| #!/bin/bash |
| #/******************************************************************************* |
| # Copyright (C) 2011, Linaro Limited. |
| # |
| # This file is part of PM QA. |
| # |
| # All rights reserved. This program and the accompanying materials |
| # are made available under the terms of the Eclipse Public License v1.0 |
| # which accompanies this distribution, and is available at |
| # http://www.eclipse.org/legal/epl-v10.html |
| # |
| # Contributors: |
| # Torez Smith <torez.smith@linaro.org> (IBM Corporation) |
| # - initial API and implementation |
| #******************************************************************************/ |
| |
| ### |
| # Simple test to assure governor support for cpu frequency altering is possible. |
| # Assure the files are available that allow you to switch between governors. |
| ### |
| if [ -d /sys/devices/system/cpu/cpu0/cpufreq ] ; then |
| if [ ! -f /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors ] ; then |
| echo "NA no added frequencies" |
| exit -1; |
| fi |
| if [ ! -f /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor ] ; then |
| echo "FAIL missing scaling governor file" |
| exit -1; |
| fi |
| echo "PASS `cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors `" |
| exit 0; |
| else |
| echo "NA no added frequencies" |
| exit -1; |
| fi |
| |