diff options
Diffstat (limited to 'Documentation/admin-guide/cgroup-v2.rst')
| -rw-r--r-- | Documentation/admin-guide/cgroup-v2.rst | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst index 3f801461f0f3..fbb111616705 100644 --- a/Documentation/admin-guide/cgroup-v2.rst +++ b/Documentation/admin-guide/cgroup-v2.rst @@ -9,7 +9,7 @@ This is the authoritative documentation on the design, interface and 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/admin-guide/cgroup-v1/. +v1 is available under :ref:`Documentation/admin-guide/cgroup-v1/index.rst <cgroup-v1>`. .. CONTENTS @@ -1023,7 +1023,7 @@ All time durations are in microseconds. A read-only nested-key file which exists on non-root cgroups. Shows pressure stall information for CPU. See - Documentation/accounting/psi.rst for details. + :ref:`Documentation/accounting/psi.rst <psi>` for details. cpu.uclamp.min A read-write single value file which exists on non-root cgroups. @@ -1103,7 +1103,7 @@ PAGE_SIZE multiple when read back. proportionally to the overage, reducing reclaim pressure for smaller overages. - Effective min boundary is limited by memory.min values of + Effective min boundary is limited by memory.min values of all ancestor cgroups. If there is memory.min overcommitment (child cgroup or cgroups are requiring more protected memory than parent will allow), then each child cgroup will get @@ -1313,53 +1313,41 @@ PAGE_SIZE multiple when read back. Number of major page faults incurred workingset_refault - Number of refaults of previously evicted pages workingset_activate - Number of refaulted pages that were immediately activated workingset_nodereclaim - Number of times a shadow node has been reclaimed pgrefill - Amount of scanned pages (in an active LRU list) pgscan - Amount of scanned pages (in an inactive LRU list) pgsteal - Amount of reclaimed pages pgactivate - Amount of pages moved to the active LRU list pgdeactivate - Amount of pages moved to the inactive LRU list pglazyfree - Amount of pages postponed to be freed under memory pressure pglazyfreed - Amount of reclaimed lazyfree pages thp_fault_alloc - Number of transparent hugepages which were allocated to satisfy a page fault, including COW faults. This counter is not present when CONFIG_TRANSPARENT_HUGEPAGE is not set. thp_collapse_alloc - Number of transparent hugepages which were allocated to allow collapsing an existing range of pages. This counter is not present when CONFIG_TRANSPARENT_HUGEPAGE is not set. @@ -1403,7 +1391,7 @@ PAGE_SIZE multiple when read back. A read-only nested-key file which exists on non-root cgroups. Shows pressure stall information for memory. See - Documentation/accounting/psi.rst for details. + :ref:`Documentation/accounting/psi.rst <psi>` for details. Usage Guidelines @@ -1478,7 +1466,7 @@ IO Interface Files dios Number of discard IOs ====== ===================== - An example read output follows: + An example read output follows:: 8:16 rbytes=1459200 wbytes=314773504 rios=192 wios=353 dbytes=0 dios=0 8:0 rbytes=90430464 wbytes=299008000 rios=8950 wios=1252 dbytes=50331648 dios=3021 @@ -1643,7 +1631,7 @@ IO Interface Files A read-only nested-key file which exists on non-root cgroups. Shows pressure stall information for IO. See - Documentation/accounting/psi.rst for details. + :ref:`Documentation/accounting/psi.rst <psi>` for details. Writeback @@ -1853,7 +1841,7 @@ Cpuset Interface Files from the requested CPUs. The CPU numbers are comma-separated numbers or ranges. - For example: + For example:: # cat cpuset.cpus 0-4,6,8-10 @@ -1892,7 +1880,7 @@ Cpuset Interface Files from the requested memory nodes. The memory node numbers are comma-separated numbers or ranges. - For example: + For example:: # cat cpuset.mems 0-1,3 |