src: fix `--prof-process` CLI argument handling #22790

addaleax · 2018-09-10T10:09:26Z

Make sure that options after --prof-process are not treated
as Node.js options.

Checklist

make -j4 test (UNIX), or vcbuild test (Windows) passes
tests and/or benchmarks are included
commit message follows commit guidelines

Make sure that options after `--prof-process` are not treated as Node.js options. Fixes: nodejs#22786

nodejs-github-bot · 2018-09-10T10:10:22Z

@addaleax build started: https://ci.nodejs.org/blue/organizations/jenkins/node-test-pull-request-lite-pipeline/detail/node-test-pull-request-lite-pipeline/850/pipeline

addaleax · 2018-09-10T10:16:37Z

CI: https://ci.nodejs.org/job/node-test-pull-request/17100/

joyeecheung · 2018-09-10T10:43:07Z

test/parallel/test-tick-processor-arguments.js

+assert(logfile);
+
+// Make sure that the --preprocess argument is passed through correctly.
+const { stdout } = spawnSync(


Maybe a note here about any arguments accepted by deps/v8/tools/tickprocessor.js would do in case V8 removes that in the future?

Yup, done (and also fixed CI a bit) :)

mcollina · 2018-09-10T11:04:28Z

I can confirm this fixes the problem for 0x.

mcollina

LGTM

addaleax · 2018-09-10T11:05:03Z

New CI: https://ci.nodejs.org/job/node-test-pull-request/17101/

richardlau · 2018-09-10T12:55:01Z

I think we should note in https://github.com/nodejs/node/blob/master/doc/api/cli.md#--prof-process and https://github.com/nodejs/node/blob/master/doc/node.1 about the processing of subsequent options.

addaleax · 2018-09-10T13:02:08Z

@richardlau Would a follow-up PR be okay? I’d also like to make --prof-process --help work, and it would be good to be able to refer to that (I don’t think it has ever worked in Node.js)

richardlau · 2018-09-10T13:04:27Z

Would a follow-up PR be okay? I’d also like to make --prof-process --help work, and it would be good to be able to refer to that (I don’t think it has ever worked in Node.js)

👍 Fine by me.

mcollina · 2018-09-10T13:43:50Z

Can we fast-track this and getting it into a release asap?

targos · 2018-09-10T14:18:11Z

@mcollina Are you asking for a release sooner than usual (i.e. this week instead of the next one)?

mcollina · 2018-09-10T15:09:05Z

If possible, yes. If no one is available to do it, it's not a big deal (next week is also ok). A significant number of flamegraph tools (not just clinic) are broken because of this.

addaleax · 2018-09-11T11:10:17Z

New CI: https://ci.nodejs.org/job/node-test-pull-request/17116/

addaleax · 2018-09-12T10:39:22Z

I pushed a commit to skip the test on AIX completely; not sure why it’s failing there. (/cc @nodejs/platform-aix)

CI: https://ci.nodejs.org/job/node-test-pull-request/17131/

richardlau · 2018-09-13T17:29:11Z

I pushed a commit to skip the test on AIX completely; not sure why it’s failing there. (/cc @nodejs/platform-aix)

There's this comment in the tick-processor tests:

node/test/tick-processor/test-tick-processor-unknown.js

Lines 4 to 10 in 19c0620

    
           // TODO(mhdawson) Currently the test-tick-processor functionality in V8 
        
           // depends on addresses being smaller than a full 64 bits.  AIX supports 
        
           // the full 64 bits and the result is that it does not process the 
        
           // addresses correctly and runs out of memory 
        
           // Disabling until we get a fix upstreamed into V8 
        
           if (common.isAIX) 
        
             common.skip('AIX address range too big for scripts.');

addaleax · 2018-09-13T21:25:15Z

@richardlau Okay, thanks – makes sense!

targos · 2018-09-14T12:59:31Z

New CI: https://ci.nodejs.org/job/node-test-pull-request/17186/

Rebuild Windows: https://ci.nodejs.org/job/node-test-commit-windows-fanned/20732/
Rebuild Linux: https://ci.nodejs.org/job/node-test-commit-linux/21563/

targos · 2018-09-16T07:45:12Z

Landed in 23f8b02

Make sure that options after `--prof-process` are not treated as Node.js options. Fixes: #22786 PR-URL: #22790 Reviewed-By: Joyee Cheung <[email protected]> Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Bryan English <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>

src: fix --prof-process CLI argument handling

d86e38e

Make sure that options after `--prof-process` are not treated as Node.js options. Fixes: nodejs#22786

addaleax requested a review from bengl September 10, 2018 10:09

nodejs-github-bot added the c++ Issues and PRs that require attention from people who are familiar with C++. label Sep 10, 2018

addaleax mentioned this pull request Sep 10, 2018

--prof-process CLI args no longer work in 10.10.0 #22786

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addaleax added the cli Issues and PRs related to the Node.js command line interface. label Sep 10, 2018

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fixup! src: fix --prof-process CLI argument handling

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addaleax mentioned this pull request Sep 11, 2018

fs: ensure readdir() callback is only called once #22793

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fixup! src: fix --prof-process CLI argument handling

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fixup! src: fix --prof-process CLI argument handling

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targos closed this Sep 16, 2018

addaleax deleted the fix-prof-process branch September 16, 2018 07:46

targos mentioned this pull request Sep 18, 2018

Release proposal: v10.11.0 #22932

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mcollina mentioned this pull request Sep 20, 2018

Bump node-clinic to tier 3 nodejs/diagnostics#234

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src: fix `--prof-process` CLI argument handling #22790

src: fix `--prof-process` CLI argument handling #22790

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src: fix --prof-process CLI argument handling #22790

src: fix --prof-process CLI argument handling #22790

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src: fix `--prof-process` CLI argument handling #22790

src: fix `--prof-process` CLI argument handling #22790

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