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Fri, 09 Aug 2024 08:45:28 +0000 Date: Fri, 9 Aug 2024 10:45:27 +0200 From: Petr Vorel To: Ma Xinjian Message-ID: <20240809084527.GA337675@pevik> References: <20240809073010.793324-1-maxj.fnst@fujitsu.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240809073010.793324-1-maxj.fnst@fujitsu.com> X-Spamd-Result: default: False [-7.50 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_RHS_NOT_FQDN(0.50)[]; HAS_REPLYTO(0.30)[pvorel@suse.cz]; NEURAL_HAM_SHORT(-0.20)[-0.998]; MIME_GOOD(-0.10)[text/plain]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; MISSING_XM_UA(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; REPLYTO_EQ_FROM(0.00)[] X-Virus-Scanned: clamav-milter 1.0.3 at in-5.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH v2] cgroup_fj_common.sh: Do not disable systemd related cgroup subsystems X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Petr Vorel Cc: ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi Ma, > The cpu, io, memory, and pids subsystems under the root cgroup cannot be disabled > because they are used for systemd. Currently, the test of cpu and memory subsystems > in cgroup_fj_function.sh and cgroup_fj_stress.sh will report the error > "echo: write error: device or resource busy". Could you please share a bit of info on which system it fails. Do you use cgroup v1? Kind regards, Petr > Reviewed-by: Petr Vorel > Signed-off-by: Ma Xinjian > --- > .../kernel/controllers/cgroup_fj/cgroup_fj_common.sh | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > diff --git a/testcases/kernel/controllers/cgroup_fj/cgroup_fj_common.sh b/testcases/kernel/controllers/cgroup_fj/cgroup_fj_common.sh > index e866641ba..153d351d7 100755 > --- a/testcases/kernel/controllers/cgroup_fj/cgroup_fj_common.sh > +++ b/testcases/kernel/controllers/cgroup_fj/cgroup_fj_common.sh > @@ -77,7 +77,13 @@ common_cleanup() > cgroup_cleanup > - [ "$cgroup_version" = "2" ] && ROD echo "-$subsystem" \> "/sys/fs/cgroup/cgroup.subtree_control" > + if [ "$cgroup_version" = "2" ]; then > + case "$subsystem" in > + cpu|io|memory|pids) > + :;; > + *) ROD echo "-$subsystem" \> "/sys/fs/cgroup/cgroup.subtree_control";; > + esac > + fi > } > . cgroup_lib.sh -- Mailing list info: https://lists.linux.it/listinfo/ltp