# Copyright (c) 2012 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.

AUTHOR = "ChromeOS Team"
NAME = "power_CPUFreq"
PURPOSE = "Verify that supported CPU frequencies can be set."
CRITERIA = """
This test will fail under the following conditions:
  - cpu frequencies are not supported
  - no more than 1 frequency is supported
  - if a supported frequency cannot be set
"""
ATTRIBUTES = "suite:power_build"
TIME = "SHORT"
TEST_CATEGORY = "Functional"
TEST_CLASS = "power"
TEST_TYPE = "client"
PY_VERSION = 3

DOC = """
This test will read the supporting frequencies from the file
scaling_available_governors, and attempt to set the system to use each supported
frequency by writing to files scaling_max_freq, scaling_min_freq, and
scaling_setspeed. All files are located under:
  /sys/devices/system/cpu/cpu*/cpufreq/
"""

job.run_test('power_CPUFreq')