ± 10% perf-profile.calltrace.cycles-pp.__sigqueue_free.dequeue_signal.get_signal.arch_do_signal_or_restart.exit_to_user_mode_loop 5.53 ± 9% +1.3 6.82 ± 6% perf-profile.calltrace.cycles-pp.dequeue_signal.get_signal.arch_do_signal_or_restart.exit_to_user_mode_loop.do_syscall_64 4.07 ± 15% +1.3 5.42 ± 11% perf-profile.calltrace.cycles-pp.sig_get_ucounts.__send_signal_locked.do_send_sig_info.send_sigurg.sk_send_sigurg 4.06 ± 15% +1.3 5.41 ± 11% perf-profile.calltrace.cycles-pp.inc_rlimit_get_ucounts.sig_get_ucounts.__send_signal_locked.do_send_sig_info.send_sigurg 6.12 ± 8% +1.4 7.56 ± 6% perf-profile.calltrace.cycles-pp.get_signal.arch_do_signal_or_restart.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe 24.12 ± 2% +1.5 25.59 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.ioctl 22.82 ± 2% +1.5 24.31 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 7.12 ± 7% +1.5 8.63 ± 6% perf-profile.calltrace.cycles-pp.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 7.10 ± 7% +1.5 8.61 ± 6% perf-profile.calltrace.cycles-pp.arch_do_signal_or_restart.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 35.18 ± 2% +1.5 36.69 perf-profile.calltrace.cycles-pp.ioctl 11.85 ± 5% +2.1 13.98 perf-profile.calltrace.cycles-pp.do_send_sig_info.send_sigurg.sk_send_sigurg.tcp_urg.tcp_rcv_established 41.17 +2.2 43.37 perf-profile.calltrace.cycles-pp.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe 12.55 ± 5% +2.2 14.75 perf-profile.calltrace.cycles-pp.send_sigurg.sk_send_sigurg.tcp_urg.tcp_rcv_established.tcp_v4_do_rcv 12.61 ± 5% +2.2 14.82 perf-profile.calltrace.cycles-pp.sk_send_sigurg.tcp_urg.tcp_rcv_established.tcp_v4_do_rcv.tcp_v4_rcv 41.05 +2.2 43.29 perf-profile.calltrace.cycles-pp.__sys_sendto.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe 13.77 ± 5% +2.3 16.11 perf-profile.calltrace.cycles-pp.tcp_urg.tcp_rcv_established.tcp_v4_do_rcv.tcp_v4_rcv.ip_protocol_deliver_rcu 40.22 +2.6 42.84 perf-profile.calltrace.cycles-pp.tcp_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe 16.58 ± 4% +2.9 19.50 perf-profile.calltrace.cycles-pp.tcp_rcv_established.tcp_v4_do_rcv.tcp_v4_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish 38.33 +2.9 41.26 perf-profile.calltrace.cycles-pp.tcp_sendmsg_locked.tcp_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64 16.89 ± 4% +3.0 19.86 perf-profile.calltrace.cycles-pp.tcp_v4_do_rcv.tcp_v4_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.ip_local_deliver 18.40 ± 4% +3.1 21.53 perf-profile.calltrace.cycles-pp.tcp_v4_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.ip_local_deliver.__netif_receive_skb_one_core 18.57 ± 4% +3.1 21.71 perf-profile.calltrace.cycles-pp.ip_protocol_deliver_rcu.ip_local_deliver_finish.ip_local_deliver.__netif_receive_skb_one_core.process_backlog 18.64 ± 4% +3.2 21.80 perf-profile.calltrace.cycles-pp.ip_local_deliver_finish.ip_local_deliver.__netif_receive_skb_one_core.process_backlog.__napi_poll 18.69 ± 4% +3.2 21.85 perf-profile.calltrace.cycles-pp.ip_local_deliver.__netif_receive_skb_one_core.process_backlog.__napi_poll.net_rx_action 19.88 ± 4% +3.2 23.07 perf-profile.calltrace.cycles-pp.process_backlog.__napi_poll.net_rx_action.handle_softirqs.do_softirq 19.95 ± 4% +3.2 23.15 perf-profile.calltrace.cycles-pp.