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Tue, 10 Oct 2023 17:36:49 -0700 (PDT) Date: Wed, 11 Oct 2023 00:36:46 +0000 In-Reply-To: Mime-Version: 1.0 References: <20231010032117.1577496-1-yosryahmed@google.com> <20231010032117.1577496-4-yosryahmed@google.com> Message-ID: <20231011003646.dt5rlqmnq6ybrlnd@google.com> Subject: Re: [PATCH v2 3/5] mm: memcg: make stats flushing threshold per-memcg From: Shakeel Butt To: Yosry Ahmed Cc: Andrew Morton , Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , Ivan Babrou , Tejun Heo , "Michal =?utf-8?Q?Koutn=C3=BD?=" , Waiman Long , kernel-team@cloudflare.com, Wei Xu , Greg Thelen , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 15317180004 X-Stat-Signature: p6dag8tgyqwwqkswdhwuur19kebh13ux X-Rspam-User: X-HE-Tag: 1696984609-331823 X-HE-Meta: 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 c5cmUavK 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.007498, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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