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Documentation: x86: Clarify MBA takes MB as referring to mba_sc

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"If the MBA is specified in MB then user can enter the max b/w in MB"
is a tautology. How can the user know if the schemata takes a percentage
or a MB/s value?

This is referring to whether the software controller is interpreting
the schemata's value. Make this clear.

Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
James Morse 2019-06-07 16:14:08 +01:00 committed by Jonathan Corbet
parent 7c7a499582
commit b5453a8ec3
1 changed files with 2 additions and 2 deletions
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Documentation/x86/resctrl_ui.rst
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@ -677,8 +677,8 @@ allocations can overlap or not. The allocations specifies the maximum
b/w that the group may be able to use and the system admin can configure
the b/w accordingly.
If the MBA is specified in MB(megabytes) then user can enter the max b/w in MB
rather than the percentage values.
If resctrl is using the software controller (mba_sc) then user can enter the
max b/w in MB rather than the percentage values.
::
# echo "L3:0=3;1=c\nMB:0=1024;1=500" > /sys/fs/resctrl/p0/schemata