179 lines
5.9 KiB
Plaintext
179 lines
5.9 KiB
Plaintext
|
What: /sys/devices/system/node/possible
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
Nodes that could be possibly become online at some point.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/online
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
Nodes that are online.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/has_normal_memory
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
Nodes that have regular memory.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/has_cpu
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
Nodes that have one or more CPUs.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/has_high_memory
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
Nodes that have regular or high memory.
|
||
|
|
Depends on CONFIG_HIGHMEM.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
When CONFIG_NUMA is enabled, this is a directory containing
|
||
|
|
information on node X such as what CPUs are local to the
|
||
|
|
node. Each file is detailed next.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/cpumap
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
The node's cpumap.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/cpulist
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
The CPUs associated to the node.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/meminfo
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
Provides information about the node's distribution and memory
|
||
|
|
utilization. Similar to /proc/meminfo, see Documentation/filesystems/proc.rst
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/numastat
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
The node's hit/miss statistics, in units of pages.
|
||
|
|
See Documentation/admin-guide/numastat.rst
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/distance
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
Distance between the node and all the other nodes
|
||
|
|
in the system.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/vmstat
|
||
|
|
Date: October 2002
|
||
|
|
Contact: Linux Memory Management list <linux-mm@kvack.org>
|
||
|
|
Description:
|
||
|
|
The node's zoned virtual memory statistics.
|
||
|
|
This is a superset of numastat.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/compact
|
||
|
|
Date: February 2010
|
||
|
|
Contact: Mel Gorman <mel@csn.ul.ie>
|
||
|
|
Description:
|
||
|
|
When this file is written to, all memory within that node
|
||
|
|
will be compacted. When it completes, memory will be freed
|
||
|
|
into blocks which have as many contiguous pages as possible
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/hugepages/hugepages-<size>/
|
||
|
|
Date: December 2009
|
||
|
|
Contact: Lee Schermerhorn <lee.schermerhorn@hp.com>
|
||
|
|
Description:
|
||
|
|
The node's huge page size control/query attributes.
|
||
|
|
See Documentation/admin-guide/mm/hugetlbpage.rst
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/accessY/
|
||
|
|
Date: December 2018
|
||
|
|
Contact: Keith Busch <keith.busch@intel.com>
|
||
|
|
Description:
|
||
|
|
The node's relationship to other nodes for access class "Y".
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/accessY/initiators/
|
||
|
|
Date: December 2018
|
||
|
|
Contact: Keith Busch <keith.busch@intel.com>
|
||
|
|
Description:
|
||
|
|
The directory containing symlinks to memory initiator
|
||
|
|
nodes that have class "Y" access to this target node's
|
||
|
|
memory. CPUs and other memory initiators in nodes not in
|
||
|
|
the list accessing this node's memory may have different
|
||
|
|
performance.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/accessY/targets/
|
||
|
|
Date: December 2018
|
||
|
|
Contact: Keith Busch <keith.busch@intel.com>
|
||
|
|
Description:
|
||
|
|
The directory containing symlinks to memory targets that
|
||
|
|
this initiator node has class "Y" access.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/accessY/initiators/read_bandwidth
|
||
|
|
Date: December 2018
|
||
|
|
Contact: Keith Busch <keith.busch@intel.com>
|
||
|
|
Description:
|
||
|
|
This node's read bandwidth in MB/s when accessed from
|
||
|
|
nodes found in this access class's linked initiators.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/accessY/initiators/read_latency
|
||
|
|
Date: December 2018
|
||
|
|
Contact: Keith Busch <keith.busch@intel.com>
|
||
|
|
Description:
|
||
|
|
This node's read latency in nanoseconds when accessed
|
||
|
|
from nodes found in this access class's linked initiators.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/accessY/initiators/write_bandwidth
|
||
|
|
Date: December 2018
|
||
|
|
Contact: Keith Busch <keith.busch@intel.com>
|
||
|
|
Description:
|
||
|
|
This node's write bandwidth in MB/s when accessed from
|
||
|
|
found in this access class's linked initiators.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/accessY/initiators/write_latency
|
||
|
|
Date: December 2018
|
||
|
|
Contact: Keith Busch <keith.busch@intel.com>
|
||
|
|
Description:
|
||
|
|
This node's write latency in nanoseconds when access
|
||
|
|
from nodes found in this class's linked initiators.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/
|
||
|
|
Date: December 2018
|
||
|
|
Contact: Keith Busch <keith.busch@intel.com>
|
||
|
|
Description:
|
||
|
|
The directory containing attributes for the memory-side cache
|
||
|
|
level 'Y'.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/indexing
|
||
|
|
Date: December 2018
|
||
|
|
Contact: Keith Busch <keith.busch@intel.com>
|
||
|
|
Description:
|
||
|
|
The caches associativity indexing: 0 for direct mapped,
|
||
|
|
non-zero if indexed.
|
||
|
|
|
||
|
|
What: /sys/devices/system/node/nodeX/memory_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/memory_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/memory_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,
|
||
|
|
other or unknown.
|