162306a36Sopenharmony_ci--guestmount=<path>::
262306a36Sopenharmony_ci	Guest OS root file system mount directory. Users mount guest OS
362306a36Sopenharmony_ci	root directories under <path> by a specific filesystem access method,
462306a36Sopenharmony_ci	typically, sshfs.
562306a36Sopenharmony_ci	For example, start 2 guest OS, one's pid is 8888 and the other's is 9999:
662306a36Sopenharmony_ci[verse]
762306a36Sopenharmony_ci	$ mkdir \~/guestmount
862306a36Sopenharmony_ci	$ cd \~/guestmount
962306a36Sopenharmony_ci	$ sshfs -o allow_other,direct_io -p 5551 localhost:/ 8888/
1062306a36Sopenharmony_ci	$ sshfs -o allow_other,direct_io -p 5552 localhost:/ 9999/
1162306a36Sopenharmony_ci	$ perf {GMEXAMPLECMD} --guestmount=~/guestmount {GMEXAMPLESUBCMD}
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