#! ./tesh

$ $SG_TEST_EXENV ${bindir:=.}/s4u_io
> [denise:host:(0) 0.000000] [s4u_test/INFO] Storage info on denise:
> [denise:host:(0) 0.000000] [s4u_test/INFO]     Disk4 (/home) Used: 13221994; Free: 536857690006; Total: 536870912000.
> [denise:host:(0) 0.000000] [s4u_test/INFO]     Disk2 (c:) Used: 2391537133; Free: 534479374867; Total: 536870912000.
> [denise:host:(0) 0.003333] [s4u_test/INFO] Create a 200000 bytes file named '/home/tmp/data.txt' on /sd1
> [denise:host:(0) 0.003333] [s4u_test/INFO] Storage info on denise:
> [denise:host:(0) 0.003333] [s4u_test/INFO]     Disk4 (/home) Used: 13421994; Free: 536857490006; Total: 536870912000.
> [denise:host:(0) 0.003333] [s4u_test/INFO]     Disk2 (c:) Used: 2391537133; Free: 534479374867; Total: 536870912000.
> [denise:host:(0) 0.004333] [s4u_test/INFO] Read 200000 bytes on /home/tmp/data.txt
> [denise:host:(0) 0.006000] [s4u_test/INFO] Write 100000 bytes on /home/tmp/data.txt
> [denise:host:(0) 0.006000] [s4u_test/INFO] Move '/home/tmp/data.txt' to '/home/tmp/simgrid.readme'
> [denise:host:(0) 0.006000] [s4u_test/INFO] User data attached to the file: 777
> [denise:host:(0) 0.006000] [s4u_test/INFO] Get/set data for storage element: Disk4
> [denise:host:(0) 0.006000] [s4u_test/INFO]     Uninitialized storage data: '(null)'
> [denise:host:(0) 0.006000] [s4u_test/INFO]     Set and get data: 'Some user data'
