new: [vps] add ``bench`` action

bin/vps

@@ -2381,4 +2381,18 @@ cmdline.spec:mongo:cmd:upgrade:run() {
 
 
 
+cmdline.spec.gnu bench
+
+cmdline.spec::cmd:bench:run() {
+
+    depends sysbench
+
+    nbthread=$(lscpu | egrep "^CPU\(s\):" | cut -f 2 -d : | xargs echo)
+    single=$(sysbench cpu --cpu-max-prime=20000 run --threads=1 | grep "events per" | cut -f 2 -d : | xargs echo)
+    threaded=$(sysbench cpu --cpu-max-prime=20000 run --threads="$nbthread" | grep "events per" | cut -f 2 -d : | xargs echo)
+    echo "$threaded / $single / $nbthread"
+
+}
+
+
 cmdline::parse "$@"