136 lines
5.3 KiB
Bash
136 lines
5.3 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2010, 2018, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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###########################################################################################
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# This is a helper script to evaluate nashorn with optimistic types
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# it produces a flight recording for every run, and uses the best
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# known flags for performance for the current configration
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###########################################################################################
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# Flags to enable assertions, we need the system assertions too, since
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# this script runs Nashorn in the BCP to override any nashorn.jar that might
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# reside in your $JAVA_HOME/jre/lib/ext/nashorn.jar
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#
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ENABLE_ASSERTIONS_FLAGS="-ea -esa"
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# Flags to instrument lambdaform computation, caching, interpretation and compilation
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# Default compile threshold for lambdaforms is 30
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#
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#LAMBDAFORM_FLAGS="\
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# -Djava.lang.invoke.MethodHandle.COMPILE_THRESHOLD=3 \
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# -Djava.lang.invoke.MethodHandle.DUMP_CLASS_FILES=true \
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# -Djava.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE=true \
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# -Djava.lang.invoke.MethodHandle.TRACE_INTERPRETER=true"
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# Flags to run trusted tests from the Nashorn test suite
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#
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#TRUSTED_TEST_FLAGS="\
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#-Djava.security.manager \
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#-Djava.security.policy=../build/nashorn.policy -Dnashorn.debug"
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# Testing out new code optimizations using the generic hotspot "new code" parameter
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#
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#USE_NEW_CODE_FLAGS=-XX:+UnlockDiagnosticVMOptions -XX:+UseNewCode
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#
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#-Dnashorn.typeInfo.disabled=false \
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# and for Nashorn options:
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# --class-cache-size=0 --persistent-code-cache=false
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# Unique timestamped file name for JFR recordings. For JFR, we also have to
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# crank up the stack cutoff depth to 1024, because of ridiculously long lambda form
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# stack traces.
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#
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# It is also recommended that you go into $JAVA_HOME/jre/lib/jfr/default.jfc and
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# set the "method-sampling-interval" Normal and Maximum sample time as low as you
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# can go (10 ms on most platforms). The default is normally higher. The increased
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# sampling overhead is usually negligible for Nashorn runs, but the data is better
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if [ -z $JFR_FILENAME ]; then
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JFR_FILENAME="./nashorn_$(date|sed "s/ /_/g"|sed "s/:/_/g").jfr"
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fi
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# Flight recorder
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#
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# see above - already in place, copy the flags down here to disable
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ENABLE_FLIGHT_RECORDER_FLAGS="\
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-XX:+FlightRecorder \
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-XX:FlightRecorderOptions=defaultrecording=true,disk=true,dumponexit=true,dumponexitpath=$JFR_FILENAME,stackdepth=1024"
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# Type specialization and math intrinsic replacement should be enabled by default in 8u20 and nine,
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# keeping this flag around for experimental reasons. Replace + with - to switch it off
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#
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#ENABLE_TYPE_SPECIALIZATION_FLAGS=-XX:+UseTypeSpeculation
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# Same with math intrinsics. They should be enabled by default in 8u20 and 9, so
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# this disables them if needed
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#
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#DISABLE_MATH_INTRINSICS_FLAGS=-XX:-UseMathExactIntrinsics
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# Add timing to time the compilation phases.
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#ENABLE_TIME_FLAGS=--log=time
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# Add ShowHiddenFrames to get lambda form internals on the stack traces
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#ENABLE_SHOW_HIDDEN_FRAMES_FLAGS=-XX:+ShowHiddenFrames
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# Add print optoassembly to get an asm dump. This requires 1) a debug build, not product,
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# That tired compilation is switched off, for C2 only output and that the number of
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# compiler threads is set to 1 for determinsm.
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#
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#PRINT_ASM_FLAGS=-XX:+PrintOptoAssembly -XX:-TieredCompilation -XX:CICompilerCount=1 \
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# Tier compile threasholds. Default value is 10. (1-100 is useful for experiments)
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#TIER_COMPILATION_THRESHOLD_FLAGS=-XX:IncreaseFirstTierCompileThresholdAt=10
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# Directory where to look for nashorn.jar in a dist folder. The default is "..", assuming
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# that we run the script from the make dir
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DIR=..
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NASHORN_JAR=$DIR/dist/nashorn.jar
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# The built Nashorn jar is placed first in the bootclasspath to override the JDK
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# nashorn.jar in $JAVA_HOME/jre/lib/ext. Thus, we also need -esa, as assertions in
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# nashorn count as system assertions in this configuration
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# Type profiling default level is 111, 222 adds some compile time, but is faster
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$JAVA_HOME/bin/java \
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$ENABLE_ASSERTIONS_FLAGS \
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$LAMBDAFORM_FLAGS \
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$TRUSTED_FLAGS \
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$USE_NEW_CODE_FLAGS \
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$ENABLE_SHOW_HIDDEN_FRAMES_FLAGS \
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$ENABLE_FLIGHT_RECORDER_FLAGS \
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$ENABLE_TYPE_SPECIALIZATION_FLAGS \
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$TIERED_COMPILATION_THRESOLD_FLAGS \
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$DISABLE_MATH_INTRINSICS_FLAGS \
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$PRINT_ASM_FLAGS \
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-Xbootclasspath/p:$NASHORN_JAR \
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-Xms2G -Xmx2G \
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-XX:TypeProfileLevel=222 \
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-cp $CLASSPATH:../build/test/classes/ \
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jdk.nashorn.tools.Shell $ENABLE_TIME_FLAGS ${@}
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