From: Jiong Wang
Date: Mon, 7 May 2018 06:22:36 -0400
> This infrastructure comes with some memory usage and execution time cost.
> Memory pool based allocation is used to avoid frequently calling of
> kmalloc/free. Singly linked list and compact pointer are used to reduce
> various cfg node siz
On 07/05/2018 11:22, Jiong Wang wrote:
execution time
===
test_l4lb_noinline:
existing check_subprog/check_cfg: ~55000 ns
new infrastructure: ~135000 ns
test_xdp_noinline:
existing check_subprog/check_cfg: ~52000 ns
new infrastructure: ~12 ns
Intel(R) Xeon(R) CPU E5-2630 v4 @ 2
This patch introduce initial control flow infrastructure to eBPF verifier.
Various control flow information are built in an incremental way, so they
could be easily maintained at various level.
After this patch set, information collection on eBPF insns are centred at
check_subprogs, check_cfg and
