23 def run_command_on_dut(dut, command, ignore_status=False):  argument
34     result = dut.run(command, ignore_status=ignore_status)
42                    'Error message: %s' % (dut.hostname, command, ret, err_msg))
52 def disable_aslr(dut):  argument
64     run_command_on_dut(dut, disable_aslr)
67 def set_cpu_governor(dut, governor, ignore_status=False):  argument
89         dut, set_gov_cmd % governor, ignore_status=ignore_status)
93 def disable_turbo(dut):  argument
115     run_command_on_dut(dut, dis_turbo_boost_cmd)
118 def setup_cpu_usage(dut, cpu_usage):  argument
130         _, arch, _ = run_command_on_dut(dut, 'uname -m')
133             setup_arm_cores(dut, cpu_usage)
136 def setup_arm_cores(dut, cpu_usage):  argument
178     _, cpuinfo, _ = run_command_on_dut(dut, 'cat /proc/cpuinfo')
226         run_command_on_dut(dut, '; '.join([cmd_enable_cores,
240 def get_cpu_online(dut):  argument
252     _, online_output_str, _ = run_command_on_dut(dut, get_cpu_online_cmd)
272     _, all_online_str, _ = run_command_on_dut(dut, get_all_online_cmd)
284 def setup_cpu_freq(dut, freq_percent, online_cores):  argument
309     ret, all_avail_freq_str, _ = run_command_on_dut(dut,
318         _, avail_freq_str, _ = run_command_on_dut(dut, 'cat ' + avail_freq_path)
343             dut, 'echo %s | tee %s %s' %
347 def wait_cooldown(dut, cooldown_time, cooldown_temp):  argument
376             dut,
393 def decrease_wait_time(dut):  argument
401     ret = run_command_on_dut(dut, 'ls ' + FILE)
405         run_command_on_dut(dut, sed_command + FILE)
408 def stop_ui(dut):  argument
415     run_command_on_dut(dut, 'stop ui')
418 def start_ui(dut):  argument
425     run_command_on_dut(dut, 'start ui')
428 def kern_cmd_update_needed(dut, intel_pstate):  argument
443     ret_code, _, _ = run_command_on_dut(dut, cmd, ignore_status=True)
450         dut, kern_cmdline_cmd, ignore_status=True)
463 def update_kern_cmd_intel_pstate(dut, intel_pstate):  argument
481         dut, remove_verif_cmd % 2, ignore_status=True)
486         dut, remove_verif_cmd % 4, ignore_status=True)
494     run_command_on_dut(dut, 'reboot && exit')
521         dut, kern_part2_cmdline_cmd, ignore_status=True)
529         dut, kern_part4_cmdline_cmd, ignore_status=True)
536     run_command_on_dut(dut, 'reboot && exit')
545         dut, kern_cmdline_cmd, ignore_status=True)
557 def pause_ui(dut):  argument
566     stop_ui(dut)
571         start_ui(dut)
574 def setup_device(dut, dut_config):  argument
586     if intel_pstate and kern_cmd_update_needed(dut, intel_pstate):
587         update_kern_cmd_intel_pstate(dut, intel_pstate)
593     with pause_ui(dut):
597             disable_aslr(dut)
600         setup_cpu_usage(dut, dut_config.get('cpu_usage'))
601         cpu_online_status = get_cpu_online(dut)
610             ret = set_cpu_governor(dut, 'powersave', ignore_status=True)
614                 ret = set_cpu_governor(dut, 'ondemand', ignore_status=True)
620                 dut, dut_config['cooldown_time'], dut_config['cooldown_temp'])
627             set_cpu_governor(dut, governor)
633         disable_turbo(dut)
635             setup_cpu_freq(dut, dut_config['cpu_freq_pct'], online_cores)
637         decrease_wait_time(dut)