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test: split heap prof tests · nodejs/node@b5901a0 · GitHub

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Commit b5901a0

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joyeecheung
authored and
juanarbol
committed
test: split heap prof tests
The original heap prof tests can take too long to complete on azure Windows machines, resulting in timeouts. Split them into smaller tests and move them into the parallel directory to speed up the execution. PR-URL: #44388 Refs: nodejs/reliability#356 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
1 parent a139f5d commit b5901a0

13 files changed

Lines changed: 592 additions & 375 deletions

‎test/common/prof.js‎

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'use strict';
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const assert = require('assert');
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const fs = require('fs');
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const path = require('path');
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function getHeapProfiles(dir) {
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const list = fs.readdirSync(dir);
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return list
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.filter((file) => file.endsWith('.heapprofile'))
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.map((file) => path.join(dir, file));
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}
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function findFirstFrameInNode(root, func) {
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const first = root.children.find(
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(child) => child.callFrame.functionName === func
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);
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if (first) {
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return first;
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}
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for (const child of root.children) {
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const first = findFirstFrameInNode(child, func);
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if (first) {
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return first;
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}
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}
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return undefined;
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}
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function findFirstFrame(file, func) {
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const data = fs.readFileSync(file, 'utf8');
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const profile = JSON.parse(data);
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const first = findFirstFrameInNode(profile.head, func);
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return { frame: first, roots: profile.head.children };
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}
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function verifyFrames(output, file, func) {
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const { frame, roots } = findFirstFrame(file, func);
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if (!frame) {
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// Show native debug output and the profile for debugging.
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console.log(output.stderr.toString());
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console.log(roots);
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}
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assert.notStrictEqual(frame, undefined);
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}
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// We need to set --heap-prof-interval to a small enough value to make
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// sure we can find our workload in the samples, so we need to set
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// TEST_ALLOCATION > kHeapProfInterval.
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const kHeapProfInterval = 128;
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const TEST_ALLOCATION = kHeapProfInterval * 2;
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const env = {
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...process.env,
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TEST_ALLOCATION,
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NODE_DEBUG_NATIVE: 'INSPECTOR_PROFILER'
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};
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// TODO(joyeecheung): share the fixutres with v8 coverage tests
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module.exports = {
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getHeapProfiles,
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verifyFrames,
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findFirstFrame,
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kHeapProfInterval,
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TEST_ALLOCATION,
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env
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};

‎test/parallel/test-heap-prof-basic.js‎

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'use strict';
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// Tests --heap-prof without --heap-prof-interval. Here we just verify that
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// we manage to generate a profile.
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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 assert = require('assert');
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const { spawnSync } = require('child_process');
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const tmpdir = require('../common/tmpdir');
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const {
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getHeapProfiles,
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env
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} = require('../common/prof');
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{
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tmpdir.refresh();
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const output = spawnSync(process.execPath, [
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'--heap-prof',
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fixtures.path('workload', 'allocation.js'),
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], {
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cwd: tmpdir.path,
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env
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});
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if (output.status !== 0) {
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console.log(output.stderr.toString());
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console.log(output);
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}
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assert.strictEqual(output.status, 0);
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const profiles = getHeapProfiles(tmpdir.path);
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assert.strictEqual(profiles.length, 1);
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}

‎test/parallel/test-heap-prof-dir-absolute.js‎

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'use strict';
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// This tests that --heap-prof, --heap-prof-dir and --heap-prof-name works.
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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 assert = require('assert');
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const fs = require('fs');
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const path = require('path');
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const { spawnSync } = require('child_process');
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const tmpdir = require('../common/tmpdir');
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const {
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getHeapProfiles,
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verifyFrames,
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kHeapProfInterval,
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env
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} = require('../common/prof');
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// Tests absolute --heap-prof-dir
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{
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tmpdir.refresh();
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const dir = path.join(tmpdir.path, 'prof');
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const output = spawnSync(process.execPath, [
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'--heap-prof',
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'--heap-prof-dir',
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dir,
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'--heap-prof-interval',
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kHeapProfInterval,
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fixtures.path('workload', 'allocation.js'),
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], {
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cwd: tmpdir.path,
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env
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});
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if (output.status !== 0) {
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console.log(output.stderr.toString());
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}
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assert.strictEqual(output.status, 0);
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assert(fs.existsSync(dir));
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const profiles = getHeapProfiles(dir);
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assert.strictEqual(profiles.length, 1);
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verifyFrames(output, profiles[0], 'runAllocation');
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}

‎test/parallel/test-heap-prof-dir-name.js‎

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'use strict';
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// Tests --heap-prof-dir and --heap-prof-name work together.
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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 assert = require('assert');
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const fs = require('fs');
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const path = require('path');
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const { spawnSync } = require('child_process');
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const tmpdir = require('../common/tmpdir');
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const {
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getHeapProfiles,
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verifyFrames,
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kHeapProfInterval,
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env
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} = require('../common/prof');
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{
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tmpdir.refresh();
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const dir = path.join(tmpdir.path, 'prof');
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const file = path.join(dir, 'test.heapprofile');
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const output = spawnSync(process.execPath, [
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'--heap-prof',
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'--heap-prof-name',
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'test.heapprofile',
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'--heap-prof-dir',
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dir,
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'--heap-prof-interval',
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kHeapProfInterval,
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fixtures.path('workload', 'allocation.js'),
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], {
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cwd: tmpdir.path,
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env
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});
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if (output.status !== 0) {
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console.log(output.stderr.toString());
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}
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assert.strictEqual(output.status, 0);
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assert(fs.existsSync(dir));
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const profiles = getHeapProfiles(dir);
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assert.deepStrictEqual(profiles, [file]);
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verifyFrames(output, file, 'runAllocation');
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}

