Merge #124

124: Add netbench runner r=stlankes a=mkroening

This little script helps running `netbench`.

I am not sure if we would even want such a thing upstream. The amount of RAM and the arguments for `netbench` has still to be debated about.

What do you think?



Co-authored-by: Martin Kröning <mkroening@posteo.net>

benches/netbench/run.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+# Usage:   run.sh TARGET BIN
+# Example: run.sh linux server-bw
+#          run.sh hermit client-bw
+
+set -o errexit
+
+netbench_dir="${0%/*}"
+root_dir="$netbench_dir"/../..
+rusty_loader_dir="$root_dir"/loader
+
+bin=$2
+args="--bytes 1048576 --rounds 1000"
+
+hermit() {
+    echo "Building rusty-loader"
+
+    make -C "$rusty_loader_dir" release=1
+
+    echo "Building $bin image"
+
+    cargo build --manifest-path "$netbench_dir"/Cargo.toml --bin $bin \
+        --release
+
+    echo "Launching $bin image on QEMU"
+
+    qemu-system-x86_64 -cpu host \
+            -enable-kvm -display none -smp 1 -m 1G -serial stdio \
+            -kernel "$rusty_loader_dir"/target/x86_64-unknown-hermit-loader/release/rusty-loader \
+            -initrd "$root_dir"/target/x86_64-unknown-hermit/release/$bin \
+            -netdev tap,id=net0,ifname=tap10,script=no,downscript=no,vhost=on \
+            -device virtio-net-pci,netdev=net0,disable-legacy=on \
+            -append "-- --nonblocking 0 --address 10.0.5.1 $args"
+}
+
+linux() {
+    echo "Launching $bin on linux"
+
+    cargo run --manifest-path "$netbench_dir"/Cargo.toml --bin $bin \
+        --release \
+        --target x86_64-unknown-linux-gnu \
+        -- \
+        --nonblocking 0 --address 10.0.5.3 $args
+}
+
+$1