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cgroup: update PSI file description in docs
Update PSI file description in cgroup-v2 docs to reflect the current implementation. tj: Changed cpu.pressure from read-only to read-write as suggested by Johannes. Signed-off-by: Odin Ugedal <odin@uged.al> Acked-by: Dan Schatzberg <dschatzberg@fb.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Tejun Heo <tj@kernel.org>
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@ -1029,7 +1029,7 @@ All time durations are in microseconds.
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one number is written, $MAX is updated.
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cpu.pressure
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A read-only nested-key file which exists on non-root cgroups.
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A read-write nested-keyed file.
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Shows pressure stall information for CPU. See
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:ref:`Documentation/accounting/psi.rst <psi>` for details.
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@ -1475,7 +1475,7 @@ PAGE_SIZE multiple when read back.
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reduces the impact on the workload and memory management.
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memory.pressure
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A read-only nested-key file which exists on non-root cgroups.
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A read-only nested-keyed file.
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Shows pressure stall information for memory. See
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:ref:`Documentation/accounting/psi.rst <psi>` for details.
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@ -1714,7 +1714,7 @@ IO Interface Files
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8:16 rbps=2097152 wbps=max riops=max wiops=max
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io.pressure
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A read-only nested-key file which exists on non-root cgroups.
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A read-only nested-keyed file.
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Shows pressure stall information for IO. See
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:ref:`Documentation/accounting/psi.rst <psi>` for details.
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