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Diffstat (limited to 'Documentation/scheduler/sched-bwc.rst')
| -rw-r--r-- | Documentation/scheduler/sched-bwc.rst | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/Documentation/scheduler/sched-bwc.rst b/Documentation/scheduler/sched-bwc.rst index 9801d6b284b1..845eee659199 100644 --- a/Documentation/scheduler/sched-bwc.rst +++ b/Documentation/scheduler/sched-bwc.rst @@ -2,8 +2,9 @@ CFS Bandwidth Control ===================== -[ This document only discusses CPU bandwidth control for SCHED_NORMAL. - The SCHED_RT case is covered in Documentation/scheduler/sched-rt-group.rst ] +.. note:: + This document only discusses CPU bandwidth control for SCHED_NORMAL. + The SCHED_RT case is covered in Documentation/scheduler/sched-rt-group.rst CFS bandwidth control is a CONFIG_FAIR_GROUP_SCHED extension which allows the specification of the maximum CPU bandwidth available to a group or hierarchy. @@ -25,9 +26,15 @@ Management ---------- Quota and period are managed within the cpu subsystem via cgroupfs. -cpu.cfs_quota_us: the total available run-time within a period (in microseconds) -cpu.cfs_period_us: the length of a period (in microseconds) -cpu.stat: exports throttling statistics [explained further below] +.. note:: + The cgroupfs files described in this section are only applicable + to cgroup v1. For cgroup v2, see + :ref:`Documentation/admin-guide/cgroupv2.rst <cgroup-v2-cpu>`. + +- cpu.cfs_quota_us: the total available run-time within a period (in + microseconds) +- cpu.cfs_period_us: the length of a period (in microseconds) +- cpu.stat: exports throttling statistics [explained further below] The default values are:: |