conventions of cgroup v2. It describes all userland-visible aspects
of cgroup including core and specific controller behaviors. All
future changes must be reflected in this document. Documentation for
-v1 is available under Documentation/cgroup-v1/.
+v1 is available under Documentation/admin-guide/cgroup-v1/.
.. CONTENTS
A read-only nested-key file which exists on non-root cgroups.
Shows pressure stall information for CPU. See
- Documentation/accounting/psi.txt for details.
+ Documentation/accounting/psi.rst for details.
Memory
otherwise, a value change in this file generates a file
modified event.
+ Note that all fields in this file are hierarchical and the
+ file modified event can be generated due to an event down the
+ hierarchy. For for the local events at the cgroup level see
+ memory.events.local.
+
low
The number of times the cgroup is reclaimed due to
high memory pressure even though its usage is under
The number of processes belonging to this cgroup
killed by any kind of OOM killer.
+ memory.events.local
+ Similar to memory.events but the fields in the file are local
+ to the cgroup i.e. not hierarchical. The file modified event
+ generated on this file reflects only the local events.
+
memory.stat
A read-only flat-keyed file which exists on non-root cgroups.
A read-only nested-key file which exists on non-root cgroups.
Shows pressure stall information for memory. See
- Documentation/accounting/psi.txt for details.
+ Documentation/accounting/psi.rst for details.
Usage Guidelines
A read-only nested-key file which exists on non-root cgroups.
Shows pressure stall information for IO. See
- Documentation/accounting/psi.txt for details.
+ Documentation/accounting/psi.rst for details.
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