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|
#! /bin/sh
# PCP QA Test No. 412
# Test out wrapping on libpcp/interp
#
# Test the creation and reading of an archive created using pmlogger(1) and
# and pmval(1). On IRIX 6.2 and earlier, this test purposely sets the TZ
# variable to specify daylight savings using the extended format, in a way
# that does not break libc.so.
#
# Copyright (c) 1995-2002 Silicon Graphics, Inc. All Rights Reserved.
#
seq=`basename $0`
echo "QA output created by $seq"
# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check
signal=$PCP_BINADM_DIR/pmsignal
status=1 # failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
_wrap_off()
{
dowrap=0
unset PCP_COUNTER_WRAP
echo "--- Wrapping OFF ---"
}
_wrap_on()
{
dowrap=1
PCP_COUNTER_WRAP=
export PCP_COUNTER_WRAP
echo "--- Wrapping ON ---"
}
_isLaterThanIRIX62 () {
if [ "$PCP_PLATFORM" = irix ]
then
STAT=`uname -a | $PCP_AWK_PROG '
BEGIN { status = 0 }
1 {
x = $3
if (x > 6.2) status = "0"
else status = "1"
}
END { print status }
'`
else
STAT=2 # not an IRIX platform
fi
return $STAT
}
_setTimeZone () {
MONTH=`date +%m`
if [ $MONTH -lt 7 ]
then
# Daylight savings on from Sunday 1st January to
# Sunday 5th March
TZ="EST-10EDT-11,1/0,64/3"
else
# Daylight savings on from Sunday 29th October to Wednesday
# "32nd" December (including the end of the extra day for
# leap years)
TZ="EST-10EDT-11,302/2,367/0"
fi
# This is what the specification should be normally, but
# it won't work because the start date of daylight savings
# is AFTER the end date. libc.so hates this, so I hate
# libc.so.
#TZ="EST-10EDT-11,302/2,64/3"
echo $TZ
}
#
# Reset the sample agent so that we start from a known
# point for the wrap metrics
#
_reset()
{
pmstore sample.control -1 >/dev/null
$sudo $signal -a -s HUP pmcd
_wait_for_pmcd
}
#
# Simulate interpolated fetching with/without wrapping
# Assumes doing it for sample.wrap.ulong
#
_process_log()
{
$PCP_AWK_PROG -v dowrap=$dowrap -v half_delta=$half_delta '
BEGIN {
maxuint = 4294967295;
debug=0
}
$2 == "29.0.58" {
curr_time = $1;
curr_value = $5;
gsub(/^.*:/, "", curr_time);
if (prev_time != 0) {
delta = curr_time - prev_time;
if (delta < 0) delta += 60; # delta wrap :-)
if (debug)
printf("delta=%s;curr=%s;prev=%s\n", delta, curr_time, prev_time);
#x = (prev_value + curr_value) / 2.0
x = (curr_value - prev_value) / delta * half_delta;
x += prev_value;
if (curr_value < prev_value && dowrap) { # then wrap
new_curr_value = curr_value + maxuint;
x = (new_curr_value - prev_value) / delta * half_delta;
x += prev_value;
if (x > maxuint) x -= maxuint; # wrap back if necessary
}
printf "%15.0d\n",x;
}
prev_time = curr_time;
prev_value = curr_value;
}
' <$tmp.dump
}
#
# Note the time of the first sample.wrap value
#
_set_starttime()
{
$PCP_AWK_PROG '
$2 == "29.0.58" {
printf("starttime=%s\n", $1);
exit 0;
}
' <$tmp.dump >$tmp.starttime
eval `cat $tmp.starttime`
}
#
# Get out the interp values using pmval
#
_pmval_log()
{
echo >>$seq.full
echo "--- pmval ---" >>$seq.full
pmval -w 15 -f 0 -r -a $tmp.archive -S "@$starttime" -O $half_delta -t $delta \
sample.wrap.ulong \
| tee -a $seq.full \
| sed \
-e '/metric/,/interval/d' \
-e '/^[ ]*$/d' \
-e 's/^[^ ][^ ]* *//'
}
#
# Compare values allowing for an error
#
_compare_results()
{
echo >>$seq.full
echo "--- paste ---" >>$seq.full
error=1e+08
paste $tmp.1 $tmp.2 \
| tee -a $seq.full \
| $PCP_AWK_PROG -v error=$error ' {
diff = $1-$2;
if (diff < 0) diff *= -1;
if (diff > error)
printf("mismatch: %f, %f (diff=%f)\n", $1, $2, diff);
else
printf("match\n");
}'
}
rm -f $seq.full
# real QA test starts here
delta=2
half_delta=1
_isLaterThanIRIX62
if [ $? = 1 ]
then
TZ=`_setTimeZone` # this forces the timezone to be correct and
export TZ # problem-free on IRIX 6.2 and earlier.
fi
_reset
cat <<EOF >$tmp.config
log advisory on $delta second {
sample.wrap.ulong
}
EOF
pmlogger -c $tmp.config -s5 -l$tmp.log $tmp.archive
if [ $? -ne 0 ]
then
echo "Archive failed to be created !"
cat $tmp.log
exit 1
fi
pmdumplog $tmp.archive >$tmp.dump
echo >>$seq.full
echo "--- pmdumplog ---" >>$seq.full
cat $tmp.dump >>$seq.full
_set_starttime
_wrap_off
_process_log >$tmp.1
echo >>$seq.full
echo "--- process_log wrap_off ---" >>$seq.full
cat $tmp.1 >>$seq.full
_pmval_log >$tmp.2
echo >>$seq.full
echo "--- process pmval ---" >>$seq.full
cat $tmp.2 >>$seq.full
_compare_results
_wrap_on
_process_log >$tmp.1
echo >>$seq.full
echo "--- process_log wrap_on ---" >>$seq.full
cat $tmp.1 >>$seq.full
_pmval_log >$tmp.2
echo >>$seq.full
echo "--- process pmval ---" >>$seq.full
cat $tmp.2 >>$seq.full
_compare_results
# success, all done
status=0
exit
|
