top을 이용한 성능데이터 로깅
2013.01.13 04:17
원문 : http://www.ischo.net -- 조인상 // 시스템 엔지니어
Writer : http://www.ischo.net -- ischo // System Engineer in Replubic Of Korea
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
원문 : http://www.ischo.net -- 조인상 //시스템 엔지니어
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
top의 command line 을 이용하여 전체시스템 CPU,메모리, 특정 프로세스 메모리 사용량을 로깅하고
CSV 형식으로 출력하는 쉘 스크립트.
특정프로세스 (ex:java)만의 메모리 사용 변화량을 보기 위함.
#!/bin/ksh
# Shell - Logging Total used memory & specific PID's used memory
## ENVIRONMENT SET ##########################
DATE=`date +%Y%m%d_%H:%M:%S`
# entire log file name
LOGFILE=result_${DATE}.log
# csv file name
DESTFILE=result_${DATE}.csv
# set checking process's PID
PID=19686
# INTERVAL by second
INTERVAL=1
#############################################
## MAIN PROCEDURE ###########################
while [ 0 ];
do
top -bM -n 1 -p${PID} >> ${LOGFILE}
TIME=`tail -10 ${LOGFILE} | grep "top -" | awk '{print $3}'`
CPU_USED=`tail -10 ${LOGFILE} | grep Cpu | awk '{print $2}' | sed 's/us//g'`
MEM_USED=`tail -10 ${LOGFILE} | grep Mem: | awk '{print $4}'`
PID_USED=`tail -10 ${LOGFILE} | grep ${PID} | awk '{print $6}'`
echo "${TIME},${CPU_USED},${MEM_USED},${PID_USED}" >> ${DESTFILE}
sleep ${INTERVAL}
done
#############################################
