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Michael Anthony Knyszek ccfcc30f3e runtime: clean up dead P trace state when disabling tracing too
Right now, we're careful to clean up dead P state when we advance to
future trace generations. If we don't, then if that P comes back to
life, we might end up using its old stale trace state.

Unfortunately, we never handled this in the case when tracing stops,
only when advancing to new generations. As a result, stopping a trace,
starting it again, and then bringing a P back to life in the following
generation meant that the dead P could be using stale state.

Fixes #65318.

Change-Id: I9297d9e58a254f2be933b8007a6ef7c5ec3ef4f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/567077
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
2024-03-08 19:58:37 +00:00
.github github: switch seen/expected order in issue forms 2024-01-04 23:31:17 +00:00
api unicode/utf16: add func RuneLen 2024-03-07 19:08:48 +00:00
doc unicode/utf16: add func RuneLen 2024-03-07 19:08:48 +00:00
lib/time lib/time: use consistent directory in mkzip usage message 2024-03-04 17:32:07 +00:00
misc misc/wasm: support new wasmtime CLI 2023-11-19 21:11:54 +00:00
src runtime: clean up dead P trace state when disabling tracing too 2024-03-08 19:58:37 +00:00
test cmd/compile: fix copying SSA-able variables optimization 2024-03-08 02:00:33 +00:00
.gitattributes
.gitignore internal/platform,cmd/dist: export the list of supported platforms 2023-06-22 19:44:52 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
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README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +00:00
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00

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