Flame Graph
Function:
inet_sendmsg
sch_direct_xmit
vfs_write
start_xmit
ip_queue_xmit
ip_finish_output
virtqueue_kick
__do_softi..
nf_iter..
__ip_loc..
sys_write
local_bh_en..
sock_aio_write
dev_hard_start_xmit
tcp_sendmsg
ip_local_out
ip_rc..
system_call_fastpath
virtnet_po..
vp_notify
iowrite16
tcp_write_xmit
tcp_transmit_skb
do_sync_write
nf_hook_..
netif_r..
net_rx_act..
do_softirq
ip_output
call_softi..
__netif..
tcp_push_one
dev_queue_xmit