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selftests: mptcp: add option to specify size of file to transfer
The script generates two random files that are then sent via tcp and mptcp connections. In order to compare throughput over consecutive runs add an option to provide the file size on the command line: "-f 128000". Also add an option, -t, to enable tcp tests. This is useful to compare throughput of mptcp connections and tcp connections. Example: run tests with a 4mb file size, 300ms delay 0.01% loss, default gso/tso/gro settings and with large write/blocking io: mptcp_connect.sh -t -f $((4 * 1024 * 1024)) -d 300 -l 0.01% -r 0 -e "" -m mmap Signed-off-by: Florian Westphal <fw@strlen.de> Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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