Thu, 28 Jan 2016 12:39:39 -0800
Added tag jdk8u74-b01 for changeset ae6c74c1197a
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 #
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 ###########################################################################################
31 # Flags to enable assertions, we need the system assertions too, since
32 # this script runs Nashorn in the BCP to override any nashorn.jar that might
33 # reside in your $JAVA_HOME/jre/lib/ext/nashorn.jar
34 #
35 ENABLE_ASSERTIONS_FLAGS="-ea -esa"
37 # Flags to instrument lambdaform computation, caching, interpretation and compilation
38 # Default compile threshold for lambdaforms is 30
39 #
40 #LAMBDAFORM_FLAGS="\
41 # -Djava.lang.invoke.MethodHandle.COMPILE_THRESHOLD=3 \
42 # -Djava.lang.invoke.MethodHandle.DUMP_CLASS_FILES=true \
43 # -Djava.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE=true \
44 # -Djava.lang.invoke.MethodHandle.TRACE_INTERPRETER=true"
46 # Flags to run trusted tests from the Nashorn test suite
47 #
48 #TRUSTED_TEST_FLAGS="\
49 #-Djava.security.manager \
50 #-Djava.security.policy=../build/nashorn.policy -Dnashorn.debug"
52 # Testing out new code optimizations using the generic hotspot "new code" parameter
53 #
54 #USE_NEW_CODE_FLAGS=-XX:+UnlockDiagnosticVMOptions -XX:+UseNewCode
56 #
57 #-Dnashorn.typeInfo.disabled=false \
58 # and for Nashorn options:
59 # --class-cache-size=0 --persistent-code-cache=false
61 # Unique timestamped file name for JFR recordings. For JFR, we also have to
62 # crank up the stack cutoff depth to 1024, because of ridiculously long lambda form
63 # stack traces.
64 #
65 # It is also recommended that you go into $JAVA_HOME/jre/lib/jfr/default.jfc and
66 # set the "method-sampling-interval" Normal and Maximum sample time as low as you
67 # can go (10 ms on most platforms). The default is normally higher. The increased
68 # sampling overhead is usually negligible for Nashorn runs, but the data is better
70 if [ -z $JFR_FILENAME ]; then
71 JFR_FILENAME="./nashorn_$(date|sed "s/ /_/g"|sed "s/:/_/g").jfr"
72 fi
74 # Flight recorder
75 #
76 # see above - already in place, copy the flags down here to disable
77 ENABLE_FLIGHT_RECORDER_FLAGS="\
78 -XX:+UnlockCommercialFeatures \
79 -XX:+FlightRecorder \
80 -XX:FlightRecorderOptions=defaultrecording=true,disk=true,dumponexit=true,dumponexitpath=$JFR_FILENAME,stackdepth=1024"
82 # Type specialization and math intrinsic replacement should be enabled by default in 8u20 and nine,
83 # keeping this flag around for experimental reasons. Replace + with - to switch it off
84 #
85 #ENABLE_TYPE_SPECIALIZATION_FLAGS=-XX:+UseTypeSpeculation
87 # Same with math intrinsics. They should be enabled by default in 8u20 and 9, so
88 # this disables them if needed
89 #
90 #DISABLE_MATH_INTRINSICS_FLAGS=-XX:-UseMathExactIntrinsics
92 # Add timing to time the compilation phases.
93 #ENABLE_TIME_FLAGS=--log=time
95 # Add ShowHiddenFrames to get lambda form internals on the stack traces
96 #ENABLE_SHOW_HIDDEN_FRAMES_FLAGS=-XX:+ShowHiddenFrames
98 # Add print optoassembly to get an asm dump. This requires 1) a debug build, not product,
99 # That tired compilation is switched off, for C2 only output and that the number of
100 # compiler threads is set to 1 for determinsm.
101 #
102 #PRINT_ASM_FLAGS=-XX:+PrintOptoAssembly -XX:-TieredCompilation -XX:CICompilerCount=1 \
104 # Tier compile threasholds. Default value is 10. (1-100 is useful for experiments)
105 #TIER_COMPILATION_THRESHOLD_FLAGS=-XX:IncreaseFirstTierCompileThresholdAt=10
107 # Directory where to look for nashorn.jar in a dist folder. The default is "..", assuming
108 # that we run the script from the make dir
109 DIR=..
110 NASHORN_JAR=$DIR/dist/nashorn.jar
113 # The built Nashorn jar is placed first in the bootclasspath to override the JDK
114 # nashorn.jar in $JAVA_HOME/jre/lib/ext. Thus, we also need -esa, as assertions in
115 # nashorn count as system assertions in this configuration
117 # Type profiling default level is 111, 222 adds some compile time, but is faster
119 $JAVA_HOME/bin/java \
120 $ENABLE_ASSERTIONS_FLAGS \
121 $LAMBDAFORM_FLAGS \
122 $TRUSTED_FLAGS \
123 $USE_NEW_CODE_FLAGS \
124 $ENABLE_SHOW_HIDDEN_FRAMES_FLAGS \
125 $ENABLE_FLIGHT_RECORDER_FLAGS \
126 $ENABLE_TYPE_SPECIALIZATION_FLAGS \
127 $TIERED_COMPILATION_THRESOLD_FLAGS \
128 $DISABLE_MATH_INTRINSICS_FLAGS \
129 $PRINT_ASM_FLAGS \
130 -Xbootclasspath/p:$NASHORN_JAR \
131 -Xms2G -Xmx2G \
132 -XX:TypeProfileLevel=222 \
133 -cp $CLASSPATH:../build/test/classes/ \
134 jdk.nashorn.tools.Shell $ENABLE_TIME_FLAGS ${@}