nodejs-mozilla/test/sequential/test-cpu-prof-drained.js

41 lines
1001 B
JavaScript

'use strict';
// This tests that --cpu-prof generates CPU profile when event
// loop is drained.
// TODO(joyeecheung): share the fixtures with v8 coverage tests
const common = require('../common');
const fixtures = require('../common/fixtures');
common.skipIfInspectorDisabled();
const assert = require('assert');
const { spawnSync } = require('child_process');
const tmpdir = require('../common/tmpdir');
const {
getCpuProfiles,
kCpuProfInterval,
env,
verifyFrames
} = require('../common/cpu-prof');
{
tmpdir.refresh();
const output = spawnSync(process.execPath, [
'--cpu-prof',
'--cpu-prof-interval',
kCpuProfInterval,
fixtures.path('workload', 'fibonacci.js'),
], {
cwd: tmpdir.path,
env
});
if (output.status !== 0) {
console.log(output.stderr.toString());
}
assert.strictEqual(output.status, 0);
const profiles = getCpuProfiles(tmpdir.path);
assert.strictEqual(profiles.length, 1);
verifyFrames(output, profiles[0], 'fibonacci.js');
}