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TESTING-legacy.md

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Testing OpenJDK+MMTk on the Momas

Last tested: OpenJDK@c76b64be MMTk@e02d62d6 2018-07-14 by Felix Friedlander

Environment and dependencies

GCC 7.3 should already be installed, but it will not be the default. When running configure, we will need to pass CC and CXX explicitly.

OpenJDK 8 is installed, but we want a newer boot JDK. Download OpenJDK 10 from java.net and extract it:

$ curl -O https://download.java.net/java/GA/jdk10/10.0.2/19aef61b38124481863b1413dce1855f/13/openjdk-10.0.2_linux-x64_bin.tar.gz
$ tar -xf openjdk-10.0.2_linux-x64_bin.tar.gz

An appropriate version of Rust should already be installed. You can check this using rustup:

$ rustup show

Building (debug)

<DEBUG_LEVEL> can be one of release, fastdebug, slowdebug and optimized.

cd openjdk
# Build MMTk
cd mmtk
cargo +nightly build
cd ..
# Build OpenJDK
bash configure --disable-warnings-as-errors --with-debug-level=<DEBUG_LEVEL>
CONF=linux-x86_64-normal-server-<DEBUG_LEVEL> make
# JDK is at `build/linux-x86_64-normal-server-<DEBUG_LEVEL>/jdk`

Building (release)

cd openjdk
# Build MMTk
cd mmtk
cargo +nightly build --release
cd ..
# Build OpenJDK
bash configure --disable-warnings-as-errors
CONF=linux-x86_64-normal-server-release make
# JDK is at `build/linux-x86_64-normal-server-release/jdk`

Testing

  1. java binary is at build/linux-x86_64-normal-server-<DEBUG_LEVEL>/jdk/bin/java.
  2. Set env LD_LIBRARY_PATH to include $PWD/mmtk/vmbindings/openjdk/target/debug (or $PWD/mmtk/vmbindings/openjdk/target/release if openjdk is built with debug level release).
  3. To enable MMTk, pass -XX:+UseMMTk -XX:-UseCompressedOops to java.

e.g.:

  • If DEBUG_LEVEL = fastdebug, slowdebug or optimized:
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PWD/mmtk/vmbindings/openjdk/target/debug
build/linux-x86_64-normal-server-fastdebug/jdk/bin/java -XX:+UseMMTk -XX:-UseCompressedOops HelloWorld
  • If DEBUG_LEVEL = release:
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PWD/mmtk/vmbindings/openjdk/target/release
build/linux-x86_64-normal-server-release/jdk/bin/java -XX:+UseMMTk -XX:-UseCompressedOops HelloWorld

Original instructions by Abdullah Al Mamun and Tanveer Hannan

Updated Sep 2018 by Felix Friedlander

Updated Feb 2020 by Wenyu Zhao