Flame Graph Reset Zoom Search __ip_local_out (1 samples, 0.40%) inet_ehashfn (1 samples, 0.40%) sock_sendmsg (2 samples, 0.81%) skb_clone (1 samples, 0.40%) __netif_receive_skb (4 samples, 1.62%) ip_local_out (8 samples, 3.24%) ip_.. do_iter_readv_writev (1 samples, 0.40%) do_softirq_own_stack (1 samples, 0.40%) ipv4_mtu (1 samples, 0.40%) inet_recvmsg (3 samples, 1.21%) do_writev (19 samples, 7.69%) do_writev sk_reset_timer (1 samples, 0.40%) ip_finish_output (7 samples, 2.83%) ip.. __sk_dst_check (1 samples, 0.40%) ip_output (7 samples, 2.83%) ip.. tcmalloc::ThreadCache::ReleaseToCentralCache (1 samples, 0.40%) tcp_rcv_established (3 samples, 1.21%) sys_writev (8 samples, 3.24%) sys.. __libc_readv (5 samples, 2.02%) _.. tcp_transmit_skb (3 samples, 1.21%) release_sock (1 samples, 0.40%) __netif_receive_skb_core (1 samples, 0.40%) entry_SYSCALL_64_fastpath (2 samples, 0.81%) ip_queue_xmit (6 samples, 2.43%) ip.. tcp_send_delayed_ack (1 samples, 0.40%) tcp_push (7 samples, 2.83%) tc.. dev_queue_xmit_nit (1 samples, 0.40%) entry_SYSCALL_64_fastpath (8 samples, 3.24%) ent.. do_readv_writev (3 samples, 1.21%) ip_rcv (2 samples, 0.81%) __netif_receive_skb_core (3 samples, 1.21%) __softirqentry_text_start (2 samples, 0.81%) tcp_rcv_established (1 samples, 0.40%) sock_def_readable (1 samples, 0.40%) do_readv_writev (7 samples, 2.83%) do.. tcp_recvmsg (2 samples, 0.81%) tcp_push (12 samples, 4.86%) tcp_push ip_rcv (1 samples, 0.40%) vfs_writev (3 samples, 1.21%) ip_local_deliver (4 samples, 1.62%) __local_bh_enable_ip (4 samples, 1.62%) Envoy::Buffer::WatermarkBuffer::write (65 samples, 26.32%) Envoy::Buffer::WatermarkBuffer::write tcp_v4_do_rcv (1 samples, 0.40%) ip_rcv_finish (3 samples, 1.21%) __tcp_push_pending_frames (3 samples, 1.21%) sys_writev (13 samples, 5.26%) sys_wr.. ip_output (2 samples, 0.81%) __libc_writev (13 samples, 5.26%) __libc.. tcp_rcv_established (1 samples, 0.40%) sock_sendmsg (12 samples, 4.86%) sock_s.. Envoy::Network::ConnectionImpl::doWriteToSocket (98 samples, 39.68%) Envoy::Network::ConnectionImpl::doWriteToSocket copy_user_enhanced_fast_string (5 samples, 2.02%) c.. dev_gro_receive (1 samples, 0.40%) __wake_up_sync_key (3 samples, 1.21%) dev_queue_xmit (1 samples, 0.40%) entry_SYSCALL_64_fastpath (2 samples, 0.81%) tcp_rcv_established (2 samples, 0.81%) do_iter_readv_writev (1 samples, 0.40%) do_readv_writev (2 samples, 0.81%) do_readv_writev (12 samples, 4.86%) do_rea.. sock_sendmsg (2 samples, 0.81%) tcp_v4_rcv (4 samples, 1.62%) net_rx_action (1 samples, 0.40%) [libc-2.17.so] (1 samples, 0.40%) ip_queue_xmit (1 samples, 0.40%) ip_local_deliver_finish (3 samples, 1.21%) ip_output (6 samples, 2.43%) ip.. __netif_receive_skb (3 samples, 1.21%) do_readv_writev (5 samples, 2.02%) d.. sys_readv (5 samples, 2.02%) s.. ip_queue_xmit (3 samples, 1.21%) evbuffer_expand_fast_ (3 samples, 1.21%) __softirqentry_text_start (1 samples, 0.40%) netif_receive_skb_internal (1 samples, 0.40%) sock_read_iter (2 samples, 0.81%) do_readv_writev (15 samples, 6.07%) do_readv.. copy_user_enhanced_fast_string (1 samples, 0.40%) tcp_sendmsg (13 samples, 5.26%) tcp_se.. ip_finish_output2 (5 samples, 2.02%) i.. __netif_receive_skb (2 samples, 0.81%) ip_finish_output (4 samples, 1.62%) __libc_writev (8 samples, 3.24%) __l.. [unknown] (3 samples, 1.21%) __libc_readv (2 samples, 0.81%) do_readv (2 samples, 0.81%) __netif_receive_skb (4 samples, 1.62%) _raw_spin_lock_bh (1 samples, 0.40%) sock_def_readable (1 samples, 0.40%) ip_output (8 samples, 3.24%) ip_.. ipv4_dst_check (1 samples, 0.40%) tcp_sendmsg (11 samples, 4.45%) tcp_s.. tcp_recvmsg (1 samples, 0.40%) do_softirq (4 samples, 1.62%) [unknown] (19 samples, 7.69%) [unknown] skb_entail (1 samples, 0.40%) process_backlog (3 samples, 1.21%) __lock_text_start (1 samples, 0.40%) do_iter_readv_writev (2 samples, 0.81%) ip_finish_output (2 samples, 0.81%) __dev_queue_xmit (3 samples, 1.21%) ip_rcv_finish (2 samples, 0.81%) ip_output (1 samples, 0.40%) ip_finish_output2 (6 samples, 2.43%) ip.. copy_from_iter (1 samples, 0.40%) inet_sendmsg (2 samples, 0.81%) entry_SYSCALL_64_fastpath (19 samples, 7.69%) entry_SYSC.. entry_SYSCALL_64_fastpath (13 samples, 5.26%) entry_.. tcp_send_ack (1 samples, 0.40%) inet_recvmsg (1 samples, 0.40%) __GI___ioctl (1 samples, 0.40%) ip_finish_output2 (4 samples, 1.62%) do_writev (4 samples, 1.62%) inet_sendmsg (1 samples, 0.40%) ip_local_out (10 samples, 4.05%) ip_l.. sys_writev (1 samples, 0.40%) __tcp_ack_snd_check (1 samples, 0.40%) tcp_recvmsg (1 samples, 0.40%) sock_sendmsg (1 samples, 0.40%) copy_user_enhanced_fast_string (2 samples, 0.81%) do_readv_writev (19 samples, 7.69%) do_readv_w.. sys_writev (33 samples, 13.36%) sys_writev tcp_push_one (2 samples, 0.81%) tcp_transmit_skb (1 samples, 0.40%) fsnotify (1 samples, 0.40%) netif_rx_internal (1 samples, 0.40%) dev_hard_start_xmit (1 samples, 0.40%) ip_queue_xmit (1 samples, 0.40%) process_backlog (2 samples, 0.81%) do_softirq_own_stack (6 samples, 2.43%) do.. ip_local_deliver_finish (1 samples, 0.40%) do_writev (15 samples, 6.07%) do_writev __dev_queue_xmit (2 samples, 0.81%) copy_user_enhanced_fast_string (11 samples, 4.45%) copy_.. process_backlog (2 samples, 0.81%) Envoy::Network::ClientConnectionImpl::~ClientConnectionImpl (1 samples, 0.40%) ip_rcv_finish (3 samples, 1.21%) loopback_xmit (3 samples, 1.21%) do_writev (17 samples, 6.88%) do_writev do_readv_writev (17 samples, 6.88%) do_readv_.. __local_bh_enable_ip (1 samples, 0.40%) ip_local_deliver (3 samples, 1.21%) do_readv (2 samples, 0.81%) entry_SYSCALL_64_fastpath (2 samples, 0.81%) tcp_transmit_skb (6 samples, 2.43%) tc.. __netif_receive_skb_core (2 samples, 0.81%) tcp_sendmsg (17 samples, 6.88%) tcp_sendmsg sk_page_frag_refill (1 samples, 0.40%) __tcp_push_pending_frames (3 samples, 1.21%) tcp_transmit_skb (1 samples, 0.40%) sock_read_iter (3 samples, 1.21%) ip_rcv_finish (3 samples, 1.21%) ip_rcv (3 samples, 1.21%) __tcp_ack_snd_check (1 samples, 0.40%) __dev_queue_xmit (1 samples, 0.40%) sys_writev (15 samples, 6.07%) sys_writev queued_spin_lock_slowpath (1 samples, 0.40%) ip_local_deliver (1 samples, 0.40%) tcp_push (7 samples, 2.83%) tc.. do_iter_readv_writev (4 samples, 1.62%) sock_recvmsg (4 samples, 1.62%) xen_clocksource_read (1 samples, 0.40%) process_backlog (1 samples, 0.40%) do_readv (2 samples, 0.81%) __libc_writev (7 samples, 2.83%) __.. sys_readv (1 samples, 0.40%) __dev_queue_xmit (1 samples, 0.40%) ip_finish_output2 (1 samples, 0.40%) copy_user_enhanced_fast_string (2 samples, 0.81%) __skb_clone (1 samples, 0.40%) tcp_rcv_established (1 samples, 0.40%) ip_finish_output (1 samples, 0.40%) ip_rcv_finish (2 samples, 0.81%) pvclock_clocksource_read (1 samples, 0.40%) skb_release_all (1 samples, 0.40%) entry_SYSCALL_64_fastpath (1 samples, 0.40%) vfs_readv (3 samples, 1.21%) ip_finish_output (1 samples, 0.40%) do_softirq_own_stack (1 samples, 0.40%) __lock_text_start (1 samples, 0.40%) copy_from_iter (1 samples, 0.40%) vfs_writev (17 samples, 6.88%) vfs_writev evbuffer_get_length (1 samples, 0.40%) __softirqentry_text_start (1 samples, 0.40%) inet_sendmsg (6 samples, 2.43%) in.. evbuffer_drain (3 samples, 1.21%) sock_recvmsg (3 samples, 1.21%) do_softirq_own_stack (3 samples, 1.21%) netif_rx (1 samples, 0.40%) ip_finish_output (1 samples, 0.40%) __tcp_push_pending_frames (7 samples, 2.83%) __.. __tcp_v4_send_check (1 samples, 0.40%) __softirqentry_text_start (1 samples, 0.40%) sock_sendmsg (6 samples, 2.43%) so.. [unknown] (19 samples, 7.69%) [unknown] sk_stream_alloc_skb (1 samples, 0.40%) netif_rx (1 samples, 0.40%) tcp_v4_do_rcv (5 samples, 2.02%) t.. tcp_transmit_skb (1 samples, 0.40%) __tcp_push_pending_frames (8 samples, 3.24%) __t.. ip_finish_output2 (2 samples, 0.81%) ip_output (2 samples, 0.81%) skb_page_frag_refill (2 samples, 0.81%) ip_local_out (6 samples, 2.43%) ip.. Envoy::Network::ConnectionImpl::onFileEvent (164 samples, 66.40%) Envoy::Network::ConnectionImpl::onFileEvent tcp_write_xmit (1 samples, 0.40%) process_backlog (3 samples, 1.21%) dev_hard_start_xmit (1 samples, 0.40%) entry_SYSCALL_64_fastpath (3 samples, 1.21%) tcp_rcv_established (2 samples, 0.81%) net_rx_action (3 samples, 1.21%) tcp_transmit_skb (10 samples, 4.05%) tcp_.. tcp_rcv_established (1 samples, 0.40%) __lock_text_start (1 samples, 0.40%) process_backlog (1 samples, 0.40%) tcp_v4_rcv (2 samples, 0.81%) tcp_push (5 samples, 2.02%) t.. do_softirq_own_stack (1 samples, 0.40%) tcp_push (5 samples, 2.02%) t.. entry_SYSCALL_64_fastpath (1 samples, 0.40%) ip_local_out (1 samples, 0.40%) sock_def_readable (2 samples, 0.81%) do_softirq_own_stack (2 samples, 0.81%) __lock_text_start (1 samples, 0.40%) __lock_text_start (4 samples, 1.62%) tcp_write_xmit (10 samples, 4.05%) tcp_.. __libc_writev (2 samples, 0.81%) ip_finish_output2 (1 samples, 0.40%) do_iter_readv_writev (1 samples, 0.40%) tcp_stream_memory_free (1 samples, 0.40%) __lock_text_start (3 samples, 1.21%) do_softirq_own_stack (2 samples, 0.81%) ip_finish_output (1 samples, 0.40%) __tcp_push_pending_frames (1 samples, 0.40%) do_iter_readv_writev (3 samples, 1.21%) tcp_transmit_skb (1 samples, 0.40%) skb_entail (1 samples, 0.40%) tcp_send_delayed_ack (1 samples, 0.40%) ip_finish_output (5 samples, 2.02%) i.. tcp_v4_rcv (4 samples, 1.62%) sock_write_iter (13 samples, 5.26%) sock_w.. sock_write_iter (3 samples, 1.21%) ip_local_deliver (4 samples, 1.62%) ip_local_deliver (1 samples, 0.40%) process_backlog (3 samples, 1.21%) tcp_send_ack (1 samples, 0.40%) ip_local_deliver_finish (3 samples, 1.21%) ip_queue_xmit (1 samples, 0.40%) enqueue_to_backlog (1 samples, 0.40%) dev_hard_start_xmit (2 samples, 0.81%) do_softirq (2 samples, 0.81%) do_iter_readv_writev (17 samples, 6.88%) do_iter_r.. ip_rcv (6 samples, 2.43%) ip.. xen_hvm_callback_vector (1 samples, 0.40%) sock_def_readable (1 samples, 0.40%) tcp_v4_do_rcv (3 samples, 1.21%) __bpf_prog_run (1 samples, 0.40%) __alloc_pages_nodemask (1 samples, 0.40%) __dev_queue_xmit (4 samples, 1.62%) do_softirq (1 samples, 0.40%) do_iter_readv_writev (1 samples, 0.40%) net_rx_action (1 samples, 0.40%) inet_sendmsg (2 samples, 0.81%) sys_readv (1 samples, 0.40%) sk_filter_trim_cap (1 samples, 0.40%) sock_write_iter (3 samples, 1.21%) __lock_text_start (1 samples, 0.40%) ip_output (3 samples, 1.21%) tcp_data_queue (1 samples, 0.40%) __lock_text_start (1 samples, 0.40%) ip_output (1 samples, 0.40%) ip_local_deliver (3 samples, 1.21%) dev_queue_xmit (1 samples, 0.40%) ep_poll (1 samples, 0.40%) ip_rcv (3 samples, 1.21%) dev_hard_start_xmit (2 samples, 0.81%) vfs_writev (3 samples, 1.21%) skb_copy_datagram_iter (1 samples, 0.40%) __lock_text_start (2 samples, 0.81%) __libc_writev (6 samples, 2.43%) __.. ip_output (1 samples, 