内存统计

#!/bin/sh

if [ -z "$1" ]; then
    modlist="ServiceManager DSVMCUCOMSVC DSVSystemSVC DSVProxySVC Lifecycle AppManager DSVConfigSVC NadService Loc_Service DSVAudioSVC DSVUpdateSVC DSVNetworkSVC DSVOBOXAdaptorSVC DSVOBOXSDKSVC DSVICICOMSVC DSVVTMAdaptorAPP DSVCallAPP DSVVehicleCOMAPP DSVICICOMAPP DSVLocationAPP DSVDiagnosticAPP DSVUpdateAPP DSVEngineeringModeAPP"
else
    modlist=$1
fi

for j in $modlist
do
    pid=`ps aux | grep $j |head -n 1|cut -d ' ' -f 2`
    echo "------------------------"
        echo -n `cat /proc/$pid/status | head -n 1`
    echo "[$pid]"
        echo "------------------------"
        cat /proc/$pid/smaps  | awk '/Size|Rss|Pss/{val_name=gensub(/([a-zA-Z_]*).*/,"\1",1,$1); list[val_name]+=$2; }END{for(val in list)print val,list[val];}'
done


exit 0

使用脚本计算每个进程的内存消耗

Pss：物理内存 – 实际使用的内存

Rss：驻留内存

使用方法：

#./getmem.sh

列举当前所有我们自己的app/service每个进程占据的内存容量

#./getmem.sh pid

列举某进程pid的进程占据内存容量