As part of the Performance Co-Pilot Log Import API (see
LOGIMPORT(3)), pmiGetHandle creates a handle for a given metric and
instance. The handle is returned as the value from the pmiGetHandle
call and can be used in subsequent calls to pmiPutValueHandle(3).
The metric's name should match one defined earlier in a call to
For singular metrics (those defined with an instance domain of
PM_INDOM_NULL), the instance should be NULL or an empty string,
otherwise instance should match the name of an instance defined
earlier in a call to pmiAddInstance(3) for the metric's instance
When combined with pmiPutValueHandle(3), the use of handles provide a
performance improvement over the alternative lookup for a metric name
and an instance name for each data value that is required for
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Performance Co-Pilot PMIGETHANDLE3()