0.40%) ip_rcv_finish (5 samples, 2.02%) i.. sched_clock_cpu (1 samples, 0.40%) __GI___ioctl (1 samples, 0.40%) napi_gro_receive (1 samples, 0.40%) dev_queue_xmit (1 samples, 0.40%) tcp_write_xmit (1 samples, 0.40%) sys_writev (3 samples, 1.21%) ip_local_deliver (2 samples, 0.81%) __dev_queue_xmit (2 samples, 0.81%) tcp_write_xmit (7 samples, 2.83%) tc.. __local_bh_enable_ip (6 samples, 2.43%) __.. do_softirq_own_stack (2 samples, 0.81%) event_base_loop (189 samples, 76.52%) event_base_loop __local_bh_enable_ip (2 samples, 0.81%) dev_hard_start_xmit (1 samples, 0.40%) xen_evtchn_do_upcall (1 samples, 0.40%) dev_queue_xmit (1 samples, 0.40%) __netif_receive_skb (2 samples, 0.81%) sk_stream_alloc_skb (1 samples, 0.40%) Envoy::Network::ConnectionImpl::onWriteReady (141 samples, 57.09%) Envoy::Network::ConnectionImpl::onWriteReady do_readv_writev (2 samples, 0.81%) ip_queue_xmit (8 samples, 3.24%) ip_.. ip_finish_output (1 samples, 0.40%) entry_SYSCALL_64_fastpath (1 samples, 0.40%) do_writev (19 samples, 7.69%) do_writev ip_finish_output (8 samples, 3.24%) ip_.. sock_def_readable (4 samples, 1.62%) tcp_sendmsg (1 samples, 0.40%) tcp_transmit_skb (1 samples, 0.40%) Envoy::Network::FilterManagerImpl::onContinueReading (4 samples, 1.62%) process_backlog (4 samples, 1.62%) tcp_v4_rcv (1 samples, 0.40%) do_softirq (1 samples, 0.40%) sock_def_readable (1 samples, 0.40%) do_readv_writev (1 samples, 0.40%) ip_local_out (3 samples, 1.21%) epoll_dispatch (1 samples, 0.40%) __xfrm_policy_check2.constprop.43 (1 samples, 0.40%) vfs_writev (24 samples, 9.72%) vfs_writev __tcp_ack_snd_check (1 samples, 0.40%) ip_queue_xmit (1 samples, 0.40%) ip_queue_xmit (8 samples, 3.24%) ip_.. __tcp_ack_snd_check (1 samples, 0.40%) tcp_write_xmit (11 samples, 4.45%) tcp_w.. ip_finish_output2 (1 samples, 0.40%) tcp_v4_rcv (3 samples, 1.21%) ip_queue_xmit (4 samples, 1.62%) __libc_writev (1 samples, 0.40%) process_backlog (2 samples, 0.81%) tcp_v4_do_rcv (1 samples, 0.40%) process_backlog (5 samples, 2.02%) p.. __libc_readv (2 samples, 0.81%) ip_local_deliver_finish (1 samples, 0.40%) do_readv_writev (19 samples, 7.69%) do_readv_w.. [unknown] (1 samples, 0.40%) tcp_transmit_skb (1 samples, 0.40%) tcp_rcv_established (3 samples, 1.21%) __netif_receive_skb (1 samples, 0.40%) sock_read_iter (1 samples, 0.40%) tcp_rcv_established (2 samples, 0.81%) entry_SYSCALL_64_fastpath (2 samples, 0.81%) tcp_sendmsg (4 samples, 1.62%) Envoy::Network::ConnectionImplUtility::updateBufferStats (1 samples, 0.40%) loopback_xmit (1 samples, 0.40%) entry_SYSCALL_64_fastpath (13 samples, 5.26%) entry_.. tcp_transmit_skb (1 samples, 0.40%) do_writev (3 samples, 1.21%) [unknown] (36 samples, 14.57%) [unknown] process_backlog (5 samples, 2.02%) p.. tcp_push_one (1 samples, 0.40%) __skb_clone (1 samples, 0.40%) sock_write_iter (2 samples, 0.81%) xen_clocksource_get_cycles (1 samples, 0.40%) __netif_receive_skb (1 samples, 0.40%) tcp_transmit_skb (10 samples, 4.05%) tcp_.. do_readv_writev (8 samples, 3.24%) do_.. tcp_sendmsg (6 samples, 2.43%) tc.. _ZZN5Envoy6Thread6ThreadC4ESt8functionIFvvEEENUlPvE_4_FUNES5_ (211 samples, 85.43%) _ZZN5Envoy6Thread6ThreadC4ESt8functionIFvvEEENUlPvE_4_FUNES5_ __netif_receive_skb (6 samples, 2.43%) __.. skb_page_frag_refill (1 samples, 0.40%) ip_rcv_finish (3 samples, 1.21%) tcp_transmit_skb (7 samples, 2.83%) tc.. sock_recvmsg (2 samples, 0.81%) skb_clone (1 samples, 0.40%) __softirqentry_text_start (4 samples, 1.62%) entry_SYSCALL_64_fastpath (6 samples, 2.43%) en.. tcp_v4_do_rcv (2 samples, 0.81%) tcp_v4_do_rcv (3 samples, 1.21%) vfs_writev (2 samples, 0.81%) __lock_text_start (1 samples, 0.40%) ep_scan_ready_list.isra.10 (1 samples, 0.40%) net_rx_action (2 samples, 0.81%) tcp_sendmsg (1 samples, 0.40%) ip_local_deliver (2 samples, 0.81%) tcp_v4_do_rcv (1 samples, 0.40%) ip_local_deliver (1 samples, 0.40%) irq_exit (1 samples, 0.40%) security_socket_sendmsg (1 samples, 0.40%) entry_SYSCALL_64_fastpath (19 samples, 7.69%) entry_SYSC.. sys_writev (19 samples, 7.69%) sys_writev __wake_up_sync_key (1 samples, 0.40%) inet_recvmsg (2 samples, 0.81%) do_iter_readv_writev (32 samples, 12.96%) do_iter_readv_writev sk_reset_timer (1 samples, 0.40%) swiotlb_dma_mapping_error (1 samples, 0.40%) sys_writev (13 samples, 5.26%) sys_wr.. do_readv_writev (4 samples, 1.62%) copy_user_enhanced_fast_string (2 samples, 0.81%) ip_finish_output2 (4 samples, 1.62%) dev_queue_xmit (1 samples, 0.40%) ip_rcv (2 samples, 0.81%) do_writev (1 samples, 0.40%) __libc_readv (1 samples, 0.40%) tcp_recvmsg (4 samples, 1.62%) __alloc_skb (1 samples, 0.40%) __netif_receive_skb (3 samples, 1.21%) tcp_sendmsg (12 samples, 4.86%) tcp_se.. __netif_receive_skb_core (2 samples, 0.81%) entry_SYSCALL_64_fastpath (2 samples, 0.81%) __netif_receive_skb_core (3 samples, 1.21%) tcp_init_tso_segs (1 samples, 0.40%) do_readv_writev (2 samples, 0.81%) event_process_active_single_queue.isra.29 (167 samples, 67.61%) event_process_active_single_queue.isra.29 do_readv (1 samples, 0.40%) rw_verify_area (1 samples, 0.40%) ip_queue_xmit (4 samples, 1.62%) tcp_write_xmit (3 samples, 1.21%) tcp_init_tso_segs (1 samples, 0.40%) ip_local_out (2 samples, 0.81%) __kmalloc_reserve.isra.37 (1 samples, 0.40%) __kfree_skb (1 samples, 0.40%) sock_recvmsg (2 samples, 0.81%) loopback_xmit (1 samples, 0.40%) ip_rcv_finish (3 samples, 1.21%) tcp_tso_segs (1 samples, 