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1 #!/bin/sh |
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2 # |
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3 # Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. |
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4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 # |
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6 # This code is free software; you can redistribute it and/or modify it |
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7 # under the terms of the GNU General Public License version 2 only, as |
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8 # published by the Free Software Foundation. |
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9 # |
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10 # This code is distributed in the hope that it will be useful, but WITHOUT |
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 # version 2 for more details (a copy is included in the LICENSE file that |
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14 # accompanied this code). |
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15 # |
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16 # You should have received a copy of the GNU General Public License version |
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17 # 2 along with this work; if not, write to the Free Software Foundation, |
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18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 # |
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20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 # or visit www.oracle.com if you need additional information or have any |
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22 # questions. |
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23 # |
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24 |
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25 ########################################################################################### |
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26 # This is a helper script to evaluate nashorn with optimistic types |
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27 # it produces a flight recording for every run, and uses the best |
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28 # known flags for performance for the current configration |
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29 ########################################################################################### |
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30 |
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31 # Flags to enable assertions, we need the system assertions too, since |
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32 # this script runs Nashorn in the BCP to override any nashorn.jar that might |
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33 # reside in your $JAVA_HOME/jre/lib/ext/nashorn.jar |
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34 # |
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35 ENABLE_ASSERTIONS_FLAGS="-ea -esa" |
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36 |
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37 # Flags to instrument lambdaform computation, caching, interpretation and compilation |
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38 # Default compile threshold for lambdaforms is 30 |
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39 # |
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40 #LAMBDAFORM_FLAGS="\ |
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41 # -Djava.lang.invoke.MethodHandle.COMPILE_THRESHOLD=3 \ |
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42 # -Djava.lang.invoke.MethodHandle.DUMP_CLASS_FILES=true \ |
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43 # -Djava.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE=true \ |
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44 # -Djava.lang.invoke.MethodHandle.TRACE_INTERPRETER=true" |
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45 |
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46 # Flags to run trusted tests from the Nashorn test suite |
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47 # |
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48 #TRUSTED_TEST_FLAGS="\ |
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49 #-Djava.security.manager \ |
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50 #-Djava.security.policy=../build/nashorn.policy -Dnashorn.debug" |
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51 |
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52 # Testing out new code optimizations using the generic hotspot "new code" parameter |
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53 # |
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54 #USE_NEW_CODE_FLAGS=-XX:+UnlockDiagnosticVMOptions -XX:+UseNewCode |
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55 |
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56 # |
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57 #-Dnashorn.typeInfo.disabled=false \ |
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58 # and for Nashorn options: |
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59 # --class-cache-size=0 --persistent-code-cache=false |
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60 |
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61 # Unique timestamped file name for JFR recordings. For JFR, we also have to |
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62 # crank up the stack cutoff depth to 1024, because of ridiculously long lambda form |
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63 # stack traces. |
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64 # |
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65 # It is also recommended that you go into $JAVA_HOME/jre/lib/jfr/default.jfc and |
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66 # set the "method-sampling-interval" Normal and Maximum sample time as low as you |
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67 # can go (10 ms on most platforms). The default is normally higher. The increased |
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68 # sampling overhead is usually negligible for Nashorn runs, but the data is better |
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69 |
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70 if [ -z $JFR_FILENAME ]; then |
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71 JFR_FILENAME="./nashorn_$(date|sed "s/ /_/g"|sed "s/:/_/g").jfr" |
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72 fi |
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73 |
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74 # Flight recorder |
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75 # |
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76 # see above - already in place, copy the flags down here to disable |
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77 ENABLE_FLIGHT_RECORDER_FLAGS="\ |
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78 -XX:+UnlockCommercialFeatures \ |
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79 -XX:+FlightRecorder \ |
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80 -XX:FlightRecorderOptions=defaultrecording=true,disk=true,dumponexit=true,dumponexitpath=$JFR_FILENAME,stackdepth=1024" |
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81 |
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82 # Type specialization and math intrinsic replacement should be enabled by default in 8u20 and nine, |
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83 # keeping this flag around for experimental reasons. Replace + with - to switch it off |
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84 # |
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85 #ENABLE_TYPE_SPECIALIZATION_FLAGS=-XX:+UseTypeSpeculation |
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86 |
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87 # Same with math intrinsics. They should be enabled by default in 8u20 and 9, so |
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88 # this disables them if needed |
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89 # |
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90 #DISABLE_MATH_INTRINSICS_FLAGS=-XX:-UseMathExactIntrinsics |
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91 |
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92 # Add timing to time the compilation phases. |
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93 #ENABLE_TIME_FLAGS=--log=time |
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94 |
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95 # Add ShowHiddenFrames to get lambda form internals on the stack traces |
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96 #ENABLE_SHOW_HIDDEN_FRAMES_FLAGS=-XX:+ShowHiddenFrames |
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97 |
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98 # Add print optoassembly to get an asm dump. This requires 1) a debug build, not product, |
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99 # That tired compilation is switched off, for C2 only output and that the number of |
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100 # compiler threads is set to 1 for determinsm. |
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101 # |
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102 #PRINT_ASM_FLAGS=-XX:+PrintOptoAssembly -XX:-TieredCompilation -XX:CICompilerCount=1 \ |
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103 |
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104 # Tier compile threasholds. Default value is 10. (1-100 is useful for experiments) |
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105 #TIER_COMPILATION_THRESHOLD_FLAGS=-XX:IncreaseFirstTierCompileThresholdAt=10 |
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106 |
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107 # Directory where to look for nashorn.jar in a dist folder. The default is "..", assuming |
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108 # that we run the script from the make dir |
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109 DIR=.. |
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110 NASHORN_JAR=$DIR/dist/nashorn.jar |
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111 |
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112 |
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113 # The built Nashorn jar is placed first in the bootclasspath to override the JDK |
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114 # nashorn.jar in $JAVA_HOME/jre/lib/ext. Thus, we also need -esa, as assertions in |
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115 # nashorn count as system assertions in this configuration |
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116 |
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117 # Type profiling default level is 111, 222 adds some compile time, but is faster |
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118 |
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119 $JAVA_HOME/bin/java \ |
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120 $ENABLE_ASSERTIONS_FLAGS \ |
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121 $LAMBDAFORM_FLAGS \ |
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122 $TRUSTED_FLAGS \ |
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123 $USE_NEW_CODE_FLAGS \ |
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124 $ENABLE_SHOW_HIDDEN_FRAMES_FLAGS \ |
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125 $ENABLE_FLIGHT_RECORDER_FLAGS \ |
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126 $ENABLE_TYPE_SPECIALIZATION_FLAGS \ |
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127 $TIERED_COMPILATION_THRESOLD_FLAGS \ |
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128 $DISABLE_MATH_INTRINSICS_FLAGS \ |
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129 $PRINT_ASM_FLAGS \ |
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130 -Xbootclasspath/p:$NASHORN_JAR \ |
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131 -Xms2G -Xmx2G \ |
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132 -XX:TypeProfileLevel=222 \ |
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133 -cp $CLASSPATH:../build/test/classes/ \ |
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134 jdk.nashorn.tools.Shell $ENABLE_TIME_FLAGS ${@} |
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135 |
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136 |