#!/bin/bash
# BEGIN_ICS_COPYRIGHT8 ****************************************
#
# Copyright (c) 2015-2020, Intel Corporation
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Intel Corporation nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# END_ICS_COPYRIGHT8 ****************************************
# [ICS VERSION STRING: unknown]
# get loadavg on all hosts and show busiest or least busy hosts
# This can be used to make sure hosts are idle before starting a MPI benchmark
# or to see if a benchmark is running
# optional override of defaults
if [ -f /etc/opa/opafastfabric.conf ]
then
. /etc/opa/opafastfabric.conf
fi
. /usr/lib/opa/tools/opafastfabric.conf.def
. /usr/lib/opa/tools/ff_funcs
trap "exit 1" SIGHUP SIGTERM SIGINT
Usage_full()
{
echo "Usage: opacheckload [-f hostfile] [-h 'hosts'] [-r] [-a|-n numprocs]" >&2
echo " [-d uploaddir]" >&2
echo " or" >&2
echo " opacheckload --help" >&2
echo " --help - produce full help text" >&2
echo " -f hostfile - file with hosts to check," >&2
echo " default is $CONFIG_DIR/opa/hosts" >&2
echo " -h hosts - list of hosts to check" >&2
echo " -r - reverse output, show least busy hosts, default is busiest hosts" >&2
echo " -n numprocs - show top numprocs hosts, default 10" >&2
echo " -a - show all hosts, default 10" >&2
echo " -d upload_dir - directory to upload loadavg to, default is uploads" >&2
echo " -H - suppress headers for script parsing" >&2
echo >&2
echo " Environment:" >&2
echo " HOSTS - list of hosts, used if -h option not supplied" >&2
echo " HOSTS_FILE - file containing list of hosts, used in absence of -f and -h" >&2
echo " UPLOADS_DIR - directory to upload loadavg to, used in absence of -d" >&2
echo " FF_MAX_PARALLEL - maximum concurrent operations" >&2
echo "example:">&2
echo " opacheckload" >&2
echo " opacheckload -h 'arwen elrond'" >&2
echo " HOSTS='arwen elrond' opacheckload" >&2
exit 0
}
Usage()
{
echo "Usage: opacheckload [-f hostfile] [-r] [-a|-n numprocs]" >&2
echo " or" >&2
echo " opacheckload --help" >&2
echo " --help - produce full help text" >&2
echo " -f hostfile - file with hosts to check," >&2
echo " default is $CONFIG_DIR/opa/hosts" >&2
echo " -r - reverse output, show least busy hosts, default is busiest hosts" >&2
echo " -n numprocs - show top numprocs hosts, default 10" >&2
echo " -a - show all hosts, default 10" >&2
echo " -H - suppress headers for script parsing" >&2
echo >&2
echo " Environment:" >&2
echo " FF_MAX_PARALLEL - maximum concurrent operations" >&2
echo "example:">&2
echo " opacheckload" >&2
echo " opacheckload -f good" >&2
exit 2
}
if [ x"$1" = "x--help" ]
then
Usage_full
fi
numprocs=10
ropt=-r
while getopts f:h:n:d:aHr param
do
case $param in
h)
HOSTS="$OPTARG";;
H)
skip_headers=1;;
f)
HOSTS_FILE="$OPTARG";;
n)
numprocs="$OPTARG";;
d)
UPLOADS_DIR="$OPTARG";;
a)
numprocs="1000000";; # more than ever expected to be found
r)
ropt="";; # sort from lowest to highest, shows least busy
?)
Usage;;
esac
done
shift $((OPTIND -1))
if [ $# -ne 0 ]
then
echo "opacheckload: extra arguments: $@" >&2
Usage
fi
check_host_args opacheckload
# HOSTS now lists all the hosts, pass it along to the commands below via env
export HOSTS
unset HOSTS_FILE
# remove any stale data so we don't mistakenly report it below
for j in $HOSTS
do
rm -f $UPLOADS_DIR/$j/loadavg
done
opacmdall -p 'cat /proc/loadavg > /tmp/loadavg' >/dev/null
opauploadall -p /tmp/loadavg loadavg >/dev/null
if [ -z $skip_headers ]; then
echo "loadavg host"
fi
for j in $HOSTS
do
i=$UPLOADS_DIR/$j/loadavg
if [ ! -e $i ]
then
echo "opacheckload: $j: Unable to get loadavg" >&2
else
l=`cat $i`
echo "$l $j"
fi
done | sort -n $ropt|head -n $numprocs