Memory consumption measurement script.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com

tools/mem_stats.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+
+# Copyright 2015 Samsung Electronics Co., Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Choosing table or semicolon-separated output mode
+if [ "$1" == "-d" ]
+then
+  TABLE="no"
+  PRINT_TEST_NAME_AWK_SCRIPT='{printf "%s;", $1}'
+  PRINT_TOTAL_AWK_SCRIPT='{printf "%d;%d;%d;%d\n", $1, $2, $4, $5 * 1024}'
+
+  shift
+else
+  PRINT_TEST_NAME_AWK_SCRIPT='{printf "%30s", $1}'
+  PRINT_TOTAL_AWK_SCRIPT='{printf "%25d%35d%35d%20d\n", $1, $2, $4, $5 * 1024}'
+  TABLE="yes"
+fi
+
+# Engine
+JERRY="$1"
+shift
+
+# Benchmarks list
+BENCHMARKS=""
+
+while [ $# -ne 0 ]
+do
+  BENCHMARKS="$BENCHMARKS $1"
+  shift
+done
+
+# Checking that the specified build supports memory statistics options
+tmpfile=`mktemp`
+$JERRY --mem-stats $tmpfile | grep -- "Ignoring memory statistics option because of '!MEM_STATS' build configuration." 2>&1 > /dev/null
+code=$?
+rm $tmpfile
+
+if [ $code -eq 0 ]
+then
+  echo "Please, use engine built with mem_stats modifier."
+
+  exit 1
+fi
+
+# Running
+if [ "$TABLE" == "yes" ]
+then
+  awk 'BEGIN {printf "%30s%25s%35s%35s%20s\n", "Test name", "Heap (byte-code)", "Heap (byte-code + parser)", "Heap (byte-code + execution)", "Maximum RSS"}'
+  echo
+fi
+
+for bench in $BENCHMARKS
+do
+  test=`basename -s '.js' $bench`
+
+  echo "$test" | awk "$PRINT_TEST_NAME_AWK_SCRIPT"
+  ./tools/rss-measure.sh "$JERRY --mem-stats --mem-stats-separate" $bench | \
+    grep -e "Peak allocated=" -e "Allocated =" -e "Rss" | grep -o "[0-9]*" | awk '{s=s" "$1;} END {print s;}' | \
+    awk "$PRINT_TOTAL_AWK_SCRIPT"
+done