Function test

test/parallel/test-trace-events-dynamic-enable.js:41–70

()

}

async function test() {
  session.connect();

  const events = [];
  let tracingComplete = false;
  session.on('NodeTracing.dataCollected', common.mustCall((n) => {
    assert.ok(n?.params?.value);
    events.push(...n.params.value);  // append the events.
  }, 2));
  session.on('NodeTracing.tracingComplete', () => tracingComplete = true);

  trace(kBeforeEvent, 'foo', 'test1', 0, 'test');

  const traceConfig = { includedCategories: ['foo'] };
  await post('NodeTracing.start', { traceConfig });

  trace(kBeforeEvent, 'foo', 'test2', 0, 'test');
  trace(kBeforeEvent, 'bar', 'test3', 0, 'test');

  await post('NodeTracing.stop', { traceConfig });

  trace(kBeforeEvent, 'foo', 'test4', 0, 'test');
  session.disconnect();

  assert.ok(tracingComplete);

  const marks = events.filter((t) => null !== /foo/.exec(t.cat));
  assert.strictEqual(marks.length, 1);
  assert.strictEqual(marks[0].name, 'test2');
}

test();