‎test/parallel/test-heap-prof-dir-relative.js‎

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'use strict';
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// Tests relative --heap-prof-dir works.
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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 assert = require('assert');
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const fs = require('fs');
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const path = require('path');
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const { spawnSync } = require('child_process');
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const tmpdir = require('../common/tmpdir');
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const {
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getHeapProfiles,
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verifyFrames,
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kHeapProfInterval,
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env
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} = require('../common/prof');
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{
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tmpdir.refresh();
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const output = spawnSync(process.execPath, [
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'--heap-prof',
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'--heap-prof-dir',
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'prof',
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'--heap-prof-interval',
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kHeapProfInterval,
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fixtures.path('workload', 'allocation.js'),
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], {
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cwd: tmpdir.path,
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env
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});
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if (output.status !== 0) {
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console.log(output.stderr.toString());
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}
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assert.strictEqual(output.status, 0);
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const dir = path.join(tmpdir.path, 'prof');
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assert(fs.existsSync(dir));
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const profiles = getHeapProfiles(dir);
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assert.strictEqual(profiles.length, 1);
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verifyFrames(output, profiles[0], 'runAllocation');
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}

‎test/parallel/test-heap-prof-exec-argv.js‎

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'use strict';
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// Tests --heap-prof generates a heap profile from worker
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// when execArgv is set.
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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 assert = require('assert');
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const { spawnSync } = require('child_process');
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const tmpdir = require('../common/tmpdir');
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const {
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getHeapProfiles,
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verifyFrames,
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} = require('../common/prof');
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{
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tmpdir.refresh();
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const output = spawnSync(process.execPath, [
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fixtures.path('workload', 'allocation-worker-argv.js'),
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], {
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cwd: tmpdir.path,
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env: {
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...process.env,
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HEAP_PROF_INTERVAL: '128'
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}
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});
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if (output.status !== 0) {
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console.log(output.stderr.toString());
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}
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assert.strictEqual(output.status, 0);
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const profiles = getHeapProfiles(tmpdir.path);
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assert.strictEqual(profiles.length, 1);
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verifyFrames(output, profiles[0], 'runAllocation');
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}

‎test/parallel/test-heap-prof-exit.js‎

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'use strict';
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// Tests --heap-prof generates a heap profile when process.exit(55) exits
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// process.
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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 assert = require('assert');
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const { spawnSync } = require('child_process');
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const tmpdir = require('../common/tmpdir');
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const {
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getHeapProfiles,
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verifyFrames,
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kHeapProfInterval,
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env
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} = require('../common/prof');
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{
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tmpdir.refresh();
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const output = spawnSync(process.execPath, [
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'--heap-prof',
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'--heap-prof-interval',
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kHeapProfInterval,
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fixtures.path('workload', 'allocation-exit.js'),
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], {
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cwd: tmpdir.path,
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env
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});
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if (output.status !== 55) {
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console.log(output.stderr.toString());
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}
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assert.strictEqual(output.status, 55);
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const profiles = getHeapProfiles(tmpdir.path);
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assert.strictEqual(profiles.length, 1);
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verifyFrames(output, profiles[0], 'runAllocation');
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}

‎test/parallel/test-heap-prof-interval.js‎

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'use strict';
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// Tests multiple profiles generated by --heap-prof-interval are valid.
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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 assert = require('assert');
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const fs = require('fs');
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const path = require('path');
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const { spawnSync } = require('child_process');
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const tmpdir = require('../common/tmpdir');
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const {
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getHeapProfiles,
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findFirstFrame,
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kHeapProfInterval,
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env
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} = require('../common/prof');
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{
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tmpdir.refresh();
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const output = spawnSync(process.execPath, [
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'--heap-prof-interval',
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kHeapProfInterval,
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'--heap-prof-dir',
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'prof',
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'--heap-prof',
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fixtures.path('workload', 'allocation-worker.js'),
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], {
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cwd: tmpdir.path,
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env
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});
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if (output.status !== 0) {
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console.log(output.stderr.toString());
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}
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assert.strictEqual(output.status, 0);
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const dir = path.join(tmpdir.path, 'prof');
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assert(fs.existsSync(dir));
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const profiles = getHeapProfiles(dir);
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assert.strictEqual(profiles.length, 2);
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const profile1 = findFirstFrame(profiles[0], 'runAllocation');
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const profile2 = findFirstFrame(profiles[1], 'runAllocation');
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if (!profile1.frame && !profile2.frame) {
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// Show native debug output and the profile for debugging.
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console.log(output.stderr.toString());
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console.log('heap path: ', profiles[0]);
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console.log(profile1.roots);
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console.log('heap path: ', profiles[1]);
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console.log(profile2.roots);
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}
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assert(profile1.frame || profile2.frame);
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}

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