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brendangregg / perf-tools

Performance analysis tools based on Linux perf_events (aka perf) and ftrace
GNU General Public License v2.0
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Fixes #81 - When the kernel informs us of LOST EVENTS, clear lastfile #84

Closed jamagin closed 4 years ago

jamagin commented 5 years ago

Correlating two lines seperated by a gulf of lost events results in spurious output, for example a open that was attempted on a non-existing file, but which seems to have resulted in a valid returncode.

brendangregg commented 4 years ago

thanks!