On Fri, Jun 24, 2022 at 03:06:56PM +0800, Feng Tang wrote: > On Thu, Jun 23, 2022 at 11:34:15PM -0700, Shakeel Butt wrote: [...] > > > > Feng, can you please explain the memcg setup on these test machines > > and if the tests are run in root or non-root memcg? > > I don't know the exact setup, Philip/Oliver from 0Day can correct me. > > I logged into a test box which runs netperf test, and it seems to be > cgoup v1 and non-root memcg. The netperf tasks all sit in dir: > '/sys/fs/cgroup/memory/system.slice/lkp-bootstrap.service' > Thanks Feng. Can you check the value of memory.kmem.tcp.max_usage_in_bytes in /sys/fs/cgroup/memory/system.slice/lkp-bootstrap.service after making sure that the netperf test has already run? If this is non-zero then network memory accounting is enabled and the slowdown is expected. > And the rootfs is a debian based rootfs > > Thanks, > Feng > > > > thanks, > > Shakeel
