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test: add test for Linux perf #20783

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mmarchini commented May 16, 2018 •
edited

Linux perf has been broken on V8 since the Turbofan/Ignition pipeline became the default compiler. Recently on V8 6.7, we got it back to work (through a flag). Since there are some Node.js tools and some huge Node.js deployments relying on Linux perf (and other external profilers), having tests will help to keep those tools more stable. This first version is marked as flaky since it shouldn't block releases or PRs, but it will help us know if something breaks in advance through v8-canary.

There are still some things to do before landing this, but I wanted to start gathering some feedback.

TODO list:

  • Wait for #19989 to land (not really necessary, but this test doesn't make sense without it)
  • Install Linux perf on some Linux machines: nodejs/build#1274 (also not a blocker)
  • Add more comments explaining the test and the fixture

/cc @nodejs/diagnostics

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • documentation is changed or added
  • commit message follows commit guidelines

@nodejs-github-bot nodejs-github-bot added the test label May 16, 2018

This was referenced May 16, 2018

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@mmarchini mmarchini force-pushed the mmarchini:test-linux-perf branch from d05a2ac to 34e1c60 May 16, 2018

@mmarchini mmarchini added dont-land-on-v4.x dont-land-on-v6.x dont-land-on-v8.x and removed dont-land-on-v4.x labels May 16, 2018

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mcollina commented May 16, 2018

Very good job! Do you know what is the overhead of the flag?
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joyeecheung commented May 17, 2018

This actually looks more like a V8 test, although I understand that it may be more difficult to detect all the dependencies and launch perf in the V8 test suites.
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mmarchini commented May 17, 2018

Very good job! Do you know what is the overhead of the flag?

Not yet, but it should be very low (imperceptible for most applications). Most overhead will be when functions are created, and even then it should be below 10%. I want to run benchmarks to measure that in the next few days.

This actually looks more like a V8 test

There's a test for the flag on V8, but there's no test specifically for Linux perf there. Since Linux perf is not officially supported by V8 I don't think we would be able to test it there.

This test is similar to test-postmortem-metadata.js, and it is intended to notify us early when/if something breaks. Since most use-cases for Linux perf are on Node.js and not on V8, I think it's reasonable to have this test here.
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test/parallel/parallel.status Outdated
@@ -7,6 +7,8 @@ prefix parallel
[true] # This section applies to all platforms
# Postmortem debugging data is prone to accidental removal during V8 updates.
test-postmortem-metadata: PASS,FLAKY
# Linux perf is prone to breakage during V8 updates.
test-linux-perf: PASS,FLAKY

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Is this the case here? I'm a bit worried that it will make it less likely to be caught early on. I'm not sure it is as likely to be broken as the postmortem data to warrant this.

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mmarchini May 18, 2018

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We do know if it breaks on nodejs/node-v8, that's how we know when there are postmortem metadata changes today.

Removing flakiness status from this test would make it a blocker on V8 updates if Linux perf stops to work again. I can remove it if that's what we want.

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mmarchini May 21, 2018

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Removed flakiness status from this test. It's easy to add it back if we want to.

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@mmarchini seems like the right answer, we can always change if it is a problem.

@mmarchini mmarchini added the work in progress (WIP) label May 21, 2018

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mmarchini commented May 21, 2018

CI: https://ci.nodejs.org/job/node-test-pull-request/14997/
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test/parallel/test-linux-perf.js Outdated
// NOTE (mmarchini): this test is meant to run only on Linux machines with Linux
// perf installed. It will skip if those criteria are not met.

const common = require('../common');

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Should there be a check for common.hasCrypto due to its use in the fixture?
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mmarchini commented May 23, 2018

From nodejs/build#1274:

maybe we could put the post-mortem and perf tests in a new directory under test that don't get run by default (since the results should only change during V8 updates), and use ci.nodejs.org/job/node-stress-single-test/build?delay=0sec to run the subset?

We could move those tests to test/v8-updates/test-postmortem-metadata.js and test/v8-updates/test-linux-perf.js (or test/third-parties, test/external-tools, etc.) and then have node-stress-single-test as a downstream project of node-update-v8-canary.

My only concern with this approach is that those tests won't run on cherry-pick PRs... Maybe they could run under node-test-commit-v8-linux as well. WDYT?
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mmarchini commented May 23, 2018

/cc @nodejs/v8-update this might be of your interest

@mmarchini mmarchini force-pushed the mmarchini:test-linux-perf branch from d8c5eaf to 87446ce May 28, 2018

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mmarchini commented May 28, 2018 •
edited

Moved test-postmortem-metadata and test-linux-perf to test/v8-updates/. test/v8-updates is ignored by make test but is executed with test-v8-all.

