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#! /bin/bash | |
# | |
# hapee_tracing.sh | |
KILL_FILE="/tmp/kill_hapee_tracing" | |
BASE_DIR="/var/log/pidstats/" | |
SOCKET_DIR="/run/lb_engine/" | |
PROCESS_NUMBER="$1" | |
PIDS=( $(cat /run/hapee-lb.pid) ) | |
PID_INDEX=$(($PROCESS_NUMBER-1)) | |
PID=${PIDS[${PID_INDEX}]} | |
mkdir -p "${BASE_DIR}" | |
while true ; do | |
if [ -f "${KILL_FILE}" ] ; then | |
exit 0 | |
fi | |
timeout 60 pidstat -u -p "${PID}" 1 | stdbuf -i0 -o0 -e0 egrep 'hapee-lb' | stdbuf -i0 -o0 -e0 awk '{print $6}' | while read line | |
do | |
if [ -f "${KILL_FILE}" ] ; then | |
exit 0 | |
fi | |
system_cpu=$(echo "${line}" | awk -F. '{print $1}') | |
if [ "${system_cpu}" -gt 30 ] ; then | |
echo 'show sess all' | socat ${SOCKET_DIR}process-${PROCESS_NUMBER}.sock stdio > ${BASE_DIR}sessions_$(date +%F:%H:%M:%S)_${PROCESS_NUMBER}_${PID} & | |
timeout 5 strace -ttvs200 -p "${PID}" -o ${BASE_DIR}strace_$(date +%F:%H:%M:%S)_${PROCESS_NUMBER}_${PID} | |
fi | |
done | |
PIDS=( $(cat /run/hapee-lb.pid) ) | |
PID=${PIDS[${PID_INDEX}]} | |
done |
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