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33d8e03d9d
Adds worker.getHeapStatistics() so that the heap usage of the worker could be observer from the parent thread. Signed-off-by: Matteo Collina <hello@matteocollina.com> PR-URL: https://github.com/nodejs/node/pull/57888 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Chengzhong Wu <legendecas@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
64 lines
1.7 KiB
JavaScript
64 lines
1.7 KiB
JavaScript
'use strict';
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const common = require('../common');
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const fixtures = require('../common/fixtures');
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common.skipIfInspectorDisabled();
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const {
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Worker,
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isMainThread,
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} = require('worker_threads');
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if (!isMainThread) {
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common.skip('This test only works on a main thread');
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}
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// Ensures that worker.getHeapStatistics() returns valid data
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const assert = require('assert');
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if (isMainThread) {
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const name = 'Hello Thread';
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const worker = new Worker(fixtures.path('worker-name.js'), {
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name,
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});
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worker.once('message', common.mustCall(async (message) => {
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const stats = await worker.getHeapStatistics();
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const keys = [
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`total_heap_size`,
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`total_heap_size_executable`,
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`total_physical_size`,
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`total_available_size`,
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`used_heap_size`,
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`heap_size_limit`,
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`malloced_memory`,
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`peak_malloced_memory`,
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`does_zap_garbage`,
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`number_of_native_contexts`,
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`number_of_detached_contexts`,
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`total_global_handles_size`,
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`used_global_handles_size`,
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`external_memory`,
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].sort();
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assert.deepStrictEqual(keys, Object.keys(stats).sort());
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for (const key of keys) {
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if (key === 'does_zap_garbage') {
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assert.strictEqual(typeof stats[key], 'boolean', `Expected ${key} to be a boolean`);
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continue;
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}
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assert.strictEqual(typeof stats[key], 'number', `Expected ${key} to be a number`);
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assert.ok(stats[key] >= 0, `Expected ${key} to be >= 0`);
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}
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worker.postMessage('done');
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}));
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worker.once('exit', common.mustCall(async (code) => {
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assert.strictEqual(code, 0);
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await assert.rejects(worker.getHeapStatistics(), {
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code: 'ERR_WORKER_NOT_RUNNING'
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});
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}));
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}
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