We can run test-linux-perf with node-stress-single-test with the parameters below. We just need to have Linux perf installed on Ubuntu 16.04 x64.

image

@joyeecheung @mhdawson @rvagg PTAL
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LGTM
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mhdawson commented May 29, 2018

@rvagg did you get perf installed on some machines? If so will look at how we add this to the v8 test job.
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mmarchini commented Jun 4, 2018

ping @rvagg

@mmarchini mmarchini changed the title [WIP] test: add test for Linux perf test: add test for Linux perf Jun 4, 2018

@mmarchini mmarchini removed the work in progress (WIP) label Jun 4, 2018

mmarchini added some commits May 28, 2018

@mmarchini
test: create new directory v8-updates 
`v8-updates` holds all tests related to V8 updates, for example, testing
for postmortem metadata chages.
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@mmarchini
test: add test for Linux perf 
This commit adds a test to validate if Linux perf is working correctly
on Node.js. The test is marked as flaky because its intention is to let
us know when changes on V8 potentially broke Linux perf, so we can fix
it before a new version of V8 lands on Node.js master.
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@mmarchini mmarchini Matheus Marchini
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@mmarchini mmarchini force-pushed the mmarchini:test-linux-perf branch from 87446ce to 4c486e2 Jun 4, 2018

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mmarchini commented Jun 4, 2018

CI: https://ci.nodejs.org/job/node-test-pull-request/15250/

mmarchini added a commit that referenced this pull request Jun 6, 2018

@mmarchini
test: add test for Linux perf 
This commit adds a test to validate if Linux perf is working correctly
on Node.js. The test is marked as flaky because its intention is to let
us know when changes on V8 potentially broke Linux perf, so we can fix
it before a new version of V8 lands on Node.js master.

PR-URL: #20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Verified
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@mmarchini mmarchini Matheus Marchini
GPG key ID: BE516BA4874DB4D9 Learn about signing commits
227ca87

targos added a commit that referenced this pull request Jun 7, 2018

@mmarchini @targos
test: create new directory v8-updates 
`v8-updates` holds all tests related to V8 updates, for example, testing
for postmortem metadata chages.

PR-URL: #20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Verified
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@targos targos Michaël Zasso
GPG key ID: 770F7A9A5AE15600 Learn about signing commits
00e3013

targos added a commit that referenced this pull request Jun 7, 2018

@mmarchini @targos
test: add test for Linux perf 
This commit adds a test to validate if Linux perf is working correctly
on Node.js. The test is marked as flaky because its intention is to let
us know when changes on V8 potentially broke Linux perf, so we can fix
it before a new version of V8 lands on Node.js master.

PR-URL: #20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Verified
This commit was signed with a verified signature.
@targos targos Michaël Zasso
GPG key ID: 770F7A9A5AE15600 Learn about signing commits
947604f

shisama added a commit to shisama/node that referenced this pull request Jun 9, 2018

@mmarchini @shisama
test: create new directory v8-updates 
`v8-updates` holds all tests related to V8 updates, for example, testing
for postmortem metadata chages.

PR-URL: nodejs#20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
2c23991

shisama added a commit to shisama/node that referenced this pull request Jun 9, 2018

@mmarchini @shisama
test: add test for Linux perf 
This commit adds a test to validate if Linux perf is working correctly
on Node.js. The test is marked as flaky because its intention is to let
us know when changes on V8 potentially broke Linux perf, so we can fix
it before a new version of V8 lands on Node.js master.

PR-URL: nodejs#20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
2db253a

shisama added a commit to shisama/node that referenced this pull request Jun 11, 2018

@mmarchini @shisama
test: create new directory v8-updates 
`v8-updates` holds all tests related to V8 updates, for example, testing
for postmortem metadata chages.

PR-URL: nodejs#20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
83a578e

shisama added a commit to shisama/node that referenced this pull request Jun 11, 2018

@mmarchini @shisama
test: add test for Linux perf 
This commit adds a test to validate if Linux perf is working correctly
on Node.js. The test is marked as flaky because its intention is to let
us know when changes on V8 potentially broke Linux perf, so we can fix
it before a new version of V8 lands on Node.js master.

PR-URL: nodejs#20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
971bd27

shisama added a commit to shisama/node that referenced this pull request Jun 12, 2018

@mmarchini @shisama
test: create new directory v8-updates 
`v8-updates` holds all tests related to V8 updates, for example, testing
for postmortem metadata chages.

PR-URL: nodejs#20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
d8aaf92

shisama added a commit to shisama/node that referenced this pull request Jun 12, 2018

@mmarchini @shisama
test: add test for Linux perf 
This commit adds a test to validate if Linux perf is working correctly
on Node.js. The test is marked as flaky because its intention is to let
us know when changes on V8 potentially broke Linux perf, so we can fix
it before a new version of V8 lands on Node.js master.

PR-URL: nodejs#20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
29447be

targos added a commit that referenced this pull request Jun 13, 2018

@mmarchini @targos
test: create new directory v8-updates 
`v8-updates` holds all tests related to V8 updates, for example, testing
for postmortem metadata chages.

PR-URL: #20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
e16036c

targos added a commit that referenced this pull request Jun 13, 2018

@mmarchini @targos
test: add test for Linux perf 
This commit adds a test to validate if Linux perf is working correctly
on Node.js. The test is marked as flaky because its intention is to let
us know when changes on V8 potentially broke Linux perf, so we can fix
it before a new version of V8 lands on Node.js master.

