attila@963: #!/bin/sh
attila@963: #
attila@963: # Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
attila@963: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@963: # 
attila@963: # This code is free software; you can redistribute it and/or modify it
attila@963: # under the terms of the GNU General Public License version 2 only, as
attila@963: # published by the Free Software Foundation.
attila@963: # 
attila@963: # This code is distributed in the hope that it will be useful, but WITHOUT
attila@963: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
attila@963: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
attila@963: # version 2 for more details (a copy is included in the LICENSE file that
attila@963: # accompanied this code).
attila@963: # 
attila@963: # You should have received a copy of the GNU General Public License version
attila@963: # 2 along with this work; if not, write to the Free Software Foundation,
attila@963: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@963: # 
attila@963: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
attila@963: # or visit www.oracle.com if you need additional information or have any
attila@963: # questions.
attila@963: #
attila@963: 
attila@963: ###########################################################################################
attila@963: # This is a helper script to evaluate nashorn with optimistic types
attila@963: # it produces a flight recording for every run, and uses the best 
attila@963: # known flags for performance for the current configration
attila@963: ###########################################################################################
attila@963: 
attila@963: # Flags to instrument lambdaform computation, caching, interpretation and compilation
attila@963: # Default compile threshold for lambdaforms is 30
attila@963: #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"
attila@963: 
attila@963: 
attila@963: # Flags to run trusted tests from the Nashorn test suite
attila@963: #FLAGS="-Djava.security.manager -Djava.security.policy=../build/nashorn.policy -Dnashorn.debug"
attila@963: 
attila@963: 
attila@963: # Unique timestamped file name for JFR recordings. For JFR, we also have to
attila@963: # crank up the stack cutoff depth to 1024, because of ridiculously long lambda form
attila@963: # stack traces.
attila@963: #
attila@963: # It is also recommended that you go into $JAVA_HOME/jre/lib/jfr/default.jfc and
attila@963: # set the "method-sampling-interval" Normal and Maximum sample time as low as you
attila@963: # can go (10 ms on most platforms). The default is normally higher. The increased
attila@963: # sampling overhead is usually negligible for Nashorn runs, but the data is better
attila@963: 
attila@963: JFR_FILENAME="./nashorn_$(date|sed "s/ /_/g"|sed "s/:/_/g").jfr"
attila@963: 
attila@963: 
attila@963: # Directory where to look for nashorn.jar in a dist folder. The default is "..", assuming
attila@963: # that we run the script from the make dir
attila@963: DIR=..
attila@963: NASHORN_JAR=$DIR/dist/nashorn.jar
attila@963: 
attila@963: 
attila@963: # The built Nashorn jar is placed first in the bootclasspath to override the JDK
attila@963: # nashorn.jar in $JAVA_HOME/jre/lib/ext. Thus, we also need -esa, as assertions in
attila@963: # nashorn count as system assertions in this configuration
attila@963: 
attila@963: $JAVA_HOME/bin/java \
attila@963: $FLAGS \
attila@963: -ea \
attila@963: -esa \
attila@963: -Xbootclasspath/p:$NASHORN_JAR \
attila@963: -Xms2G -Xmx2G \
attila@963: -cp $CLASSPATH:../build/test/classes/ \
attila@963: jdk.nashorn.tools.Shell ${@}
attila@963: 
attila@963: # Below are flags that may come in handy, but aren't used for default runs
attila@963: 
attila@963: 
attila@963: # Type profiling default level is 111, 222 adds some compile time, but produces better code.
attila@963: # -XX:TypeProfileLevel=222 \
attila@963: 
attila@963: 
attila@963: # Testing out new code optimizations using the generic hotspot "new code" parameter
attila@963: #-XX:+UnlockDiagnosticVMOptions \
attila@963: #-XX:+UseNewCode \
attila@963: 
attila@963: 
attila@963: # Type specialization and math intrinsic replacement should be enabled by default in 8u20 and nine,
attila@963: # keeping this flag around for experimental reasons. Replace + with - to switch it off
attila@963: #-XX:+UseTypeSpeculation \
attila@963: 
attila@963: 
attila@963: # Same with math intrinsics. They should be enabled by default in 8u20 and 9
attila@963: #-XX:+UseMathExactIntrinsics \
attila@963: 
attila@963: 
attila@963: # Add -Dnashorn.time to time the compilation phases.
attila@963: #-Dnashorn.time \
attila@963: 
attila@963: 
attila@963: # Add ShowHiddenFrames to get lambda form internals on the stack traces
attila@963: #-XX:+ShowHiddenFrames \
attila@963: 
attila@963: 
attila@963: # Add print optoassembly to get an asm dump. This requires 1) a debug build, not product,
attila@963: # That tired compilation is switched off, for C2 only output and that the number of
attila@963: # compiler threads is set to 1 for determinsm.
attila@963: #-XX:+PrintOptoAssembly -XX:-TieredCompilation -XX:CICompilerCount=1 \
attila@963: 
attila@963: # Tier compile threasholds. Default value is 10. (1-100 is useful for experiments)
attila@963: # -XX:IncreaseFirstTierCompileThresholdAt=XX
attila@963: