os-exceptions: perform ost warn/exceptions search with hyperscan #595
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Signed-off-by: Mustafa Kemal Gilor <[email protected]>
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this is a proof-of-concept work. using "hyperscan" improves the runtime performance of hotsos by 5.32x(*) whilst keeping the functionality intact.
before: 36m24,760s
after: 6m50,791s
(*): in a known large sosreport file