Add experimental DebugTracing logger for internal use#18531

Merged

bvaughn merged 17 commits intofacebook:masterfrom bvaughn:debug-logging

Apr 16, 2020

+1,050-19

Commits on Apr 15, 2020

Add feature flag: enableDebugTracing
Brian Vaughn
committed
Added debug tracing
Brian Vaughn
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Added formatting/colors to debug tracing
Brian Vaughn
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Renamed DebugTrace test to be internal only
Brian Vaughn
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Log changes based on feedback:
Brian Vaughn
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Log additional state update and thennable
Brian Vaughn
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Re-use update.priority without recalculating it
Brian Vaughn
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Add DebugTraceMode to limit logging by subtree
Brian Vaughn
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Merged changes from .old to .new
Brian Vaughn
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Experimental gate DebugTracing test
Brian Vaughn
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Addressed PR feedback and tweaked a few things:
Brian Vaughn
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Disabled debug tracing feature flag by default; declared as variant
Brian Vaughn
committed

Commits on Apr 16, 2020

Renamed references to be consistently named (trace -> tracing)
Brian Vaughn
committed
Backed out conditional symbol export because it was breaking tests
Brian Vaughn
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Add more test gating to fix broken targets
Brian Vaughn
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Added redundant feature flag guards to exported functions to make sure they don't leak into builds
Brian Vaughn
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Added a few more feature flag guards and renamed DebugTracingMode export to unstable_*
Brian Vaughn
committed