On Tue, Mar 28, 2023 at 5:11 AM Xu Kuohai <xukuohai@xxxxxxxxxxxxxxx> wrote:
>
> From: Xu Kuohai <xukuohai@xxxxxxxxxx>
>
> The two infinite loops in bound check cases added by commit
> 1a3148fc171f ("selftests/bpf: Check when bounds are not in the 32-bit range")
> increased the execution time of test_verifier from about 6 seconds to
> about 9 seconds. Rewrite these two infinite loops to finite loops to get
> rid of this extra time cost.
>
> Signed-off-by: Xu Kuohai <xukuohai@xxxxxxxxxx>
> ---
> v2:
> - rewrite the infinite loops to finite loops instead of removing the
> test cases
>
> v1: https://lore.kernel.org/bpf/20230327153538.850440-1-xukuohai@xxxxxxxxxxxxxxx/
Thanks.
On my VM with debug kernel it went
from:
real 0m37.508s
user 0m0.382s
sys 0m36.555s
to:
real 0m14.547s
user 0m0.378s
sys 0m13.661s
Applied.
