Add support for multiple tunings

currently we have only experiments with turbo boost that needs to be an "additional" tuning

run.sh

@@ -7,6 +7,8 @@ if [ "$UID" -ne 0 ]; then
     exit 1
 fi
 
+EXTRA_TUNING=()
+
 export EXP_ROOT="$PWD"
 
 source ./configs/base.sh
@@ -27,7 +29,7 @@ while [[ $# -gt 0 ]]; do
             shift
             ;;
         --extra-tuning)
-            EXTRA_TUNING="$2"
+            EXTRA_TUNING+=("$2")
             shift
             shift
             ;;
@@ -72,14 +74,13 @@ if [ ! -f "./experiments/$EXPERIMENT.sh" ]; then
      exit 1
 fi
 
-if [ "$USERSTACK" == "true" ] && [ ! -z "$EXTRA_TUNING" ]; then
-    echo "Cannot apply extra tuning when using user stacks"
-    exit 1
-fi
-
 if [ "$USERSTACK" != "true" ]; then
     source ./tunings/normalize_queues.sh
-    [ ! -z "$EXTRA_TUNING" ] && source ./tunings/"$EXTRA_TUNING".sh
+    if [ "${#EXTRA_TUNING[@]}" -gt 0 ]; then
+         for tuning in "${EXTRA_TUNING[@]}"; do
+             source ./tunings/"$tuning".sh
+         done
+    fi
 fi
 
 # Initialization for DPDK
@@ -116,8 +117,10 @@ source "./experiments/$EXPERIMENT.sh"
 pre_start $@
 
 EXPERIMENT_NAME="$EXPERIMENT.$(uname -r)"
-if [ ! -z "$EXTRA_TUNING" ]; then
-    EXPERIMENT_NAME="$EXPERIMENT_NAME.$EXTRA_TUNING"
+if [ "${#EXTRA_TUNING[@]}" -gt 0 ]; then
+    for tuning in "${EXTRA_TUNING[@]}"; do
+        EXPERIMENT_NAME="$EXPERIMENT_NAME.$tuning"
+    done
 fi
 if [ "$FSTACK" == "true" ]; then
     EXPERIMENT_NAME="$EXPERIMENT_NAME.fstack"

tunings/turbo.sh

+# CPU frequency
+$X86_ENERGY_PERF_POLICY --turbo-enable 1
+$CPUPOWER frequency-set -f 3.4GHz || true