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batch get first frames to speedup data fetching

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GitOrigin-RevId: 88fa62352f383b7e2f530c554180fa59af51dfe9
This commit is contained in:
Egor Ushakov
2019-07-26 15:02:42 +03:00
committed by intellij-monorepo-bot
parent 68d34d32a7
commit 5de95b5b25
1 changed files with 11 additions and 2 deletions
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java/debugger/impl/src/com/intellij/debugger/jdi/StackFrameProxyImpl.java
+11 -2
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@@ -1,4 +1,4 @@
// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
// Copyright 2000-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
/*
* @author Eugene Zhuravlev
@@ -27,6 +27,7 @@ import java.util.Map;
public class StackFrameProxyImpl extends JdiProxy implements StackFrameProxy {
private static final Logger LOG = Logger.getInstance("#com.intellij.debugger.jdi.StackFrameProxyImpl");
private static final int FRAMES_BATCH_MAX = 10;
private final ThreadReferenceProxyImpl myThreadProxy;
private final int myFrameFromBottomIndex; // 1-based
@@ -117,7 +118,15 @@ public class StackFrameProxyImpl extends JdiProxy implements StackFrameProxy {
if (myStackFrame == null) {
try {
final ThreadReference threadRef = myThreadProxy.getThreadReference();
myStackFrame = threadRef.frame(getFrameIndex());
int index = getFrameIndex();
// batch get frames from 1 to FRAMES_BATCH_MAX
// making this number very high does not help much because renderers invocation usually flush all caches
if (index > 0 && index < FRAMES_BATCH_MAX) {
myStackFrame = threadRef.frames(0, Math.min(myThreadProxy.frameCount(), FRAMES_BATCH_MAX)).get(index);
}
else {
myStackFrame = threadRef.frame(index);
}
}
catch (IndexOutOfBoundsException e) {
throw new EvaluateException(e.getMessage(), e);