From: Daniel Borkmann <daniel@xxxxxxxxxxxxx> Date: Sat, 14 Mar 2020 00:35:01 +0100 > The following pull-request contains BPF updates for your *net-next* tree. > > We've added 86 non-merge commits during the last 12 day(s) which contain > a total of 107 files changed, 5771 insertions(+), 1700 deletions(-). > > The main changes are: ... > 4) Introduce a new bpftool 'prog profile' command which attaches to existing > BPF programs via fentry and fexit hooks and reads out hardware counters > during that period, from Song Liu. Example usage: > > bpftool prog profile id 337 duration 3 cycles instructions llc_misses > > 4228 run_cnt > 3403698 cycles (84.08%) > 3525294 instructions # 1.04 insn per cycle (84.05%) > 13 llc_misses # 3.69 LLC misses per million isns (83.50%) This is so awesome... ... > Please consider pulling these changes from: > > git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git Pulled, thanks!