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Allow profiling of workers with async-profiler #11868

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18 changes: 18 additions & 0 deletions build.gradle.kts
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,24 @@ allprojects {
}
}

System.getProperty("datadog.forkedAsyncProfiler")?.let { raw ->
val options = if (raw.isBlank() || raw == "true") "all" else raw.removePrefix("start,")
val lib =
System.getProperty("datadog.forkedAsyncProfilerLib", "/opt/homebrew/lib/libasyncProfiler.dylib")
val libFile = file(lib)
if (!libFile.exists()) {
logger.warn("async-profiler library not found at: $lib")
logger.warn("To install async-profiler on macOS, run: 'brew install async-profiler'")
logger.warn("Skipping async-profiler configuration for tests")
} else {
val outDir = System.getProperty("datadog.forkedAsyncProfilerDir", "/tmp")
tasks.withType<Test>().configureEach {
// %p keeps one recording per worker JVM (maxParallelForks / forkEvery may spawn several).
jvmArgs("-agentpath:$lib=start,$options,file=$outDir/async-${project.name}-%p.jfr")
}
}
}

// Disable CDS to avoid SIGSEGVs on Linux arm64.
if (isLinuxArm64) {
tasks.withType<JavaCompile>().configureEach {
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