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27ee719fb3
The current heap sampling introduces some bias that interferes with unsampling, producing unexpected heap profiles. The solution is to use a Poisson process to generate the sampling points, using the formulas described at https://en.wikipedia.org/wiki/Poisson_process This fixes #12620 Change-Id: If2400809ed3c41de504dd6cff06be14e476ff96c Reviewed-on: https://go-review.googlesource.com/14590 Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Minux Ma <minux@golang.org> Run-TryBot: Minux Ma <minux@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
44 lines
890 B
Go
44 lines
890 B
Go
// AUTO-GENERATED by mkfastlog2table.go
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// Run go generate from src/runtime to update.
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// See mkfastlog2table.go for comments.
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package runtime
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const fastlogNumBits = 5
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var fastlog2Table = [1<<fastlogNumBits + 1]float64{
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0,
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0.0443941193584535,
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0.08746284125033943,
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0.12928301694496647,
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0.16992500144231248,
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0.2094533656289499,
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0.24792751344358555,
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0.28540221886224837,
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0.3219280948873623,
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0.3575520046180837,
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0.39231742277876036,
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0.4262647547020979,
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0.4594316186372973,
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0.4918530963296748,
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0.5235619560570128,
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0.5545888516776374,
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0.5849625007211563,
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0.6147098441152082,
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0.6438561897747247,
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0.6724253419714956,
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0.7004397181410922,
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0.7279204545631992,
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0.7548875021634686,
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0.7813597135246596,
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0.8073549220576042,
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0.8328900141647417,
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0.8579809951275721,
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0.8826430493618412,
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0.9068905956085185,
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0.9307373375628862,
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0.9541963103868752,
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0.9772799234999164,
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1,
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}
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