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[PATCHv4,11/13] Documentation/ABI: Add node cache attributes

Message ID 20190116175804.30196-12-keith.busch@intel.com (mailing list archive)
State Changes Requested, archived
Headers show
Series Heterogeneuos memory node attributes | expand

Commit Message

Keith Busch Jan. 16, 2019, 5:58 p.m. UTC
Add the attributes for the system memory side caches.

Signed-off-by: Keith Busch <keith.busch@intel.com>
---
 Documentation/ABI/stable/sysfs-devices-node | 34 +++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

Comments

Rafael J. Wysocki Jan. 17, 2019, 4:25 p.m. UTC | #1
On Wed, Jan 16, 2019 at 6:59 PM Keith Busch <keith.busch@intel.com> wrote:
>
> Add the attributes for the system memory side caches.

I really would combine this with the previous one.

> Signed-off-by: Keith Busch <keith.busch@intel.com>
> ---
>  Documentation/ABI/stable/sysfs-devices-node | 34 +++++++++++++++++++++++++++++
>  1 file changed, 34 insertions(+)
>
> diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node
> index 2217557f29d3..613d51fb52a3 100644
> --- a/Documentation/ABI/stable/sysfs-devices-node
> +++ b/Documentation/ABI/stable/sysfs-devices-node
> @@ -142,3 +142,37 @@ Contact:   Keith Busch <keith.busch@intel.com>
>  Description:
>                 This node's write latency in nanoseconds available to memory
>                 initiators in nodes found in this class's initiators_nodelist.
> +
> +What:          /sys/devices/system/node/nodeX/side_cache/indexY/associativity
> +Date:          December 2018
> +Contact:       Keith Busch <keith.busch@intel.com>
> +Description:
> +               The caches associativity: 0 for direct mapped, non-zero if
> +               indexed.
> +
> +What:          /sys/devices/system/node/nodeX/side_cache/indexY/level
> +Date:          December 2018
> +Contact:       Keith Busch <keith.busch@intel.com>
> +Description:
> +               This cache's level in the memory hierarchy. Matches 'Y' in the
> +               directory name.
> +
> +What:          /sys/devices/system/node/nodeX/side_cache/indexY/line_size
> +Date:          December 2018
> +Contact:       Keith Busch <keith.busch@intel.com>
> +Description:
> +               The number of bytes accessed from the next cache level on a
> +               cache miss.
> +
> +What:          /sys/devices/system/node/nodeX/side_cache/indexY/size
> +Date:          December 2018
> +Contact:       Keith Busch <keith.busch@intel.com>
> +Description:
> +               The size of this memory side cache in bytes.
> +
> +What:          /sys/devices/system/node/nodeX/side_cache/indexY/write_policy
> +Date:          December 2018
> +Contact:       Keith Busch <keith.busch@intel.com>
> +Description:
> +               The cache write policy: 0 for write-back, 1 for write-through,
> +               2 for other or unknown.
> --

It would be good to document the meaning of indexY itself too.
diff mbox series

Patch

diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node
index 2217557f29d3..613d51fb52a3 100644
--- a/Documentation/ABI/stable/sysfs-devices-node
+++ b/Documentation/ABI/stable/sysfs-devices-node
@@ -142,3 +142,37 @@  Contact:	Keith Busch <keith.busch@intel.com>
 Description:
 		This node's write latency in nanoseconds available to memory
 		initiators in nodes found in this class's initiators_nodelist.
+
+What:		/sys/devices/system/node/nodeX/side_cache/indexY/associativity
+Date:		December 2018
+Contact:	Keith Busch <keith.busch@intel.com>
+Description:
+		The caches associativity: 0 for direct mapped, non-zero if
+		indexed.
+
+What:		/sys/devices/system/node/nodeX/side_cache/indexY/level
+Date:		December 2018
+Contact:	Keith Busch <keith.busch@intel.com>
+Description:
+		This cache's level in the memory hierarchy. Matches 'Y' in the
+		directory name.
+
+What:		/sys/devices/system/node/nodeX/side_cache/indexY/line_size
+Date:		December 2018
+Contact:	Keith Busch <keith.busch@intel.com>
+Description:
+		The number of bytes accessed from the next cache level on a
+		cache miss.
+
+What:		/sys/devices/system/node/nodeX/side_cache/indexY/size
+Date:		December 2018
+Contact:	Keith Busch <keith.busch@intel.com>
+Description:
+		The size of this memory side cache in bytes.
+
+What:		/sys/devices/system/node/nodeX/side_cache/indexY/write_policy
+Date:		December 2018
+Contact:	Keith Busch <keith.busch@intel.com>
+Description:
+		The cache write policy: 0 for write-back, 1 for write-through,
+		2 for other or unknown.