__napi_poll.net_rx_action.handle_softirqs.do_softirq.__local_bh_enable_ip 19.52 ± 4% +3.3 22.82 perf-profile.calltrace.cycles-pp.__netif_receive_skb_one_core.process_backlog.__napi_poll.net_rx_action.handle_softirqs 20.79 ± 4% +3.3 24.11 perf-profile.calltrace.cycles-pp.net_rx_action.handle_softirqs.do_softirq.__local_bh_enable_ip.__dev_queue_xmit 21.33 ± 3% +3.4 24.72 perf-profile.calltrace.cycles-pp.handle_softirqs.do_softirq.__local_bh_enable_ip.__dev_queue_xmit.ip_finish_output2 21.41 ± 3% +3.4 24.82 perf-profile.calltrace.cycles-pp.do_softirq.__local_bh_enable_ip.__dev_queue_xmit.ip_finish_output2.ip_output 21.45 ± 3% +3.4 24.86 perf-profile.calltrace.cycles-pp.__local_bh_enable_ip.__dev_queue_xmit.ip_finish_output2.ip_output.__ip_queue_xmit 24.01 ± 3% +3.8 27.82 perf-profile.calltrace.cycles-pp.__dev_queue_xmit.ip_finish_output2.ip_output.__ip_queue_xmit.__tcp_transmit_skb 24.28 ± 3% +3.8 28.12 perf-profile.calltrace.cycles-pp.ip_finish_output2.ip_output.__ip_queue_xmit.__tcp_transmit_skb.tcp_write_xmit 24.52 ± 3% +3.9 28.39 perf-profile.calltrace.cycles-pp.ip_output.__ip_queue_xmit.__tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames 31.62 ± 2% +4.0 35.63 perf-profile.calltrace.cycles-pp.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendmsg.__sys_sendto.__x64_sys_sendto 25.77 ± 3% +4.0 29.78 perf-profile.calltrace.cycles-pp.__ip_queue_xmit.__tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked 31.50 ± 2% +4.1 35.56 perf-profile.calltrace.cycles-pp.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendmsg.__sys_sendto 27.22 ± 3% +4.2 31.42 perf-profile.calltrace.cycles-pp.__tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendmsg 5.36 ± 9% -3.1 2.31 ± 7% perf-profile.children.cycles-pp.__x64_sys_recvfrom 5.32 ± 9% -3.0 2.30 ± 7% perf-profile.children.cycles-pp.__sys_recvfrom 4.77 ± 8% -2.6 2.18 ± 7% perf-profile.children.cycles-pp.sock_recvmsg 4.61 ± 8% -2.5 2.15 ± 7% perf-profile.children.cycles-pp.inet_recvmsg 4.53 ± 8% -2.4 2.13 ± 7% perf-profile.children.cycles-pp.tcp_recvmsg 1.98 ± 17% -1.8 0.22 ± 23% perf-profile.children.cycles-pp.tcp_recvmsg_locked 1.80 ± 10% -0.8 0.98 ± 4% perf-profile.children.cycles-pp.skb_do_copy_data_nocache 1.19 ± 12% -0.6 0.54 ± 5% perf-profile.children.cycles-pp.__check_object_size 2.17 ± 5% -0.6 1.59 ± 7% perf-profile.children.cycles-pp._raw_spin_lock_bh 4.11 -0.4 3.67 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.54 ± 16% -0.4 0.10 ± 14% perf-profile.children.cycles-pp._copy_to_iter 0.86 ± 12% -0.4 0.43 ± 4% perf-profile.children.cycles-pp.check_heap_object 0.82 ± 11% -0.4 0.39 ± 6% perf-profile.children.cycles-pp._copy_from_iter 1.83 ± 6% -0.4 1.47 ± 8% perf-profile.children.cycles-pp.lock_sock_nested 2.26 ± 3% -0.3 1.92 perf-profile.children.cycles-pp.arch_exit_to_user_mode_prepare 0.78 ± 8% -0.3 0.52 ± 3% perf-profile.children.cycles-pp.ktime_get 0.63 ± 9% -0.2 0.40 ± 4% perf-profile.children.cycles-pp.tcp_send_mss 0.34 ± 13% -0.2 0.11 ± 6% perf-profile.children.cycles-pp.__tcp_select_window 0.51 ± 8% -0.2 0.32 ± 3% perf-profile.children.cycles-pp.read_tsc 1.63 ± 3% -0.2 1.44 ± 3% perf-profile.children.cycles-pp.release_sock 0.55 ± 8% -0.2 0.36 ± 4% perf-profile.children.cycles-pp.tcp_current_mss 0.40 ± 9% -0.2 0.23 ± 4% perf-profile.children.cycles-pp.