Add bm_cleos_cmd.sh && Set project version

Author: smlu

CMakeLists.txt

@@ -1,5 +1,9 @@
 cmake_minimum_required( VERSION 3.14 )
-project( ack )
+project( 
+  ack 
+  LANGUAGES CXX
+  VERSION 0.1.0
+)
 
 option( ACK_NO_INTRINSICS     "Don't use intrinsics"      OFF )
 option( ACK_BUILD_TESTS       "Build tests"               ON  )

scripts/bm_cleos_cmd.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+# Banchmark script for cleos command
+# usage:
+#      bm_cleos_cmd.sh "<cleos_command>" N-iterations
+
+script_name="$(basename "$(test -L "$0" && readlink "$0" || echo "$0")")"
+sleep_time=3
+
+print_help() {
+    echo "Usage:"
+    echo -e "    ${script_name} <command> N-iterations\n"
+}
+
+if [[ $# -lt 2 ]]; then
+    echo "Error: invalid number of arguments!" >&2
+    print_help
+    exit 1
+fi
+
+command=$1
+iterations=$2
+
+re='^[0-9]+$'
+if ! [[ $iterations =~ $re ]] ; then
+   echo "Error: iteration argument is not a number!" >&2
+   print_help
+   exit 1;
+fi
+
+sum_cpu_usage_us=0
+for (( i = 0; i < $iterations; i++ ))
+do
+    result=$($command -j)
+    rc=$?; if [[ $rc != 0 ]]; then echo -e "Error: An error occored while executing command!\n${result}"; exit $rc; fi
+    cpu_usage_us=$(echo $result | jq -r ".processed.receipt.cpu_usage_us")
+    if [ "$cpu_usage_us" != "<unknown>" ]; then
+        sum_cpu_usage_us=$(expr $sum_cpu_usage_us + $cpu_usage_us)
+    fi
+    sleep $sleep_time
+done;
+
+echo "avg. CPU usage: $(expr $sum_cpu_usage_us / $iterations)us"