Capturing 'perf' data across mulitple files representing defined time periods

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When using perf to review event frequency during issues with a short time-frame, it is useful to capture multiple perf.data.<date> output files and associated archive data. Each output file can then represent a time-slice closely tuned to an issue's duration. Tuning perf data file size in this way can result in a more favourable signal-to-noise ratio which in tu...

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