From fce51b9b093066f4efdcce85727eef6f3a1b4565 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eirik=20=C3=98verby?= <ltning@anduin.net>
Date: Mon, 13 Jan 2025 19:30:17 +0100
Subject: [PATCH] First bench.sh

---
 bench.sh | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 bench.sh

diff --git a/bench.sh b/bench.sh
new file mode 100644
index 0000000..2fc1acb
--- /dev/null
+++ b/bench.sh
@@ -0,0 +1,61 @@
+#!/bin/sh
+
+mode=$1
+dest=$2
+
+usage() {
+    echo "Usage: ${0} <'connect'|'send'|'receive'> <destination>"
+    exit
+}
+
+if [ ! "$mode" ] ; then
+    echo 'Mode not specified!'
+    usage
+fi
+
+if [ ! "$dest" ] ; then
+    echo 'Dest not specified!'
+    usage
+fi
+
+case "$mode" in
+'connect')
+    prefix=''
+    command='echo -n'
+    ;;
+'send')
+    prefix='dd if=/dev/zero bs=4k count=256 | '
+    command='cat > /dev/null'
+    ;;
+'receive')
+    prefix=''
+    command='dd if=/dev/zero bs=4k count=256'
+    ;;
+*)
+    echo "Mode must be one of connect, send, receive"
+    usage
+    ;;
+esac
+
+mkdir -p "$dest"
+for m in $(cat macs) ; do
+    for c in $(cat ciphers) ; do
+        for k in $(cat kex) ; do
+            echo
+            echo "${dest}/${mode}__${m}__${c}__${k}.log"
+            $prefix /usr/bin/time ssh -o MACs=$m -o Ciphers=$c -o KexAlgorithms=$k $dest "${command}" 2>&1 >/dev/null |
+                tee -a "${dest}/${mode}__${m}__${c}__${k}.log"
+            sleep 0.1 || break
+        done
+        sleep 0.1 || break
+    done
+    sleep .01 || break
+done
+
+(
+    echo 'Mode MAC Cipher KEX Time'
+    for f in ${dest}/*.log ; do
+        echo -n "$f "
+        cut -f 2 -w < $f | awk '{s+=$0}END{print s/NR}' RS=" "
+    done | sort -gk 2 | head -10 | tr '_' ' '
+) | column -t