Drop queryperf support from rpz system test

The queryperf support in the rpz system test is not utilized in the CI,
is likely not unused at all, and should be dropped.

(cherry picked from commit eaab796310)

bin/tests/system/rpz/qperf.sh

@@ -1,22 +0,0 @@
-#!/bin/sh
-
-# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
-#
-# SPDX-License-Identifier: MPL-2.0
-#
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0.  If a copy of the MPL was not distributed with this
-# file, you can obtain one at https://mozilla.org/MPL/2.0/.
-#
-# See the COPYRIGHT file distributed with this work for additional
-# information regarding copyright ownership.
-
-for QDIR in $(echo "$PATH" | tr : ' ') ../../../../contrib/queryperf; do
-  QPERF=$QDIR/queryperf
-  if test -f "$QPERF" -a -x "$QPERF"; then
-    echo $QPERF
-    exit 0
-  fi
-done
-
-exit 0

bin/tests/system/rpz/setup.sh

@@ -17,8 +17,6 @@ set -e
 
 . ../conf.sh
 
-QPERF=$($SHELL qperf.sh)
-
 $SHELL clean.sh
 
 for dir in ns*; do
@@ -118,32 +116,6 @@ a3-17.tld2	500 A	17.17.17.17
 ns1.x.rpz-nsdname	CNAME	.
 EOF
 
-if test -n "$QPERF"; then
-  # Do not build the full zones if we will not use them.
-  $PERL -e 'for ($val = 1; $val <= 65535; ++$val) {
-	printf("host-%05d\tA    192.168.%d.%d\n", $val, $val/256, $val%256);
-	}' >>ns5/example.db
-
-  echo >>ns5/bl.db
-  echo "; rewrite some names" >>ns5/bl.db
-  $PERL -e 'for ($val = 2; $val <= 65535; $val += 69) {
-	printf("host-%05d.example.tld5\tCNAME\t.\n", $val);
-	}' >>ns5/bl.db
-
-  echo >>ns5/bl.db
-  echo "; rewrite with some not entirely trivial patricia trees" >>ns5/bl.db
-  $PERL -e 'for ($val = 3; $val <= 65535; $val += 69) {
-	printf("32.%d.%d.168.192.rpz-ip  \tCNAME\t.\n",
-		$val%256, $val/256);
-	}' >>ns5/bl.db
-fi
-
-# some psuedo-random queryperf requests
-$PERL -e 'for ($cnt = $val = 1; $cnt <= 3000; ++$cnt) {
-	printf("host-%05d.example.tld5 A\n", $val);
-	$val = ($val * 9 + 32771) % 65536;
-	}' >ns5/requests
-
 cp ns2/bl.tld2.db.in ns2/bl.tld2.db
 cp ns5/empty.db.in ns5/empty.db
 cp ns5/empty.db.in ns5/policy2.db

bin/tests/system/rpz/tests.sh

@@ -708,57 +708,6 @@ done
 end_group
 ckstats $ns3 bugs ns3 8
 
-# superficial test for major performance bugs
-QPERF=$(sh qperf.sh)
-if test -n "$QPERF"; then
-  perf() {
-    date "+${TS}checking performance $1" | cat_i
-    # Dry run to prime everything
-    comment "before dry run $1"
-    $RNDCCMD $ns5 notrace
-    $QPERF -c -1 -l30 -d ns5/requests -s $ns5 -p ${PORT} >/dev/null
-    comment "before real test $1"
-    PFILE="ns5/$2.perf"
-    $QPERF -c -1 -l30 -d ns5/requests -s $ns5 -p ${PORT} >$PFILE
-    comment "after test $1"
-    X=$(sed -n -e 's/.*Returned *\([^ ]*:\) *\([0-9]*\) .*/\1\2/p' $PFILE \
-      | tr '\n' ' ')
-    if test "$X" != "$3"; then
-      setret "wrong results '$X' in $PFILE"
-    fi
-    ckalive $ns5 "failed; server #5 crashed"
-  }
-  trim() {
-    sed -n -e 's/.*Queries per second: *\([0-9]*\).*/\1/p' ns5/$1.perf
-  }
-
-  # get qps with rpz
-  perf 'with RPZ' rpz 'NOERROR:2900 NXDOMAIN:100 '
-  RPZ=$(trim rpz)
-  # turn off rpz and measure qps again
-  echo "# RPZ off" >ns5/rpz-switch
-  RNDCCMD_OUT=$($RNDCCMD $ns5 reload)
-  perf 'without RPZ' norpz 'NOERROR:3000 '
-  NORPZ=$(trim norpz)
-
-  PERCENT=$(((RPZ * 100 + (NORPZ / 2)) / NORPZ))
-  echo_i "$RPZ qps with RPZ is $PERCENT% of $NORPZ qps without RPZ"
-
-  MIN_PERCENT=30
-  if test "$PERCENT" -lt $MIN_PERCENT; then
-    echo_i "$RPZ qps with rpz or $PERCENT% is below $MIN_PERCENT% of $NORPZ qps"
-  fi
-
-  if test "$PERCENT" -ge 100; then
-    echo_i "$RPZ qps with RPZ or $PERCENT% of $NORPZ qps without RPZ is too high"
-  fi
-
-  ckstats $ns5 performance ns5 200
-
-else
-  echo_i "performance not checked; queryperf not available"
-fi
-
 if [ "$MODE" = dnsrps ]; then
   echo_i "checking that dnsrpzd is automatically restarted"
   OLD_PID=$(cat dnsrpzd.pid)