test: add test for Linux perf #20783

mmarchini · 2018-05-16T17:24:16Z

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 deps: update V8 to 6.7 #19989 to land (not really necessary, but this test doesn't make sense without it)
Install Linux perf on some Linux machines: Install Linux perf on some Linux machines 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

mcollina · 2018-05-16T23:10:06Z

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

joyeecheung · 2018-05-17T06:09:09Z

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.

mmarchini · 2018-05-17T14:12:00Z

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.

mhdawson · 2018-05-17T21:07:07Z

test/parallel/parallel.status

@@ -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


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.

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.

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

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

mmarchini · 2018-05-21T14:07:31Z

CI: https://ci.nodejs.org/job/node-test-pull-request/14997/

cjihrig · 2018-05-23T12:39:23Z

test/parallel/test-linux-perf.js

+// 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');


Should there be a check for common.hasCrypto due to its use in the fixture?

mmarchini · 2018-05-23T13:42:51Z

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?

mmarchini · 2018-05-23T13:45:31Z

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

mmarchini · 2018-05-28T18:05:28Z

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.

@joyeecheung @mhdawson @rvagg PTAL

mhdawson

LGTM

mhdawson · 2018-05-29T21:05:42Z

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

mmarchini · 2018-06-04T16:12:36Z

ping @rvagg

`v8-updates` holds all tests related to V8 updates, for example, testing for postmortem metadata chages.

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.

