This option performs two steps.
First, for a complete full IORegistry dump, the ioregwv tool is run five times, once for each IORegistry plane. A shell script is then run to process the output and build an IORegViewer folder in the latest dump/IORegistry folder.
Source | ioregwv from blackosx repository |
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Second, the /usr/sbin/ioreg tool is run to dump the IOService plane to a file named IOReg.txt and the IODeviceTree plane to a file named IORegDT.txt. Each file is then saved in the latest dump/IORegistry folder.