__virt_addr_valid 1.24 ± 3% -0.2 1.08 perf-profile.children.cycles-pp.fdget 1.38 ± 2% -0.1 1.23 perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack 0.96 ± 2% -0.1 0.83 perf-profile.children.cycles-pp.syscall_return_via_sysret 0.17 ± 13% -0.1 0.06 ± 6% perf-profile.children.cycles-pp.import_ubuf 0.16 ± 11% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.tcp_tso_segs 0.96 ± 2% -0.1 0.88 perf-profile.children.cycles-pp.x64_sys_call 0.13 ± 13% -0.1 0.06 ± 7% perf-profile.children.cycles-pp.inet_sendmsg 0.32 ± 6% -0.1 0.26 ± 3% perf-profile.children.cycles-pp.tcp_established_options 0.11 ± 10% -0.1 0.05 ± 7% perf-profile.children.cycles-pp.tcp_push 0.15 ± 8% -0.0 0.10 ± 9% perf-profile.children.cycles-pp.ipv4_mtu 0.11 ± 11% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.tcp_release_cb 0.12 ± 10% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.sk_page_frag_refill 0.09 ± 10% -0.0 0.06 ± 8% perf-profile.children.cycles-pp.__send 0.08 ± 7% -0.0 0.05 perf-profile.children.cycles-pp.skb_page_frag_refill 0.42 ± 2% -0.0 0.40 ± 2% perf-profile.children.cycles-pp.stress_sigurg_server 0.39 ± 2% -0.0 0.37 ± 2% perf-profile.children.cycles-pp.hrtimer_interrupt 0.05 +0.0 0.06 perf-profile.children.cycles-pp.__get_user_nocheck_4 0.07 +0.0 0.08 perf-profile.children.cycles-pp.raw_v4_input 0.10 ± 3% +0.0 0.11 perf-profile.children.cycles-pp.__copy_skb_header 0.14 ± 2% +0.0 0.15 ± 2% perf-profile.children.cycles-pp.__fpu_restore_sig 0.11 ± 4% +0.0 0.12 perf-profile.children.cycles-pp.netif_skb_features 0.09 ± 4% +0.0 0.10 ± 3% perf-profile.children.cycles-pp.enqueue_timer 0.13 ± 2% +0.0 0.14 ± 2% perf-profile.children.cycles-pp.check_xstate_in_sigframe 0.10 ± 4% +0.0 0.12 ± 3% perf-profile.children.cycles-pp.refill_stock 0.09 ± 5% +0.0 0.11 ± 3% perf-profile.children.cycles-pp.tcp_send_delayed_ack 0.06 ± 6% +0.0 0.08 ± 6% perf-profile.children.cycles-pp.tcp_measure_rcv_mss 0.12 ± 4% +0.0 0.14 perf-profile.children.cycles-pp._raw_read_lock_irqsave 0.31 ± 2% +0.0 0.32 perf-profile.children.cycles-pp.fpregs_mark_activate 0.13 ± 2% +0.0 0.14 ± 3% perf-profile.children.cycles-pp.detach_if_pending 0.12 ± 4% +0.0 0.14 ± 3% perf-profile.children.cycles-pp.ip_send_check 0.11 ± 3% +0.0 0.13 perf-profile.children.cycles-pp.tcp_wfree 0.08 ± 6% +0.0 0.10 ± 5% perf-profile.children.cycles-pp._find_first_bit 0.20 ± 2% +0.0 0.22 perf-profile.children.cycles-pp.tcp_queue_rcv 0.37 ± 2% +0.0 0.39 perf-profile.children.cycles-pp.restore_fpregs_from_user 0.14 ± 4% +0.0 0.16 ± 4% perf-profile.children.cycles-pp.tcp_event_data_recv 0.24 ± 2% +0.0 0.26 perf-profile.children.cycles-pp._raw_spin_lock 0.16 ± 2% +0.0 0.18 perf-profile.children.cycles-pp.try_charge_memcg 0.18 ± 2% +0.0 0.20 perf-profile.children.cycles-pp.native_sched_clock 0.07 ± 8% +0.0 0.09 ± 7% perf-profile.children.cycles-pp.netdev_core_pick_tx 0.35 ± 2% +0.0 0.37 perf-profile.children.cycles-pp.prepare_signal 0.28 +0.0 0.31 perf-profile.children.cycles-pp.sock_def_readable 0.22 ± 2% +0.0 0.25 perf-profile.children.cycles-pp.sched_clock 0.49 +0.0 0.51 perf-profile.children.cycles-pp.fpu__clear_user_states 0.14 ± 5% +0.0 0.17 ± 4% perf-profile.children.cycles-pp.__ip_finish_output 0.19 ± 3% +0.0 0.22 perf-profile.children.cycles-pp.