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Using the stap script: probe kernel.function("*...@net/ipv4/tcp.c").call { printf ("%s -> %s\n", thread_indent(1), probefunc()) print_backtrace(); printf("\n"); } stapio:stp_main_loop:519 probe_start() returned 0 0 swapper(0): -> tcp_set_state 0xffffffff8142aa35 : tcp_set_state+0x1/0x177 [kernel] 0xffffffff81432b28 : tcp_fin+0x62/0x26e [kernel] 0xffffffff81433b29 : tcp_data_queue+0x498/0x12eb [kernel] 0xffffffff8143873f : tcp_rcv_established+0xb6f/0xd6d [kernel] 0xffffffff81442a5e : tcp_v4_do_rcv+0x247/0x4ed [kernel] 0xffffffff81443214 : tcp_v4_rcv+0x510/0xb1e [kernel] 0xffffffff8141bb6b : ip_local_deliver_finish+0x1e7/0x316 [kernel] 0xffffffff8141bd44 : ip_local_deliver+0xaa/0xbc [kernel] 0xffffffff8141b52b : ip_rcv_finish+0x4a3/0x4cb [kernel] 0xffffffff8141b92a : ip_rcv+0x3d7/0x431 [kernel] 0xffffffff813e7d31 : netif_receive_skb+0x6b2/0x6f3 [kernel] 0xffffffff813e7f67 : napi_skb_finish+0x3b/0x6f [kernel] 0xffffffff813e85a9 : napi_gro_receive+0x44/0x50 [kernel] 0xffffffff813e87e3 : net_rx_action+0x13b/0x30a [kernel] (inexact) 0xffffffff81762098 : softirq_vec+0x18/0xc0 [kernel] (inexact) 0xffffffff8105f15d : __do_softirq+0x124/0x269 [kernel] (inexact) 0xffffffff8100d9cc : native_usergs_sysret64+0x139c/0x13a8 [kernel] (inexact) 0xffffffff8100f6ad : do_softirq+0x71/0x12d [kernel] (inexact) 0xffffffff8105eb7d : irq_exit+0x59/0xcd [kernel] (inexact) 0xffffffff814be60f : do_IRQ+0xe7/0x105 [kernel] (inexact) 0 rpcbind(1836): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113a09a : do_sys_poll+0x2f6/0x55c [kernel] 0xffffffff8113a536 : sys_poll+0x6a/0xe9 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 6603 rpcbind(1836): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113a09a : do_sys_poll+0x2f6/0x55c [kernel] 0xffffffff8113a536 : sys_poll+0x6a/0xe9 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 13206 rpcbind(1836): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113a09a : do_sys_poll+0x2f6/0x55c [kernel] 0xffffffff8113a536 : sys_poll+0x6a/0xe9 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 19769 rpcbind(1836): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113a09a : do_sys_poll+0x2f6/0x55c [kernel] 0xffffffff8113a536 : sys_poll+0x6a/0xe9 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 0 sendmail(2473): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113aa84 : do_select+0x461/0x732 [kernel] 0xffffffff8113afdb : core_sys_select+0x286/0x450 [kernel] 0xffffffff8113b4de : sys_select+0xce/0x100 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 7295 sendmail(2473): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113aa84 : do_select+0x461/0x732 [kernel] 0xffffffff8113afdb : core_sys_select+0x286/0x450 [kernel] 0xffffffff8113b4de : sys_select+0xce/0x100 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 0 firefox(3031): -> tcp_recvmsg 0xffffffff8142be64 : tcp_recvmsg+0x1/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 8738 firefox(3031): -> tcp_cleanup_rbuf 0xffffffff8142b724 : tcp_cleanup_rbuf+0x1/0x1b7 [kernel] 0xffffffff8142c8dc : tcp_recvmsg+0xa79/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 19270 firefox(3031): -> tcp_recvmsg 0xffffffff8142be64 : tcp_recvmsg+0x1/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 28235 firefox(3031): -> tcp_cleanup_rbuf 0xffffffff8142b724 : tcp_cleanup_rbuf+0x1/0x1b7 [kernel] 0xffffffff8142c8dc : tcp_recvmsg+0xa79/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 38947 firefox(3031): -> tcp_recvmsg 0xffffffff8142be64 : tcp_recvmsg+0x1/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 45563 firefox(3031): -> tcp_cleanup_rbuf 0xffffffff8142b724 : tcp_cleanup_rbuf+0x1/0x1b7 [kernel] 0xffffffff8142c8dc : tcp_recvmsg+0xa79/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 54265 firefox(3031): -> tcp_recvmsg 0xffffffff8142be64 : tcp_recvmsg+0x1/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 60874 firefox(3031): -> tcp_cleanup_rbuf 0xffffffff8142b724 : tcp_cleanup_rbuf+0x1/0x1b7 [kernel] 0xffffffff8142c8dc : tcp_recvmsg+0xa79/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 69462 firefox(3031): -> tcp_recvmsg 0xffffffff8142be64 : tcp_recvmsg+0x1/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 76071 firefox(3031): -> tcp_cleanup_rbuf 0xffffffff8142b724 : tcp_cleanup_rbuf+0x1/0x1b7 [kernel] 0xffffffff8142c8dc : tcp_recvmsg+0xa79/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 84083 firefox(3031): -> tcp_recvmsg 0xffffffff8142be64 : tcp_recvmsg+0x1/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 91777 firefox(3031): -> tcp_cleanup_rbuf 0xffffffff8142b724 : tcp_cleanup_rbuf+0x1/0x1b7 [kernel] 0xffffffff8142c8dc : tcp_recvmsg+0xa79/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 100176 firefox(3031): -> tcp_recvmsg 0xffffffff8142be64 : tcp_recvmsg+0x1/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 106772 firefox(3031): -> tcp_cleanup_rbuf 0xffffffff8142b724 : tcp_cleanup_rbuf+0x1/0x1b7 [kernel] 0xffffffff8142c8dc : tcp_recvmsg+0xa79/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 114905 firefox(3031): -> tcp_close 0xffffffff8142b0ee : tcp_close+0x1/0x5bf [kernel] 0xffffffff81455916 : inet_release+0x81/0x8f [kernel] 0xffffffff813d3acf : sock_release+0x2d/0xa9 [kernel] 0xffffffff813d3b87 : sock_close+0x3c/0x47 [kernel] 0xffffffff811261b8 : __fput+0x1b9/0x306 [kernel] 0xffffffff81126337 : fput+0x32/0x3b [kernel] 0xffffffff81121ad7 : filp_close+0xa4/0xb6 [kernel] 0xffffffff81121baf : sys_close+0xc6/0x130 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 123378 firefox(3031): -> tcp_set_state 0xffffffff8142aa35 : tcp_set_state+0x1/0x177 [kernel] 0xffffffff8142b2e7 : tcp_close+0x1fa/0x5bf [kernel] 0xffffffff81455916 : inet_release+0x81/0x8f [kernel] 0xffffffff813d3acf : sock_release+0x2d/0xa9 [kernel] 0xffffffff813d3b87 : sock_close+0x3c/0x47 [kernel] 0xffffffff811261b8 : __fput+0x1b9/0x306 [kernel] 0xffffffff81126337 : fput+0x32/0x3b [kernel] 0xffffffff81121ad7 : filp_close+0xa4/0xb6 [kernel] 0xffffffff81121baf : sys_close+0xc6/0x130 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 134113 firefox(3031): -> tcp_close 0xffffffff8142b0ee : tcp_close+0x1/0x5bf [kernel] 0xffffffff81455916 : inet_release+0x81/0x8f [kernel] 0xffffffff813d3acf : sock_release+0x2d/0xa9 [kernel] 0xffffffff813d3b87 : sock_close+0x3c/0x47 [kernel] 0xffffffff811261b8 : __fput+0x1b9/0x306 [kernel] 0xffffffff81126337 : fput+0x32/0x3b [kernel] 0xffffffff81121ad7 : filp_close+0xa4/0xb6 [kernel] 0xffffffff81121baf : sys_close+0xc6/0x130 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 142561 firefox(3031): -> tcp_set_state 0xffffffff8142aa35 : tcp_set_state+0x1/0x177 [kernel] 0xffffffff8142b2e7 : tcp_close+0x1fa/0x5bf [kernel] 0xffffffff81455916 : inet_release+0x81/0x8f [kernel] 0xffffffff813d3acf : sock_release+0x2d/0xa9 [kernel] 0xffffffff813d3b87 : sock_close+0x3c/0x47 [kernel] 0xffffffff811261b8 : __fput+0x1b9/0x306 [kernel] 0xffffffff81126337 : fput+0x32/0x3b [kernel] 0xffffffff81121ad7 : filp_close+0xa4/0xb6 [kernel] 0xffffffff81121baf : sys_close+0xc6/0x130 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 152327 firefox(3031): -> tcp_done 0xffffffff8142abac : tcp_done+0x1/0xb4 [kernel] 0xffffffff81439aa6 : tcp_rcv_state_process+0xe4d/0x1127 [kernel] 0xffffffff81442c8b : tcp_v4_do_rcv+0x474/0x4ed [kernel] 0xffffffff81443214 : tcp_v4_rcv+0x510/0xb1e [kernel] 0xffffffff8141bb6b : ip_local_deliver_finish+0x1e7/0x316 [kernel] 0xffffffff8141bd44 : ip_local_deliver+0xaa/0xbc [kernel] 0xffffffff8141b52b : ip_rcv_finish+0x4a3/0x4cb [kernel] 0xffffffff8141b92a : ip_rcv+0x3d7/0x431 [kernel] 0xffffffff813e7d31 : netif_receive_skb+0x6b2/0x6f3 [kernel] 0xffffffff813e7f67 : napi_skb_finish+0x3b/0x6f [kernel] 0xffffffff813e85a9 : napi_gro_receive+0x44/0x50 [kernel] 0xffffffff813e87e3 : net_rx_action+0x13b/0x30a [kernel] (inexact) 0xffffffff81762098 : softirq_vec+0x18/0xc0 [kernel] (inexact) 0xffffffff8105f15d : __do_softirq+0x124/0x269 [kernel] (inexact) 0xffffffff8100d9cc : native_usergs_sysret64+0x139c/0x13a8 [kernel] (inexact) 0xffffffff8100f6ad : do_softirq+0x71/0x12d [kernel] (inexact) 0xffffffff8105eb7d : irq_exit+0x59/0xcd [kernel] (inexact) 0xffffffff814be6f2 : smp_apic_timer_interrupt+0xc5/0x683 [kernel] (inexact) 0xffffffff8100d3b3 : native_usergs_sysret64+0xd83/0x13a8 [kernel] (inexact) 167233 firefox(3031): -> tcp_set_state 0xffffffff8142aa35 : tcp_set_state+0x1/0x177 [kernel] 0xffffffff8142ac09 : tcp_done+0x5e/0xb4 [kernel] 0xffffffff81439aa6 : tcp_rcv_state_process+0xe4d/0x1127 [kernel] 0xffffffff81442c8b : tcp_v4_do_rcv+0x474/0x4ed [kernel] 0xffffffff81443214 : tcp_v4_rcv+0x510/0xb1e [kernel] 0xffffffff8141bb6b : ip_local_deliver_finish+0x1e7/0x316 [kernel] 0xffffffff8141bd44 : ip_local_deliver+0xaa/0xbc [kernel] 0xffffffff8141b52b : ip_rcv_finish+0x4a3/0x4cb [kernel] 0xffffffff8141b92a : ip_rcv+0x3d7/0x431 [kernel] 0xffffffff813e7d31 : netif_receive_skb+0x6b2/0x6f3 [kernel] 0xffffffff813e7f67 : napi_skb_finish+0x3b/0x6f [kernel] 0xffffffff813e85a9 : napi_gro_receive+0x44/0x50 [kernel] 0xffffffff813e87e3 : net_rx_action+0x13b/0x30a [kernel] (inexact) 0xffffffff81762098 : softirq_vec+0x18/0xc0 [kernel] (inexact) 0xffffffff8105f15d : __do_softirq+0x124/0x269 [kernel] (inexact) 0xffffffff8100d9cc : native_usergs_sysret64+0x139c/0x13a8 [kernel] (inexact) 0xffffffff8100f6ad : do_softirq+0x71/0x12d [kernel] (inexact) 0xffffffff8105eb7d : irq_exit+0x59/0xcd [kernel] (inexact) 0xffffffff814be6f2 : smp_apic_timer_interrupt+0xc5/0x683 [kernel] (inexact) 0xffffffff8100d3b3 : native_usergs_sysret64+0xd83/0x13a8 [kernel] (inexact) 1228629 swapper(0): -> tcp_done 0xffffffff8142abac : tcp_done+0x1/0xb4 [kernel] 0xffffffff81439aa6 : tcp_rcv_state_process+0xe4d/0x1127 [kernel] 0xffffffff81442c8b : tcp_v4_do_rcv+0x474/0x4ed [kernel] 0xffffffff81443214 : tcp_v4_rcv+0x510/0xb1e [kernel] 0xffffffff8141bb6b : ip_local_deliver_finish+0x1e7/0x316 [kernel] 0xffffffff8141bd44 : ip_local_deliver+0xaa/0xbc [kernel] 0xffffffff8141b52b : ip_rcv_finish+0x4a3/0x4cb [kernel] 0xffffffff8141b92a : ip_rcv+0x3d7/0x431 [kernel] 0xffffffff813e7d31 : netif_receive_skb+0x6b2/0x6f3 [kernel] 0xffffffff813e7f67 : napi_skb_finish+0x3b/0x6f [kernel] 0xffffffff813e85a9 : napi_gro_receive+0x44/0x50 [kernel] 0xffffffff813e87e3 : net_rx_action+0x13b/0x30a [kernel] (inexact) 0xffffffff81762098 : softirq_vec+0x18/0xc0 [kernel] (inexact) 0xffffffff8105f15d : __do_softirq+0x124/0x269 [kernel] (inexact) 0xffffffff8100d9cc : native_usergs_sysret64+0x139c/0x13a8 [kernel] (inexact) 0xffffffff8100f6ad : do_softirq+0x71/0x12d [kernel] (inexact) 0xffffffff8105eb7d : irq_exit+0x59/0xcd [kernel] (inexact) 0xffffffff814be60f : do_IRQ+0xe7/0x105 [kernel] (inexact) 0xffffffff817a0458 : cpu_online_bits+0x0/0x8 [kernel] (inexact) 0xffffffff8100d213 : native_usergs_sysret64+0xbe3/0x13a8 [kernel] (inexact) 1248330 swapper(0): -> tcp_set_state 0xffffffff8142aa35 : tcp_set_state+0x1/0x177 [kernel] 0xffffffff8142ac09 : tcp_done+0x5e/0xb4 [kernel] 0xffffffff81439aa6 : tcp_rcv_state_process+0xe4d/0x1127 [kernel] 0xffffffff81442c8b : tcp_v4_do_rcv+0x474/0x4ed [kernel] 0xffffffff81443214 : tcp_v4_rcv+0x510/0xb1e [kernel] 0xffffffff8141bb6b : ip_local_deliver_finish+0x1e7/0x316 [kernel] 0xffffffff8141bd44 : ip_local_deliver+0xaa/0xbc [kernel] 0xffffffff8141b52b : ip_rcv_finish+0x4a3/0x4cb [kernel] 0xffffffff8141b92a : ip_rcv+0x3d7/0x431 [kernel] 0xffffffff813e7d31 : netif_receive_skb+0x6b2/0x6f3 [kernel] 0xffffffff813e7f67 : napi_skb_finish+0x3b/0x6f [kernel] 0xffffffff813e85a9 : napi_gro_receive+0x44/0x50 [kernel] 0xffffffff813e87e3 : net_rx_action+0x13b/0x30a [kernel] (inexact) 0xffffffff81762098 : softirq_vec+0x18/0xc0 [kernel] (inexact) 0xffffffff8105f15d : __do_softirq+0x124/0x269 [kernel] (inexact) 0xffffffff8100d9cc : native_usergs_sysret64+0x139c/0x13a8 [kernel] (inexact) 0xffffffff8100f6ad : do_softirq+0x71/0x12d [kernel] (inexact) 0xffffffff8105eb7d : irq_exit+0x59/0xcd [kernel] (inexact) 0xffffffff814be60f : do_IRQ+0xe7/0x105 [kernel] (inexact) 0xffffffff817a0458 : cpu_online_bits+0x0/0x8 [kernel] (inexact) 2379795 firefox(3031): -> tcp_recvmsg 0xffffffff8142be64 : tcp_recvmsg+0x1/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 2388551 firefox(3031): -> tcp_cleanup_rbuf 0xffffffff8142b724 : tcp_cleanup_rbuf+0x1/0x1b7 [kernel] 0xffffffff8142c8dc : tcp_recvmsg+0xa79/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 2399116 firefox(3031): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113a09a : do_sys_poll+0x2f6/0x55c [kernel] 0xffffffff8113a536 : sys_poll+0x6a/0xe9 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 2404129 firefox(3031): -> tcp_sendmsg 0xffffffff8142d1a1 : tcp_sendmsg+0x1/0xde3 [kernel] 0xffffffff813d34f2 : sock_sendmsg+0x119/0x151 [kernel] 0xffffffff813d46ba : sys_sendto+0x114/0x158 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 2409444 firefox(3031): -> tcp_send_mss 0xffffffff8142a851 : tcp_send_mss+0x1/0x126 [kernel] 0xffffffff8142d263 : tcp_sendmsg+0xc3/0xde3 [kernel] 0xffffffff813d34f2 : sock_sendmsg+0x119/0x151 [kernel] 0xffffffff813d46ba : sys_sendto+0x114/0x158 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 2416119 firefox(3031): -> sk_stream_alloc_skb 0xffffffff8142d045 : sk_stream_alloc_skb+0x1/0x15c [kernel] 0xffffffff8142d3cc : tcp_sendmsg+0x22c/0xde3 [kernel] 0xffffffff813d34f2 : sock_sendmsg+0x119/0x151 [kernel] 0xffffffff813d46ba : sys_sendto+0x114/0x158 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 2422894 firefox(3031): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113a09a : do_sys_poll+0x2f6/0x55c [kernel] 0xffffffff8113a536 : sys_poll+0x6a/0xe9 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 2427850 firefox(3031): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113a09a : do_sys_poll+0x2f6/0x55c [kernel] 0xffffffff8113a536 : sys_poll+0x6a/0xe9 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 2432792 firefox(3031): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113a09a : do_sys_poll+0x2f6/0x55c [kernel] 0xffffffff8113a536 : sys_poll+0x6a/0xe9 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 3006086 firefox(3031): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113a09a : do_sys_poll+0x2f6/0x55c [kernel] 0xffffffff8113a536 : sys_poll+0x6a/0xe9 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 3012637 firefox(3031): -> tcp_recvmsg 0xffffffff8142be64 : tcp_recvmsg+0x1/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 3021416 firefox(3031): -> tcp_cleanup_rbuf 0xffffffff8142b724 : tcp_cleanup_rbuf+0x1/0x1b7 [kernel] 0xffffffff8142c8dc : tcp_recvmsg+0xa79/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 3029470 firefox(3031): -> tcp_recvmsg 0xffffffff8142be64 : tcp_recvmsg+0x1/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 3035961 firefox(3031): -> tcp_cleanup_rbuf 0xffffffff8142b724 : tcp_cleanup_rbuf+0x1/0x1b7 [kernel] 0xffffffff8142c8dc : tcp_recvmsg+0xa79/0xc1a [kernel] 0xffffffff813d5a3d : sock_common_recvmsg+0x3e/0x61 [kernel] 0xffffffff813d333d : sock_recvmsg+0x12a/0x164 [kernel] 0xffffffff813d4d30 : sys_recvfrom+0xc2/0x148 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 5012006 sendmail(2473): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113aa84 : do_select+0x461/0x732 [kernel] 0xffffffff8113afdb : core_sys_select+0x286/0x450 [kernel] 0xffffffff8113b4de : sys_select+0xce/0x100 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 5019311 sendmail(2473): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113aa84 : do_select+0x461/0x732 [kernel] 0xffffffff8113afdb : core_sys_select+0x286/0x450 [kernel] 0xffffffff8113b4de : sys_select+0xce/0x100 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 10024004 sendmail(2473): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113aa84 : do_select+0x461/0x732 [kernel] 0xffffffff8113afdb : core_sys_select+0x286/0x450 [kernel] 0xffffffff8113b4de : sys_select+0xce/0x100 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] 10031291 sendmail(2473): -> tcp_poll 0xffffffff81428e15 : tcp_poll+0x1/0x1f4 [kernel] 0xffffffff813d19f5 : sock_poll+0x24/0x2d [kernel] 0xffffffff8113aa84 : do_select+0x461/0x732 [kernel] 0xffffffff8113afdb : core_sys_select+0x286/0x450 [kernel] 0xffffffff8113b4de : sys_select+0xce/0x100 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] stapio:stp_main_loop:478 nb=46 ERROR: probe overhead exceeded threshold stapio:stp_main_loop:478 nb=4 stapio:stp_main_loop:511 got STP_REQUEST_EXIT 0 wget(13258): -> tcp_set_state 0xffffffff8142aa35 : tcp_set_state+0x1/0x177 [kernel] 0xffffffff81444af8 : tcp_v4_connect+0x406/0x617 [kernel] 0xffffffff81455357 : inet_stream_connect+0xe3/0x397 [kernel] 0xffffffff813d47d7 : sys_connect+0xb5/0xf7 [kernel] 0xffffffff8100c832 : native_usergs_sysret64+0x202/0x13a8 [kernel] stapio:stp_main_loop:478 nb=53 WARNING: Number of errors: 1, skipped probes: 4 stapio:stp_main_loop:478 nb=4 stapio:stp_main_loop:504 got STP_EXIT stapio:cleanup_and_exit:371 detach=0 stapio:close_relayfs:352 closing stapio:close_relayfs:371 done stapio:cleanup_and_exit:388 closing control channel stapio:cleanup_and_exit:413 removing stap_13021 Pass 5: run completed in 10usr/50sys/37500real ms. Keeping temporary directory "/tmp/stapfCXl35" |
