#! /bin/sh
# PCP QA Test No. 482
# exercise pmlogsummary "-B" option (display value distribution in bins)
#
# Copyright (c) 1995-2002 Silicon Graphics, Inc.  All Rights Reserved.
#

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

# get standard filters
. ./common.product
. ./common.filter

status=1	# failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15

# usage: _xtract metric
_xtract()
{
    pmdumplog -D1 src/binning $1 >$tmp.out 2>$tmp.err
    cat $tmp.err $tmp.out \
    | $PCP_AWK_PROG '
$1 == "pmResult"                { state=1; time=$7; stamp=$6; next }
state == 1 && /\('"$1"'\)/      { state=2; next }
state == 2                      { state=0; print time,stamp,$2; next }
NF==0                           { state=0; next }' \
    | LC_COLLATE=POSIX _POSIX2_VERSION=0 sort -u +1n -2
}

# usage: _filterbins nbins < pmlogsummary output (with args=-ymMB nbins)
_filterbins()
{
    $PCP_AWK_PROG -v nbins=$1 '{
	printf "(%d)\n", $5
	for (i=0; i < nbins; i++)
	    printf "    Bin%d  = %d\n", i, $(7+(i*2))
    }'
}

# usage: _dobinning nbins min max < values
_dobinning()
{
    size=`echo "scale=10; ( $3 - $2 ) / $1" | bc`
    #echo BINSIZE=$size NBINS=$1

    $PCP_AWK_PROG -v nbins=$1 -v size=$size -v min=$2 '
	{   for (i=0; i < nbins; i++) {
		if ($1 >= (size*i) + min && $1 <= (size*(i+1))+min) {
		    #printf "%f is in bin %d\n", $1, i
		    bins[i]++
		    total++
		}
		#else
		#printf "%f out of %f-%f\n", $1, (size*i)+min, (size*(i+1))+min
	    }
	    #printf "value is %f\n", $1
	}
END	{   printf "(%d)\n", total
	    for (i=0; i < nbins; i++)
		printf "    Bin%d  = %d\n", i, bins[i]
	}'
}

_noncounter_values()
{
    $PCP_AWK_PROG '{
	    printf "%f\n", $3
	    if (count == 0 || $3 > max) max = $3
	    if (count == 0 || $3 < min) min = $3
	    count++
	    next
}
END	  { printf "COUNT=%d MAX=%f MIN=%f\n", count, max, min }'
}

_counter_values()
{
    $PCP_AWK_PROG '{
	    if (count > 0) {
		value = (($3 - prevval)/($2 - prevtime))/1000.0
		printf "%f\n", value
		if (count == 1 || value > max) max = value
		if (count == 1 || value < min) min = value
	    }
	    count++
	    prevval = $3
	    prevtime = $2
	    next
	  }
END	  { printf "COUNT=%d MAX=%f MIN=%f\n", count-1, max, min }'
}

# real QA test starts here
echo
echo "=== testing instanteous metric value distribution ==="
nbins=3
_xtract sample.scale_step.time_up_nanosecs | _noncounter_values > $tmp.noncount
eval `fgrep COUNT $tmp.noncount`
#echo count=$COUNT maximum=$MAX minimum=$MIN
$PCP_ECHO_PROG $PCP_ECHO_N "QA calculates: ""$PCP_ECHO_C"
fgrep -v COUNT $tmp.noncount | _dobinning $nbins $MIN $MAX

$PCP_ECHO_PROG $PCP_ECHO_N "pmlogsummary calculates: ""$PCP_ECHO_C"
pmlogsummary -ymMB $nbins src/binning sample.scale_step.time_up_nanosecs \
	| _filterbins $nbins

echo
echo "=== testing counter metric value distribution ==="
nbins=4
_xtract sample.milliseconds | _counter_values > $tmp.count
eval `fgrep COUNT $tmp.count`
#echo count=$COUNT maximum=$MAX minimum=$MIN
$PCP_ECHO_PROG $PCP_ECHO_N "QA calculates: ""$PCP_ECHO_C"
fgrep -v COUNT $tmp.count | _dobinning $nbins $MIN $MAX

$PCP_ECHO_PROG $PCP_ECHO_N "pmlogsummary calculates: ""$PCP_ECHO_C"
pmlogsummary -ymMB $nbins src/binning | fgrep sample.milliseconds \
	| _filterbins $nbins

# misc checks
echo
echo "=== testing boundary conditions ==="
pmlogsummary -B 1 src/binning >/dev/null 2>&1
[ $? -ne 0 ] && echo "  urk - error test #1 failed!"
pmlogsummary -B 0 src/binning >/dev/null 2>&1
[ $? -ne 0 ] && echo "  urk - error test #2 failed!"
pmlogsummary -B -7 src/binning >/dev/null 2>&1
[ $? -eq 0 ] && echo "  urk - error test #3 failed!"

echo done.
echo

# success, all done
status=0
exit