PR-URL: #20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
a4ad989

This was referenced Jun 14, 2018

Closed
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mmarchini added a commit to mmarchini/build that referenced this pull request Jun 14, 2018

@mmarchini
jenkins: add node-test-commit-v8-linux script 
Ref: nodejs#1342
Ref: nodejs/node#20783
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9a03fa2

@mmarchini mmarchini referenced this pull request Jun 14, 2018

Closed

jenkins: add node-test-commit-v8-linux script #1344

mmarchini added a commit to mmarchini/build that referenced this pull request Jun 14, 2018

@mmarchini
jenkins: add node-test-commit-v8-linux script 
Ref: nodejs#1342
Ref: nodejs/node#20783
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6916a66

shisama added a commit to shisama/node that referenced this pull request Jun 17, 2018

@mmarchini @shisama
test: create new directory v8-updates 
`v8-updates` holds all tests related to V8 updates, for example, testing
for postmortem metadata chages.

PR-URL: nodejs#20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
36e2a51

shisama added a commit to shisama/node that referenced this pull request Jun 17, 2018

@mmarchini @shisama
test: add test for Linux perf 
This commit adds a test to validate if Linux perf is working correctly
on Node.js. The test is marked as flaky because its intention is to let
us know when changes on V8 potentially broke Linux perf, so we can fix
it before a new version of V8 lands on Node.js master.

PR-URL: nodejs#20783
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
2357aca

@targos targos referenced this pull request Jun 19, 2018

Merged

v10.5.0 proposal #21400

This was referenced Jun 20, 2018

Closed
Closed

calebeby added a commit to Pigmice2733/scouting-frontend that referenced this pull request Jun 20, 2018

@renovate @calebeby
Update Node.js to v10.5.0 (#194) 
This Pull Request updates dependency [node](https://github.com/nodejs/node) from `v10.4.1` to `v10.5.0`



<details>
<summary>Release Notes</summary>

### [`v10.5.0`](https://github.com/nodejs/node/releases/v10.5.0)
[Compare Source](nodejs/node@v10.4.1...v10.5.0)
##### Notable Changes
 
* **crypto**:
  * Support for `crypto.scrypt()` has been added. [#&#8203;20816](`nodejs/node#20816)
* **fs**:
  * BigInt support has been added to `fs.stat` and `fs.watchFile`. [#&#8203;20220](`nodejs/node#20220)
  * APIs that take `mode` as arguments no longer throw on values larger than
    `0o777`. [#&#8203;20636](`nodejs/node#20636) [#&#8203;20975](`nodejs/node#20975) (Fixes: [#&#8203;20498](`nodejs/node#20498))
  * Fix crashes in closed event watchers. [#&#8203;20985](`nodejs/node#20985) (Fixes: [#&#8203;20297](`nodejs/node#20297))
* **Worker Threads**:
  * Support for multi-threading has been added behind the
    `--experimental-worker` flag in the `worker_threads` module. This feature
    is *experimental* and may receive breaking changes at any time. [#&#8203;20876](`nodejs/node#20876)
##### Commits
 
