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v8: integrate node-heapdump into core

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Adds `v8.writeHeapSnapshot(filename)` with impl adapted
from the `node-heapdump` module.

Also, adds a v8.getHeapSnapshot() alternative that returns
a Readable Stream

PR-URL: https://github.com/nodejs/node/pull/26501
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
This commit is contained in:
James M Snell 2019-03-07 16:51:36 +00:00
parent 024842f8f4
commit 5f38797ea5
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GPG key ID: 7341B15C070877AC
14 changed files with 538 additions and 16 deletions
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6
test/sequential/test-async-wrap-getasyncid.js
View file

@ -5,6 +5,7 @@ const common = require('../common');
const { internalBinding } = require('internal/test/binding');
const assert = require('assert');
const fs = require('fs');
const v8 = require('v8');
const fsPromises = fs.promises;
const net = require('net');
const providers = Object.assign({}, internalBinding('async_wrap').Providers);
@ -294,3 +295,8 @@ if (process.features.inspector && common.isMainThread) {
testInitialized(handle, 'Connection');
handle.disconnect();
}
// PROVIDER_HEAPDUMP
{
v8.getHeapSnapshot().destroy();
}