Add perf record support for fstack

experiments/nginx_single_run.sh

@@ -2,12 +2,29 @@ source "$EXP_ROOT/experiments/nginx.shared.sh"
 
 pre_start() {
     nginx_pre_start
+
+    while [ ! -z "$1" ]; do
+        case "$1" in
+            --perf-record)
+                PERF_RECORD_TYPE="$2"
+                EXPERIMENT_NAME_EXT="perf_$PERF_RECORD_TYPE.$EXPERIMENT_NAME_EXT"
+                shift
+                shift
+                ;;
+            *)
+                echo "Unknown option"
+                exit 1
+                ;;
+        esac
+    done
 }
 
 run_exp() {
     nginx_start
     nginx_warmup
+    [ ! -z "$PERF_RECORD_TYPE" ] && perf_record_start
     nginx_bench 10000
+    [ ! -z "$PERF_RECORD_TYPE" ] && perf_record_stop
     nginx_stop
 }