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66 lines
1.2 KiB
Python
66 lines
1.2 KiB
Python
# Define JS engine activities
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# This must match the C++ enum used by the engine instrumentation patch:
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# For each int value of the enum, there should be a corresponding
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# element in this list with an appropriate name.
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states = [
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'exitlast',
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'interpret',
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'monitor',
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'record',
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'compile',
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'execute',
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'native',
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]
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# 'State' codes of this number or higher are actually 'instantaneous' events.
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event_start = 8;
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flush_reasons = [
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'B',
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'O',
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'S',
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'G'
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]
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# Must match C++ enum
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reasons = [
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'none',
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'abort',
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'inner',
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'doubles',
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'callback',
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'anchor',
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'backoff',
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'cold',
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'record',
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'peers',
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'execute',
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'stabilize',
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'extendFlush',
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'extendMaxBranches',
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'extendStart',
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'extendCold',
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'scopeChainCheck',
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'extendOuter',
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'mismatchExit',
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'oomExit',
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'overflowExit',
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'timeoutExit',
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'deepBailExit',
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'statusExit',
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'otherExit',
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# Special stuff that doesn't match C++
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'start',
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]
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# Estimated speedup vs. the interpreter when doing a given activity.
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# Activities not listed default to 0.
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speedup_d = {
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'interpret': 1.0,
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'record': 0.95,
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'native': 2.5
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}
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speedups = [ speedup_d.get(name, 0) for name in states ]
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