mmarchini · 2018-06-04T16:19:24Z

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

`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>

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>

`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>

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>

Ref: nodejs#1342 Ref: nodejs/node#20783

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. [#20816](`https://github.com/nodejs/node/pull/20816`) * **fs**: * BigInt support has been added to `fs.stat` and `fs.watchFile`. [#20220](`https://github.com/nodejs/node/pull/20220`) * APIs that take `mode` as arguments no longer throw on values larger than `0o777`. [#20636](`https://github.com/nodejs/node/pull/20636`) [#20975](`https://github.com/nodejs/node/pull/20975`) (Fixes: [#20498](`https://github.com/nodejs/node/issues/20498`)) * Fix crashes in closed event watchers. [#20985](`https://github.com/nodejs/node/pull/20985`) (Fixes: [#20297](`https://github.com/nodejs/node/issues/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. 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**crypto**: fix behavior of createCipher in wrap mode (Tobias Nießen) [#21287](`https://github.com/nodejs/node/pull/21287`) * [[`d0cb9cbb35`](nodejs/node@d0cb9cbb35)] - **(SEMVER-MINOR)** **crypto**: drop Math.pow(), use static exponentation (Ben Noordhuis) [#20816](`https://github.com/nodejs/node/pull/20816`) * [[`2d9c3cc89d`](nodejs/node@2d9c3cc89d)] - **(SEMVER-MINOR)** **crypto**: refactor randomBytes() (Ben Noordhuis) [#20816](`https://github.com/nodejs/node/pull/20816`) * [[`6262fa44d6`](nodejs/node@6262fa44d6)] - **(SEMVER-MINOR)** **crypto**: refactor pbkdf2() and pbkdf2Sync() methods (Ben Noordhuis) [#20816](`https://github.com/nodejs/node/pull/20816`) * [[`c9b4592dbf`](nodejs/node@c9b4592dbf)] - **(SEMVER-MINOR)** **crypto**: add scrypt() and scryptSync() methods (Ben Noordhuis) [#20816](`https://github.com/nodejs/node/pull/20816`) * [[`495756264a`](nodejs/node@495756264a)] - **(SEMVER-MINOR)** **crypto**: DRY type checking (Ben Noordhuis) [#20816](`https://github.com/nodejs/node/pull/20816`) * [[`e4a7e0d28b`](nodejs/node@e4a7e0d28b)] - 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**doc**: update NODE\_OPTIONS section in cli.md (Vse Mozhet Byt) [#21229](`https://github.com/nodejs/node/pull/21229`) * [[`13fd09bfa7`](nodejs/node@13fd09bfa7)] - **doc**: add build wg info to releases.md (Jon Moss) [#21275](`https://github.com/nodejs/node/pull/21275`) * [[`0da910f9a5`](nodejs/node@0da910f9a5)] - **doc**: move Italo A. 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Everitt) [#21214](`https://github.com/nodejs/node/pull/21214`) * [[`bcaf59c739`](nodejs/node@bcaf59c739)] - **http2**: fix memory leak for uncommon headers (Anna Henningsen) [#21336](`https://github.com/nodejs/node/pull/21336`) * [[`dee250fd77`](nodejs/node@dee250fd77)] - **http2**: safer Http2Session destructor (Anatoli Papirovski) [#21194](`https://github.com/nodejs/node/pull/21194`) * [[`296fd57324`](nodejs/node@296fd57324)] - **inspector**: stop dragging platform pointer (Eugene Ostroukhov) * [[`fb71337bdf`](nodejs/node@fb71337bdf)] - **(SEMVER-MINOR)** **lib**: rename checkIsArrayBufferView() (Ben Noordhuis) [#20816](`https://github.com/nodejs/node/pull/20816`) * [[`f3570f201b`](nodejs/node@f3570f201b)] - **(SEMVER-MINOR)** **lib**: replace checkUint() with validateInt32() (Ben Noordhuis) [#20816](`https://github.com/nodejs/node/pull/20816`) * [[`b4b7d368be`](nodejs/node@b4b7d368be)] - **lib**: unmask mode\_t values with 0o777 (Joyee Cheung) [#20975](`https://github.com/nodejs/node/pull/20975`) * [[`36e5100a39`](nodejs/node@36e5100a39)] - **lib**: support ranges in validateInt32() (cjihrig) [#20588](`https://github.com/nodejs/node/pull/20588`) * [[`2fe88d2218`](nodejs/node@2fe88d2218)] - **lib**: mask mode\_t type of arguments with 0o777 (Joyee Cheung) [#20636](`https://github.com/nodejs/node/pull/20636`) * [[`a0cfb0c9d4`](nodejs/node@a0cfb0c9d4)] - **lib**: add validateInteger() validator (cjihrig) [#20851](`https://github.com/nodejs/node/pull/20851`) * [[`740d9f1a0e`](nodejs/node@740d9f1a0e)] - **lib,src**: make `StatWatcher` a `HandleWrap` (Anna Henningsen) [#21244](`https://github.com/nodejs/node/pull/21244`) * [[`a657984109`](nodejs/node@a657984109)] - **lib,src**: remove openssl feature conditionals (Ben Noordhuis) [#21094](`https://github.com/nodejs/node/pull/21094`) * [[`653b20b26d`](nodejs/node@653b20b26d)] - **loader**: remove unused error code in module\_job (Gus Caplan) [#21354](`https://github.com/nodejs/node/pull/21354`) * [[`5d3dfedca2`](nodejs/node@5d3dfedca2)] - **meta**: remove CODEOWNERS (Rich Trott) [#21161](`https://github.com/nodejs/node/pull/21161`) * [[`169bff3e9e`](nodejs/node@169bff3e9e)] - **n-api**: name CallbackBundle function fields (Anna Henningsen) [#21240](`https://github.com/nodejs/node/pull/21240`) * [[`1dc9330b3a`](nodejs/node@1dc9330b3a)] - **n-api**: improve runtime perf of n-api func call (Kenny Yuan) [#21072](`https://github.com/nodejs/node/pull/21072`) * [[`9047c8182c`](nodejs/node@9047c8182c)] - **n-api**: remove unused napi\_env member (Gabriel Schulhof) [#21127](`https://github.com/nodejs/node/pull/21127`) * [[`18c057ab26`](nodejs/node@18c057ab26)] - **net**: emit 'close' when socket ends before connect (Brett Kiefer) [#21290](`https://github.com/nodejs/node/pull/21290`) * [[`a3fd1cd8ea`](nodejs/node@a3fd1cd8ea)] - **perf_hooks**: remove less useful bootstrap marks (James M Snell) [#21247](`https://github.com/nodejs/node/pull/21247`) * [[`8fddf591c5`](nodejs/node@8fddf591c5)] - **perf_hooks**: