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Summary of Data Collection
Generate log of time-stamped events.
Type, procedure name, destination task.
Broad study of program behavior:
Examine communication relationships.
Localize sources of idle times.
Identify temporary hot spots.
Postprocessing to obtain profile, count, interval timer information.
Generation of higher-order statistics and summary data.
Disadvantage: huge volume of data.
Thousands of megabytes for large program runs.
: measuring changes behavior.
Extraction of relevant information difficult.
, Table 9.1 and Figure 9.1
Last modification: November 15, 1996