__ip_local_out 0.26 ± 2% +0.0 0.29 perf-profile.children.cycles-pp.sched_clock_cpu 0.25 ± 3% +0.0 0.28 perf-profile.children.cycles-pp.rb_erase 0.22 ± 3% +0.0 0.25 perf-profile.children.cycles-pp.validate_xmit_skb 0.62 ± 3% +0.0 0.65 perf-profile.children.cycles-pp.native_irq_return_iret 0.52 ± 3% +0.0 0.55 ± 2% perf-profile.children.cycles-pp.fpu__restore_sig 0.23 ± 3% +0.0 0.26 perf-profile.children.cycles-pp.ip_local_out 0.22 ± 2% +0.0 0.26 perf-profile.children.cycles-pp.tcp_mstamp_refresh 0.54 +0.0 0.58 perf-profile.children.cycles-pp.copy_fpstate_to_sigframe 0.18 ± 3% +0.0 0.21 ± 3% perf-profile.children.cycles-pp.mem_cgroup_sk_uncharge 0.35 ± 3% +0.0 0.39 ± 3% perf-profile.children.cycles-pp.tcp_rearm_rto 0.35 ± 2% +0.0 0.38 perf-profile.children.cycles-pp.irqtime_account_irq 0.44 ± 3% +0.0 0.48 perf-profile.children.cycles-pp._raw_read_unlock_irqrestore 0.25 ± 3% +0.0 0.29 ± 2% perf-profile.children.cycles-pp.enqueue_to_backlog 0.22 ± 9% +0.0 0.26 ± 6% perf-profile.children.cycles-pp.dst_release 0.29 ± 2% +0.0 0.33 ± 4% perf-profile.children.cycles-pp.mod_memcg_state 0.28 ± 3% +0.0 0.32 perf-profile.children.cycles-pp.netif_rx_internal 0.63 ± 2% +0.0 0.67 perf-profile.children.cycles-pp.restore_sigcontext 0.23 ± 3% +0.0 0.28 ± 2% perf-profile.children.cycles-pp.ip_rcv_core 0.32 ± 2% +0.0 0.36 perf-profile.children.cycles-pp.rb_insert_color 0.30 ± 3% +0.0 0.34 perf-profile.children.cycles-pp.__netif_rx 0.31 ± 3% +0.0 0.36 perf-profile.children.cycles-pp.lock_timer_base 1.16 +0.0 1.21 perf-profile.children.cycles-pp.__x64_sys_rt_sigreturn 0.34 ± 3% +0.0 0.39 ± 2% perf-profile.children.cycles-pp.skb_clone 0.25 ± 6% +0.0 0.30 ± 4% perf-profile.children.cycles-pp.barn_replace_full_sheaf 0.36 +0.0 0.41 perf-profile.children.cycles-pp.mem_cgroup_sk_charge 0.00 +0.1 0.05 perf-profile.children.cycles-pp.__xfrm_policy_check2 0.00 +0.1 0.05 perf-profile.children.cycles-pp.bpf_skops_write_hdr_opt 0.00 +0.1 0.05 perf-profile.children.cycles-pp.skb_clone_tx_timestamp 0.34 ± 2% +0.1 0.40 perf-profile.children.cycles-pp.__sk_mem_reduce_allocated 0.32 ± 3% +0.1 0.37 perf-profile.children.cycles-pp.tcp_skb_entail 0.30 +0.1 0.35 ± 2% perf-profile.children.cycles-pp.complete_signal 0.82 +0.1 0.87 perf-profile.children.cycles-pp.get_sigframe 0.28 ± 2% +0.1 0.33 ± 3% perf-profile.children.cycles-pp.__netif_receive_skb_core 0.29 ± 3% +0.1 0.34 ± 2% perf-profile.children.cycles-pp.kfree_skbmem 0.96 +0.1 1.02 perf-profile.children.cycles-pp.x64_setup_rt_frame 0.68 ± 2% +0.1 0.74 perf-profile.children.cycles-pp.__refill_objects_node 0.68 ± 2% +0.1 0.74 perf-profile.children.cycles-pp.refill_objects 0.67 ± 3% +0.1 0.73 ± 3% perf-profile.children.cycles-pp.recalc_sigpending 0.34 ± 5% +0.1 0.40 ± 4% perf-profile.children.cycles-pp.barn_replace_empty_sheaf 0.37 ± 3% +0.1 0.43 ± 2% perf-profile.children.cycles-pp.__inet_lookup_established 0.55 ± 3% +0.1 0.62 perf-profile.children.cycles-pp.skb_release_head_state 0.76 ± 3% +0.1 0.82 ± 2% perf-profile.children.cycles-pp.asm_sysvec_reschedule_ipi 0.47 ± 4% +0.1 0.54 ± 3% perf-profile.children.cycles-pp.__pcs_replace_full_main 0.50 ± 2% +0.1 0.56 ± 4% perf-profile.children.cycles-pp.tcp_try_rmem_schedule 0.44 ± 2% +0.1 0.51 ± 2% perf-profile.children.cycles-pp._find_next_bit 0.46 ± 2% +0.1 0.53 ± 2% perf-profile.children.cycles-pp.