#!/bin/sh
# PCP QA Test No. 851
#
# Tests various pcp-iostat features.
#
# Second part of 1099 that is conditional on availability of the
# metrics disk.dev.avactive, disk.dev.read_merge, et al. in the
# platform PMDA.
#
# Copyright (c) 2016 Ken McDonell.  All Rights Reserved.
# Copyright (c) 2016 Red Hat.  All Rights Reserved.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

which pmiostat >/dev/null 2>&1 || _notrun "pmiostat binary not installed"

for metric in disk.dev.avactive disk.dev.read_rawactive \
    disk.dev.read_merge disk.dev.write_rawactive disk.dev.write_merge
do
    numval=`pmprobe $metric | $PCP_AWK_PROG '{ print $2 }'`
    case "$numval"
    in
	[0-9]*)
	    ;;
	*)
	    _notrun "metric $metric not available for pcp-iostat"
	    ;;
    esac
done

status=1	# failure is the default!
$sudo rm -rf $tmp $tmp.* $seq.full
trap "cd $here; rm -rf $tmp $tmp.*; exit \$status" 0 1 2 3 15

# real QA test starts here

echo '== testing pmiostat --samples and -s options to ensure sufficientl samples'

pmiostat -t 0.01 -s 1 >$tmp.out
echo "=== -s 1 case ===" >>$here/$seq.full
cat $tmp.out >>$here/$seq.full
# expect 1 stats line for _each_ device
#
touch $tmp.ok
sed -e '/Device/d' <$tmp.out \
| $PCP_AWK_PROG '{ print $1 }' \
| sort \
| uniq -c \
| while read count dev
do
    if [ "$count" -ne 1 ]
    then
	echo "$dev: unexpected count of $count not 1 ... see $seq.full"
	rm -f $tmp.ok
    fi
done
[ -f $tmp.ok ] && echo "OK"

pmiostat -t 0.01 --samples 2 >$tmp.out
echo "=== --samples 2 case ===" >>$here/$seq.full
cat $tmp.out >>$here/$seq.full
# expect 2 stats line for _each_ device
#
touch $tmp.ok
sed -e '/Device/d' <$tmp.out \
| $PCP_AWK_PROG '{ print $1 }' \
| sort \
| uniq -c \
| while read count dev
do
    if [ "$count" -ne 2 ]
    then
	echo "$dev: unexpected count of $count not 2 ... see $seq.full"
	rm -f $tmp.ok
    fi
done
[ -f $tmp.ok ] && echo "OK"

# success, all done
status=0

exit
