Mercurial > jdk8-mips64-public > nashorn / file revision

 #!/bin/sh

 #

 # Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.

 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 # 

 # This code is free software; you can redistribute it and/or modify it

 # under the terms of the GNU General Public License version 2 only, as

 # published by the Free Software Foundation.

 # 

 # This code 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 General Public License

 # version 2 for more details (a copy is included in the LICENSE file that

 # accompanied this code).

 # 

 # You should have received a copy of the GNU General Public License version

 # 2 along with this work; if not, write to the Free Software Foundation,

 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 # 

 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 # or visit www.oracle.com if you need additional information or have any

 # questions.

 #

 ###########################################################################################

 # This is a helper script to evaluate nashorn with optimistic types

 # it produces a flight recording for every run, and uses the best 

 # known flags for performance for the current configration

 ###########################################################################################

 # Flags to enable assertions, we need the system assertions too, since

 # this script runs Nashorn in the BCP to override any nashorn.jar that might

 # reside in your $JAVA_HOME/jre/lib/ext/nashorn.jar

 #

 ENABLE_ASSERTIONS_FLAGS="-ea -esa"

 # Flags to instrument lambdaform computation, caching, interpretation and compilation

 # Default compile threshold for lambdaforms is 30

 #

 #LAMBDAFORM_FLAGS="\

 #    -Djava.lang.invoke.MethodHandle.COMPILE_THRESHOLD=3 \

 #    -Djava.lang.invoke.MethodHandle.DUMP_CLASS_FILES=true \

 #    -Djava.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE=true \

 #    -Djava.lang.invoke.MethodHandle.TRACE_INTERPRETER=true"

 # Flags to run trusted tests from the Nashorn test suite

 #

 #TRUSTED_TEST_FLAGS="\

 #-Djava.security.manager \

 #-Djava.security.policy=../build/nashorn.policy -Dnashorn.debug"

 # Testing out new code optimizations using the generic hotspot "new code" parameter

 #

 #USE_NEW_CODE_FLAGS=-XX:+UnlockDiagnosticVMOptions -XX:+UseNewCode

 #

 #-Dnashorn.typeInfo.disabled=false \

 # and for Nashorn options: 

 # --class-cache-size=0 --persistent-code-cache=false 

 # Unique timestamped file name for JFR recordings. For JFR, we also have to

 # crank up the stack cutoff depth to 1024, because of ridiculously long lambda form

 # stack traces.

 #

 # It is also recommended that you go into $JAVA_HOME/jre/lib/jfr/default.jfc and

 # set the "method-sampling-interval" Normal and Maximum sample time as low as you

 # can go (10 ms on most platforms). The default is normally higher. The increased

 # sampling overhead is usually negligible for Nashorn runs, but the data is better

 if [ -z $JFR_FILENAME ]; then

     JFR_FILENAME="./nashorn_$(date|sed "s/ /_/g"|sed "s/:/_/g").jfr"

 fi

 # Flight recorder

 #

 # see above - already in place, copy the flags down here to disable

 ENABLE_FLIGHT_RECORDER_FLAGS="\

     -XX:+UnlockCommercialFeatures \

     -XX:+FlightRecorder \

     -XX:FlightRecorderOptions=defaultrecording=true,disk=true,dumponexit=true,dumponexitpath=$JFR_FILENAME,stackdepth=1024"

 # Type specialization and math intrinsic replacement should be enabled by default in 8u20 and nine,

 # keeping this flag around for experimental reasons. Replace + with - to switch it off

 #

 #ENABLE_TYPE_SPECIALIZATION_FLAGS=-XX:+UseTypeSpeculation

 # Same with math intrinsics. They should be enabled by default in 8u20 and 9, so

 # this disables them if needed

 #

 #DISABLE_MATH_INTRINSICS_FLAGS=-XX:-UseMathExactIntrinsics

 # Add timing to time the compilation phases.

 #ENABLE_TIME_FLAGS=--log=time

 # Add ShowHiddenFrames to get lambda form internals on the stack traces

 #ENABLE_SHOW_HIDDEN_FRAMES_FLAGS=-XX:+ShowHiddenFrames

 # Add print optoassembly to get an asm dump. This requires 1) a debug build, not product,

 # That tired compilation is switched off, for C2 only output and that the number of

 # compiler threads is set to 1 for determinsm.

 #

 #PRINT_ASM_FLAGS=-XX:+PrintOptoAssembly -XX:-TieredCompilation -XX:CICompilerCount=1 \

 # Tier compile threasholds. Default value is 10. (1-100 is useful for experiments)

 #TIER_COMPILATION_THRESHOLD_FLAGS=-XX:IncreaseFirstTierCompileThresholdAt=10

 # Directory where to look for nashorn.jar in a dist folder. The default is "..", assuming

 # that we run the script from the make dir

 DIR=..

 NASHORN_JAR=$DIR/dist/nashorn.jar

 # The built Nashorn jar is placed first in the bootclasspath to override the JDK

 # nashorn.jar in $JAVA_HOME/jre/lib/ext. Thus, we also need -esa, as assertions in

 # nashorn count as system assertions in this configuration

 # Type profiling default level is 111, 222 adds some compile time, but is faster

 $JAVA_HOME/bin/java \

 $ENABLE_ASSERTIONS_FLAGS \

 $LAMBDAFORM_FLAGS \

 $TRUSTED_FLAGS \

 $USE_NEW_CODE_FLAGS \

 $ENABLE_SHOW_HIDDEN_FRAMES_FLAGS \

 $ENABLE_FLIGHT_RECORDER_FLAGS \

 $ENABLE_TYPE_SPECIALIZATION_FLAGS \

 $TIERED_COMPILATION_THRESOLD_FLAGS \

 $DISABLE_MATH_INTRINSICS_FLAGS \

 $PRINT_ASM_FLAGS \

 -Xbootclasspath/p:$NASHORN_JAR \

 -Xms2G -Xmx2G \

 -XX:TypeProfileLevel=222 \

 -cp $CLASSPATH:../build/test/classes/ \

 jdk.nashorn.tools.Shell $ENABLE_TIME_FLAGS ${@}