0.40%) copy_from_iter (1 samples, 0.40%) __softirqentry_text_start (5 samples, 2.02%) _.. rw_verify_area (1 samples, 0.40%) sock_write_iter (7 samples, 2.83%) so.. [unknown] (3 samples, 1.21%) sock_write_iter (6 samples, 2.43%) so.. ip_local_out (1 samples, 0.40%) __release_sock (1 samples, 0.40%) event_active (18 samples, 7.29%) event_active sock_def_readable (1 samples, 0.40%) inet_sendmsg (8 samples, 3.24%) ine.. net_rx_action (5 samples, 2.02%) n.. tcp_write_xmit (7 samples, 2.83%) tc.. tcp_push (15 samples, 6.07%) tcp_push loopback_xmit (2 samples, 0.81%) lock_sock_nested (1 samples, 0.40%) do_softirq (4 samples, 1.62%) sock_read_iter (4 samples, 1.62%) tcp_sendmsg (8 samples, 3.24%) tcp.. do_softirq (3 samples, 1.21%) ip_local_out (2 samples, 0.81%) napi_gro_complete (1 samples, 0.40%) evbuffer_chain_new (3 samples, 1.21%) tcp_transmit_skb (10 samples, 4.05%) tcp_.. vfs_readv (2 samples, 0.81%) sched_clock_local (1 samples, 0.40%) tcp_v4_rcv (1 samples, 0.40%) vfs_writev (12 samples, 4.86%) vfs_wr.. sock_sendmsg (4 samples, 1.62%) sys_writev (4 samples, 1.62%) do_readv_writev (1 samples, 0.40%) irq_exit (1 samples, 0.40%) tcp_transmit_skb (2 samples, 0.81%) dev_queue_xmit (3 samples, 1.21%) Envoy::Event::FileEventImpl::assignEvents (164 samples, 66.40%) Envoy::Event::FileEventImpl::assignEvents tcp_sendmsg (15 samples, 6.07%) tcp_send.. ip_finish_output2 (1 samples, 0.40%) ip_output (4 samples, 1.62%) do_readv_writev (13 samples, 5.26%) do_rea.. do_softirq_own_stack (1 samples, 0.40%) __netif_receive_skb_core (1 samples, 0.40%) copy_user_enhanced_fast_string (2 samples, 0.81%) ip_queue_xmit (6 samples, 2.43%) ip.. tcp_send_delayed_ack (1 samples, 0.40%) copy_user_enhanced_fast_string (1 samples, 0.40%) dev_queue_xmit (1 samples, 0.40%) lock_timer_base (1 samples, 0.40%) sys_readv (2 samples, 0.81%) __local_bh_enable_ip (4 samples, 1.62%) ktime_get_with_offset (1 samples, 0.40%) tcp_transmit_skb (1 samples, 0.40%) __softirqentry_text_start (4 samples, 1.62%) skb_clone (1 samples, 0.40%) tcp_sendmsg (24 samples, 9.72%) tcp_sendmsg entry_SYSCALL_64_fastpath (3 samples, 1.21%) __wake_up_sync_key (1 samples, 0.40%) tcp_push (15 samples, 6.07%) tcp_push dev_hard_start_xmit (2 samples, 0.81%) copy_user_enhanced_fast_string (1 samples, 0.40%) Envoy::Filter::TcpProxy::onData (1 samples, 0.40%) ip_finish_output (10 samples, 4.05%) ip_f.. tcp_wfree (1 samples, 0.40%) __local_bh_enable_ip (4 samples, 1.62%) __put_page (1 samples, 0.40%) ip_local_out (7 samples, 2.83%) ip.. ip_local_deliver_finish (1 samples, 0.40%) ip_output (1 samples, 0.40%) ip_finish_output2 (6 samples, 2.43%) ip.. process_backlog (1 samples, 0.40%) do_readv (5 samples, 2.02%) d.. do_writev (24 samples, 9.72%) do_writev __netif_receive_skb_core (3 samples, 1.21%) ip_finish_output2 (7 samples, 2.83%) ip.. tcp_rcv_established (1 samples, 0.40%) tcp_sendmsg (27 samples, 10.93%) tcp_sendmsg ip_local_deliver (5 samples, 2.02%) i.. inet_sendmsg (15 samples, 6.07%) inet_sen.. copy_user_enhanced_fast_string (2 samples, 0.81%) ip_rcv (2 samples, 0.81%) ixgbevf_clean_rx_irq (1 samples, 0.40%) tcp_recvmsg (3 samples, 1.21%) tcp_v4_do_rcv (3 samples, 1.21%) dev_queue_xmit (4 samples, 1.62%) tcp_rcv_established (1 samples, 0.40%) [unknown] (3 samples, 1.21%) __netif_receive_skb_core (5 samples, 2.02%) _.. tcp_write_xmit (3 samples, 1.21%) __softirqentry_text_start (4 samples, 1.62%) ip_finish_output (8 samples, 3.24%) ip_.. __tcp_push_pending_frames (15 samples, 6.07%) __tcp_pu.. sock_def_readable (3 samples, 1.21%) tcp_nagle_check (1 samples, 0.40%) net_rx_action (4 samples, 1.62%) tcp_rcv_established (4 samples, 1.62%) ip_finish_output (2 samples, 0.81%) vfs_readv (1 samples, 0.40%) tcp_v4_do_rcv (3 samples, 1.21%) tcp_transmit_skb (1 samples, 0.40%) loopback_xmit (2 samples, 0.81%) netif_rx (1 samples, 0.40%) skb_put (1 samples, 0.40%) sched_clock_cpu (1 samples, 0.40%) tcp_v4_rcv (1 samples, 0.40%) __softirqentry_text_start (1 samples, 0.40%) net_rx_action (3 samples, 1.21%) tcp_transmit_skb (14 samples, 5.67%) tcp_tra.. net_rx_action (4 samples, 1.62%) tcp_rcv_established (1 samples, 0.40%) __lock_text_start (2 samples, 0.81%) xen_evtchn_do_upcall (1 samples, 0.40%) do_iter_readv_writev (24 samples, 9.72%) do_iter_readv_.. tcp_v4_do_rcv (4 samples, 1.62%) __tcp_push_pending_frames (11 samples, 4.45%) __tcp.. ip_finish_output2 (1 samples, 0.40%) entry_SYSCALL_64_fastpath (7 samples, 2.83%) en.. ip_finish_output2 (10 samples, 4.05%) ip_f.. __local_bh_enable_ip (2 samples, 0.81%) do_softirq (4 samples, 1.62%) vfs_readv (2 samples, 0.81%) ip_rcv_finish (1 samples, 0.40%) sys_writev (17 samples, 6.88%) sys_writev __netif_receive_skb_core (1 samples, 0.40%) tcp_sendmsg (3 samples, 1.21%) __wake_up_sync_key (1 samples, 0.40%) __free_pages_ok (1 samples, 0.40%) inet_recvmsg (1 samples, 0.40%) ip_local_deliver (2 samples, 0.81%) vfs_writev (13 samples, 5.26%) vfs_wr.. Envoy::Network::ConnectionImpl::write (1 samples, 0.40%) ip_rcv (4 samples, 1.62%) spdlog::logger::log<unsigned long> (1 samples, 0.40%) vfs_writev (7 samples, 2.83%) vf.. vfs_writev (6 samples, 2.43%) vf.. gettime (1 samples, 0.40%) tcp_v4_rcv (2 samples, 0.81%) do_softirq (1 samples, 0.40%) __softirqentry_text_start (2 samples, 0.81%) __tcp_push_pending_frames (1 samples, 0.40%) copy_user_enhanced_fast_string (1 samples, 0.40%) sock_def_readable (4 samples, 1.62%) ip_local_deliver_finish (3 samples, 1.21%) sk_free (1 samples, 0.40%) ip_queue_xmit (11 samples, 4.45%) ip_qu.. tcp_v4_rcv (3 samples, 1.21%) do_writev (12 samples, 4.86%) do_wri.. tcp_rcv_established (1 samples, 0.40%) sched_clock (1 samples, 0.40%) ip_finish_output2 (2 samples, 0.81%) __release_sock (1 samples, 0.40%) __wake_up_sync_key (1 samples, 0.40%) __libc_readv (2 samples, 0.81%) __netif_receive_skb (1 samples, 0.40%) alloc_pages_current (2 samples, 0.81%) clock_gettime (1 samples, 0.40%) tcp_v4_do_rcv (2 samples, 0.81%) tcp_tso_segs (1 samples, 0.40%) sock_sendmsg (15 samples, 6.07%) sock_sen.. tcp_rcv_established (1 samples, 0.40%) __softirqentry_text_start (1 samples, 0.40%) ip_local_out (8 samples, 3.24%) ip_.. start_thread (211 samples, 85.43%) start_thread __softirqentry_text_start (1 samples, 0.40%) __softirqentry_text_start (3 samples, 1.21%) vfs_readv (2 samples, 0.81%) [unknown] (3 samples, 1.21%) sock_sendmsg (8 samples, 3.24%) soc.. do_softirq (1 samples, 0.40%) ip_queue_xmit (10 samples, 4.05%) ip_q.. Envoy::Network::ConnectionImpl::write (21 samples, 8.50%) Envoy::Netwo.. __local_bh_enable_ip (5 samples, 2.02%) _.. do_iter_readv_writev (19 samples, 7.69%) do_iter_re.. vfs_writev (1 samples, 0.40%) ixgbevf_clean_rx_irq (1 samples, 0.40%) pvclock_clocksource_read (1 samples, 0.40%) vfs_writev (19 samples, 7.69%) vfs_writev do_readv (2 samples, 0.81%) __alloc_skb (1 samples, 0.40%) do_writev (2 samples, 0.81%) __netif_receive_skb_core (1 samples, 0.40%) do_iter_readv_writev (12 samples, 4.86%) do_ite.. sched_clock_cpu (1 samples, 0.40%) __copy_skb_header (1 samples, 0.40%) do_iter_readv_writev (8 samples, 3.24%) do_.. [unknown] (2 samples, 0.81%) __softirqentry_text_start (3 samples, 1.21%) ip_local_deliver_finish (4 samples, 1.62%) ip_output (4 samples, 1.62%) skb_release_data (1 samples, 0.40%) process_backlog (6 samples, 2.43%) pr.. vfs_writev (8 samples, 3.24%) vfs.. __skb_clone (1 samples, 0.40%) do_softirq_own_stack (5 samples, 2.02%) d.. ip_finish_output2 (1 samples, 0.40%) sock_write_iter (12 samples, 4.86%) sock_w.. [unknown] (17 samples, 6.88%) [unknown] _raw_spin_lock_bh (1 samples, 0.40%) net_rx_action (3 samples, 1.21%) entry_SYSCALL_64_fastpath (17 samples, 6.88%) entry_SYS.. net_rx_action (3 samples, 1.21%) sock_write_iter (24 samples, 9.72%) sock_write_iter ip_queue_xmit (1 samples, 0.40%) do_softirq_own_stack (1 samples, 0.40%) sock_def_readable (1 samples, 0.40%) do_iter_readv_writev (2 samples, 0.81%) mod_timer (1 samples, 0.40%) tcp_push (8 samples, 3.24%) tcp.. sk_free (1 samples, 0.40%) inet_sendmsg (13 samples, 5.26%) inet_s.. __libc_disable_asynccancel (1 samples, 0.40%) ip_local_out (1 samples, 0.40%) spdlog::logger::log<unsigned long, unsigned long> (1 samples, 0.40%) sock_write_iter (1 samples, 0.40%) __libc_writev (3 samples, 1.21%) netif_rx_internal (1 samples, 0.40%) entry_SYSCALL_64_fastpath (1 samples, 0.40%) tcp_rcv_established (4 samples, 1.62%) ip_output (2 samples, 0.81%) __pv_queued_spin_lock_slowpath (1 samples, 0.40%) dev_hard_start_xmit (1 samples, 0.40%) sched_clock (1 samples, 0.40%) ip_finish_output2 (1 samples, 0.40%) ip_finish_output (6 samples, 2.43%) ip.. __release_sock (1 samples, 0.40%) do_writev (6 samples, 2.43%) do.. ip_local_deliver_finish (3 samples, 1.21%) netif_rx_internal (1 samples, 0.40%) ip_queue_xmit (2 samples, 0.81%) __kfree_skb (1 samples, 0.40%) ip_local_deliver (2 samples, 0.81%) __wake_up_sync_key (1 samples, 0.40%) tcp_write_xmit (10 samples, 4.05%) tcp_.. __dev_queue_xmit (1 samples, 0.40%) vfs_readv (5 samples, 2.02%) v.. __local_bh_enable_ip (1 samples, 0.40%) sock_def_readable (2 samples, 0.81%) sys_readv (2 samples, 0.81%) __softirqentry_text_start (4 samples, 1.62%) ip_queue_xmit (2 samples, 0.81%) __tcp_push_pending_frames (2 samples, 0.81%) inet_sendmsg (12 samples, 4.86%) inet_s.. tcp_rcv_established (1 samples, 0.40%) tcp_rcv_established (2 samples, 0.81%) net_rx_action (6 samples, 2.43%) ne.. ip_finish_output2 (6 samples, 2.43%) ip.. bictcp_cwnd_event (1 samples, 0.40%) evbuffer_expand_fast_ (12 samples, 4.86%) evbuff.. tcp_v4_do_rcv (1 samples, 0.40%) __local_bh_enable_ip (1 samples, 0.40%) inet_sendmsg (12 samples, 4.86%) inet_s.. ip_local_out (1 samples, 0.40%) sock_sendmsg (32 samples, 12.96%) sock_sendmsg eth_type_trans (1 samples, 0.40%) [unknown] (1 samples, 0.40%) __libc_writev (19 samples, 7.69%) __libc_wri.. __libc_writev (24 samples, 9.72%) __libc_writev copy_user_enhanced_fast_string (5 samples, 2.02%) c.. ip_local_deliver_finish (2 samples, 0.81%) tcp_transmit_skb (6 samples, 2.43%) tc.. tcp_transmit_skb (1 samples, 0.40%) do_readv (2 samples, 0.81%) do_writev (13 samples, 5.26%) do_wri.. do_readv (1 samples, 0.40%) ip_finish_output2 (3 samples, 1.21%) skb_clone (1 samples, 0.40%) Envoy::Network::FilterManagerImpl::onWrite (1 samples, 0.40%) ip_local_deliver (1 samples, 0.40%) skb_copy_datagram_iter (2 samples, 0.81%) __lock_text_start (1 samples, 0.40%) sys_writev (24 samples, 9.72%) sys_writev tcp_write_xmit (6 samples, 2.43%) tc.. packet_rcv (1 samples, 0.40%) __netif_receive_skb_core (1 samples, 0.40%) free_compound_page (1 samples, 0.40%) rw_copy_check_uvector (1 samples, 0.40%) tcp_v4_rcv (3 samples, 1.21%) sock_def_readable (1 samples, 0.40%) net_rx_action (2 samples, 0.81%) ip_rcv_finish (1 samples, 