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Class for dealing with all systemctl subp calls in a consistent manner.
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Make a subp call based on set args and handle errors by setting
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If subp call succeeded, return the timestamp from subp as a float.
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Determine which init system a particular linux distro is using.
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providing timestamps.
:return: timestamps of kernelboot, kernelendboot, and cloud-initstart
or TIMESTAMP_UNKNOWN if the timestamps cannot be retrieved.
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Gather timestamps that corresponds to kernel begin initialization,
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Gather timestamps that corresponds to kernel begin initialization,
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:return: the three timesread_propertystamps
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Take in raw events and create parent-child dependencies between events
in order to order events in chronological order.
:param events: JSONs from dump that represents events taken from logs
:param print_format: formatting to represent event, time stamp,
and time taken by the event in one line
:return: boot records ordered chronologically
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A passthrough method that makes it easier to call generate_records()
:param events: JSONs from dump that represents events taken from logs
:param print_format: formatting to represent event, time stamp,
and time taken by the event in one line
:return: boot records ordered chronologically
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Takes in a log file, read it, and convert to json.
:param infile: The Log file to be read
:return: json version of logfile, raw file
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