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'use strict';
// This tests that --cpu-prof-dir works for workers.
const common = require('../common');
const fixtures = require('../common/fixtures');
common.skipIfInspectorDisabled();
const assert = require('assert');
const fs = require('fs');
const path = require('path');
const { spawnSync } = require('child_process');
const tmpdir = require('../common/tmpdir');
const {
getCpuProfiles,
kCpuProfInterval,
env,
getFrames
} = require('../common/cpu-prof');
// --cpu-prof-dir with worker
{
tmpdir.refresh();
const output = spawnSync(process.execPath, [
'--cpu-prof-interval',
kCpuProfInterval,
'--cpu-prof-dir',
'prof',
'--cpu-prof',
fixtures.path('workload', 'fibonacci-worker.js'),
], {
cwd: tmpdir.path,
env
});
if (output.status !== 0) {
console.log(output.stderr.toString());
}
assert.strictEqual(output.status, 0);
const dir = path.join(tmpdir.path, 'prof');
assert(fs.existsSync(dir));
const profiles = getCpuProfiles(dir);
assert.strictEqual(profiles.length, 2);
const profile1 = getFrames(profiles[0], 'fibonacci.js');
const profile2 = getFrames(profiles[1], 'fibonacci.js');
if (profile1.frames.length === 0 && profile2.frames.length === 0) {
// Show native debug output and the profile for debugging.
console.log(output.stderr.toString());
console.log('CPU path: ', profiles[0]);
console.log(profile1.nodes);
console.log('CPU path: ', profiles[1]);
console.log(profile2.nodes);
}
assert(profile1.frames.length > 0 || profile2.frames.length > 0);
}
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