Add time metrics to aquire fork-choice lock #6204
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Co-authored-by: Michael Sproul <[email protected]>
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* Add time metrics to aquire fork-choice lock * Apply suggestions from code review Co-authored-by: Michael Sproul <[email protected]> * Merge remote-tracking branch 'sigp/unstable' into fork-choice-lock-metrics * fix merge issue
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Issue Addressed
Better visibility into lock contention issues regarding the fork-choice
Proposed Changes
Add basic time metrics to aquire fork-choice lock, without labels
Possible improvements
fn fork_choice_write_lock(label: &str)so that each caller tags the time measurement by its location.(RwLockWriteGuard<BeaconForkChoice<T>>, HistogramTimer)to always time how long the lock is acquired for. Is there a cleaner way to achieve the same goal generically? Can we mess withRwLockWriteGuard?