Re: [PATCH net-next 2/2] selftests: net: py: don't default to shell=True

On Sat, Aug 30, 2025 at 11:43:17AM -0700, Jakub Kicinski wrote:

Overhead of using shell=True is quite significant. Micro-benchmark of running ethtool --help shows that non-shell run is 2x faster.

Runtime of the XDP tests also shows improvement: this patch: 2m34s 2m21s 2m18s 2m18s before: 2m54s 2m36s 2m34s

Signed-off-by: Jakub Kicinski kuba@kernel.org

Reviewed-by: Breno Leitao leitao@debian.org