* [[`a6986fe8b6`](nodejs/node@a6986fe)] - **async_hooks**: remove deprecated example (Mathias Buus) [#&#8203;20998](`nodejs/node#20998)
* [[`4b9817bf1e`](nodejs/node@4b9817b)] - **benchmark**: disable only the ESLint rule needing it (Rich Trott) [#&#8203;21133](`nodejs/node#21133)
* [[`ecba1c57b1`](nodejs/node@ecba1c5)] - **(SEMVER-MINOR)** **benchmark**: port cluster/echo to worker (Timothy Gu) [#&#8203;20876](`nodejs/node#20876)
* [[`02adb2d62c`](nodejs/node@02adb2d)] - **(SEMVER-MINOR)** **build**: expose openssl scrypt functions to addons (Ben Noordhuis) [#&#8203;20816](`nodejs/node#20816)
* [[`c3fbac432f`](nodejs/node@c3fbac4)] - **build**: install markdown linter for travis (Richard Lau) [#&#8203;21215](`nodejs/node#21215)
* [[`896017b134`](nodejs/node@896017b)] - **build**: build addon tests in parallel (Anna Henningsen) [#&#8203;21155](`nodejs/node#21155)
* [[`76927fc734`](nodejs/node@76927fc)] - **build**: stop distclean from deleting v8 files (Ujjwal Sharma) [#&#8203;21164](`nodejs/node#21164)
* [[`b044256f2a`](nodejs/node@b044256)] - **build**: use LC\_ALL of C for maximum compatibility (Rich Trott) [#&#8203;21222](`nodejs/node#21222)
* [[`78c7d666fb`](nodejs/node@78c7d66)] - **build**: don't change locale on smartos (Refael Ackermann) [#&#8203;21220](`nodejs/node#21220)
* [[`c688a00a6d`](nodejs/node@c688a00)] - **build**: fix 'gas\_version' check on localized environments (Evandro Oliveira) [#&#8203;20394](`nodejs/node#20394)
* [[`79b3423fb5`](nodejs/node@79b3423)] - **build**: initial .travis.yml implementation (Anna Henningsen) [#&#8203;21059](`nodejs/node#21059)
* [[`ea4be72f22`](nodejs/node@ea4be72)] - **child_process**: swallow errors in internal communication (Anatoli Papirovski) [#&#8203;21108](`nodejs/node#21108)
* [[`9981220e2a`](nodejs/node@9981220)] - **crypto**: fix behavior of createCipher in wrap mode (Tobias Nießen) [#&#8203;21287](`nodejs/node#21287)
* [[`d0cb9cbb35`](nodejs/node@d0cb9cb)] - **(SEMVER-MINOR)** **crypto**: drop Math.pow(), use static exponentation (Ben Noordhuis) [#&#8203;20816](`nodejs/node#20816)
* [[`2d9c3cc89d`](nodejs/node@2d9c3cc)] - **(SEMVER-MINOR)** **crypto**: refactor randomBytes() (Ben Noordhuis) [#&#8203;20816](`nodejs/node#20816)
* [[`6262fa44d6`](nodejs/node@6262fa4)] - **(SEMVER-MINOR)** **crypto**: refactor pbkdf2() and pbkdf2Sync() methods (Ben Noordhuis) [#&#8203;20816](`nodejs/node#20816)
* [[`c9b4592dbf`](nodejs/node@c9b4592)] - **(SEMVER-MINOR)** **crypto**: add scrypt() and scryptSync() methods (Ben Noordhuis) [#&#8203;20816](`nodejs/node#20816)
* [[`495756264a`](nodejs/node@4957562)] - **(SEMVER-MINOR)** **crypto**: DRY type checking (Ben Noordhuis) [#&#8203;20816](`nodejs/node#20816)
* [[`e4a7e0d28b`](nodejs/node@e4a7e0d)] - **deps**: float ea7abee from openssl / CVE-2018-0732 (Rod Vagg) [#&#8203;21282](`nodejs/node#21282)
* [[`0b90b071c4`](nodejs/node@0b90b07)] - **deps**: Upgrade node-inspect to 1.11.5 (Jan Krems) [#&#8203;21055](`nodejs/node#21055)
* [[`ffc29c12da`](nodejs/node@ffc29c1)] - **deps**: patch V8 to 6.7.288.46 (Myles Borins) [#&#8203;21260](`nodejs/node#21260)
* [[`14bb905d18`](nodejs/node@14bb905)] - **deps**: V8: cherry-pick a440efb27f from upstream (Yang Guo) [#&#8203;21022](`nodejs/node#21022)
* [[`65b9c427ac`](nodejs/node@65b9c42)] - **dns**: improve setServers() errors and performance (Jamie Davis) [#&#8203;20445](`nodejs/node#20445)
* [[`bc20ec0c0f`](nodejs/node@bc20ec0)] - **doc**: eliminate \_you\_ from N-API doc (Rich Trott) [#&#8203;21382](`nodejs/node#21382)
* [[`318d6831bf`](nodejs/node@318d683)] - **doc**: use imperative in COLLABORATOR\_GUIDE (Rich Trott) [#&#8203;21340](`nodejs/node#21340)
* [[`177a7c06a8`](nodejs/node@177a7c0)] - **doc**: remove obsolete wiki references from BUILDING (Rich Trott) [#&#8203;21369](`nodejs/node#21369)
* [[`15023df050`](nodejs/node@15023df)] - **doc**: add davisjam to collaborators (Jamie Davis) [#&#8203;21273](`nodejs/node#21273)
* [[`17c21b67ac`](nodejs/node@17c21b6)] - **doc**: fix indentation in console.md (Vse Mozhet Byt) [#&#8203;21367](`nodejs/node#21367)
* [[`ef74368416`](nodejs/node@ef74368)] - **doc**: fix heading of optional console method args (Michaël Zasso) [#&#8203;21311](`nodejs/node#21311)
* [[`4f17841c20`](nodejs/node@4f17841)] - **doc**: use Class Method label consistently (Rich Trott) [#&#8203;21357](`nodejs/node#21357)
