From: Eric Dumazet <eric.duma...@gmail.com> Date: Wed, 28 Feb 2018 08:39:20 -0800
> From: Eric Dumazet <eduma...@google.com> > > For tests that are using the maximal number of BPF instruction, each > run takes 20 usec. Looping 10,000 times on them totals 200 ms, which > is bad when the loop is not preemptible. > > test_bpf: #264 BPF_MAXINSNS: Call heavy transformations jited:1 19248 > 18548 PASS > test_bpf: #269 BPF_MAXINSNS: ld_abs+get_processor_id jited:1 20896 PASS > > Lets divide by ten the number of iterations, so that max latency is > 20ms. We could use need_resched() to break the loop earlier if we > believe 20 ms is too much. > > Signed-off-by: Eric Dumazet <eduma...@google.com> Acked-by: David S. Miller <da...@davemloft.net>
