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[debugger] Provide async stack traces for all threads.

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Under a flag debugger.async.stack.trace.for.all.threads, getAgentRelatedStack returns async stack trace for any thread, not just for the current thread.

The new method com.intellij.rt.debugger.agent.CaptureStorage#getAllCapturedStacks introduced in the debugger-agent allows to obtain captured stack traces for all the threads.

GitOrigin-RevId: 5bb498afb6bb102ff0e8d3d8ced415d41a3e3e08
This commit is contained in:
Maria Sokolova
2025-06-26 12:17:07 +00:00
committed by intellij-monorepo-bot
parent 9d49a47f1d
commit edc35b8592
1 changed files with 12 additions and 9 deletions
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java/debugger/impl/src/com/intellij/debugger/engine/AsyncStacksUtils.java
+12 -9
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@@ -47,10 +47,7 @@ import java.io.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Properties;
import java.util.*;
public final class AsyncStacksUtils {
private static final Logger LOG = Logger.getInstance(AsyncStacksUtils.class);
@@ -74,15 +71,21 @@ public final class AsyncStacksUtils {
return DebuggerSettings.getInstance().INSTRUMENTING_AGENT;
}
/**
* Returns async stack trace captured by the debugger-agent for the thread corresponding to the given frame or null.
*
* If `debugger.async.stack.trace.for.all.threads` is true, returns captured async stack trace for any thread;
* otherwise only returns captured async stack trace for the current thread and null for other threads.
*/
public static @Nullable List<@Nullable StackFrameItem> getAgentRelatedStack(@NotNull StackFrameProxyImpl frame, @NotNull SuspendContextImpl suspendContext) {
if (!isAgentEnabled() || !frame.threadProxy().equals(suspendContext.getThread())) { // only for the current thread for now
if (!isAgentEnabled()) {
return null;
}
try {
Method method = DebuggerUtilsEx.getMethod(frame.location());
// TODO: use com.intellij.rt.debugger.agent.CaptureStorage.GENERATED_INSERT_METHOD_POSTFIX
if (method != null && method.name().endsWith("$$$capture")) {
return getProcessCapturedStack(new EvaluationContextImpl(suspendContext, frame));
return getCapturedStackForThread(new EvaluationContextImpl(suspendContext, suspendContext.getFrameProxy()), frame.threadProxy().getThreadReference());
}
}
catch (EvaluateException e) {
@@ -103,7 +106,7 @@ public final class AsyncStacksUtils {
private static final Key<Pair<ClassType, Method>> CAPTURE_STORAGE_METHOD = Key.create("CAPTURE_STORAGE_METHOD");
private static final Pair<ClassType, Method> NO_CAPTURE_AGENT = Pair.empty();
private static List<StackFrameItem> getProcessCapturedStack(EvaluationContextImpl evalContext)
private static List<StackFrameItem> getCapturedStackForThread(EvaluationContextImpl evalContext, ThreadReference threadReference)
throws EvaluateException {
EvaluationContextImpl evaluationContext = evalContext.withAutoLoadClasses(false);
@@ -119,7 +122,7 @@ public final class AsyncStacksUtils {
LOG.debug("Error loading debug agent", "agent class not found");
}
else {
methodPair = Pair.create(captureClass, DebuggerUtils.findMethod(captureClass, "getCurrentCapturedStack", null));
methodPair = Pair.create(captureClass, DebuggerUtils.findMethod(captureClass, "getCapturedStackForThread", null));
}
}
catch (EvaluateException e) {
@@ -133,8 +136,8 @@ public final class AsyncStacksUtils {
return null;
}
List<Value> args = Collections.singletonList(virtualMachineProxy.mirrorOf(getMaxStackLength()));
Pair<ClassType, Method> finalMethodPair = methodPair;
List<Value> args = Arrays.asList(evaluationContext.getVirtualMachineProxy().mirrorOf(getMaxStackLength()), threadReference);
String value = DebuggerUtils.getInstance().processCollectibleValue(
() -> process.invokeMethod(evaluationContext, finalMethodPair.first, finalMethodPair.second,
args, ObjectReference.INVOKE_SINGLE_THREADED, true),