__inet_lookup_skb 0.53 ± 4% +0.1 0.61 ± 3% perf-profile.children.cycles-pp.ip_rcv 0.56 ± 2% +0.1 0.64 perf-profile.children.cycles-pp.__sk_mem_raise_allocated 0.77 ± 3% +0.1 0.86 perf-profile.children.cycles-pp.skb_release_data 0.60 ± 2% +0.1 0.69 perf-profile.children.cycles-pp.__sk_mem_schedule 0.70 ± 2% +0.1 0.80 perf-profile.children.cycles-pp.tcp_schedule_loss_probe 0.88 ± 3% +0.1 0.99 perf-profile.children.cycles-pp.kmalloc_reserve 0.68 ± 3% +0.1 0.79 ± 2% perf-profile.children.cycles-pp.skb_defer_free_flush 0.62 ± 3% +0.1 0.73 ± 3% perf-profile.children.cycles-pp.loopback_xmit 1.05 ± 3% +0.1 1.18 ± 2% perf-profile.children.cycles-pp.__pcs_replace_empty_main 0.93 ± 2% +0.1 1.06 perf-profile.children.cycles-pp.__mod_timer 0.98 ± 2% +0.1 1.12 perf-profile.children.cycles-pp.sk_reset_timer 2.46 ± 2% +0.1 2.60 ± 3% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 2.50 ± 2% +0.1 2.64 ± 3% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.70 ± 3% +0.1 0.84 ± 3% perf-profile.children.cycles-pp.xmit_one 0.74 ± 3% +0.1 0.89 ± 3% perf-profile.children.cycles-pp.dev_hard_start_xmit 2.06 ± 2% +0.2 2.22 ± 4% perf-profile.children.cycles-pp.__irq_exit_rcu 1.36 ± 3% +0.2 1.52 perf-profile.children.cycles-pp.__kfree_skb 1.48 ± 3% +0.2 1.65 perf-profile.children.cycles-pp.kmem_cache_alloc_node_noprof 1.41 ± 2% +0.2 1.62 ± 2% perf-profile.children.cycles-pp.tcp_data_queue 0.89 ± 5% +0.2 1.14 ± 3% perf-profile.children.cycles-pp.__release_sock 2.29 ± 2% +0.3 2.58 ± 2% perf-profile.children.cycles-pp.tcp_event_new_data_sent 2.50 ± 3% +0.3 2.82 perf-profile.children.cycles-pp.__alloc_skb 2.74 ± 2% +0.4 3.10 perf-profile.children.cycles-pp.tcp_stream_alloc_skb 1.74 ± 2% +0.4 2.13 ± 3% perf-profile.children.cycles-pp._raw_spin_unlock_irq 3.20 ± 3% +0.5 3.66 perf-profile.children.cycles-pp.tcp_clean_rtx_queue 3.56 ± 3% +0.5 4.06 perf-profile.children.cycles-pp.tcp_ack 81.40 +0.9 82.32 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 6.26 ± 11% +1.0 7.23 ± 6% perf-profile.children.cycles-pp._raw_spin_lock_irq 80.20 +1.1 81.27 perf-profile.children.cycles-pp.do_syscall_64 7.67 ± 9% +1.2 8.86 ± 4% perf-profile.children.cycles-pp.signal_setup_done 9.03 ± 7% +1.3 10.29 ± 3% perf-profile.children.cycles-pp.stress_sigurg_handler 4.39 ± 15% +1.3 5.67 ± 10% perf-profile.children.cycles-pp.dec_rlimit_put_ucounts 4.39 ± 15% +1.3 5.68 ± 10% perf-profile.children.cycles-pp.__sigqueue_free 5.56 ± 9% +1.3 6.86 ± 7% perf-profile.children.cycles-pp.dequeue_signal 4.08 ± 15% +1.3 5.43 ± 11% perf-profile.children.cycles-pp.inc_rlimit_get_ucounts 4.10 ± 15% +1.4 5.44 ± 11% perf-profile.children.cycles-pp.sig_get_ucounts 6.18 ± 8% +1.5 7.64 ± 6% perf-profile.children.cycles-pp.get_signal 39.09 +1.5 40.61 perf-profile.children.cycles-pp.ioctl 11.90 ± 5% +2.1 14.03 perf-profile.children.cycles-pp.do_send_sig_info 41.20 +2.2 43.38 perf-profile.children.cycles-pp.__x64_sys_sendto 12.61 ± 5% +2.2 14.82 perf-profile.children.cycles-pp.send_sigurg 41.12 +2.2 43.32 perf-profile.children.cycles-pp.