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cpuLogger.sh
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cpuLogger.sh
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#!/usr/bin/env bash
# Copyright 2019, Institute for Systems Biology
#
# 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.
#
# Uses netstat and top to determine if child processes of the Jupyter Notebook server have any
# CPU activity. Note that tiny amounts of activity could still present as 0.0 CPU, so it is
# useful to recall this for e.g. 60 seconds.
# Requires the configuration script to be in the ${HOME}/bin directory
#
source ${HOME}/bin/setEnvVars.sh
SERV_PROC=`sudo netstat -tlp | grep ":${SERV_PORT}" | grep -v "^tcp6" | awk '{print $7}' | sed 's#/.*##'`
CHILD_PROCS=`ps -alx | awk '{print $3 " " $4}' | grep ${SERV_PROC} | awk '{print $1}' | grep -v ${SERV_PROC}`
if [ -n "${CHILD_PROCS}" ]; then
for PROC in ${CHILD_PROCS}; do
TOPVAL=`top -b -n 1 -p ${PROC} | tail -n 1`
if [ ${TOPVAL} != '%CPU' ]; then
echo ${TOPVAL}
fi
done
fi