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freeze report analysis - find probable cause for edt blocked acquiring write lock

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GitOrigin-RevId: ba18275d88f2f9ef5d0fb9ee4d87634d1cc16f2d
This commit is contained in:
Egor Ushakov
2019-04-28 17:03:50 +03:00
committed by intellij-monorepo-bot
parent 911388590f
commit 43db2dec54
1 changed files with 39 additions and 2 deletions
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platform/platform-impl/src/com/intellij/diagnostic/IdeaFreezeReporter.java
+39 -2
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@@ -11,6 +11,7 @@ import com.intellij.openapi.util.registry.Registry;
import com.intellij.util.containers.ContainerUtil;
import one.util.streamex.StreamEx;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.File;
import java.lang.management.ThreadInfo;
@@ -58,19 +59,55 @@ public class IdeaFreezeReporter {
attachment.setIncluded(true);
attachments[i] = attachment;
}
MessagePool.getInstance().addIdeFatalMessage(createEvent(lengthInSeconds, attachments));
IdeaLoggingEvent event = createEvent(lengthInSeconds, attachments);
if (event != null) {
MessagePool.getInstance().addIdeFatalMessage(event);
}
}
myCurrentDumps.clear();
myStacktraceCommonPart = null;
}
@NotNull
@Nullable
private IdeaLoggingEvent createEvent(int lengthInSeconds, Attachment[] attachments) {
boolean allInEdt = StreamEx.of(myCurrentDumps)
.flatArray(ThreadDump::getThreadInfos)
.filter(ThreadDumper::isEDT)
.map(ThreadInfo::getThreadState)
.allMatch(Thread.State.RUNNABLE::equals);
if (!allInEdt) {
long causeThreadId = -1;
for (ThreadDump dump : myCurrentDumps) {
if (causeThreadId == -1) {
// find probable cause thread
ThreadInfo[] threadInfos = dump.getThreadInfos();
ThreadInfo edt = ContainerUtil.find(threadInfos, ThreadDumper::isEDT);
if (edt != null && edt.getThreadState() != Thread.State.RUNNABLE) {
String lockName = edt.getLockName();
if (lockName != null && lockName.contains("ReadMostlyRWLock")) {
for (ThreadInfo info : threadInfos) {
if (info.getThreadState() == Thread.State.RUNNABLE &&
ContainerUtil.find(info.getStackTrace(), s -> "runReadAction".equals(s.getMethodName())) != null) {
causeThreadId = info.getThreadId();
myStacktraceCommonPart = ContainerUtil.newArrayList(info.getStackTrace());
break;
}
}
}
}
}
else {
long finalCauseThreadId = causeThreadId;
ThreadInfo causeThread = ContainerUtil.find(dump.getThreadInfos(), i -> i.getThreadId() == finalCauseThreadId);
if (causeThread != null) {
myStacktraceCommonPart = PerformanceWatcher.getStacktraceCommonPart(myStacktraceCommonPart, causeThread.getStackTrace());
}
}
}
}
if (ContainerUtil.isEmpty(myStacktraceCommonPart)) {
return null;
}
String edtNote = allInEdt ? "in EDT " : "";
return LogMessage.createEvent(new Freeze(myStacktraceCommonPart),
"Freeze " + edtNote + "for " + lengthInSeconds + " seconds",