Re: [PATCH 1/8] Documentation, x86: Intel Memory bandwidth allocation

From: Shivappa Vikas
Date: Wed Apr 05 2017 - 14:05:46 EST




On Wed, 5 Apr 2017, Thomas Gleixner wrote:

On Mon, 3 Apr 2017, Vikas Shivappa wrote:
+Cache resource(L3/L2) subdirectory contains the following files:

-"num_closids": The number of CLOSIDs which are valid for this
- resource. The kernel uses the smallest number of
- CLOSIDs of all enabled resources as limit.
+"num_closids": The number of CLOSIDs which are valid for this
+ resource. The kernel uses the smallest number of
+ CLOSIDs of all enabled resources as limit.

-"cbm_mask": The bitmask which is valid for this resource. This
- mask is equivalent to 100%.
+"cbm_mask": The bitmask which is valid for this resource.
+ This mask is equivalent to 100%.

-"min_cbm_bits": The minimum number of consecutive bits which must be
- set when writing a mask.
+"min_cbm_bits": The minimum number of consecutive bits which
+ must be set when writing a mask.

+Memory bandwitdh(MB) subdirectory contains the following files:

This has a num_closids file as well, right?

Yes. copy below - just indented same text

-"num_closids": The number of CLOSIDs which are valid for this
- resource. The kernel uses the smallest number of
- CLOSIDs of all enabled resources as limit.
+"num_closids": The number of CLOSIDs which are valid for this
+ resource. The kernel uses the smallest number of
+ CLOSIDs of all enabled resources as limit.

Thanks,
Vikas


Thanks,

tglx