1 #!/bin/sh

     2 #

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

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

     5 # 

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

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

     8 # published by the Free Software Foundation.

     9 # 

    10 # This code is distributed in the hope that it will be useful, but WITHOUT

    11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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

    14 # accompanied this code).

    15 # 

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

    17 # 2 along with this work; if not, write to the Free Software Foundation,

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

    19 # 

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

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

    22 # questions.

    23 #

    24 

    25 ###########################################################################################

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

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

    28 # known flags for performance for the current configration

    29 ###########################################################################################

    30 

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

    32 # Default compile threshold for lambdaforms is 30

    33 #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"

    34 

    35 

    36 # Flags to run trusted tests from the Nashorn test suite

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

    38 

    39 

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

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

    42 # stack traces.

    43 #

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

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

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

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

    48 

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

    50 

    51 

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

    53 # that we run the script from the make dir

    54 DIR=..

    55 NASHORN_JAR=$DIR/dist/nashorn.jar

    56 

    57 

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

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

    60 # nashorn count as system assertions in this configuration

    61 

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

    63 

    64 $JAVA_HOME/bin/java \

    65 $FLAGS \

    66 -ea \

    67 -esa \

    68 -Xbootclasspath/p:$NASHORN_JAR \

    69 -Xms2G -Xmx2G \

    70 -XX:TypeProfileLevel=222 \

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

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

    73 

    74 # Below are flags that may come in handy, but aren't used for default runs

    75 

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

    77 #-XX:+UnlockDiagnosticVMOptions \

    78 #-XX:+UseNewCode \

    79 

    80 # Flight recorder

    81 #-XX:+UnlockCommercialFeatures \

    82 #-XX:+FlightRecorder \

    83 #-XX:FlightRecorderOptions=defaultrecording=true,disk=true,dumponexit=true,dumponexitpath=$JFR_FILENAME,stackdepth=1024 \

    84 

    85 

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

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

    88 #-XX:+UseTypeSpeculation \

    89 

    90 

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

    92 #-XX:+UseMathExactIntrinsics \

    93 

    94 

    95 # Add -Dnashorn.time to time the compilation phases.

    96 #-Dnashorn.time \

    97 

    98 

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

   100 #-XX:+ShowHiddenFrames \

   101 

   102 

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

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

   105 # compiler threads is set to 1 for determinsm.

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

   107 

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

   109 # -XX:IncreaseFirstTierCompileThresholdAt=XX

   110