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Linux kernel counts the following metrics:
numa_hint_faults
Records how many NUMA hinting faults were trapped.numa_hint_faults_local
Shows how many of the hinting faults were to local nodes.
Essentially, the number of faults to foreign nodes is calculated as numa_hint_faults - numa_hint_faults_local
.
I could not figure out a good way to display a graph for foreign faults, so I propose to create numa_hint_faults_foreign
and deprecate numa_hint_faults
.
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