code: func (c *Profiler) SetSamplingInterval(interval int) (*gcdmessage.ChromeResponse, error) {
  	var v ProfilerSetSamplingIntervalParams
  	v.Interval = interval
  	return c.SetSamplingIntervalWithParams(&v)
  }
docs: // SetSamplingInterval - Changes CPU profiler sampling interval. Must be called before CPU profiles recording started.
  // interval - New sampling interval in microseconds.