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178 lines
5.9 KiB
178 lines
5.9 KiB
What: /sys/devices/system/node/possible |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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Nodes that could be possibly become online at some point. |
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What: /sys/devices/system/node/online |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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Nodes that are online. |
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What: /sys/devices/system/node/has_normal_memory |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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Nodes that have regular memory. |
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What: /sys/devices/system/node/has_cpu |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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Nodes that have one or more CPUs. |
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What: /sys/devices/system/node/has_high_memory |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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Nodes that have regular or high memory. |
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Depends on CONFIG_HIGHMEM. |
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What: /sys/devices/system/node/nodeX |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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When CONFIG_NUMA is enabled, this is a directory containing |
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information on node X such as what CPUs are local to the |
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node. Each file is detailed next. |
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What: /sys/devices/system/node/nodeX/cpumap |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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The node's cpumap. |
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What: /sys/devices/system/node/nodeX/cpulist |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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The CPUs associated to the node. |
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What: /sys/devices/system/node/nodeX/meminfo |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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Provides information about the node's distribution and memory |
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utilization. Similar to /proc/meminfo, see Documentation/filesystems/proc.rst |
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What: /sys/devices/system/node/nodeX/numastat |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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The node's hit/miss statistics, in units of pages. |
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See Documentation/admin-guide/numastat.rst |
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What: /sys/devices/system/node/nodeX/distance |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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Distance between the node and all the other nodes |
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in the system. |
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What: /sys/devices/system/node/nodeX/vmstat |
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Date: October 2002 |
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Contact: Linux Memory Management list <[email protected]> |
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Description: |
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The node's zoned virtual memory statistics. |
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This is a superset of numastat. |
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What: /sys/devices/system/node/nodeX/compact |
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Date: February 2010 |
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Contact: Mel Gorman <[email protected]> |
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Description: |
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When this file is written to, all memory within that node |
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will be compacted. When it completes, memory will be freed |
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into blocks which have as many contiguous pages as possible |
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What: /sys/devices/system/node/nodeX/hugepages/hugepages-<size>/ |
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Date: December 2009 |
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Contact: Lee Schermerhorn <[email protected]> |
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Description: |
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The node's huge page size control/query attributes. |
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See Documentation/admin-guide/mm/hugetlbpage.rst |
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What: /sys/devices/system/node/nodeX/accessY/ |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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The node's relationship to other nodes for access class "Y". |
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What: /sys/devices/system/node/nodeX/accessY/initiators/ |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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The directory containing symlinks to memory initiator |
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nodes that have class "Y" access to this target node's |
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memory. CPUs and other memory initiators in nodes not in |
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the list accessing this node's memory may have different |
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performance. |
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What: /sys/devices/system/node/nodeX/accessY/targets/ |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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The directory containing symlinks to memory targets that |
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this initiator node has class "Y" access. |
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What: /sys/devices/system/node/nodeX/accessY/initiators/read_bandwidth |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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This node's read bandwidth in MB/s when accessed from |
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nodes found in this access class's linked initiators. |
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What: /sys/devices/system/node/nodeX/accessY/initiators/read_latency |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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This node's read latency in nanoseconds when accessed |
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from nodes found in this access class's linked initiators. |
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What: /sys/devices/system/node/nodeX/accessY/initiators/write_bandwidth |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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This node's write bandwidth in MB/s when accessed from |
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found in this access class's linked initiators. |
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What: /sys/devices/system/node/nodeX/accessY/initiators/write_latency |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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This node's write latency in nanoseconds when access |
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from nodes found in this class's linked initiators. |
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What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/ |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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The directory containing attributes for the memory-side cache |
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level 'Y'. |
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What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/indexing |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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The caches associativity indexing: 0 for direct mapped, |
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non-zero if indexed. |
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What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/line_size |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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The number of bytes accessed from the next cache level on a |
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cache miss. |
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What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/size |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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The size of this memory side cache in bytes. |
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What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/write_policy |
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Date: December 2018 |
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Contact: Keith Busch <[email protected]> |
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Description: |
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The cache write policy: 0 for write-back, 1 for write-through, |
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other or unknown.
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