* [[`4566ebacf4`](nodejs/node@4566eba)] - **doc**: wrap style guide at 80 characters (Rich Trott) [#&#8203;21361](`nodejs/node#21361)
* [[`6c41f33571`](nodejs/node@6c41f33)] - **doc**: wrap pull-requests.md at 80 characters (Rich Trott) [#&#8203;21361](`nodejs/node#21361)
* [[`b8213f17cc`](nodejs/node@b8213f1)] - **doc**: remove linking of url text to url (Rich Trott) [#&#8203;21361](`nodejs/node#21361)
* [[`3f78220c2b`](nodejs/node@3f78220)] - **doc**: correct styling of \_GitHub\_ in onboarding doc (Rich Trott) [#&#8203;21361](`nodejs/node#21361)
* [[`9e994cb119`](nodejs/node@9e994cb)] - **doc**: wrap releases.md at 80 chars (Rich Trott) [#&#8203;21361](`nodejs/node#21361)
* [[`e00e5e6d5d`](nodejs/node@e00e5e6)] - **doc**: switch the order of Writable and Readable (Joseph Gordon) [#&#8203;21333](`nodejs/node#21333)
* [[`e1b571d6b7`](nodejs/node@e1b571d)] - **doc**: make Deprecation cycle explanation more brief (Rich Trott) [#&#8203;21303](`nodejs/node#21303)
* [[`df0f7a3b4d`](nodejs/node@df0f7a3)] - **doc**: clarify async execute callback usage (Michael Dawson) [#&#8203;21217](`nodejs/node#21217)
* [[`c5a65594ef`](nodejs/node@c5a6559)] - **doc**: move 5 collaborators to emeritus status (Rich Trott) [#&#8203;21272](`nodejs/node#21272)
* [[`c1d53f86f8`](nodejs/node@c1d53f8)] - **doc**: update NODE\_OPTIONS section in cli.md (Vse Mozhet Byt) [#&#8203;21229](`nodejs/node#21229)
* [[`13fd09bfa7`](nodejs/node@13fd09b)] - **doc**: add build wg info to releases.md (Jon Moss) [#&#8203;21275](`nodejs/node#21275)
* [[`0da910f9a5`](nodejs/node@0da910f)] - **doc**: move Italo A. Casas to Release Emeritus (Myles Borins) [#&#8203;21315](`nodejs/node#21315)
* [[`6f7de0b8d9`](nodejs/node@6f7de0b)] - **doc**: trim deprecation level definition text (Rich Trott) [#&#8203;21241](`nodejs/node#21241)
* [[`dd2fc90dcf`](nodejs/node@dd2fc90)] - **doc**: fix reference to workerData in worker\_threads (Jeremiah Senkpiel) [#&#8203;21180](`nodejs/node#21180)
* [[`5e46c16371`](nodejs/node@5e46c16)] - **doc**: fix type in stream doc (Aliaksei Tuzik) [#&#8203;21178](`nodejs/node#21178)
* [[`85dc9ac418`](nodejs/node@85dc9ac)] - **doc**: add Michaël Zasso to Release team (Michaël Zasso) [#&#8203;21114](`nodejs/node#21114)
* [[`5fa5ab6c48`](nodejs/node@5fa5ab6)] - **doc**: naming function as suggested in addon docs (Tommaso Allevi) [#&#8203;21067](`nodejs/node#21067)
* [[`fe5d35123b`](nodejs/node@fe5d351)] - **(SEMVER-MINOR)** **doc**: document BigInt support in fs.Stats (Joyee Cheung) [#&#8203;20220](`nodejs/node#20220)
* [[`2c4f80ffba`](nodejs/node@2c4f80f)] - **doc**: remove spaces around slashes (Rich Trott) [#&#8203;21140](`nodejs/node#21140)
* [[`72e7e1da2d`](nodejs/node@72e7e1d)] - **doc**: alphabetize tls options (Rich Trott) [#&#8203;21139](`nodejs/node#21139)
* [[`06ac81e786`](nodejs/node@06ac81e)] - **doc**: streamline errors.md introductory material (Rich Trott) [#&#8203;21138](`nodejs/node#21138)
* [[`73b8975b41`](nodejs/node@73b8975)] - **doc**: simplify deprecation language (Rich Trott) [#&#8203;21136](`nodejs/node#21136)
* [[`6caa354377`](nodejs/node@6caa354)] - **(SEMVER-MINOR)** **doc**: explain Worker semantics in async\_hooks.md (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`9f9355d6d2`](nodejs/node@9f9355d)] - **doc**: fix inconsistent documentation (host vs hostname) (Davis Okoth) [#&#8203;20933](`nodejs/node#20933)
* [[`a5c571424a`](nodejs/node@a5c5714)] - **doc**: document file mode caveats on Windows (Joyee Cheung) [#&#8203;20636](`nodejs/node#20636)
* [[`a75e44d135`](nodejs/node@a75e44d)] - **esm**: ensure require.main for CJS top-level loads (Guy Bedford) [#&#8203;21150](`nodejs/node#21150)
* [[`04e8f0749e`](nodejs/node@04e8f07)] - **(SEMVER-MINOR)** **fs**: support BigInt in fs.\*stat and fs.watchFile (Joyee Cheung) [#&#8203;20220](`nodejs/node#20220)
* [[`c09bfd81b7`](nodejs/node@c09bfd8)] - **fs**: do not crash when using a closed fs event watcher (Joyee Cheung) [#&#8203;20985](`nodejs/node#20985)
* [[`bacb2cb550`](nodejs/node@bacb2cb)] - **fs**: refactor fs module (James M Snell) [#&#8203;20764](`nodejs/node#20764)
* [[`db0bb5214a`](nodejs/node@db0bb52)] - **fs**: improve fchmod{Sync} validation (cjihrig) [#&#8203;20588](`nodejs/node#20588)
* [[`2ffb9d6b5c`](nodejs/node@2ffb9d6)] - **fs**: drop duplicate API in promises mode (Сковорода Никита Андреевич) [#&#8203;20559](`nodejs/node#20559)
