wu-sheng commented on a change in pull request #7243:
URL: https://github.com/apache/skywalking/pull/7243#discussion_r663922235
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File path:
apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/jvm/thread/ThreadProvider.java
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@@ -31,12 +32,58 @@
}
public Thread getThreadMetrics() {
+ int newStateThreadCount = 0;
+ int runnableStateThreadCount = 0;
+ int blockedStateThreadCount = 0;
+ int waitingStateThreadCount = 0;
+ int timedWaitingStateThreadCount = 0;
+ int terminatedStateThreadCount = 0;
+
+ ThreadInfo[] threadInfos =
threadMXBean.getThreadInfo(threadMXBean.getAllThreadIds(), 0);
+ if (threadInfos != null) {
+ for (ThreadInfo threadInfo : threadInfos) {
+ if (threadInfo != null) {
+ switch (threadInfo.getThreadState()) {
+ case NEW:
+ newStateThreadCount++;
+ break;
+ case RUNNABLE:
+ runnableStateThreadCount++;
+ break;
+ case BLOCKED:
+ blockedStateThreadCount++;
+ break;
+ case WAITING:
+ waitingStateThreadCount++;
+ break;
+ case TIMED_WAITING:
+ timedWaitingStateThreadCount++;
+ break;
+ case TERMINATED:
+ terminatedStateThreadCount++;
+ break;
+ default:
+ break;
+ }
+ } else {
+ terminatedStateThreadCount++;
+ }
Review comment:
If there is no threadInfo, I think we should not run statistics for it.
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