path: android-platform-system-extras_10.0.0+r36+ds-2.1/simpleperf/scripts/app_profiler.py
    """Profile a native program."""
    def start(self):
        pid = int(self.adb.check_run_and_return_output(['shell', 'pidof',
                                                        self.args.native_program]))
        self.start_profiling(['-p', str(pid)])