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Reset CPU utilization stats post-restore #16862

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dsouzai opened this issue Mar 8, 2023 · 0 comments
Open

Reset CPU utilization stats post-restore #16862

dsouzai opened this issue Mar 8, 2023 · 0 comments
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comp:jit criu Used to track CRIU snapshot related work

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@dsouzai
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dsouzai commented Mar 8, 2023

CpuUtilization keeps track of JVM CPU usage. When restoring from a checkpoint, there is no value in having information about CPU usage pre-checkpoint (except perhaps for compiler developers). Therefore, reset the fields in the CpuUtilization object. It may be worth also looking into resetting CPU stats of various compiler threads.

Implementing this safely depends on having #16859 implemented.
@dsouzai dsouzai added comp:jit criu Used to track CRIU snapshot related work labels Mar 8, 2023
@dsouzai dsouzai mentioned this issue Mar 8, 2023
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