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Support async-profiler 3.0, fix #20 
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‎README.md‎

Lines changed: 20 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -4,7 +4,11 @@ Loader for AsyncProfiler
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[![Maven Central](https://img.shields.io/maven-central/v/me.bechberger/ap-loader-all)](https://search.maven.org/search?q=ap-loader) [![GitHub](https://img.shields.io/github/license/jvm-profiling-tools/ap-loader)](https://github.com/jvm-profiling-tools/ap-loader/blob/main/LICENSE)
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Packages [async-profiler](https://github.com/jvm-profiling-tools/async-profiler) releases in a JAR
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with an `AsyncProfilerLoader` (version 2.* and 1.8.*) that loads the suitable native library for the current platform.
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with an `AsyncProfilerLoader` (version 3.*, 2.* and 1.8.*)
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that loads the suitable native library for the current platform.
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*In 3.* it also includes the latest [jattach](https://github.com/apangin/jattach) binary. This was previously
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part of async-profiler.*
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This is usable as a Java agent (same arguments as the async-profiler agent) and as the basis for other libraries.
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The real rationale behind this library is that the async-profiler is a nice tool, but it cannot be easily integrated
@@ -46,11 +50,11 @@ from maven central, e.g:
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<dependency>
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<groupId>me.bechberger</groupId>
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<artifactId>ap-loader-all</artifactId>
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<version>2.9-7</version>
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<version>3.0-8</version>
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</dependency>
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```
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Others are of course available, see [maven central](https://central.sonatype.com/artifact/me.bechberger/ap-loader-all/2.9-7).
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Others are of course available, see [maven central](https://central.sonatype.com/artifact/me.bechberger/ap-loader-all/3.0-8).
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You can also use [JBang](https://jbang.dev) to simplify the usage of ap-loader. There are examples in documentation below.
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@@ -230,7 +234,7 @@ The latest `all` version can be added via:
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<dependency>
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<groupId>me.bechberger</groupId>
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<artifactId>ap-loader-all</artifactId>
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<version>2.9-7</version>
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<version>3.0-8</version>
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</dependency>
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```
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@@ -244,16 +248,16 @@ It requires a platform supported by async-profiler and Python 3.6+.
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```sh
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# download the release sources and binaries
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python3 ./bin/releaser.py download 2.9
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python3 ./bin/releaser.py download 3.0
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# build the JAR for the release
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# maven might throw warnings, related to the project version setting,
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# but the alternative solutions don't work, so we ignore the warning for now
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mvn -Dproject.vversion=2.9 -Dproject.subrelease=7 -Dproject.platform=macos package assembly:single
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mvn -Dproject.vversion=3.0 -Dproject.subrelease=7 -Dproject.platform=macos package assembly:single
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# use it
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java -jar target/ap-loader-macos-2.9-7-full.jar ...
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java -jar target/ap-loader-macos-3.0-8-full.jar ...
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# build the all JAR
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mvn -Dproject.vversion=2.9 -Dproject.subrelease=7 -Dproject.platform=all package assembly:single
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mvn -Dproject.vversion=3.0 -Dproject.subrelease=7 -Dproject.platform=all package assembly:single
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```
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Development
@@ -298,6 +302,14 @@ And the following for a new async-profiler release:
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Changelog
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---------
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### v8
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- Support for [async-profiler 3.0](https://github.com/async-profiler/async-profiler/releases/tag/v3.0)
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- Breaking changes with async-profiler 3.0:
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- async-profiler 3.0 changed the meaning of the `--lib` option from `--lib path full path to libasyncProfiler.so in the container`
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to `-l, --lib prepend library names`, so the `AsyncProfilerLoader` will throw an UnsupportedOperation exception
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when using the `--lib` option with a path argument and async-profiler 3.0 or higher
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### v7
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- Drop dev.dirs:directories dependency #13 (thanks to @jsjant for spotting the potential licensing issue and fixing it in #14)

‎bin/copy_all_libs.sh‎

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Original file line numberDiff line numberDiff line change
@@ -18,19 +18,5 @@ for f in ap-releases/async-profiler-$version-*; do
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# extract the platform suffix
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platform=$(echo "$f" | cut -d '-' -f 5-10)
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# copy the library
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echo "Copying $f/build/libasyncProfiler.so for platform $platform"
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cp "$f/build/libasyncProfiler.so" "target/classes/libs/libasyncProfiler-$version-$platform.so"
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echo "Copying $f/build/jattach for platform $platform"
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cp "$f/build/jattach" "target/classes/libs/jattach-$version-$platform"
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done
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first_folder=$(echo ap-releases/async-profiler-$version-linux* | cut -d " " -f 1)
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# copy the profile.sh
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echo "Copy $first_folder/profiler.sh"
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cp "$first_folder/profiler.sh" "target/classes/libs/profiler-$version.sh"
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python3 "$OWN_DIR/profile_processor.py" "target/classes/libs/profiler-$version.sh"
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python3 "$OWN_DIR/timestamp.py" > "target/classes/libs/ap-timestamp-$version"
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echo "$version" > target/classes/libs/ap-version
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echo "Copy Java sources"
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python3 "$OWN_DIR/copy_java_sources.py" "$BASEDIR" "$VERSION_PLATFORM"
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$OWN_DIR/copy_libs.sh "$1" "$version-$platform" no-clean
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done

