forked from ~ljy/RK356X_SDK_RELEASE

hc
2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a
kernel/Documentation/ABI/stable/sysfs-devices-node
....@@ -54,14 +54,14 @@
5454 Contact: Linux Memory Management list <linux-mm@kvack.org>
5555 Description:
5656 Provides information about the node's distribution and memory
57
- utilization. Similar to /proc/meminfo, see Documentation/filesystems/proc.txt
57
+ utilization. Similar to /proc/meminfo, see Documentation/filesystems/proc.rst
5858
5959 What: /sys/devices/system/node/nodeX/numastat
6060 Date: October 2002
6161 Contact: Linux Memory Management list <linux-mm@kvack.org>
6262 Description:
6363 The node's hit/miss statistics, in units of pages.
64
- See Documentation/numastat.txt
64
+ See Documentation/admin-guide/numastat.rst
6565
6666 What: /sys/devices/system/node/nodeX/distance
6767 Date: October 2002
....@@ -90,4 +90,89 @@
9090 Contact: Lee Schermerhorn <lee.schermerhorn@hp.com>
9191 Description:
9292 The node's huge page size control/query attributes.
93
- See Documentation/admin-guide/mm/hugetlbpage.rst
93
+ See Documentation/admin-guide/mm/hugetlbpage.rst
94
+
95
+What: /sys/devices/system/node/nodeX/accessY/
96
+Date: December 2018
97
+Contact: Keith Busch <keith.busch@intel.com>
98
+Description:
99
+ The node's relationship to other nodes for access class "Y".
100
+
101
+What: /sys/devices/system/node/nodeX/accessY/initiators/
102
+Date: December 2018
103
+Contact: Keith Busch <keith.busch@intel.com>
104
+Description:
105
+ The directory containing symlinks to memory initiator
106
+ nodes that have class "Y" access to this target node's
107
+ memory. CPUs and other memory initiators in nodes not in
108
+ the list accessing this node's memory may have different
109
+ performance.
110
+
111
+What: /sys/devices/system/node/nodeX/accessY/targets/
112
+Date: December 2018
113
+Contact: Keith Busch <keith.busch@intel.com>
114
+Description:
115
+ The directory containing symlinks to memory targets that
116
+ this initiator node has class "Y" access.
117
+
118
+What: /sys/devices/system/node/nodeX/accessY/initiators/read_bandwidth
119
+Date: December 2018
120
+Contact: Keith Busch <keith.busch@intel.com>
121
+Description:
122
+ This node's read bandwidth in MB/s when accessed from
123
+ nodes found in this access class's linked initiators.
124
+
125
+What: /sys/devices/system/node/nodeX/accessY/initiators/read_latency
126
+Date: December 2018
127
+Contact: Keith Busch <keith.busch@intel.com>
128
+Description:
129
+ This node's read latency in nanoseconds when accessed
130
+ from nodes found in this access class's linked initiators.
131
+
132
+What: /sys/devices/system/node/nodeX/accessY/initiators/write_bandwidth
133
+Date: December 2018
134
+Contact: Keith Busch <keith.busch@intel.com>
135
+Description:
136
+ This node's write bandwidth in MB/s when accessed from
137
+ found in this access class's linked initiators.
138
+
139
+What: /sys/devices/system/node/nodeX/accessY/initiators/write_latency
140
+Date: December 2018
141
+Contact: Keith Busch <keith.busch@intel.com>
142
+Description:
143
+ This node's write latency in nanoseconds when access
144
+ from nodes found in this class's linked initiators.
145
+
146
+What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/
147
+Date: December 2018
148
+Contact: Keith Busch <keith.busch@intel.com>
149
+Description:
150
+ The directory containing attributes for the memory-side cache
151
+ level 'Y'.
152
+
153
+What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/indexing
154
+Date: December 2018
155
+Contact: Keith Busch <keith.busch@intel.com>
156
+Description:
157
+ The caches associativity indexing: 0 for direct mapped,
158
+ non-zero if indexed.
159
+
160
+What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/line_size
161
+Date: December 2018
162
+Contact: Keith Busch <keith.busch@intel.com>
163
+Description:
164
+ The number of bytes accessed from the next cache level on a
165
+ cache miss.
166
+
167
+What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/size
168
+Date: December 2018
169
+Contact: Keith Busch <keith.busch@intel.com>
170
+Description:
171
+ The size of this memory side cache in bytes.
172
+
173
+What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/write_policy
174
+Date: December 2018
175
+Contact: Keith Busch <keith.busch@intel.com>
176
+Description:
177
+ The cache write policy: 0 for write-back, 1 for write-through,
178
+ other or unknown.