set bootstrap complete in only one place (James M Snell) [#21247](`https://github.com/nodejs/node/pull/21247`) * [[`fc2956d37a`](nodejs/node@fc2956d37a)] - **process**: backport process/methods file (Michaël Zasso) [#21172](`https://github.com/nodejs/node/pull/21172`) * [[`78ad4e9dde`](nodejs/node@78ad4e9dde)] - **src**: remove unused argc var in node\_stat\_watcher (Daniel Bevenius) [#21337](`https://github.com/nodejs/node/pull/21337`) * [[`7fa1344143`](nodejs/node@7fa1344143)] - **src**: use `%zx` in printf for size\_t (Anna Henningsen) [#21323](`https://github.com/nodejs/node/pull/21323`) * [[`671346ee8f`](nodejs/node@671346ee8f)] - **src**: do proper error checking in `AsyncWrap::MakeCallback` (Anna Henningsen) [#21189](`https://github.com/nodejs/node/pull/21189`) * [[`aa468abc4c`](nodejs/node@aa468abc4c)] - **src**: unify native symbol inspection code (Anna Henningsen) [#21238](`https://github.com/nodejs/node/pull/21238`) * [[`e92b89a75d`](nodejs/node@e92b89a75d)] - **src**: fix http2 typos (Anatoli Papirovski) [#21194](`https://github.com/nodejs/node/pull/21194`) * [[`4f01168414`](nodejs/node@4f01168414)] - **src**: do not persist fs\_poll handle in stat\_watcher (Anatoli Papirovski) [#21093](`https://github.com/nodejs/node/pull/21093`) * [[`685b9b2a6a`](nodejs/node@685b9b2a6a)] - **src**: do not persist timer handle in cares\_wrap (Anatoli Papirovski) [#21093](`https://github.com/nodejs/node/pull/21093`) * [[`4757771db3`](nodejs/node@4757771db3)] - **src**: add consistency check to node\_platform.cc (Anna Henningsen) [#21156](`https://github.com/nodejs/node/pull/21156`) * [[`8e2e16721b`](nodejs/node@8e2e16721b)] - **src**: add node\_encoding.cc (James M Snell) [#21112](`https://github.com/nodejs/node/pull/21112`) * [[`39b38754eb`](nodejs/node@39b38754eb)] - **src**: cleanup beforeExit for consistency (James M Snell) [#21113](`https://github.com/nodejs/node/pull/21113`) * [[`314b47d1cf`](nodejs/node@314b47d1cf)] - **(SEMVER-MINOR)** **src**: add Env::profiler\_idle\_notifier\_started() (Timothy Gu) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`5209ff9562`](nodejs/node@5209ff9562)] - **(SEMVER-MINOR)** **src**: remove unused fields msg\_ and env\_ (Daniel Bevenius) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`9a734132f9`](nodejs/node@9a734132f9)] - **(SEMVER-MINOR)** **src**: make handle onclose property a Symbol (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`e6f06807b1`](nodejs/node@e6f06807b1)] - **(SEMVER-MINOR)** **src**: simplify handle closing (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`65924c70e8`](nodejs/node@65924c70e8)] - **(SEMVER-MINOR)** **src**: remove unused fields isolate\_ (Daniel Bevenius) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`de7403f813`](nodejs/node@de7403f813)] - **(SEMVER-MINOR)** **src**: cleanup per-isolate state on platform on isolate unregister (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`ba17c9e46b`](nodejs/node@ba17c9e46b)] - **src**: refactor bootstrap to use bootstrap object (James M Snell) [#20917](`https://github.com/nodejs/node/pull/20917`) * [[`cbdc1fdf44`](nodejs/node@cbdc1fdf44)] - **src, tools**: add check for left leaning pointers (Daniel Bevenius) [#21010](`https://github.com/nodejs/node/pull/21010`) * [[`935309325b`](nodejs/node@935309325b)] - **test**: fix deprecation warning due to util.print (Tobias Nießen) [#21265](`https://github.com/nodejs/node/pull/21265`) * [[`d7ba75f8aa`](nodejs/node@d7ba75f8aa)] - **test**: add test to check colorMode type of Console (Masashi Hirano) [#21248](`https://github.com/nodejs/node/pull/21248`) * [[`0b00172df8`](nodejs/node@0b00172df8)] - **test**: removing unnecessary parameter from assert call (djmgit) [#21307](`https://github.com/nodejs/node/pull/21307`) * [[`dea3ac7bff`](nodejs/node@dea3ac7bff)] - **test**: improve statwatcher async\_hooks test (Anna Henningsen) [#21244](`https://github.com/nodejs/node/pull/21244`) * [[`792335f712`](nodejs/node@792335f712)] - **test**: add workerdata-sharedarraybuffer test (Jeremiah Senkpiel) [#21180](`https://github.com/nodejs/node/pull/21180`) * [[`e8d15cb149`](nodejs/node@e8d15cb149)] - **test**: mark test-inspector-port-zero-cluster flaky (Rich Trott) [#21251](`https://github.com/nodejs/node/pull/21251`) * [[`688bdfef7f`](nodejs/node@688bdfef7f)] - **test**: add crypto check to test-http2-debug (Daniel Bevenius) [#21205](`https://github.com/nodejs/node/pull/21205`) * [[`2270ab2a12`](nodejs/node@2270ab2a12)] - **test**: remove string literals from assert.strictEqual() calls (James Kylstra) [#21211](`https://github.com/nodejs/node/pull/21211`) * [[`187951c0fc`](nodejs/node@187951c0fc)] - **test**: move inspector-stress-http to sequential (Rich Trott) [#21227](`https://github.com/nodejs/node/pull/21227`) * [[`bda34ea203`](nodejs/node@bda34ea203)] - **test**: check gc does not resurrect the loop (Anatoli Papirovski) [#21093](`https://github.com/nodejs/node/pull/21093`) * [[`4d782c4720`](nodejs/node@4d782c4720)] - **test**: improve assert error messages (Hristijan Gjorgjievski) [#21160](`https://github.com/nodejs/node/pull/21160`) * [[`2655c7b194`](nodejs/node@2655c7b194)] - **test**: mark fs-readfile-tostring-fail flaky for all (Rich Trott) [#21177](`https://github.com/nodejs/node/pull/21177`) * [[`17954c2b01`](nodejs/node@17954c2b01)] - **test**: improve internal/buffer.js test coverage (Masashi Hirano) [#21061](`https://github.com/nodejs/node/pull/21061`) * [[`2ff4704447`](nodejs/node@2ff4704447)] - **test**: move test-readuint to test-buffer-readuint (Michaël