2012-12-19 06:23:16 +08:00
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What: /sys/devices/system/node/possible
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Date: October 2002
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Contact: Linux Memory Management list <linux-mm@kvack.org>
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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 <linux-mm@kvack.org>
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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 <linux-mm@kvack.org>
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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 <linux-mm@kvack.org>
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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 <linux-mm@kvack.org>
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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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2010-03-06 05:42:16 +08:00
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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 <linux-mm@kvack.org>
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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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2012-12-19 06:23:16 +08:00
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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 <linux-mm@kvack.org>
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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 <linux-mm@kvack.org>
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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 <linux-mm@kvack.org>
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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.txt
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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 <linux-mm@kvack.org>
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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/numastat.txt
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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 <linux-mm@kvack.org>
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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 <linux-mm@kvack.org>
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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 <mel@csn.ul.ie>
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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 <lee.schermerhorn@hp.com>
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Description:
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The node's huge page size control/query attributes.
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See Documentation/vm/hugetlbpage.txt
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