pr2_controllers_msgs/JointTrajectoryControllerState Message

Header header
    uint32 seq
    time stamp
    string frame_id
string[] joint_names
trajectory_msgs/JointTrajectoryPoint desired
    float64[] positions
    float64[] velocities
    float64[] accelerations
    duration time_from_start
trajectory_msgs/JointTrajectoryPoint actual
    float64[] positions
    float64[] velocities
    float64[] accelerations
    duration time_from_start
trajectory_msgs/JointTrajectoryPoint error
    float64[] positions
    float64[] velocities
    float64[] accelerations
    duration time_from_start