From 46021c22d6997d6e64a01c3c31469f1d9378adca Mon Sep 17 00:00:00 2001
From: HuangXin <hzhuangxin01@corp.netease.com>
Date: Fri, 11 Jan 2019 16:01:34 +0800
Subject: [PATCH] Add dump memory script

---
 package/base-files/files/bin/dump_mem.sh | 42 ++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 package/base-files/files/bin/dump_mem.sh

diff --git a/package/base-files/files/bin/dump_mem.sh b/package/base-files/files/bin/dump_mem.sh
new file mode 100755
index 000000000..536d66d8d
--- /dev/null
+++ b/package/base-files/files/bin/dump_mem.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+TMPFILE="/tmp/pid.txt"
+
+let TOLMEM=`cat /proc/meminfo | grep MemTotal | awk '{print $2}'`
+let FREEMEM=`cat /proc/meminfo | grep MemFree | awk '{print $2}'`
+USEDHWMEM=0
+USEDVMMEM=0
+
+ps | awk '{print $1}' > $TMPFILE
+
+printf "------------------------------------------------------------------------------------------------------------------\n"
+printf "|                                       Memory(VM) = VmSize = VmLib + VmExe + VmData + VmStk                     |\n"
+printf "------------------------------------------------------------------------------------------------------------------\n"
+printf "|          Process         |    PID   | Memory(HW)/KB| Memory(VM)/KB| VMPeak/KB    | VMLib/KB     | VMStk/KB     |\n"
+printf "------------------------------------------------------------------------------------------------------------------\n"
+
+while read line
+do
+	MEMFILE=/proc/$line/status
+
+	if [ -f $MEMFILE ]; then
+		NAME=`cat $MEMFILE | grep Name | awk '{print $2}'`
+		PID=`cat $MEMFILE | grep -w Pid | awk '{print $2}'`
+		HWMEM=`cat $MEMFILE | grep VmRSS | awk '{print $2}'`
+		VMMEM=`cat $MEMFILE | grep VmSize | awk '{print $2}'`
+		VMPEAK=`cat $MEMFILE | grep VmPeak | awk '{print $2}'`
+		VMLIB=`cat $MEMFILE | grep VmLib | awk '{print $2}'`
+		VMSTK=`cat $MEMFILE | grep VmStk | awk '{print $2}'`
+
+		if [ -n "$HWMEM" ] && [ "$NAME" != "dump_mem.sh" ]; then
+			printf "| %-24s | %-8s | %-12s | %-12s | %-12s | %-12s | %-12s |\n" " $NAME" " $PID" " $HWMEM" "$VMMEM" "$VMPEAK" "$VMLIB" "$VMSTK"
+			USEDHWMEM=`expr $USEDHWMEM + $HWMEM`
+			USEDVMMEM=`expr $USEDVMMEM + $VMMEM`
+		fi
+	fi	
+done < $TMPFILE
+
+printf "------------------------------------------------------------------------------------------------------------------\n"
+awk -v b=$TOLMEM -v a=$FREEMEM -v c=$USEDHWMEM -v d=$USEDVMMEM -v y=1024.0 \
+		 'BEGIN{printf "Used/Total(%.0fM/%.0fM):                    %11.2fM   %11.2fM\n", (b-a)/y, b/y, c/y, d/y}'
+date -R