# 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.): 120542 # # Overhead Command Shared Object Symbol # ........ ............... ................. ............... # 59.66% netstress [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | |--33.20%--tcp_v4_connect | __inet_stream_connect | | | |--22.13%--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 | |--16.60%--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 | | | --5.53%--tcp_sendmsg_locked | tcp_sendmsg | __sys_sendto | __x64_sys_sendto | __noinstr_text_start | entry_SYSCALL_64_after_hwframe | __libc_sendto | |--6.69%--tcp_conn_request | tcp_rcv_state_process | | | |--3.41%--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 | | | | | |--2.15%--__irq_exit_rcu | | | sysvec_apic_timer_interrupt | | | asm_sysvec_apic_timer_interrupt | | | | | --1.26%--do_softirq | | __local_bh_enable_ip | | | | | --1.22%--ip6_finish_output2 | | ip6_output | | ip6_xmit | | inet6_csk_xmit | | __tcp_transmit_skb | | | | | --1.13%--tcp_write_xmit | | | | | --0.99%--__tcp_push_pending_frames | | tcp_sendmsg_locked | | tcp_sendmsg | | | | | --0.56%--__sys_sendto | | __x64_sys_sendto | | __noinstr_text_start | | entry_SYSCALL_64_after_hwframe | | | --3.27%--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 | | | |--1.94%--__irq_exit_rcu | | sysvec_apic_timer_interrupt | | asm_sysvec_apic_timer_interrupt | | | --1.33%--do_softirq | __local_bh_enable_ip | | | --1.29%--ip_finish_output2 | ip_output | __ip_queue_xmit | __tcp_transmit_skb | | | --1.21%--tcp_write_xmit | | | --1.02%--__tcp_push_pending_frames | tcp_sendmsg_locked | tcp_sendmsg | | | --0.67%--__sys_sendto | __x64_sys_sendto | __noinstr_text_start | entry_SYSCALL_64_after_hwframe | --3.16%--tcp_v4_syn_recv_sock tcp_v6_syn_recv_sock | --2.68%--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 | |--1.62%--__irq_exit_rcu | sysvec_apic_timer_interrupt | asm_sysvec_apic_timer_interrupt | --1.07%--do_softirq __local_bh_enable_ip | --1.03%--ip_finish_output2 ip_output __ip_queue_xmit __tcp_transmit_skb | --0.98%--tcp_write_xmit | --0.82%--__tcp_push_pending_frames tcp_sendmsg_locked tcp_sendmsg | --0.53%--__sys_sendto __x64_sys_sendto __noinstr_text_start entry_SYSCALL_64_after_hwframe 36.30% swapper [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | |--23.99%--tcp_conn_request | tcp_rcv_state_process | | | |--12.11%--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 | | | | | |--10.79%--cpuidle_enter_state | | | cpuidle_enter | | | do_idle | | | cpu_startup_entry | | | | | | | |--8.20%--secondary_startup_64 | | | | | | | --2.59%--start_kernel | | | secondary_startup_64 | | | | | --0.80%--poll_idle | | cpuidle_enter_state | | cpuidle_enter | | do_idle | | cpu_startup_entry | | | | | --0.62%--secondary_startup_64 | | | --11.88%--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 | | | |--10.46%--cpuidle_enter_state | | cpuidle_enter | | do_idle | | cpu_startup_entry | | | | | |--7.92%--secondary_startup_64 | | | | | --2.55%--start_kernel | | secondary_startup_64 | | | --0.89%--poll_idle | cpuidle_enter_state | cpuidle_enter | do_idle | cpu_startup_entry | | | --0.69%--secondary_startup_64 | --12.30%--tcp_v4_syn_recv_sock tcp_v6_syn_recv_sock | |--7.52%--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 | | | --6.67%--cpuidle_enter_state | cpuidle_enter | do_idle | cpu_startup_entry | | | |--4.94%--secondary_startup_64 | | | --1.73%--start_kernel | secondary_startup_64 | --4.79%--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 | --4.52%--cpuidle_enter_state cpuidle_enter do_idle cpu_startup_entry | |--3.59%--secondary_startup_64 | --0.93%--start_kernel secondary_startup_64 0.89% ksoftirqd/3 [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | --0.58%--tcp_conn_request tcp_rcv_state_process 0.87% ksoftirqd/1 [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | --0.58%--tcp_conn_request tcp_rcv_state_process 0.76% ksoftirqd/0 [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 | --0.52%--tcp_conn_request tcp_rcv_state_process 0.71% ksoftirqd/2 [kernel.kallsyms] [k] prandom_u32 | ---prandom_u32 prandom_u32 0.16% kworker/3:3-eve [kernel.kallsyms] [k] prandom_u32 0.14% kworker/1:2-eve [kernel.kallsyms] [k] prandom_u32 0.12% Xorg [kernel.kallsyms] [k] prandom_u32 0.12% kworker/0:5-eve [kernel.kallsyms] [k] prandom_u32 0.11% kworker/2:0-eve [kernel.kallsyms] [k] prandom_u32 0.03% avahi-daemon [kernel.kallsyms] [k] prandom_u32 0.03% ip [kernel.kallsyms] [k] prandom_u32 0.03% systemd-udevd [kernel.kallsyms] [k] prandom_u32 0.02% perf [kernel.kallsyms] [k] prandom_u32 0.01% rcu_sched [kernel.kallsyms] [k] prandom_u32 0.00% ltp-pan [kernel.kallsyms] [k] prandom_u32 0.00% NetworkManager [kernel.kallsyms] [k] prandom_u32 0.00% irq/35-iwlwifi [kernel.kallsyms] [k] prandom_u32 0.00% mktemp [kernel.kallsyms] [k] prandom_u32 0.00% mysqld [kernel.kallsyms] [k] prandom_u32 0.00% tcp_fastopen_ru [kernel.kallsyms] [k] prandom_u32 0.00% DiscoverNotifie [kernel.kallsyms] [k] prandom_u32 0.00% QSGRenderThread [kernel.kallsyms] [k] prandom_u32 0.00% kworker/1:0-eve [kernel.kallsyms] [k] prandom_u32 0.00% migration/3 [kernel.kallsyms] [k] prandom_u32 0.00% ns_create [kernel.kallsyms] [k] prandom_u32 0.00% ns_ifmove [kernel.kallsyms] [k] prandom_u32 0.00% runltp [kernel.kallsyms] [k] prandom_u32 0.00% QXcbEventQueue [kernel.kallsyms] [k] prandom_u32 0.00% Thread (pooled) [kernel.kallsyms] [k] prandom_u32 0.00% akonadi_followu [kernel.kallsyms] [k] prandom_u32 0.00% gnome-software [kernel.kallsyms] [k] prandom_u32 0.00% ln [kernel.kallsyms] [k] prandom_u32 0.00% mkdir [kernel.kallsyms] [k] prandom_u32 # Samples: 0 of event 'dummy:HG' # Event count (approx.): 0 # # Overhead Command Shared Object Symbol # ........ ....... ............. ...... # # # (Tip: Generate a script for your data: perf script -g ) #