Computer-implemented method, program, and tracer node for obtaining trace data relating to particular virtual machine
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United States of America Patent
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Sep 20, 2016
Grant Date -
Oct 2, 2014
app pub date -
Mar 24, 2014
filing date -
Mar 29, 2013
priority date (Note) -
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Abstract
An improved method for identifying trace data relating to a particular virtual machine from trace data acquired by a tracer node. The method is executed in a computing environment including at least one processing node and a tracer node for acquiring a trace of access to a memory apparatus thereof. The method includes the steps of: starting recording of trace data containing information of the trace of the access to the memory apparatus of the tracer node; storing, in response to migration of the particular virtual machine from a given processing node to the tracer node, information identifying a physical address of the memory apparatus of the tracer node, the physical address being assigned to the particular virtual machine; and identifying the trace data relating to the particular virtual machine from the trace data, using the assigned physical address of the memory apparatus of the tracer node.
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