* [[`fc0b3610e2`](nodejs/node@fc0b361)] - **fs**: don't limit ftruncate() length to 32 bits (cjihrig) [#&#8203;20851](`nodejs/node#20851)
* [[`469baa062e`](nodejs/node@469baa0)] - **fs**: add length validation to fs.truncate() (cjihrig) [#&#8203;20851](`nodejs/node#20851)
* [[`6aade4a765`](nodejs/node@6aade4a)] - **http**: remove a pair of outdated comments (Mark S. Everitt) [#&#8203;21214](`nodejs/node#21214)
* [[`bcaf59c739`](nodejs/node@bcaf59c)] - **http2**: fix memory leak for uncommon headers (Anna Henningsen) [#&#8203;21336](`nodejs/node#21336)
* [[`dee250fd77`](nodejs/node@dee250f)] - **http2**: safer Http2Session destructor (Anatoli Papirovski) [#&#8203;21194](`nodejs/node#21194)
* [[`296fd57324`](nodejs/node@296fd57)] - **inspector**: stop dragging platform pointer (Eugene Ostroukhov) 
* [[`fb71337bdf`](nodejs/node@fb71337)] - **(SEMVER-MINOR)** **lib**: rename checkIsArrayBufferView() (Ben Noordhuis) [#&#8203;20816](`nodejs/node#20816)
* [[`f3570f201b`](nodejs/node@f3570f2)] - **(SEMVER-MINOR)** **lib**: replace checkUint() with validateInt32() (Ben Noordhuis) [#&#8203;20816](`nodejs/node#20816)
* [[`b4b7d368be`](nodejs/node@b4b7d36)] - **lib**: unmask mode\_t values with 0o777 (Joyee Cheung) [#&#8203;20975](`nodejs/node#20975)
* [[`36e5100a39`](nodejs/node@36e5100)] - **lib**: support ranges in validateInt32() (cjihrig) [#&#8203;20588](`nodejs/node#20588)
* [[`2fe88d2218`](nodejs/node@2fe88d2)] - **lib**: mask mode\_t type of arguments with 0o777 (Joyee Cheung) [#&#8203;20636](`nodejs/node#20636)
* [[`a0cfb0c9d4`](nodejs/node@a0cfb0c)] - **lib**: add validateInteger() validator (cjihrig) [#&#8203;20851](`nodejs/node#20851)
* [[`740d9f1a0e`](nodejs/node@740d9f1)] - **lib,src**: make `StatWatcher` a `HandleWrap` (Anna Henningsen) [#&#8203;21244](`nodejs/node#21244)
* [[`a657984109`](nodejs/node@a657984)] - **lib,src**: remove openssl feature conditionals (Ben Noordhuis) [#&#8203;21094](`nodejs/node#21094)
* [[`653b20b26d`](nodejs/node@653b20b)] - **loader**: remove unused error code in module\_job (Gus Caplan) [#&#8203;21354](`nodejs/node#21354)
* [[`5d3dfedca2`](nodejs/node@5d3dfed)] - **meta**: remove CODEOWNERS (Rich Trott) [#&#8203;21161](`nodejs/node#21161)
* [[`169bff3e9e`](nodejs/node@169bff3)] - **n-api**: name CallbackBundle function fields (Anna Henningsen) [#&#8203;21240](`nodejs/node#21240)
* [[`1dc9330b3a`](nodejs/node@1dc9330)] - **n-api**: improve runtime perf of n-api func call (Kenny Yuan) [#&#8203;21072](`nodejs/node#21072)
* [[`9047c8182c`](nodejs/node@9047c81)] - **n-api**: remove unused napi\_env member (Gabriel Schulhof) [#&#8203;21127](`nodejs/node#21127)
* [[`18c057ab26`](nodejs/node@18c057a)] - **net**: emit 'close' when socket ends before connect (Brett Kiefer) [#&#8203;21290](`nodejs/node#21290)
* [[`a3fd1cd8ea`](nodejs/node@a3fd1cd)] - **perf_hooks**: remove less useful bootstrap marks (James M Snell) [#&#8203;21247](`nodejs/node#21247)
* [[`8fddf591c5`](nodejs/node@8fddf59)] - **perf_hooks**: set bootstrap complete in only one place (James M Snell) [#&#8203;21247](`nodejs/node#21247)
* [[`fc2956d37a`](nodejs/node@fc2956d)] - **process**: backport process/methods file (Michaël Zasso) [#&#8203;21172](`nodejs/node#21172)
* [[`78ad4e9dde`](nodejs/node@78ad4e9)] - **src**: remove unused argc var in node\_stat\_watcher (Daniel Bevenius) [#&#8203;21337](`nodejs/node#21337)
* [[`7fa1344143`](nodejs/node@7fa1344)] - **src**: use `%zx` in printf for size\_t (Anna Henningsen) [#&#8203;21323](`nodejs/node#21323)
* [[`671346ee8f`](nodejs/node@671346e)] - **src**: do proper error checking in `AsyncWrap::MakeCallback` (Anna Henningsen) [#&#8203;21189](`nodejs/node#21189)
* [[`aa468abc4c`](nodejs/node@aa468ab)] - **src**: unify native symbol inspection code (Anna Henningsen) [#&#8203;21238](`nodejs/node#21238)
* [[`e92b89a75d`](nodejs/node@e92b89a)] - **src**: fix http2 typos (Anatoli Papirovski) [#&#8203;21194](`nodejs/node#21194)
* [[`4f01168414`](nodejs/node@4f01168)] - **src**: do not persist fs\_poll handle in stat\_watcher (Anatoli Papirovski) [#&#8203;21093](`nodejs/node#21093)
* [[`685b9b2a6a`](nodejs/node@685b9b2)] - **src**: do not persist timer handle in cares\_wrap (Anatoli Papirovski) [#&#8203;21093](`nodejs/node#21093)