__sys_sendto 12.65 ± 5% +2.2 14.86 perf-profile.children.cycles-pp.sk_send_sigurg 13.85 ± 5% +2.3 16.19 perf-profile.children.cycles-pp.tcp_urg 40.28 +2.6 42.86 perf-profile.children.cycles-pp.tcp_sendmsg 15.38 ± 2% +2.7 18.12 perf-profile.children.cycles-pp.exit_to_user_mode_loop 15.35 ± 2% +2.7 18.08 perf-profile.children.cycles-pp.arch_do_signal_or_restart 38.45 +2.9 41.32 perf-profile.children.cycles-pp.tcp_sendmsg_locked 20.61 ± 3% +3.1 23.72 perf-profile.children.cycles-pp.tcp_v4_rcv 20.75 ± 3% +3.1 23.87 perf-profile.children.cycles-pp.ip_protocol_deliver_rcu 20.81 ± 3% +3.1 23.94 perf-profile.children.cycles-pp.ip_local_deliver_finish 20.86 ± 3% +3.1 23.99 perf-profile.children.cycles-pp.ip_local_deliver 19.64 ± 4% +3.1 22.78 perf-profile.children.cycles-pp.tcp_rcv_established 21.99 ± 3% +3.2 25.16 perf-profile.children.cycles-pp.__local_bh_enable_ip 19.95 ± 4% +3.2 23.13 perf-profile.children.cycles-pp.tcp_v4_do_rcv 21.69 ± 3% +3.3 24.97 perf-profile.children.cycles-pp.__netif_receive_skb_one_core 22.08 ± 3% +3.3 25.42 perf-profile.children.cycles-pp.process_backlog 22.12 ± 3% +3.3 25.47 perf-profile.children.cycles-pp.__napi_poll 21.54 ± 3% +3.4 24.94 perf-profile.children.cycles-pp.do_softirq 22.99 ± 3% +3.5 26.47 perf-profile.children.cycles-pp.net_rx_action 23.53 ± 3% +3.5 27.07 perf-profile.children.cycles-pp.handle_softirqs 24.05 ± 3% +3.8 27.86 perf-profile.children.cycles-pp.__dev_queue_xmit 24.30 ± 3% +3.8 28.14 perf-profile.children.cycles-pp.ip_finish_output2 24.54 ± 3% +3.9 28.41 perf-profile.children.cycles-pp.ip_output 31.64 ± 2% +4.0 35.64 perf-profile.children.cycles-pp.__tcp_push_pending_frames 25.80 ± 3% +4.0 29.82 perf-profile.children.cycles-pp.__ip_queue_xmit 31.57 ± 2% +4.0 35.61 perf-profile.children.cycles-pp.tcp_write_xmit 27.28 ± 3% +4.2 31.49 perf-profile.children.cycles-pp.__tcp_transmit_skb 0.87 ± 13% -0.5 0.34 ± 6% perf-profile.self.cycles-pp._raw_spin_lock_bh 3.99 -0.4 3.57 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.51 ± 17% -0.4 0.10 ± 15% perf-profile.self.cycles-pp._copy_to_iter 0.76 ± 11% -0.4 0.36 ± 5% perf-profile.self.cycles-pp._copy_from_iter 2.91 ± 2% -0.4 2.51 perf-profile.self.cycles-pp.do_syscall_64 1.00 ± 9% -0.3 0.66 ± 3% perf-profile.self.cycles-pp.tcp_sendmsg_locked 0.39 ± 16% -0.3 0.08 ± 12% perf-profile.self.cycles-pp.tcp_recvmsg_locked 2.08 ± 3% -0.3 1.78 perf-profile.self.cycles-pp.arch_exit_to_user_mode_prepare 0.35 ± 17% -0.3 0.07 ± 15% perf-profile.self.cycles-pp.__sys_recvfrom 0.32 ± 13% -0.2 0.10 ± 6% perf-profile.self.cycles-pp.__tcp_select_window 0.38 ± 13% -0.2 0.17 ± 5% perf-profile.self.cycles-pp.check_heap_object 1.90 ± 2% -0.2 1.70 perf-profile.self.cycles-pp.entry_SYSCALL_64 0.41 ± 11% -0.2 0.21 ± 3% perf-profile.self.cycles-pp.__local_bh_enable_ip 0.58 ± 9% -0.2 0.40 ± 3% perf-profile.self.cycles-pp.tcp_write_xmit 0.27 ± 15% -0.2 0.09 ± 7% perf-profile.self.cycles-pp.__check_object_size 0.47 ± 8% -0.2 0.29 ± 2% perf-profile.self.cycles-pp.read_tsc 1.32 ± 2% -0.2 1.15 perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.38 ± 11% -0.2 0.21 ± 5% perf-profile.self.cycles-pp.__sys_sendto 0.37 ± 9% -0.1 0.22 ± 4% perf-profile.self.cycles-pp.