cpuidle module implements cpuidle state discovery, query and
manipulation for a Linux device. This replaces the more primitive
get_cpuidle_states method of LinuxDevice.
Renamed APIs (and added a couple of new ones) to be more consistent:
"core" APIs take a core name as the parameter (e.g. "a15") or whatever
is listed in core_names for that device.
"cluster" APIs take a numeric cluster ID (eg. 0) as the parameter. These
get mapped using core_clusters for that device.
"cpu" APIs take a cpufreq cpu ID as a parameter. These could be
integers, e.g. 0, or full string id, e.g. "cpu0".
- connect() to device before issuing the initial reboot, as soft reset
requires a device connection.
- boot() has been implemented to wait properly for the device to reboot
after reset.
- port now defaults to 22 rather than being left unset, as need
something to connect to when polling for device after reboot.
- Only use -P option for scp when port is *not* 22; as that option
appears to cause intermittent issues with default scp on Ubuntu 12.04
On some devices, sudo presents a different prompt when asking for a
password. All the prompt to be specified in device configruation to
handle such cases.
Some Linux devices may run on minimal root file systems
(e.g. buildroot) where /usr/local/bin path doesn't exist. Create
the binaries_directory if it doesn't exist instead of letting WA
quit and return errors such as:
INFO Runner: Skipping the rest of the iterations for this spec.
ERROR Runner: Error while running memcpy
ERROR Runner: CalledProcessError("Command 'sshpass
-p '<password>' /usr/bin/scp -r
/usr/local/lib/python2.7/dist-packages/
wlauto-2.3.0-py2.7.egg/wlauto/workloads/memcpy
/memcpy root@192.168.x.x:/usr/local/bin/memcpy'
returned non-zero exit status 1")
ERROR Runner: Got:
ERROR Runner:
ERROR Runner: scp: /usr/local/bin/memcpy:
No such file or directory
Signed-off-by: Lisa Nguyen <lisa.nguyen@linaro.org>
On generic_linux devices, one might ssh as the root user, in which
case there is no need to use sudo.
In addition, some root filesystems may not have sudo (e.g. minimal
buildroot/busybox).
This patch attempts to detect the root user using 'id -u' and, if it
detects the root user, avoids the use of sudo for running commands as
well.
Cc: Lisa Nguyen <lisa.nguyen@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
(setrofim: modified to only test once)