* [[`4757771db3`](nodejs/node@4757771)] - **src**: add consistency check to node\_platform.cc (Anna Henningsen) [#&#8203;21156](`nodejs/node#21156)
* [[`8e2e16721b`](nodejs/node@8e2e167)] - **src**: add node\_encoding.cc (James M Snell) [#&#8203;21112](`nodejs/node#21112)
* [[`39b38754eb`](nodejs/node@39b3875)] - **src**: cleanup beforeExit for consistency (James M Snell) [#&#8203;21113](`nodejs/node#21113)
* [[`314b47d1cf`](nodejs/node@314b47d)] - **(SEMVER-MINOR)** **src**: add Env::profiler\_idle\_notifier\_started() (Timothy Gu) [#&#8203;20876](`nodejs/node#20876)
* [[`5209ff9562`](nodejs/node@5209ff9)] - **(SEMVER-MINOR)** **src**: remove unused fields msg\_ and env\_ (Daniel Bevenius) [#&#8203;20876](`nodejs/node#20876)
* [[`9a734132f9`](nodejs/node@9a73413)] - **(SEMVER-MINOR)** **src**: make handle onclose property a Symbol (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`e6f06807b1`](nodejs/node@e6f0680)] - **(SEMVER-MINOR)** **src**: simplify handle closing (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`65924c70e8`](nodejs/node@65924c7)] - **(SEMVER-MINOR)** **src**: remove unused fields isolate\_ (Daniel Bevenius) [#&#8203;20876](`nodejs/node#20876)
* [[`de7403f813`](nodejs/node@de7403f)] - **(SEMVER-MINOR)** **src**: cleanup per-isolate state on platform on isolate unregister (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`ba17c9e46b`](nodejs/node@ba17c9e)] - **src**: refactor bootstrap to use bootstrap object (James M Snell) [#&#8203;20917](`nodejs/node#20917)
* [[`cbdc1fdf44`](nodejs/node@cbdc1fd)] - **src, tools**: add check for left leaning pointers (Daniel Bevenius) [#&#8203;21010](`nodejs/node#21010)
* [[`935309325b`](nodejs/node@9353093)] - **test**: fix deprecation warning due to util.print (Tobias Nießen) [#&#8203;21265](`nodejs/node#21265)
* [[`d7ba75f8aa`](nodejs/node@d7ba75f)] - **test**: add test to check colorMode type of Console (Masashi Hirano) [#&#8203;21248](`nodejs/node#21248)
* [[`0b00172df8`](nodejs/node@0b00172)] - **test**: removing unnecessary parameter from assert call (djmgit) [#&#8203;21307](`nodejs/node#21307)
* [[`dea3ac7bff`](nodejs/node@dea3ac7)] - **test**: improve statwatcher async\_hooks test (Anna Henningsen) [#&#8203;21244](`nodejs/node#21244)
* [[`792335f712`](nodejs/node@792335f)] - **test**: add workerdata-sharedarraybuffer test (Jeremiah Senkpiel) [#&#8203;21180](`nodejs/node#21180)
* [[`e8d15cb149`](nodejs/node@e8d15cb)] - **test**: mark test-inspector-port-zero-cluster flaky (Rich Trott) [#&#8203;21251](`nodejs/node#21251)
* [[`688bdfef7f`](nodejs/node@688bdfe)] - **test**: add crypto check to test-http2-debug (Daniel Bevenius) [#&#8203;21205](`nodejs/node#21205)
* [[`2270ab2a12`](nodejs/node@2270ab2)] - **test**: remove string literals from assert.strictEqual() calls (James Kylstra) [#&#8203;21211](`nodejs/node#21211)
* [[`187951c0fc`](nodejs/node@187951c)] - **test**: move inspector-stress-http to sequential (Rich Trott) [#&#8203;21227](`nodejs/node#21227)
* [[`bda34ea203`](nodejs/node@bda34ea)] - **test**: check gc does not resurrect the loop (Anatoli Papirovski) [#&#8203;21093](`nodejs/node#21093)
* [[`4d782c4720`](nodejs/node@4d782c4)] - **test**: improve assert error messages (Hristijan Gjorgjievski) [#&#8203;21160](`nodejs/node#21160)
* [[`2655c7b194`](nodejs/node@2655c7b)] - **test**: mark fs-readfile-tostring-fail flaky for all (Rich Trott) [#&#8203;21177](`nodejs/node#21177)
* [[`17954c2b01`](nodejs/node@17954c2)] - **test**: improve internal/buffer.js test coverage (Masashi Hirano) [#&#8203;21061](`nodejs/node#21061)
* [[`2ff4704447`](nodejs/node@2ff4704)] - **test**: move test-readuint to test-buffer-readuint (Michaël Zasso) [#&#8203;21170](`nodejs/node#21170)
* [[`9c3a7bf076`](nodejs/node@9c3a7bf)] - **test**: make url-util-format engine agnostic (Rich Trott) [#&#8203;21141](`nodejs/node#21141)
* [[`3d8ec8f85c`](nodejs/node@3d8ec8f)] - **test**: make url-parse-invalid-input engine agnostic (Rich Trott) [#&#8203;21132](`nodejs/node#21132)
* [[`0b0370f884`](nodejs/node@0b0370f)] - **test**: remove unref in http2 test (Anatoli Papirovski) [#&#8203;21145](`nodejs/node#21145)
* [[`14a017cf8d`](nodejs/node@14a017c)] - **test**: apply promises API to fourth appendFile test (Rich Trott) [#&#8203;21131](`nodejs/node#21131)
* [[`aa9dbf666b`](nodejs/node@aa9dbf6)] - **test**: apply promises API to fourth appendFile test (Rich Trott) [#&#8203;21131](`nodejs/node#21131)
