make detection of all GCs dynamic

bin/par.sh

@@ -25,6 +25,6 @@
 #
 # set up GC_SPECIFIC_OPTS for parallel collector
 # and append par tag to gc log file name
-export GC_SPECIFIC_OPTS="-XX:+UseParallelGC -XX:+UseParallelOldGC"
+export GC_SPECIFIC_OPTS="-XX:+UseParallelGC"
 export GC_LOG_FILE="${GC_LOG_FILE}-par"
 export OUT_LOG_FILE="${OUT_LOG_FILE}-par"

bin/parold.sh

@@ -0,0 +1,30 @@
+#
+# JBoss, Home of Professional Open Source
+# Copyright 2011, Red Hat and individual contributors
+# by the @authors tag. See the copyright.txt in the distribution for a
+# full listing of individual contributors.
+#
+# This is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation; either version 2.1 of
+# the License, or (at your option) any later version.
+#
+# This software is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this software; if not, write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+#
+# @authors Andrew Dinn
+#
+# setup script to use parallel collector
+#
+# set up GC_SPECIFIC_OPTS for parallel collector
+# and append par tag to gc log file name
+export GC_SPECIFIC_OPTS="-XX:+UseParallelGC -XX:+UseParallelOldGC"
+export GC_LOG_FILE="${GC_LOG_FILE}-parold"
+export OUT_LOG_FILE="${OUT_LOG_FILE}-parold"

bin/runparold-nocoops.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+#
+# JBoss, Home of Professional Open Source
+# Copyright 2011, Red Hat and individual contributors
+# by the @authors tag. See the copyright.txt in the distribution for a
+# full listing of individual contributors.
+#
+# This is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation; either version 2.1 of
+# the License, or (at your option) any later version.
+#
+# This software is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this software; if not, write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+#
+# @authors Andrew Dinn
+#
+WD=`dirname $0`
+. $WD/setup.sh
+. $WD/parold.sh
+. $WD/nocoops.sh
+exec $WD/run.sh $*

bin/runparold.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+#
+# JBoss, Home of Professional Open Source
+# Copyright 2011, Red Hat and individual contributors
+# by the @authors tag. See the copyright.txt in the distribution for a
+# full listing of individual contributors.
+#
+# This is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation; either version 2.1 of
+# the License, or (at your option) any later version.
+#
+# This software is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this software; if not, write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+#
+# @authors Andrew Dinn
+#
+WD=`dirname $0`
+. $WD/setup.sh
+. $WD/parold.sh
+exec $WD/run.sh $*

run.sh

@@ -9,7 +9,7 @@ done
 readonly CH_SCRIPT_DIR="$( cd -P "$( dirname "$SCRIPT_SOURCE" )" && pwd )"
 set -ex
 
-function ljava() {
+function getjava() {
   if [ "x$JAVA_HOME" != "x" ]; then
       LJAVA=${JAVA_HOME}/bin/java
       LJAR=${JAVA_HOME}/bin/jar
@@ -30,9 +30,12 @@ function ljava() {
   fi
 }
 
+function checkXX() {
+   ${LJAVA} -XX:+PrintFlagsFinal -version 2>/dev/null | grep -e ${1}
+}
+
 function globalInfo() {
   uname -a > outlog-global
-  ljava
   ${LJAVA} -version 2>>outlog-global || true
   echo "NOCOMP=${NOCOMP}">>outlog-global
   echo "GC=${GC}">>outlog-global
@@ -99,44 +102,59 @@ function tapResults() {
 ) || true
 }
 
+getjava
 
 GC=${1}
 if [ "x$GC" == "x" ] ; then
   #todo add generational zgc since jdk21, todo add generational shenandoah sicnce  jdk23?
   if [ "x$OTOOL_garbageCollector" == "xshentraver" ] ; then
     GC=shenandoah
   elif [ "x$OTOOL_garbageCollector" == "xALL" ] ; then
-	if [ "x$OTOOL_JDK_VERSION" == "x" ] ; then
-      GC="shenandoah zgc cms par g1" ## unset, main set set
-    elif [ "0$OTOOL_JDK_VERSION" -le 7  ] ; then
-      GC="               cms  par g1" ## we claim adoptium jdk8 as 7, as it do not have shenandoah.
-  	elif [ "0$OTOOL_JDK_VERSION" -ge 8  -a "0$OTOOL_JDK_VERSION" -le 11 ] ; then
-      GC="shenandoah     cms  par g1" # zgc arrived in jdk11
-	elif [ "0$OTOOL_JDK_VERSION" -gt 11  -a "0$OTOOL_JDK_VERSION" -le 20 ] ; then
-      GC="shenandoah zgc          g1" # no more cms or par
-    else
-     # in jdk 21 arrived generational zgc
-     GC="shenandoah zgc           g1 zgcgen" # zgcgem arrived in jdk21
+    GC=""
+    if checkXX UseShenandoahGC ; then 
+      GC="$GC shenandoah"
+    fi
+    if checkXX UseZGC ; then 
+      GC="$GC zgc"
+      if checkXX ZGenerational ; then 
+        GC="$GC zgcgen"
+      fi
+    fi
+    if checkXX UseConcMarkSweepGC ; then 
+      GC="$GC cms"
+    fi
+    if checkXX UseParallelGC ; then 
+      GC="$GC par"
+      if checkXX UseParallelOldGC ; then 
+        GC="$GC parold"
+      fi
+    fi
+    if checkXX UseG1GC ; then 
+      GC="$GC g1"
     fi
   elif [ "x$OTOOL_garbageCollector" == "xdefaultgc" ] ; then
     if [ "0$OTOOL_JDK_VERSION" -le 8 ] ; then
       GC=par
+      echo "double checking default gc is correct:"
+      checkXX UseParallelGC | grep  true
     else
       GC=g1
+      echo "double checking default gc is correct:"
+      checkXX UseG1GC | grep  true
     fi
   else
     GC="$OTOOL_garbageCollector"
   fi
 fi
 
 echo "GC=$GC"  >&2
+
 if [ "x$GC" == "x" ] ; then
   echo 'expected exactly one command line argument - garbage collector [g1|cms|par|shenandoah] or use OTOOL_garbageCollector variabnle with same values + two more - "defaultgc" and "ALL", wich will cause this to use default gc or iterate through all GCs (time will be divided). You should accompany it by OTOOL_JDK_VERSION=<8..21> so the proper set of jdks is chosen. Use NOCOMP=-nocoops to disable compressed oops.' >&2  
   exit 1
 fi
 
 if [ ! "x$STAMP"  == "x" ] ; then
-  ljava
   arch=`uname -m | sed "s/[^a-zA-Z0-9_]//g"`
   os=`uname -o | sed "s/[^a-zA-Z0-9_]//g"`
   jdk=`${LJAVA} -version 2>&1 | head -n1 | sed -E "s/[^0-9]+/-/g"`
@@ -177,7 +195,6 @@ if [ ! -e ${CH_SCRIPT_DIR}/target ] ; then
       mvn $MVOPTS install
     popd
   else
-    ljava
     pushd $CH_SCRIPT_DIR/src/main/java/
       ${LJAVAC} -d $CH_SCRIPT_DIR/target/classes `find . -type f | grep ".java$"`
       pushd $CH_SCRIPT_DIR/target/classes