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runtime/pprof: possible sampling error with large memprofile rate #25653

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josharian opened this issue May 31, 2018 · 0 comments
Open

runtime/pprof: possible sampling error with large memprofile rate #25653

josharian opened this issue May 31, 2018 · 0 comments
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Milestone
Backlog

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@josharian
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Split out from #25096, where @hyangah wrote:

With the default memprofile sampling rate, however, the results look different. The results are different from the results with -memprofilerate=1, too. The order in the top15 list varies a lot. This seems to me errors from sampling-based estimation, not the bug the original report suggested.

This is an issue to investigate that.
@josharian josharian added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label May 31, 2018
@josharian josharian added this to the Go1.12 milestone May 31, 2018
@josharian josharian mentioned this issue May 31, 2018
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@andybons andybons modified the milestones: Go1.12, Go1.13 Feb 12, 2019
@andybons andybons modified the milestones: Go1.13, Go1.14 Jul 8, 2019
@rsc rsc modified the milestones: Go1.14, Backlog Oct 9, 2019
@hyangah hyangah removed their assignment Apr 6, 2022
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Jul 7, 2022
@mknyszek mknyszek moved this to Triage Backlog in Go Compiler / Runtime Jul 15, 2022
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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Go Compiler / Runtime
Status: Triage Backlog
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Backlog
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@josharian @rsc @andybons @hyangah @gopherbot