__virt_addr_valid 1.04 ± 3% -0.1 0.91 perf-profile.self.cycles-pp.fdget 0.96 ± 2% -0.1 0.82 perf-profile.self.cycles-pp.syscall_return_via_sysret 0.23 ± 11% -0.1 0.10 ± 3% perf-profile.self.cycles-pp.release_sock 0.89 ± 2% -0.1 0.79 perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack 0.38 ± 5% -0.1 0.28 perf-profile.self.cycles-pp.tcp_recvmsg 0.14 ± 14% -0.1 0.05 ± 7% perf-profile.self.cycles-pp.import_ubuf 0.18 ± 10% -0.1 0.10 ± 3% perf-profile.self.cycles-pp.tcp_current_mss 0.14 ± 11% -0.1 0.07 ± 5% perf-profile.self.cycles-pp.tcp_tso_segs 0.28 ± 8% -0.1 0.22 ± 5% perf-profile.self.cycles-pp.ktime_get 0.15 ± 9% -0.1 0.09 ± 4% perf-profile.self.cycles-pp.skb_do_copy_data_nocache 0.69 ± 2% -0.1 0.63 perf-profile.self.cycles-pp.x64_sys_call 0.29 ± 5% -0.0 0.24 ± 3% perf-profile.self.cycles-pp.tcp_established_options 0.11 ± 11% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.tcp_sendmsg 0.09 ± 9% -0.0 0.06 ± 9% perf-profile.self.cycles-pp.tcp_release_cb 0.13 ± 7% -0.0 0.10 ± 7% perf-profile.self.cycles-pp.ipv4_mtu 0.07 ± 10% -0.0 0.04 ± 44% perf-profile.self.cycles-pp.__send 0.05 +0.0 0.06 perf-profile.self.cycles-pp.tcp_send_delayed_ack 0.07 +0.0 0.08 perf-profile.self.cycles-pp.__ip_local_out 0.07 +0.0 0.08 perf-profile.self.cycles-pp.skb_release_head_state 0.08 +0.0 0.09 perf-profile.self.cycles-pp.__usecs_to_jiffies 0.06 +0.0 0.07 perf-profile.self.cycles-pp.ip_local_deliver_finish 0.09 +0.0 0.10 perf-profile.self.cycles-pp.irqtime_account_irq 0.06 +0.0 0.07 perf-profile.self.cycles-pp.netif_skb_features 0.06 +0.0 0.07 perf-profile.self.cycles-pp.tcp_event_data_recv 0.06 +0.0 0.07 perf-profile.self.cycles-pp.tcp_inbound_hash 0.06 +0.0 0.07 perf-profile.self.cycles-pp.tcp_options_write 0.09 ± 5% +0.0 0.10 ± 4% perf-profile.self.cycles-pp.__copy_skb_header 0.09 ± 4% +0.0 0.10 perf-profile.self.cycles-pp.refill_stock 0.06 ± 6% +0.0 0.08 ± 6% perf-profile.self.cycles-pp.__ip_finish_output 0.19 +0.0 0.20 ± 2% perf-profile.self.cycles-pp.__get_user_nocheck_8 0.05 ± 7% +0.0 0.06 ± 7% perf-profile.self.cycles-pp.qdisc_pkt_len_segs_init 0.12 ± 5% +0.0 0.14 ± 3% perf-profile.self.cycles-pp.barn_replace_full_sheaf 0.07 ± 6% +0.0 0.09 ± 4% perf-profile.self.cycles-pp.loopback_xmit 0.09 ± 4% +0.0 0.11 ± 4% perf-profile.self.cycles-pp.lock_timer_base 0.06 ± 7% +0.0 0.08 perf-profile.self.cycles-pp.tcp_stream_alloc_skb 0.08 ± 5% +0.0 0.10 perf-profile.self.cycles-pp.__inet_lookup_skb 0.12 ± 4% +0.0 0.14 ± 3% perf-profile.self.cycles-pp._raw_read_lock_irqsave 0.30 ± 2% +0.0 0.31 perf-profile.self.cycles-pp.fpregs_mark_activate 0.29 +0.0 0.31 perf-profile.self.cycles-pp.__restore_fpregs_from_user 0.06 ± 9% +0.0 0.08 ± 6% perf-profile.self.cycles-pp._find_first_bit 0.08 +0.0 0.10 ± 4% perf-profile.self.cycles-pp.ip_rcv 0.08 ± 5% +0.0 0.10 perf-profile.self.cycles-pp.inet_ehashfn 0.10 +0.0 0.12 ± 3% perf-profile.self.cycles-pp.validate_xmit_skb 0.11 +0.0 0.13 ± 2% perf-profile.self.cycles-pp.detach_if_pending 0.10 ± 4% +0.0 0.12 ± 3% perf-profile.self.cycles-pp.tcp_wfree 0.13 ± 4% +0.0 0.15 ± 2% perf-profile.self.cycles-pp.enqueue_to_backlog 0.08 ± 4% +0.0 0.10 perf-profile.self.cycles-pp.tcp_v4_do_rcv 0.17 ± 2% +0.0 0.19 perf-profile.self.cycles-pp.tcp_urg 0.13 ± 2% +0.0 0.15 ± 2% perf-profile.self.cycles-pp.try_charge_memcg 0.22 ± 2% +0.0 0.24 perf-profile.self.cycles-pp._raw_spin_lock 0.17 ± 2% +0.0 0.19 perf-profile.self.cycles-pp.native_sched_clock 0.08 ± 7% +0.0 0.10 ± 8% perf-profile.self.cycles-pp.xmit_one 0.11 ± 5% +0.0 0.13 perf-profile.self.cycles-pp.ip_send_check 0.08 ± 6% +0.0 0.10 ± 4% perf-profile.self.cycles-pp.kmalloc_reserve 0.06 ± 9% +0.0 0.08 ± 10% perf-profile.self.cycles-pp.netdev_core_pick_tx 0.12 ± 4% +0.0 0.14 ± 3% perf-profile.self.cycles-pp.send_sigurg 0.18 ± 5% +0.0 0.21 ± 3% perf-profile.self.cycles-pp.barn_replace_empty_sheaf 0.20 ± 3% +0.0 0.22 ± 2% perf-profile.self.cycles-pp.net_rx_action 0.34 ± 2% +0.0 0.36 ± 2% perf-profile.self.cycles-pp.prepare_signal 0.14 ± 2% +0.0 0.16 perf-profile.self.cycles-pp.process_backlog 0.18 ± 2% +0.0 0.20 perf-profile.self.cycles-pp.