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Document migrateval

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Neil Horman 2022-04-07 08:25:42 -04:00
parent 0d47c11156
commit 917b10268c
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irqbalance.1
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@ -134,6 +134,17 @@ script processing should continue
This indicates that an error has occurred in the script, and it should be skipped
(further processing to continue)
.TP
.B --migrateval, -e <val>
Specify a minimum migration ratio to trigger a rebalancing
Normally any improvement in load distribution will trigger the migration of an
irq, as long as preforming the migration will not simply move the load to a new
cpu. By specifying a migration value, the load balance improvement is subject
to hysteresis defined by this value, which is inversely propotional to the
value. For example, a value of 2 in this option tells irqbalance that the
improvement in load distribution must be at least 50%, a value of 4 indicates
the load distribution improvement must be at least 25%, etc
.TP
.B -s, --pid=<file>
Have irqbalance write its process id to the specified file. By default no