pkg/perf: More robust perf map parsing #1994
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Perf map files have fundamental race conditions between the producer and consumer and it's never guaranteed for lines to be complete or correct. Therefore we need to be more rigorous about validating lines and expecting the worst. This patch was originally triggered by a customer seeing panics with out of bounds accesses, which have been simulated in the added regression tests.
kakkoyun
approved these changes
Sep 7, 2023
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Perf map files have fundamental race conditions between the producer and consumer and it's never guaranteed for lines to be complete or correct. Therefore we need to be more rigorous about validating lines and expecting the worst. This patch was originally triggered by a customer seeing panics with out of bounds accesses, which have been simulated in the added regression tests.