| # Copyright 2018 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| |
| import logging |
| import subprocess |
| |
| from autotest_lib.client.common_lib import error |
| |
| cpu_list = { |
| 'Intel(R) Celeron(R) 2955U @ 1.40GHz' : 'intel_celeron_2955U', |
| 'Intel(R) Celeron(R) 2957U @ 1.40GHz' : 'intel_celeron_2957U', |
| 'Intel(R) Celeron(R) CPU 1007U @ 1.50GHz' : 'intel_celeron_1007U', |
| 'Intel(R) Celeron(R) CPU 847 @ 1.10GHz' : 'intel_celeron_847', |
| 'Intel(R) Celeron(R) CPU 867 @ 1.30GHz' : 'intel_celeron_867', |
| 'Intel(R) Celeron(R) CPU 877 @ 1.40GHz' : 'intel_celeron_877', |
| 'Intel(R) Celeron(R) CPU B840 @ 1.90GHz' : 'intel_celeron_B840', |
| 'Intel(R) Core(TM) i3-4005U CPU @ 1.70GHz': 'intel_i3_4005U', |
| 'Intel(R) Core(TM) i3-4010U CPU @ 1.70GHz': 'intel_i3_4010U', |
| 'Intel(R) Core(TM) i3-4030U CPU @ 1.90GHz': 'intel_i3_4030U', |
| 'Intel(R) Core(TM) i5-2450M CPU @ 2.50GHz': 'intel_i5_2450M', |
| 'Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz': 'intel_i5_2467M', |
| 'Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz': 'intel_i5_2520M', |
| 'Intel(R) Core(TM) i5-3427U CPU @ 1.80GHz': 'intel_i7_3427U', |
| 'Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz': 'intel_i7_4600U', |
| } |
| |
| |
| def detect(): |
| """ |
| Returns CPU type. That is 'Model name' column of 'lscpu'. |
| For example, 'Intel(R) Core(TM) i5-7Y57 CPU @ 1.20GHz' |
| Raise exception if a processor isn't a known one. |
| |
| @returns string: CPU type. |
| """ |
| |
| def get_cpu_name(cpu_str): |
| # Check if cpu_str is an expected cpu and return an original name |
| # describing it. Otherwise an exception is thrown. |
| logging.debug('Parse CPU type: %s', cpu_str) |
| return cpu_list[cpu_str] |
| |
| try: |
| lscpu_result = subprocess.check_output(['lscpu']) |
| except subprocess.CalledProcessError: |
| logging.exception('lscpu failed.') |
| raise error.TestFail('Fail to execute "lscpu"') |
| |
| logging.debug('The result of lscpu.') |
| for cpu_info in lscpu_result.splitlines(): |
| logging.debug(cpu_info) |
| if not ':' in cpu_info: |
| continue |
| key, value = cpu_info.split(':', 1) |
| if key == 'Model name': |
| return get_cpu_name(value.strip()) |
| |
| raise error.TestFail("Couldn't get CPU type.") |
