# To display the perf.data header info, please use --header/--header-only options. # # # Total Lost Samples: 0 # # Samples: 120K of event 'random:prandom_u32' # Event count (approx.): 120473 # # Overhead Command Shared Object Symbol # ........ ............... ................. ............... # 59.67% netstress [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | |--33.21%--tcp_v4_connect | __inet_stream_connect | | | |--22.14%--inet_stream_connect | | __sys_connect | | __x64_sys_connect | | __noinstr_text_start | | entry_SYSCALL_64_after_hwframe | | __libc_connect | | 0x65736e7500632e73 | | | --11.07%--tcp_sendmsg_locked | tcp_sendmsg | __sys_sendto | __x64_sys_sendto | __noinstr_text_start | entry_SYSCALL_64_after_hwframe | __libc_sendto | |--16.61%--tcp_v6_connect | __inet_stream_connect | | | |--11.07%--inet_stream_connect | | __sys_connect | | __x64_sys_connect | | __noinstr_text_start | | entry_SYSCALL_64_after_hwframe | | __libc_connect | | 0x65736e7500632e73 | | | --5.54%--tcp_sendmsg_locked | tcp_sendmsg | __sys_sendto | __x64_sys_sendto | __noinstr_text_start | entry_SYSCALL_64_after_hwframe | __libc_sendto | |--6.64%--tcp_conn_request | tcp_rcv_state_process | | | |--3.35%--tcp_v4_do_rcv | | tcp_v4_rcv | | ip_protocol_deliver_rcu | | ip_local_deliver | | ip_rcv | | __netif_receive_skb | | process_backlog | | napi_poll | | net_rx_action | | __softirqentry_text_start | | asm_call_on_stack | | do_softirq_own_stack | | | | | |--2.05%--__irq_exit_rcu | | | | | | | --2.04%--sysvec_apic_timer_interrupt | | | asm_sysvec_apic_timer_interrupt | | | | | --1.30%--do_softirq | | __local_bh_enable_ip | | | | | --1.27%--ip_finish_output2 | | ip_output | | __ip_queue_xmit | | __tcp_transmit_skb | | | | | --1.20%--tcp_write_xmit | | | | | --1.02%--__tcp_push_pending_frames | | tcp_sendmsg_locked | | tcp_sendmsg | | | | | --0.63%--__sys_sendto | | __x64_sys_sendto | | __noinstr_text_start | | entry_SYSCALL_64_after_hwframe | | | --3.29%--tcp_v6_do_rcv | tcp_v6_rcv | ip6_protocol_deliver_rcu | ip6_input | ipv6_rcv | __netif_receive_skb | process_backlog | napi_poll | net_rx_action | __softirqentry_text_start | asm_call_on_stack | do_softirq_own_stack | | | |--2.02%--__irq_exit_rcu | | sysvec_apic_timer_interrupt | | asm_sysvec_apic_timer_interrupt | | | --1.28%--do_softirq | __local_bh_enable_ip | | | --1.23%--ip6_finish_output2 | ip6_output | ip6_xmit | inet6_csk_xmit | __tcp_transmit_skb | | | --1.14%--tcp_write_xmit | | | --0.98%--__tcp_push_pending_frames | tcp_sendmsg_locked | tcp_sendmsg | | | --0.60%--__sys_sendto | __x64_sys_sendto | __noinstr_text_start | entry_SYSCALL_64_after_hwframe | --3.19%--tcp_v4_syn_recv_sock tcp_v6_syn_recv_sock | --2.70%--tcp_try_fastopen tcp_conn_request tcp_rcv_state_process tcp_v4_do_rcv tcp_v4_rcv ip_protocol_deliver_rcu ip_local_deliver ip_rcv __netif_receive_skb process_backlog napi_poll net_rx_action __softirqentry_text_start asm_call_on_stack do_softirq_own_stack | |--1.71%--__irq_exit_rcu | | | --1.70%--sysvec_apic_timer_interrupt | asm_sysvec_apic_timer_interrupt | --0.99%--do_softirq __local_bh_enable_ip | --0.97%--ip_finish_output2 ip_output __ip_queue_xmit __tcp_transmit_skb | --0.92%--tcp_write_xmit | --0.78%--__tcp_push_pending_frames tcp_sendmsg_locked tcp_sendmsg 36.09% swapper [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | |--23.84%--tcp_conn_request | tcp_rcv_state_process | | | |--11.94%--tcp_v6_do_rcv | | tcp_v6_rcv | | ip6_protocol_deliver_rcu | | ip6_input | | ipv6_rcv | | __netif_receive_skb | | process_backlog | | napi_poll | | net_rx_action | | __softirqentry_text_start | | asm_call_on_stack | | do_softirq_own_stack | | __irq_exit_rcu | | sysvec_apic_timer_interrupt | | asm_sysvec_apic_timer_interrupt | | | | | |--10.49%--cpuidle_enter_state | | | cpuidle_enter | | | do_idle | | | cpu_startup_entry | | | | | | | |--7.92%--secondary_startup_64 | | | | | | | --2.57%--start_kernel | | | secondary_startup_64 | | | | | --0.92%--poll_idle | | cpuidle_enter_state | | cpuidle_enter | | do_idle | | cpu_startup_entry | | | | | --0.68%--secondary_startup_64 | | | --11.90%--tcp_v4_do_rcv | tcp_v4_rcv | ip_protocol_deliver_rcu | ip_local_deliver | ip_rcv | __netif_receive_skb | process_backlog | napi_poll | net_rx_action | __softirqentry_text_start | asm_call_on_stack | do_softirq_own_stack | __irq_exit_rcu | sysvec_apic_timer_interrupt | asm_sysvec_apic_timer_interrupt | | | |--10.61%--cpuidle_enter_state | | cpuidle_enter | | do_idle | | cpu_startup_entry | | | | | |--7.92%--secondary_startup_64 | | | | | --2.69%--start_kernel | | secondary_startup_64 | | | --0.78%--poll_idle | cpuidle_enter_state | cpuidle_enter | do_idle | cpu_startup_entry | | | --0.60%--secondary_startup_64 | --12.23%--tcp_v4_syn_recv_sock tcp_v6_syn_recv_sock | |--7.45%--tcp_try_fastopen | tcp_conn_request | tcp_rcv_state_process | tcp_v4_do_rcv | tcp_v4_rcv | ip_protocol_deliver_rcu | ip_local_deliver | ip_rcv | __netif_receive_skb | process_backlog | napi_poll | net_rx_action | __softirqentry_text_start | asm_call_on_stack | do_softirq_own_stack | __irq_exit_rcu | sysvec_apic_timer_interrupt | asm_sysvec_apic_timer_interrupt | | | --6.62%--cpuidle_enter_state | cpuidle_enter | do_idle | cpu_startup_entry | | | |--4.85%--secondary_startup_64 | | | --1.77%--start_kernel | secondary_startup_64 | --4.78%--tcp_check_req tcp_v4_rcv ip_protocol_deliver_rcu ip_local_deliver ip_rcv __netif_receive_skb process_backlog napi_poll net_rx_action __softirqentry_text_start asm_call_on_stack do_softirq_own_stack __irq_exit_rcu sysvec_apic_timer_interrupt asm_sysvec_apic_timer_interrupt | --4.53%--cpuidle_enter_state cpuidle_enter do_idle cpu_startup_entry | |--3.48%--secondary_startup_64 | --1.05%--start_kernel secondary_startup_64 0.92% ksoftirqd/3 [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | --0.59%--tcp_conn_request tcp_rcv_state_process 0.90% ksoftirqd/1 [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | --0.62%--tcp_conn_request tcp_rcv_state_process 0.84% ksoftirqd/0 [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | --0.56%--tcp_conn_request tcp_rcv_state_process 0.77% ksoftirqd/2 [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | --0.51%--tcp_conn_request tcp_rcv_state_process 0.17% kworker/3:7-eve [kernel.kallsyms] [k] prandom_u32 0.15% kworker/1:2-eve [kernel.kallsyms] [k] prandom_u32 0.14% kworker/2:0-eve [kernel.kallsyms] [k] prandom_u32 0.13% kworker/0:5-eve [kernel.kallsyms] [k] prandom_u32 0.07% Xorg [kernel.kallsyms] [k] prandom_u32 0.04% avahi-daemon [kernel.kallsyms] [k] prandom_u32 0.04% ip [kernel.kallsyms] [k] prandom_u32 0.02% perf [kernel.kallsyms] [k] prandom_u32 0.01% rcu_sched [kernel.kallsyms] [k] prandom_u32 0.00% kworker/u16:2-i [kernel.kallsyms] [k] prandom_u32 0.00% ltp-pan [kernel.kallsyms] [k] prandom_u32 0.00% awk [kernel.kallsyms] [k] prandom_u32 0.00% mktemp [kernel.kallsyms] [k] prandom_u32 0.00% mysqld [kernel.kallsyms] [k] prandom_u32 0.00% systemd-journal [kernel.kallsyms] [k] prandom_u32 0.00% NetworkManager [kernel.kallsyms] [k] prandom_u32 0.00% QDBusConnection [kernel.kallsyms] [k] prandom_u32 0.00% gdbus [kernel.kallsyms] [k] prandom_u32 0.00% jbd2/sdc2-8 [kernel.kallsyms] [k] prandom_u32 0.00% kded5 [kernel.kallsyms] [k] prandom_u32 0.00% kworker/2:2-eve [kernel.kallsyms] [k] prandom_u32 0.00% kworker/3:0-eve [kernel.kallsyms] [k] prandom_u32 0.00% runltp [kernel.kallsyms] [k] prandom_u32 0.00% tcp_fastopen_ru [kernel.kallsyms] [k] prandom_u32 0.00% gnome-software [kernel.kallsyms] [k] prandom_u32 0.00% irq/35-iwlwifi [kernel.kallsyms] [k] prandom_u32 0.00% kworker/u16:1-p [kernel.kallsyms] [k] prandom_u32 0.00% org_kde_powerde [kernel.kallsyms] [k] prandom_u32 0.00% pool-org.gnome. [kernel.kallsyms] [k] prandom_u32 0.00% tst_net_iface_p [kernel.kallsyms] [k] prandom_u32 0.00% upowerd [kernel.kallsyms] [k] prandom_u32 0.00% xdg-desktop-por [kernel.kallsyms] [k] prandom_u32 # Samples: 0 of event 'dummy:HG' # Event count (approx.): 0 # # Overhead Command Shared Object Symbol # ........ ....... ............. ...... # # # (Tip: Customize output of perf script with: perf script -F event,ip,sym) #