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Raul Silvera 2dd066d4a7 test: improve test coverage for heap sampling 
Update the test in test/heapsampling.go to more thoroughly validate heap sampling.
Lower the sampling rate on the test to ensure allocations both smaller and
larger than the sampling rate are tested.

Tighten up the validation check to a 10% difference between the unsampled and correct value.
Because of the nature of random sampling, it is possible that the unsampled value fluctuates
over that range. To avoid flakes, run the experiment three times and only report an issue if the
same location consistently falls out of range on all experiments.

This tests the sampling fix in cl/158337.

Change-Id: I54a709e5c75827b8b1c2d87cdfb425ab09759677
GitHub-Last-Rev: 7c04f12603
GitHub-Pull-Request: golang/go#26944
Reviewed-on: https://go-review.googlesource.com/c/go/+/129117
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
2019-03-07 21:05:15 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api text/scanner: don't liberally consume (invalid) floats or underbars 2019-02-20 20:23:28 +00:00
doc doc: add missing paragraph break in Effective Go 2019-03-07 04:46:03 +00:00
lib/time time: read 64-bit data if available 2019-02-26 23:10:35 +00:00
misc misc: fix typos in various docs 2019-03-07 07:30:06 +00:00
src net/http: let Transport request body writes use sendfile 2019-03-07 20:11:21 +00:00
test test: improve test coverage for heap sampling 2019-03-07 21:05:15 +00:00
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AUTHORS A+C: change email address for Elias Naur 2019-01-23 15:05:26 +00:00
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CONTRIBUTORS CONTRIBUTORS: second round of updates for Go 1.12 2019-01-30 18:01:19 +00:00
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README.md

The Go Programming Language

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