Re: [PATCH v2 3/5] mm: memcg: make stats flushing threshold per-memcg

[Shakeel Butt <shakeelb@google.com>]

On Tue, Oct 10, 2023 at 03:21:47PM -0700, Yosry Ahmed wrote:
[...]
> 
> I tried this on a machine with 72 cpus (also ixion), running both
> netserver and netperf in /sys/fs/cgroup/a/b/c/d as follows:
> # echo "+memory" > /sys/fs/cgroup/cgroup.subtree_control
> # mkdir /sys/fs/cgroup/a
> # echo "+memory" > /sys/fs/cgroup/a/cgroup.subtree_control
> # mkdir /sys/fs/cgroup/a/b
> # echo "+memory" > /sys/fs/cgroup/a/b/cgroup.subtree_control
> # mkdir /sys/fs/cgroup/a/b/c
> # echo "+memory" > /sys/fs/cgroup/a/b/c/cgroup.subtree_control
> # mkdir /sys/fs/cgroup/a/b/c/d
> # echo 0 > /sys/fs/cgroup/a/b/c/d/cgroup.procs
> # ./netserver -6
> 
> # echo 0 > /sys/fs/cgroup/a/b/c/d/cgroup.procs
> # for i in $(seq 10); do ./netperf -6 -H ::1 -l 60 -t TCP_SENDFILE --
> -m 10K; done

You are missing '&' at the end. Use something like below:

#!/bin/bash
for i in {1..22}
do
   /data/tmp/netperf -6 -H ::1 -l 60 -t TCP_SENDFILE -- -m 10K &
done
wait