diff options
Diffstat (limited to 'man/man7/cgroup_namespaces.7')
| -rw-r--r-- | man/man7/cgroup_namespaces.7 | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/man/man7/cgroup_namespaces.7 b/man/man7/cgroup_namespaces.7 index 10f16c666c..642b5fa383 100644 --- a/man/man7/cgroup_namespaces.7 +++ b/man/man7/cgroup_namespaces.7 @@ -56,10 +56,10 @@ use as part of the demonstration below: .P .in +4n .EX -# \fBmkdir \-p /sys/fs/cgroup/freezer/sub2\fP -# \fBsleep 10000 &\fP # Create a process that lives for a while +.RB # " mkdir \-p /sys/fs/cgroup/freezer/sub2" ; +.RB # " sleep 10000 &" # Create a process that lives for a while [1] 20124 -# \fBecho 20124 > /sys/fs/cgroup/freezer/sub2/cgroup.procs\fP +.RB # " echo 20124 > /sys/fs/cgroup/freezer/sub2/cgroup.procs" ; .EE .in .P @@ -69,11 +69,11 @@ hierarchy and put the shell into that cgroup: .P .in +4n .EX -# \fBmkdir \-p /sys/fs/cgroup/freezer/sub\fP -# \fBecho $$\fP # Show PID of this shell +.RB # " mkdir \-p /sys/fs/cgroup/freezer/sub" ; +.RB # " echo $$" "; # Show PID of this shell" 30655 -# \fBecho 30655 > /sys/fs/cgroup/freezer/sub/cgroup.procs\fP -# \fBcat /proc/self/cgroup | grep freezer\fP +.RB # " echo 30655 > /sys/fs/cgroup/freezer/sub/cgroup.procs" ; +.RB # " cat /proc/self/cgroup | grep freezer" ; 7:freezer:/sub .EE .in @@ -84,7 +84,7 @@ to create a process running a new shell in new cgroup and mount namespaces: .P .in +4n .EX -# \fBPS1="sh2# " unshare \-Cm bash\fP +.RB # " PS1='sh2# ' unshare \-Cm bash" ; .EE .in .P @@ -100,11 +100,11 @@ with PID 1), and the process in the sibling cgroup .P .in +4n .EX -sh2# \fBcat /proc/self/cgroup | grep freezer\fP +.RB sh2# " cat /proc/self/cgroup | grep freezer" ; 7:freezer:/ -sh2# \fBcat /proc/1/cgroup | grep freezer\fP +.RB sh2# " cat /proc/1/cgroup | grep freezer" ; 7:freezer:/.. -sh2# \fBcat /proc/20124/cgroup | grep freezer\fP +.RB sh2# " cat /proc/20124/cgroup | grep freezer" ; 7:freezer:/../sub2 .EE .in @@ -129,7 +129,7 @@ we see the following anomaly: .P .in +4n .EX -sh2# \fBcat /proc/self/mountinfo | grep freezer\fP +.RB sh2# " cat /proc/self/mountinfo | grep freezer" ; 155 145 0:32 /.. /sys/fs/cgroup/freezer ... .EE .in @@ -151,11 +151,11 @@ new cgroup namespace), after which we see the expected results: .P .in +4n .EX -sh2# \fBmount \-\-make\-rslave /\fP # Don\[aq]t propagate mount events +.RB sh2# " mount \-\-make\-rslave /" "; # Don\[aq]t propagate mount events" # to other namespaces -sh2# \fBumount /sys/fs/cgroup/freezer\fP -sh2# \fBmount \-t cgroup \-o freezer freezer /sys/fs/cgroup/freezer\fP -sh2# \fBcat /proc/self/mountinfo | grep freezer\fP +.RB sh2# " umount /sys/fs/cgroup/freezer" ; +.RB sh2# " mount \-t cgroup \-o freezer freezer /sys/fs/cgroup/freezer" ; +.RB sh2# " cat /proc/self/mountinfo | grep freezer" ; 155 145 0:32 / /sys/fs/cgroup/freezer rw,relatime ... .EE .in |