__sk_mem_raise_allocated 0.17 ± 2% +0.0 0.19 ± 2% perf-profile.self.cycles-pp.skb_defer_free_flush 0.37 +0.0 0.39 perf-profile.self.cycles-pp.copy_fpstate_to_sigframe 0.31 ± 2% +0.0 0.33 ± 2% perf-profile.self.cycles-pp.__send_signal_locked 0.06 ± 11% +0.0 0.09 ± 12% perf-profile.self.cycles-pp.eth_type_trans 0.26 +0.0 0.29 perf-profile.self.cycles-pp.sock_def_readable 0.18 ± 3% +0.0 0.21 perf-profile.self.cycles-pp.handle_softirqs 0.24 ± 2% +0.0 0.27 perf-profile.self.cycles-pp.rb_erase 0.62 ± 3% +0.0 0.65 perf-profile.self.cycles-pp.native_irq_return_iret 0.31 ± 3% +0.0 0.34 ± 3% perf-profile.self.cycles-pp.tcp_rearm_rto 0.22 ± 2% +0.0 0.25 ± 5% perf-profile.self.cycles-pp.mod_memcg_state 0.32 ± 2% +0.0 0.35 perf-profile.self.cycles-pp.skb_release_data 0.24 ± 2% +0.0 0.27 perf-profile.self.cycles-pp.skb_clone 0.27 ± 2% +0.0 0.30 perf-profile.self.cycles-pp.tcp_v4_rcv 0.51 +0.0 0.55 perf-profile.self.cycles-pp.__refill_objects_node 0.45 ± 5% +0.0 0.49 perf-profile.self.cycles-pp.kmem_cache_free 0.30 +0.0 0.34 ± 2% perf-profile.self.cycles-pp.rb_insert_color 0.32 ± 2% +0.0 0.36 perf-profile.self.cycles-pp.__mod_timer 0.22 ± 2% +0.0 0.26 ± 3% perf-profile.self.cycles-pp.tcp_schedule_loss_probe 0.20 ± 2% +0.0 0.24 ± 3% perf-profile.self.cycles-pp.complete_signal 0.33 ± 2% +0.0 0.37 perf-profile.self.cycles-pp.tcp_ack 0.26 ± 2% +0.0 0.30 perf-profile.self.cycles-pp.tcp_rcv_established 0.22 ± 4% +0.0 0.26 ± 2% perf-profile.self.cycles-pp.ip_rcv_core 0.20 ± 4% +0.0 0.25 ± 4% perf-profile.self.cycles-pp.tcp_data_queue 0.27 ± 2% +0.0 0.32 ± 3% perf-profile.self.cycles-pp.__netif_receive_skb_core 0.44 ± 3% +0.0 0.49 ± 2% perf-profile.self.cycles-pp.kmem_cache_alloc_node_noprof 0.30 ± 3% +0.0 0.35 perf-profile.self.cycles-pp.tcp_skb_entail 0.28 ± 3% +0.1 0.33 ± 3% perf-profile.self.cycles-pp.__inet_lookup_established 0.28 ± 3% +0.1 0.33 ± 2% perf-profile.self.cycles-pp.kfree_skbmem 0.59 ± 3% +0.1 0.64 ± 2% perf-profile.self.cycles-pp._raw_spin_unlock_irq 0.66 ± 2% +0.1 0.72 ± 3% perf-profile.self.cycles-pp.recalc_sigpending 0.42 ± 2% +0.1 0.49 ± 2% perf-profile.self.cycles-pp._find_next_bit 0.88 ± 3% +0.1 0.96 perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.93 ± 4% +0.1 1.03 perf-profile.self.cycles-pp.__ip_queue_xmit 0.80 ± 2% +0.1 0.90 perf-profile.self.cycles-pp.__tcp_transmit_skb 0.94 ± 2% +0.1 1.06 perf-profile.self.cycles-pp.__alloc_skb 1.15 ± 3% +0.1 1.30 ± 2% perf-profile.self.cycles-pp.tcp_event_new_data_sent 1.48 ± 4% +0.2 1.67 perf-profile.self.cycles-pp.__dev_queue_xmit 1.58 ± 3% +0.2 1.82 perf-profile.self.cycles-pp.tcp_clean_rtx_queue 4.38 ± 15% +1.3 5.66 ± 10% perf-profile.self.cycles-pp.dec_rlimit_put_ucounts 4.08 ± 15% +1.3 5.43 ± 11% perf-profile.self.cycles-pp.inc_rlimit_get_ucounts 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