[v9.x backport] deps: cherry-pick 15c0c3a8ba and 43e2fb1c3d from upstream V8 #19333
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nodejs-github-bot
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Splitting this PR into two PRs doesn't make sense as the second commit fixes a bug introduced with the first. We should never end up in having just one of them. |
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@Flarna that makes sense /cc @nodejs/platform-aix re: failure |
test-performance was recently moved on master from parallel to sequential (#19228) as it was flaky. |
ofrobots
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Mar 15, 2018
These changes avoid a busy wait loop in V8 CPU Profiler thread for windows (except for short intervals). It would be good if this is also backported to Node.js v9 and LTS releases as this busy loop effectively disallows the use of cpu-profiler in windows production setups. Original commit message 15c0c3a8ba: ``` [profiler] use Sleep() on windows for long profile intervals. See nodejs/diagnostics#170 [email protected] Change-Id: Iecc3bb27707b0d2afbb23fd9823d5cd4d725be6e Reviewed-on: https://chromium-review.googlesource.com/931102 Reviewed-by: Franziska Hinkelmann <[email protected]> Commit-Queue: Yang Guo <[email protected]> Cr-Commit-Position: refs/heads/master@{#51466} ``` Original commit message 43e2fb1c3d: ``` [profiler] fix sleeping on windows for long intervals. [email protected] Change-Id: I5717db794fc797e7c3b0b8f122ddb6dc0702a99e Reviewed-on: https://chromium-review.googlesource.com/941126 Reviewed-by: Franziska Hinkelmann <[email protected]> Commit-Queue: Yang Guo <[email protected]> Cr-Commit-Position: refs/heads/master@{#51755} ``` Refs: nodejs/diagnostics#170 Refs: #19200 Refs: v8/v8@15c0c3a Refs: v8/v8@43e2fb1
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I have updated commit messages as suggested by @ofrobots |
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These changes avoid a busy wait loop in V8 CPU Profiler thread for windows (except for short intervals). It would be good if this is also backported to Node.js v9 and LTS releases as this busy loop effectively disallows the use of cpu-profiler in windows production setups. Original commit message 15c0c3a8ba: ``` [profiler] use Sleep() on windows for long profile intervals. See nodejs/diagnostics#170 [email protected] Change-Id: Iecc3bb27707b0d2afbb23fd9823d5cd4d725be6e Reviewed-on: https://chromium-review.googlesource.com/931102 Reviewed-by: Franziska Hinkelmann <[email protected]> Commit-Queue: Yang Guo <[email protected]> Cr-Commit-Position: refs/heads/master@{#51466} ``` Original commit message 43e2fb1c3d: ``` [profiler] fix sleeping on windows for long intervals. [email protected] Change-Id: I5717db794fc797e7c3b0b8f122ddb6dc0702a99e Reviewed-on: https://chromium-review.googlesource.com/941126 Reviewed-by: Franziska Hinkelmann <[email protected]> Commit-Queue: Yang Guo <[email protected]> Cr-Commit-Position: refs/heads/master@{#51755} ``` PR-URL: #19333 Refs: nodejs/diagnostics#170 Refs: #19200 Refs: v8/v8@15c0c3a Refs: v8/v8@43e2fb1 Reviewed-By: Myles Borins <[email protected]>
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landed in 5966b8c |
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These changes avoid a busy wait loop in V8 CPU Profiler thread for windows (except for short intervals).
It would be good if this is also backported to Node.js v9 and LTS releases as this busy loop effectively disallows the use of CpuProfiler in Windows production setups.
Original commit message 15c0c3a8ba:
Original commit message 43e2fb1c3d:
Refs: nodejs/diagnostics#170
Refs: #19200
Refs: v8/v8@15c0c3a
Refs: v8/v8@43e2fb1
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