Zasso) [#21170](`https://github.com/nodejs/node/pull/21170`) * [[`9c3a7bf076`](nodejs/node@9c3a7bf076)] - **test**: make url-util-format engine agnostic (Rich Trott) [#21141](`https://github.com/nodejs/node/pull/21141`) * [[`3d8ec8f85c`](nodejs/node@3d8ec8f85c)] - **test**: make url-parse-invalid-input engine agnostic (Rich Trott) [#21132](`https://github.com/nodejs/node/pull/21132`) * [[`0b0370f884`](nodejs/node@0b0370f884)] - **test**: remove unref in http2 test (Anatoli Papirovski) [#21145](`https://github.com/nodejs/node/pull/21145`) * [[`14a017cf8d`](nodejs/node@14a017cf8d)] - **test**: apply promises API to fourth appendFile test (Rich Trott) [#21131](`https://github.com/nodejs/node/pull/21131`) * [[`aa9dbf666b`](nodejs/node@aa9dbf666b)] - **test**: apply promises API to fourth appendFile test (Rich Trott) [#21131](`https://github.com/nodejs/node/pull/21131`) * [[`185b9e45d3`](nodejs/node@185b9e45d3)] - **test**: apply promises API to third appendFile test (Rich Trott) [#21131](`https://github.com/nodejs/node/pull/21131`) * [[`c400448e85`](nodejs/node@c400448e85)] - **test**: improve debug output in trace-events test (Rich Trott) [#21120](`https://github.com/nodejs/node/pull/21120`) * [[`a4ad9891e3`](nodejs/node@a4ad9891e3)] - **test**: add test for Linux perf (Matheus Marchini) [#20783](`https://github.com/nodejs/node/pull/20783`) * [[`e16036c462`](nodejs/node@e16036c462)] - **test**: create new directory v8-updates (Matheus Marchini) [#20783](`https://github.com/nodejs/node/pull/20783`) * [[`93ce63c89f`](nodejs/node@93ce63c89f)] - **(SEMVER-MINOR)** **test**: add test against unsupported worker features (Timothy Gu) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`94dcdfb898`](nodejs/node@94dcdfb898)] - **test**: increase coverage for fs.promises.truncate (Masashi Hirano) [#20638](`https://github.com/nodejs/node/pull/20638`) * [[`c9cee63179`](nodejs/node@c9cee63179)] - **test,tools**: refactor custom ESLint for readability (Rich Trott) [#21134](`https://github.com/nodejs/node/pull/21134`) * [[`ed05d9a821`](nodejs/node@ed05d9a821)] - **(SEMVER-MINOR)** **test,tools**: enable running tests under workers (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`6285fe94f6`](nodejs/node@6285fe94f6)] - **tools**: do not disable `quotes` rule in .eslintrc.js (Rich Trott) [#21338](`https://github.com/nodejs/node/pull/21338`) * [[`98346de08c`](nodejs/node@98346de08c)] - **tools**: lint doc/\*.md files (Rich Trott) [#21361](`https://github.com/nodejs/node/pull/21361`) * [[`521f8f1d95`](nodejs/node@521f8f1d95)] - **tools**: add BigInt64Array and BigUint64Array to globals (Joyee Cheung) [#21255](`https://github.com/nodejs/node/pull/21255`) * [[`a5c386d1ba`](nodejs/node@a5c386d1ba)] - **tools**: add option to use custom template with js2c.py (Shelley Vohr) [#21187](`https://github.com/nodejs/node/pull/21187`) * [[`7f70fe83ef`](nodejs/node@7f70fe83ef)] - **tools**: add BigInt to globals (Nikolai Vavilov) [#21237](`https://github.com/nodejs/node/pull/21237`) * [[`4e742e379b`](nodejs/node@4e742e379b)] - **tools**: update tooling to work with new macOS CLI … (Rich Trott) [#21173](`https://github.com/nodejs/node/pull/21173`) * [[`ed2b57bcd5`](nodejs/node@ed2b57bcd5)] - **tools**: remove unused global types from type-parser (Rich Trott) [#21135](`https://github.com/nodejs/node/pull/21135`) * [[`d46446afc5`](nodejs/node@d46446afc5)] - **v8**: replace Buffer with FastBuffer in deserialize (Ujjwal Sharma) [#21196](`https://github.com/nodejs/node/pull/21196`) * [[`917960e0a1`](nodejs/node@917960e0a1)] - **win, build**: add documentation support to vcbuild (Bartosz Sosnowski) [#19663](`https://github.com/nodejs/node/pull/19663`) * [[`03fbc9e749`](nodejs/node@03fbc9e749)] - **(SEMVER-MINOR)** **worker**: rename to worker\_threads (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`9ad42b766e`](nodejs/node@9ad42b766e)] - **(SEMVER-MINOR)** **worker**: improve error (de)serialization (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`6b1a887aa2`](nodejs/node@6b1a887aa2)] - **(SEMVER-MINOR)** **worker**: enable stdio (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`c97fb91e55`](nodejs/node@c97fb91e55)] - **(SEMVER-MINOR)** **worker**: restrict supported extensions (Timothy Gu) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`109c92e8fa`](nodejs/node@109c92e8fa)] - **(SEMVER-MINOR)** **worker**: initial implementation (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`d1f372f052`](nodejs/node@d1f372f052)] - **(SEMVER-MINOR)** **worker**: add `SharedArrayBuffer` sharing (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`f447acd87b`](nodejs/node@f447acd87b)] - **(SEMVER-MINOR)** **worker**: support MessagePort passing in messages (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`337be58ee6`](nodejs/node@337be58ee6)] - **(SEMVER-MINOR)** **worker**: implement `MessagePort` and `MessageChannel` (Anna Henningsen) [#20876](`https://github.com/nodejs/node/pull/20876`) * [[`4a54ebc3bd`](nodejs/node@4a54ebc3bd)] - **worker,src**: display remaining handles if `uv\_loop\_close` fails (Anna Henningsen) [#21238](`https://github.com/nodejs/node/pull/21238`) * [[`529d24e3e8`](nodejs/node@529d24e3e8)] - ***Revert*** "**workers,trace_events**: set thread name for workers" (James M Snell) [#21363](`https://github.com/nodejs/node/pull/21363`) * [[`dfb5cf6963`](nodejs/node@dfb5cf6963)] - **workers,trace_events**: set thread name for workers (James M Snell) [#21246](`https://github.com/nodejs/node/pull/21246`) --- </details> --- This PR has been generated by [Renovate Bot](https://renovatebot.com).

