On Fri, Oct 09, 2026 at 09:50 AM Qiliang Yuan <[email protected]> wrote: > The measured time includes the time the sender and the receiver take to > run. When test_progs runs other tests in parallel, the sender and the > receiver compete with those for the CPUs, the transfer takes longer, > and the measured rate falls outside of the 2% margin.
The test is flaky without -j too. It's in DENYLIST.s390x in CI since Dec 2025: https://github.com/kernel-patches/vmtest/pull/418 and it fails on x86 with ASAN: https://github.com/kernel-patches/vmtest/issues/503 Both jobs run test_progs without -j. serial_ won't help there. pw-bot: cr