0.40%) sys_readv (2 samples, 0.81%) __release_sock (1 samples, 0.40%) ip_local_out (1 samples, 0.40%) copy_user_enhanced_fast_string (4 samples, 1.62%) ip_finish_output (6 samples, 2.43%) ip.. arch_local_irq_save (1 samples, 0.40%) _raw_spin_lock (1 samples, 0.40%) __sk_dst_check (1 samples, 0.40%) do_softirq (1 samples, 0.40%) ip_local_out (2 samples, 0.81%) tcp_v4_do_rcv (1 samples, 0.40%) do_softirq_own_stack (4 samples, 1.62%) xen_evtchn_do_upcall (1 samples, 0.40%) tcp_push (1 samples, 0.40%) tcp_sendmsg (17 samples, 6.88%) tcp_sendmsg do_iter_readv_writev (6 samples, 2.43%) do.. tcp_transmit_skb (3 samples, 1.21%) dev_queue_xmit (1 samples, 0.40%) event_queue_remove_active (1 samples, 0.40%) __dev_queue_xmit (1 samples, 0.40%) __local_bh_enable_ip (1 samples, 0.40%) __softirqentry_text_start (2 samples, 0.81%) __alloc_skb (1 samples, 0.40%) do_iter_readv_writev (2 samples, 0.81%) skb_release_all (1 samples, 0.40%) __local_bh_enable_ip (3 samples, 1.21%) tcp_write_xmit (1 samples, 0.40%) __libc_writev (15 samples, 6.07%) __libc_w.. tcp_v4_rcv (1 samples, 0.40%) tcp_wfree (1 samples, 0.40%) vfs_writev (13 samples, 5.26%) vfs_wr.. tcp_transmit_skb (7 samples, 2.83%) tc.. sys_readv (2 samples, 0.81%) __netif_receive_skb (1 samples, 0.40%) __skb_clone (1 samples, 0.40%) evbuffer_read (3 samples, 1.21%) netif_rx_internal (1 samples, 0.40%) do_readv (3 samples, 1.21%) sock_write_iter (32 samples, 12.96%) sock_write_iter tcp_push (7 samples, 2.83%) tc.. inet_sendmsg (19 samples, 7.69%) inet_sendmsg ip_local_deliver (3 samples, 1.21%) entry_SYSCALL_64_fastpath (4 samples, 1.62%) __softirqentry_text_start (1 samples, 0.40%) tcp_transmit_skb (1 samples, 0.40%) sys_writev (2 samples, 0.81%) tcp_transmit_skb (10 samples, 4.05%) tcp_.. do_readv_writev (2 samples, 0.81%) ip_output (1 samples, 0.40%) [unknown] (3 samples, 1.21%) release_sock (1 samples, 0.40%) __lock_text_start (1 samples, 0.40%) __netif_receive_skb (2 samples, 0.81%) ip_local_deliver_finish (3 samples, 1.21%) ip_queue_xmit (1 samples, 0.40%) sys_readv (3 samples, 1.21%) __ip_local_out (1 samples, 0.40%) skb_entail (3 samples, 1.21%) do_readv_writev (13 samples, 5.26%) do_rea.. tcp_write_xmit (5 samples, 2.02%) t.. skb_clone (1 samples, 0.40%) inet_sendmsg (17 samples, 6.88%) inet_send.. __libc_readv (2 samples, 0.81%) tcp_v4_rcv (2 samples, 0.81%) sys_writev (7 samples, 2.83%) sy.. do_readv_writev (33 samples, 13.36%) do_readv_writev pthread_mutex_unlock (1 samples, 0.40%) tcp_write_xmit (1 samples, 0.40%) tcp_v4_do_rcv (1 samples, 0.40%) mod_timer (1 samples, 0.40%) ip_local_deliver_finish (1 samples, 0.40%) ip_rcv_finish (1 samples, 0.40%) __put_compound_page (1 samples, 0.40%) tcp_v4_do_rcv (2 samples, 0.81%) ip_finish_output2 (1 samples, 0.40%) inet_sendmsg (32 samples, 12.96%) inet_sendmsg __local_bh_enable_ip (6 samples, 2.43%) __.. __netif_receive_skb (5 samples, 2.02%) _.. ip_queue_xmit (7 samples, 2.83%) ip.. sock_write_iter (19 samples, 7.69%) sock_write.. do_readv_writev (24 samples, 9.72%) do_readv_writev inet_recvmsg (2 samples, 0.81%) loopback_xmit (1 samples, 0.40%) sock_write_iter (19 samples, 7.69%) sock_write.. ktime_get_with_offset (1 samples, 0.40%) evbuffer_write_atmost (1 samples, 0.40%) __tcp_ack_snd_check (1 samples, 0.40%) __libc_readv (2 samples, 0.81%) tcp_rcv_established (1 samples, 0.40%) do_softirq (3 samples, 1.21%) do_iter_readv_writev (1 samples, 0.40%) __netif_receive_skb_core (2 samples, 0.81%) __local_bh_enable_ip (1 samples, 0.40%) tcp_write_xmit (2 samples, 0.81%) tcp_v4_do_rcv (2 samples, 0.81%) ip_local_out (5 samples, 2.02%) i.. sock_write_iter (15 samples, 6.07%) sock_wri.. tcp_v4_rcv (3 samples, 1.21%) ip_finish_output2 (8 samples, 3.24%) ip_.. ip_finish_output (3 samples, 1.21%) ip_local_deliver_finish (2 samples, 0.81%) __libc_readv (2 samples, 0.81%) do_softirq_own_stack (6 samples, 2.43%) do.. do_softirq_own_stack (4 samples, 1.62%) ip_finish_output2 (1 samples, 0.40%) get_page_from_freelist (1 samples, 0.40%) __tcp_push_pending_frames (10 samples, 4.05%) __tc.. ip_finish_output (1 samples, 0.40%) tcp_v4_send_check (1 samples, 0.40%) tcp_v4_rcv (5 samples, 2.02%) t.. sys_writev (12 samples, 4.86%) sys_wr.. net_rx_action (1 samples, 0.40%) sock_sendmsg (3 samples, 1.21%) epoll_dispatch (1 samples, 0.40%) do_readv_writev (1 samples, 0.40%) sock_sendmsg (12 samples, 4.86%) sock_s.. copy_user_enhanced_fast_string (3 samples, 1.21%) __local_bh_enable_ip (4 samples, 1.62%) __sk_flush_backlog (1 samples, 0.40%) inet_recvmsg (1 samples, 0.40%) Envoy::Filter::TcpProxy::onData (3 samples, 1.21%) tcp_write_xmit (4 samples, 1.62%) __kfree_skb (1 samples, 0.40%) sock_read_iter (2 samples, 0.81%) validate_xmit_skb (1 samples, 0.40%) dev_hard_start_xmit (3 samples, 1.21%) ip_finish_output (4 samples, 1.62%) sk_page_frag_refill (1 samples, 0.40%) vfs_writev (15 samples, 6.07%) vfs_writev xen_clocksource_get_cycles (1 samples, 0.40%) ip_rcv_finish (4 samples, 1.62%) ip_local_out (8 samples, 3.24%) ip_.. dev_hard_start_xmit (1 samples, 0.40%) sock_write_iter (1 samples, 0.40%) __netif_receive_skb (3 samples, 1.21%) sock_recvmsg (1 samples, 0.40%) __libc_writev (2 samples, 0.81%) tcp_write_xmit (1 samples, 0.40%) ip_local_deliver (3 samples, 1.21%) entry_SYSCALL_64_fastpath (24 samples, 9.72%) entry_SYSCALL_.. entry_SYSCALL_64_fastpath (33 samples, 13.36%) entry_SYSCALL_64_fas.. ip_rcv_finish (2 samples, 0.81%) do_softirq (6 samples, 2.43%) do.. sys_readv (2 samples, 0.81%) sch_direct_xmit (1 samples, 0.40%) evbuffer_write_atmost (36 samples, 14.57%) evbuffer_write_atmost do_iter_readv_writev (4 samples, 1.62%) vfs_writev (33 samples, 13.36%) vfs_writev ip_queue_xmit (9 samples, 3.64%) ip_q.. skb_copy_datagram_iter (1 samples, 0.40%) tcp_push_one (1 samples, 0.40%) dev_hard_start_xmit (2 samples, 0.81%) tcp_v4_do_rcv (1 samples, 0.40%) tcp_nagle_check (1 samples, 0.40%) __lock_text_start (1 samples, 0.40%) ip_rcv (1 samples, 0.40%) do_writev (33 samples, 13.36%) do_writev vfs_writev (4 samples, 1.62%) ip_local_deliver_finish (5 samples, 2.02%) i.. __netif_receive_skb (1 samples, 0.40%) inet_sendmsg (18 samples, 7.29%) inet_sendmsg __wake_up_sync_key (1 samples, 0.40%) tcp_recvmsg (1 samples, 0.40%) tcp_queue_rcv (1 samples, 0.40%) tcp_rcv_established (1 samples, 0.40%) do_readv_writev (1 samples, 0.40%) ip_local_out (1 samples, 0.40%) ip_rcv (4 samples, 1.62%) inet_sendmsg (3 samples, 1.21%) tcp_push (1 samples, 0.40%) sock_read_iter (1 samples, 0.40%) release_sock (1 samples, 0.40%) tcp_write_xmit (7 samples, 2.83%) tc.. tcp_schedule_loss_probe (1 samples, 0.40%) sock_sendmsg (13 samples, 5.26%) sock_s.. copy_user_enhanced_fast_string (1 samples, 0.40%) inet_sendmsg (4 samples, 1.62%) do_iter_readv_writev (15 samples, 6.07%) do_iter_.. ip_rcv_finish (2 samples, 0.81%) tcp_ack (1 samples, 0.40%) sys_writev (3 samples, 1.21%) ip_local_deliver_finish (4 samples, 1.62%) event_changelist_remove_all_ (1 samples, 0.40%) ixgbevf_poll (1 samples, 0.40%) tcp_wfree (1 samples, 0.40%) dev_queue_xmit (4 samples, 1.62%) skb_release_data (1 samples, 0.40%) do_iter_readv_writev (3 samples, 1.21%) ip_output (6 samples, 2.43%) ip.. tcp_push_one (1 samples, 0.40%) sched_clock_local (1 samples, 0.40%) ip_output (1 samples, 0.40%) do_softirq (4 samples, 1.62%) sk_stream_alloc_skb (1 samples, 0.40%) Envoy::Network::ConnectionImpl::getReadBuffer (1 samples, 0.40%) do_iter_readv_writev (7 samples, 2.83%) do.. do_iter_readv_writev (19 samples, 7.69%) do_iter_re.. tcp_recvmsg (2 samples, 0.81%) sk_stream_alloc_skb (1 samples, 0.40%) envoy (247 samples, 100.00%) envoy __libc_writev (4 samples, 1.62%) sock_write_iter (8 samples, 3.24%) soc.. sock_recvmsg (1 samples, 0.40%) __libc_writev (12 samples, 4.86%) __libc.. __tcp_push_pending_frames (5 samples, 2.02%) _.. ksize (1 samples, 0.40%) __wake_up_sync_key (2 samples, 0.81%) __netif_receive_skb (4 samples, 1.62%) tcp_event_data_recv (1 samples, 0.40%) irq_exit (1 samples, 0.40%) copy_user_enhanced_fast_string (1 samples, 0.40%) enqueue_to_backlog (1 samples, 0.40%) __wake_up_sync_key (1 samples, 0.40%) Envoy::Network::ConnectionImpl::onReadReady (16 samples, 6.48%) Envoy::N.. copy_user_enhanced_fast_string (4 samples, 1.62%) __dev_queue_xmit (1 samples, 0.40%) tcp_write_xmit (14 samples, 5.67%) tcp_wri.. netif_rx (1 samples, 0.40%) do_iter_readv_writev (12 samples, 4.86%) do_ite.. sock_recvmsg (1 samples, 0.40%) vfs_readv (1 samples, 0.40%) sock_def_readable (1 samples, 0.40%) tcp_push (3 samples, 1.21%) entry_SYSCALL_64_fastpath (3 samples, 1.21%) dev_queue_xmit (2 samples, 0.81%) tcp_v4_rcv (3 samples, 1.21%) tcp_push (2 samples, 0.81%) sock_sendmsg (24 samples, 9.72%) sock_sendmsg tcp_rcv_established (1 samples, 0.40%) __netif_receive_skb_core (4 samples, 1.62%) evbuffer_chain_new (12 samples, 4.86%) evbuff.. vfs_writev (19 samples, 7.69%) vfs_writev ip_output (8 samples, 3.24%) ip_.. do_softirq (5 samples, 2.02%) d.. __local_bh_enable_ip (3 samples, 1.21%) do_iter_readv_writev (13 samples, 5.26%) do_ite.. ixgbevf_poll (1 samples, 0.40%) import_iovec (1 samples, 0.40%) do_softirq_own_stack (4 samples, 1.62%) tcp_v4_do_rcv (1 samples, 0.40%) ip_local_out (1 samples, 0.40%) __lock_text_start (2 samples, 0.81%) ip_finish_output (6 samples, 2.43%) ip.. __lock_text_start (4 samples, 1.62%) all (247 samples, 100%) loopback_xmit (2 samples, 0.81%) tcp_v4_rcv (1 samples, 0.40%) Envoy::Network::ConnectionImplUtility::updateBufferStats (1 samples, 0.40%) sch_direct_xmit (1 samples, 0.40%) xen_hvm_callback_vector (1 samples, 0.40%) __libc_writev (3 samples, 1.21%) netif_rx_internal (1 samples, 0.40%) __netif_receive_skb_core (4 samples, 1.62%) vfs_readv (2 samples, 0.81%) Envoy::Network::ConnectionImpl::~ConnectionImpl (2 samples, 0.81%) ip_rcv (2 samples, 0.81%) tcp_write_xmit (2 samples, 0.81%) [unknown] (2 samples, 0.81%) ip_rcv (3 samples, 1.21%) __tcp_push_pending_frames (12 samples, 4.86%) __tcp_.. ip_local_deliver_finish (2 samples, 0.81%) tcp_write_xmit (15 samples, 6.07%) tcp_writ.. do_writev (13 samples, 5.26%) do_wri.. do_iter_readv_writev (3 samples, 1.21%) do_softirq_own_stack (4 samples, 1.62%) tcp_write_xmit (1 samples, 0.40%) evbuffer_drain (3 samples, 1.21%) process_backlog (1 samples, 0.40%) entry_SYSCALL_64_fastpath (15 samples, 6.07%) entry_SY.. __softirqentry_text_start (6 samples, 2.43%) __.. __wake_up_sync_key (4 samples, 1.62%) ip_output (8 samples, 3.24%) ip_.. __wake_up_sync_key (2 samples, 0.81%) do_writev (7 samples, 2.83%) do.. copy_user_enhanced_fast_string (4 samples, 1.62%) sys_writev (2 samples, 0.81%) ip_local_deliver (3 samples, 1.21%) ip_rcv (3 samples, 1.21%) net_rx_action (1 samples, 0.40%) __tcp_push_pending_frames (5 samples, 2.02%) _.. sock_sendmsg (17 samples, 