nodejs-github-bot added the test Issues and PRs related to the tests. label May 16, 2018

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Install Linux perf on some Linux machines nodejs/build#1274

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Node CPU Profiling Roadmap nodejs/diagnostics#148

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mmarchini force-pushed the test-linux-perf branch from d05a2ac to 34e1c60 Compare May 16, 2018 17:49

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mmarchini force-pushed the test-linux-perf branch from d8c5eaf to 87446ce Compare May 28, 2018 17:55

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

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Matheus Marchini added 2 commits June 4, 2018 09:14

test: create new directory v8-updates

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`v8-updates` holds all tests related to V8 updates, for example, testing for postmortem metadata chages.

mmarchini force-pushed the test-linux-perf branch from 87446ce to 4c486e2 Compare June 4, 2018 16:16

mmarchini added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Jun 4, 2018

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Node.js Foundation Diagnostics WorkGroup Meeting 2018-06-13 nodejs/diagnostics#204

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run make test-v8-updates as a sub-job of node-test-commit-v8-linux nodejs/build#1342

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

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

9a03fa2

Ref: nodejs#1342 Ref: nodejs/node#20783

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

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

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

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Ref: nodejs#1342 Ref: nodejs/node#20783

targos mentioned this pull request Jun 19, 2018

v10.5.0 proposal #21400

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2018-06-20 Version 10.5.0 (Current) @targos beevelop/docker-android-nodejs#216

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2018-06-20 Version 10.5.0 (Current) @targos beevelop/docker-nodejs#201

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targos mentioned this pull request Jun 3, 2019

Benchmark machine is missing perf binary nodejs/build#1816

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