* [[`185b9e45d3`](nodejs/node@185b9e4)] - **test**: apply promises API to third appendFile test (Rich Trott) [#&#8203;21131](`nodejs/node#21131)
* [[`c400448e85`](nodejs/node@c400448)] - **test**: improve debug output in trace-events test (Rich Trott) [#&#8203;21120](`nodejs/node#21120)
* [[`a4ad9891e3`](nodejs/node@a4ad989)] - **test**: add test for Linux perf (Matheus Marchini) [#&#8203;20783](`nodejs/node#20783)
* [[`e16036c462`](nodejs/node@e16036c)] - **test**: create new directory v8-updates (Matheus Marchini) [#&#8203;20783](`nodejs/node#20783)
* [[`93ce63c89f`](nodejs/node@93ce63c)] - **(SEMVER-MINOR)** **test**: add test against unsupported worker features (Timothy Gu) [#&#8203;20876](`nodejs/node#20876)
* [[`94dcdfb898`](nodejs/node@94dcdfb)] - **test**: increase coverage for fs.promises.truncate (Masashi Hirano) [#&#8203;20638](`nodejs/node#20638)
* [[`c9cee63179`](nodejs/node@c9cee63)] - **test,tools**: refactor custom ESLint for readability (Rich Trott) [#&#8203;21134](`nodejs/node#21134)
* [[`ed05d9a821`](nodejs/node@ed05d9a)] - **(SEMVER-MINOR)** **test,tools**: enable running tests under workers (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`6285fe94f6`](nodejs/node@6285fe9)] - **tools**: do not disable `quotes` rule in .eslintrc.js (Rich Trott) [#&#8203;21338](`nodejs/node#21338)
* [[`98346de08c`](nodejs/node@98346de)] - **tools**: lint doc/\*.md files (Rich Trott) [#&#8203;21361](`nodejs/node#21361)
* [[`521f8f1d95`](nodejs/node@521f8f1)] - **tools**: add BigInt64Array and BigUint64Array to globals (Joyee Cheung) [#&#8203;21255](`nodejs/node#21255)
* [[`a5c386d1ba`](nodejs/node@a5c386d)] - **tools**: add option to use custom template with js2c.py (Shelley Vohr) [#&#8203;21187](`nodejs/node#21187)
* [[`7f70fe83ef`](nodejs/node@7f70fe8)] - **tools**: add BigInt to globals (Nikolai Vavilov) [#&#8203;21237](`nodejs/node#21237)
* [[`4e742e379b`](nodejs/node@4e742e3)] - **tools**: update tooling to work with new macOS CLI … (Rich Trott) [#&#8203;21173](`nodejs/node#21173)
* [[`ed2b57bcd5`](nodejs/node@ed2b57b)] - **tools**: remove unused global types from type-parser (Rich Trott) [#&#8203;21135](`nodejs/node#21135)
* [[`d46446afc5`](nodejs/node@d46446a)] - **v8**: replace Buffer with FastBuffer in deserialize (Ujjwal Sharma) [#&#8203;21196](`nodejs/node#21196)
* [[`917960e0a1`](nodejs/node@917960e)] - **win, build**: add documentation support to vcbuild (Bartosz Sosnowski) [#&#8203;19663](`nodejs/node#19663)
* [[`03fbc9e749`](nodejs/node@03fbc9e)] - **(SEMVER-MINOR)** **worker**: rename to worker\_threads (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`9ad42b766e`](nodejs/node@9ad42b7)] - **(SEMVER-MINOR)** **worker**: improve error (de)serialization (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`6b1a887aa2`](nodejs/node@6b1a887)] - **(SEMVER-MINOR)** **worker**: enable stdio (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`c97fb91e55`](nodejs/node@c97fb91)] - **(SEMVER-MINOR)** **worker**: restrict supported extensions (Timothy Gu) [#&#8203;20876](`nodejs/node#20876)
* [[`109c92e8fa`](nodejs/node@109c92e)] - **(SEMVER-MINOR)** **worker**: initial implementation (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`d1f372f052`](nodejs/node@d1f372f)] - **(SEMVER-MINOR)** **worker**: add `SharedArrayBuffer` sharing (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`f447acd87b`](nodejs/node@f447acd)] - **(SEMVER-MINOR)** **worker**: support MessagePort passing in messages (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`337be58ee6`](nodejs/node@337be58)] - **(SEMVER-MINOR)** **worker**: implement `MessagePort` and `MessageChannel` (Anna Henningsen) [#&#8203;20876](`nodejs/node#20876)
* [[`4a54ebc3bd`](nodejs/node@4a54ebc)] - **worker,src**: display remaining handles if `uv\_loop\_close` fails (Anna Henningsen) [#&#8203;21238](`nodejs/node#21238)
* [[`529d24e3e8`](nodejs/node@529d24e)] - ***Revert*** "**workers,trace_events**: set thread name for workers" (James M Snell) [#&#8203;21363](`nodejs/node#21363)
* [[`dfb5cf6963`](nodejs/node@dfb5cf6)] - **workers,trace_events**: set thread name for workers (James M Snell) [#&#8203;21246](`nodejs/node#21246)

---

</details>




---

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