efbench -- Benchmark tool for efense

Using eRPC to benchmark the network performance on these metrics:

1. Latency: measure the round-trip time of a single request.
2. Throughput: measure the number of requests that can be processed per second.
3. Network bandwidth: measure the interface bytes sent and received per second.

Server side

cargo run --bin efbench-server -- <SRV_IP> <SRV_PORT>

Client side -- Live benchmark

TUI interface to display the benchmark results in real-time using run chart for above metrics.

cargo run --bin efbench-client -- \
    live --iface eth1 --ip <SRV_IP> --port <SRV_PORT>

Client side -- Plot mode

Run the benchmark and save the results to a file, then create plot PNG after benchmark been stopped by Ctrl-C to stop the benchmark.

cargo run --bin efbench-client -- \
    plot --iface eth1 --ip <SRV_IP> --port <SRV_PORT>