class_docstr: Test data storage performance
docstr: Run performance test
code: def run(self, runs=1000):
      """Run performance test"""
      t = time.time()
      for i in range(runs):
          self.run_one()
      self.datastorage.wait()
      total_time = time.time() - t
      print("Total time:", total_time)
      print("FPS:", runs / total_time)
  
imports: import time, sys, os
  from Qt import QtCore
  import numpy
  from qspectrumanalyzer.utils import smooth
  from qspectrumanalyzer.backends import soapy_power
label_desc: Use image node_id 3 for calling the Test obj's underlying member method code with example usage: obj.run(runs) without return types