#!/bin/sh
# PCP QA Test No. 753
# Corner cases for derived metrics, and rate() and delta() functions
# in particular.
#
# Copyright (c) 2014 Ken McDonell.  All Rights Reserved.
#

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

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

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

_filter()
{
    tee -a $seq.full \
    | sed \
	-e '/^host:/d' \
    | case "$1"
      in
	sample.kbyte_rate)
	    awk '
/No values available/	{ want = 1; print; next }
want == 1		{ if (-4096 < $1 && $1 < 4096) print "abs(N) < 4096"
			  else print "unexpected value:",$0
			  want = 0
			  next
			}
			{ print }'
	    ;;
	*)
	    cat
	    ;;
      esac
}

# real QA test starts here
pmstore sample.colour 0 >>$seq.full 2>&1
cat <<End-of-File | while read metric min max ; do
sample.bin
sample.colour
sample.datasize
hinv.ncpu
sample.string.hullo
sample.kbyte_rate
End-of-File
    echo | tee -a $seq.full
    echo "--- $metric ---" | tee -a $seq.full
    echo "d=delta($metric)" >$tmp.config
    echo "r=rate($metric)" >>$tmp.config
    echo "+++ delta +++" >>$seq.full
    pmval -t 0.5 -f 0 -s 2 d | _filter $metric
    echo "+++ rate +++" >>$seq.full
    pmval -t 0.5 -f 0 -s 2 r | _filter $metric
done

# success, all done
status=0

exit
