added dpm_complete and dpm_prepare to the ftrace function filter
added ftrace callgraph data for dpm_prepare and dpm_complete device
callbacks. I pick up the first function traced in each device_pm_callback
trace event and follow it.
added some debug info the complete/prepare call testing
changed the complete/prepare parse to after the callgrapf parse
added a fix to the fwsuspend line being found in the ftrace file using
the old formatting
changed legacy function names, update the status check