‎bin/copy_libs.sh‎

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
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#! /bin/sh
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# ./copy_libs.sh <base_dir> <artifact version, like 2.8.3-macos>
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# ./copy_libs.sh <base_dir> <artifact version, like 2.8.3-macos> [no-clean]
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set -e
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@@ -11,20 +11,65 @@ OWN_DIR=$(dirname "$0")
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cd "$BASEDIR" || exit 1
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version=$(echo "$2" | cut -d '-' -f 1)
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rm -fr target/classes/libs
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major_version=$(echo "$version" | cut -d '.' -f 1)
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minor_version=$(echo "$version" | cut -d '.' -f 2)
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if [ -z "$3" ]; then
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rm -fr target/classes/libs
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fi
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mkdir -p target/classes/libs
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cp "$AP_RELEASE/build/libasyncProfiler.so" \
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"target/classes/libs/libasyncProfiler-$VERSION_PLATFORM.so"
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cp "$AP_RELEASE/build/jattach" \
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"target/classes/libs/jattach-$VERSION_PLATFORM"
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python3 "$OWN_DIR/timestamp.py" > "target/classes/libs/ap-timestamp-$version"
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echo "$version" > target/classes/libs/ap-version
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# if version is smaller than 2.10:
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if ([ "$major_version" -le 2 ] && [ "$minor_version" -lt 10 ]); then
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echo "Copy $AP_RELEASE/build/libasyncProfiler.so"
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cp "$AP_RELEASE/build/libasyncProfiler.so" \
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"target/classes/libs/libasyncProfiler-$VERSION_PLATFORM.so"
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cp "$AP_RELEASE/build/jattach" \
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"target/classes/libs/jattach-$VERSION_PLATFORM"
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echo "Copy $AP_RELEASE/profiler.sh"
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cp "$AP_RELEASE/profiler.sh" "target/classes/libs/profiler-$version.sh"
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python3 "$OWN_DIR/profile_processor.py" "target/classes/libs/profiler-$version.sh"
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cp "$AP_RELEASE/build/libasyncProfiler.so" \
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"target/classes/libs/libasyncProfiler-$VERSION_PLATFORM.so"
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echo "Copy Java sources"
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python3 "$OWN_DIR/copy_java_sources.py" "$BASEDIR" "$VERSION_PLATFORM"
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echo "libasyncProfiler-$VERSION_PLATFORM.so" > target/classes/libs/ap-profile-lib-$VERSION_PLATFORM
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cp "$AP_RELEASE/build/jattach" \
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"target/classes/libs/jattach-$VERSION_PLATFORM"
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python3 "$OWN_DIR/timestamp.py" > "target/classes/libs/ap-timestamp-$version"
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echo "$version" > target/classes/libs/ap-version
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echo "Copy $AP_RELEASE/profiler.sh"
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cp "$AP_RELEASE/profiler.sh" "target/classes/libs/profiler-$version.sh"
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python3 "$OWN_DIR/profile_processor.py" "target/classes/libs/profiler-$version.sh"
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echo "profiler-$version.sh" > target/classes/libs/ap-profile-script-$VERSION_PLATFORM
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echo "Copy Java sources"
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python3 "$OWN_DIR/copy_java_sources.py" "$BASEDIR" "$VERSION_PLATFORM"
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else
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# test endings ".so" and ".dylib" in a loop
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for ending in "so" "dylib"; do
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# if the file exists, copy it
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if [ -f "$AP_RELEASE/lib/libasyncProfiler.$ending" ]; then
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echo "Copy $AP_RELEASE/lib/libasyncProfiler.$ending"
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cp "$AP_RELEASE/lib/libasyncProfiler.$ending" \
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"target/classes/libs/libasyncProfiler-$VERSION_PLATFORM.$ending"
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echo "libasyncProfiler-$VERSION_PLATFORM.$ending" > target/classes/libs/ap-profile-lib-$VERSION_PLATFORM
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fi
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done
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cp "$AP_RELEASE/build/jattach" \
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"target/classes/libs/jattach-$VERSION_PLATFORM"
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python3 "$OWN_DIR/timestamp.py" > "target/classes/libs/ap-timestamp-$version"
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echo "$version" > target/classes/libs/ap-version
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echo "Copy $AP_RELEASE/bin/asprof"
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cp "$AP_RELEASE/bin/asprof" "target/classes/libs/asprof-$VERSION_PLATFORM"
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echo "asprof-$VERSION_PLATFORM" > target/classes/libs/ap-profile-script-$VERSION_PLATFORM
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echo "Copy Java sources"
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python3 "$OWN_DIR/copy_java_sources.py" "$BASEDIR" "$VERSION_PLATFORM"
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fi

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