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45 lines
2.0 KiB
C++
45 lines
2.0 KiB
C++
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#pragma once
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namespace lsplant::art::gc {
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// What caused the GC?
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enum GcCause {
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// Invalid GC cause used as a placeholder.
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kGcCauseNone,
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// GC triggered by a failed allocation. Thread doing allocation is blocked waiting for GC before
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// retrying allocation.
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kGcCauseForAlloc,
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// A background GC trying to ensure there is free memory ahead of allocations.
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kGcCauseBackground,
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// An explicit System.gc() call.
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kGcCauseExplicit,
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// GC triggered for a native allocation when NativeAllocationGcWatermark is exceeded.
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// (This may be a blocking GC depending on whether we run a non-concurrent collector).
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kGcCauseForNativeAlloc,
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// GC triggered for a collector transition.
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kGcCauseCollectorTransition,
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// Not a real GC cause, used when we disable moving GC (currently for GetPrimitiveArrayCritical).
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kGcCauseDisableMovingGc,
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// Not a real GC cause, used when we trim the heap.
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kGcCauseTrim,
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// Not a real GC cause, used to implement exclusion between GC and instrumentation.
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kGcCauseInstrumentation,
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// Not a real GC cause, used to add or remove app image spaces.
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kGcCauseAddRemoveAppImageSpace,
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// Not a real GC cause, used to implement exclusion between GC and debugger.
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kGcCauseDebugger,
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// GC triggered for background transition when both foreground and background collector are CMS.
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kGcCauseHomogeneousSpaceCompact,
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// Class linker cause, used to guard filling art methods with special values.
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kGcCauseClassLinker,
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// Not a real GC cause, used to implement exclusion between code cache metadata and GC.
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kGcCauseJitCodeCache,
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// Not a real GC cause, used to add or remove system-weak holders.
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kGcCauseAddRemoveSystemWeakHolder,
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// Not a real GC cause, used to prevent hprof running in the middle of GC.
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kGcCauseHprof,
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// Not a real GC cause, used to prevent GetObjectsAllocated running in the middle of GC.
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kGcCauseGetObjectsAllocated,
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// GC cause for the profile saver.
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kGcCauseProfileSaver,
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};
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} // namespace art
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