6.88%) sock_send.. xen_clocksource_read (1 samples, 0.40%) [unknown] (2 samples, 0.81%) __softirqentry_text_start (6 samples, 2.43%) __.. pvclock_clocksource_read (1 samples, 0.40%) __local_bh_enable_ip (2 samples, 0.81%) __libc_writev (33 samples, 13.36%) __libc_writev dev_queue_xmit (3 samples, 1.21%) __skb_clone (1 samples, 0.40%) __netif_receive_skb_core (4 samples, 1.62%) skb_entail (1 samples, 0.40%) sock_sendmsg (7 samples, 2.83%) so.. ktime_get_with_offset (1 samples, 0.40%) ip_rcv (1 samples, 0.40%) sk_page_frag_refill (2 samples, 0.81%) tcp_send_ack (1 samples, 0.40%) ip_local_out (6 samples, 2.43%) ip.. __tcp_push_pending_frames (7 samples, 2.83%) __.. entry_SYSCALL_64_fastpath (2 samples, 0.81%) inet_recvmsg (2 samples, 0.81%) entry_SYSCALL_64_fastpath (5 samples, 2.02%) e.. process_backlog (4 samples, 1.62%) net_rx_action (5 samples, 2.02%) n.. __inet_lookup_established (1 samples, 0.40%) __libc_writev (13 samples, 5.26%) __libc.. Envoy::Network::ConnectionImpl::doReadFromSocket (7 samples, 2.83%) En.. sock_write_iter (17 samples, 6.88%) sock_writ.. do_writev (8 samples, 3.24%) do_.. inet_sendmsg (24 samples, 9.72%) inet_sendmsg do_readv_writev (3 samples, 1.21%) netif_rx (2 samples, 0.81%) __netif_receive_skb_core (6 samples, 2.43%) __.. __dev_queue_xmit (3 samples, 1.21%) entry_SYSCALL_64_fastpath (12 samples, 4.86%) entry_.. do_softirq (2 samples, 0.81%) sys_epoll_wait (1 samples, 0.40%) __wake_up_sync_key (2 samples, 0.81%) ip_output (10 samples, 4.05%) ip_o.. sock_def_readable (2 samples, 0.81%) __libc_writev (17 samples, 6.88%) __libc_wr.. sock_write_iter (12 samples, 4.86%) sock_w.. do_iter_readv_writev (2 samples, 0.81%) ip_finish_output2 (1 samples, 0.40%) do_softirq_own_stack (3 samples, 1.21%) import_iovec (1 samples, 0.40%) do_readv_writev (6 samples, 2.43%) do.. do_writev (3 samples, 1.21%) do_readv_writev (2 samples, 0.81%) __netif_receive_skb_core (2 samples, 0.81%) net_rx_action (1 samples, 0.40%) __softirqentry_text_start (1 samples, 0.40%) tc_deletearray_nothrow (2 samples, 0.81%) sock_recvmsg (2 samples, 0.81%) do_readv_writev (3 samples, 1.21%) __netif_receive_skb (2 samples, 0.81%) ip_output (5 samples, 2.02%) i.. ip_rcv_finish (4 samples, 1.62%) pthread_mutex_unlock (1 samples, 0.40%) process_backlog (2 samples, 0.81%) tcp_rate_check_app_limited (1 samples, 0.40%) tcp_push_one (1 samples, 0.40%) ip_rcv (4 samples, 1.62%) inet_sendmsg (7 samples, 2.83%) in.. tcp_v4_do_rcv (1 samples, 0.40%) tcp_v4_do_rcv (1 samples, 0.40%) skb_release_data (1 samples, 0.40%) entry_SYSCALL_64_fastpath (1 samples, 0.40%) tcp_sendmsg (18 samples, 7.29%) tcp_sendmsg __alloc_skb (1 samples, 0.40%) __libc_writev (19 samples, 7.69%) __libc_wri.. ip_rcv_finish (1 samples, 0.40%) do_softirq (6 samples, 2.43%) do.. [unknown] (3 samples, 1.21%) dev_queue_xmit (2 samples, 0.81%) ip_local_deliver_finish (2 samples, 0.81%) [unknown] (3 samples, 1.21%) skb_copy_datagram_iter (1 samples, 0.40%) xen_hvm_callback_vector (1 samples, 0.40%) __dev_queue_xmit (1 samples, 0.40%) sock_sendmsg (18 samples, 7.29%) sock_sendmsg __dev_queue_xmit (3 samples, 1.21%) ip_queue_xmit (3 samples, 1.21%) tcp_recvmsg (2 samples, 0.81%) ip_finish_output (1 samples, 0.40%) __wake_up_sync_key (4 samples, 1.62%) __copy_skb_header (1 samples, 0.40%) ip_finish_output2 (8 samples, 3.24%) ip_.. tcmalloc::CentralFreeList::InsertRange (1 samples, 0.40%) Envoy::Server::WorkerImpl::threadRoutine (211 samples, 85.43%) Envoy::Server::WorkerImpl::threadRoutine __tcp_push_pending_frames (15 samples, 6.07%) __tcp_pu.. vfs_readv (2 samples, 0.81%) loopback_xmit (2 samples, 0.81%) __wake_up_sync_key (1 samples, 0.40%) copy_user_enhanced_fast_string (1 samples, 0.40%) sock_write_iter (4 samples, 1.62%) ip_rcv (1 samples, 0.40%) ip_output (1 samples, 0.40%) __wake_up_sync_key (1 samples, 0.40%) do_softirq (2 samples, 0.81%) ip_finish_output (1 samples, 0.40%) ip_local_out (4 samples, 1.62%) __fsnotify_parent (1 samples, 0.40%) [unknown] (3 samples, 1.21%) tcp_push (11 samples, 4.45%) tcp_p.. tcp_push (10 samples, 4.05%) tcp_.. sock_sendmsg (1 samples, 0.40%) inet_sendmsg (1 samples, 0.40%) __kmalloc_node_track_caller (1 samples, 0.40%) do_iter_readv_writev (1 samples, 0.40%) vfs_writev (2 samples, 0.81%) entry_SYSCALL_64_fastpath (2 samples, 0.81%) net_rx_action (2 samples, 0.81%) entry_SYSCALL_64_fastpath (2 samples, 0.81%) tc_malloc (1 samples, 0.40%) ip_queue_xmit (1 samples, 0.40%) tcp_transmit_skb (3 samples, 1.21%) skb_release_all (1 samples, 0.40%) sock_read_iter (2 samples, 0.81%) do_writev (2 samples, 0.81%) tcp_push (3 samples, 1.21%) tcp_sendmsg (6 samples, 2.43%) tc.. sock_read_iter (1 samples, 0.40%) kmem_cache_alloc_node (1 samples, 0.40%) sys_writev (6 samples, 2.43%) sy.. sock_def_readable (1 samples, 0.40%) sock_sendmsg (19 samples, 7.69%) sock_sendmsg inet_recvmsg (4 samples, 1.62%) tcp_sendmsg (2 samples, 0.81%) sk_stream_alloc_skb (1 samples, 0.40%) ip_local_out (4 samples, 1.62%) __libc_readv (3 samples, 1.21%) sys_writev (19 samples, 7.69%) sys_writev net_rx_action (1 samples, 0.40%) skb_copy_datagram_iter (3 samples, 1.21%) skb_clone (1 samples, 0.40%) eth_type_trans (1 samples, 0.40%) ip_queue_xmit (1 samples, 0.40%) __lock_text_start (1 samples, 0.40%) __tcp_push_pending_frames (7 samples, 2.83%) __.. sock_def_readable (1 samples, 0.40%) tcp_transmit_skb (5 samples, 2.02%) t..