kezhenxu94 commented on a change in pull request #4220: sniffer processing
profile task and report status and snapshot
URL: https://github.com/apache/skywalking/pull/4220#discussion_r367944277
##########
File path:
apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/profile/ProfileTaskExecutionContext.java
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@@ -58,4 +182,27 @@ public boolean equals(Object o) {
public int hashCode() {
return Objects.hash(task);
}
+
+ private boolean tryToAttemptProfiling(TracingContext tracingContext, ID
traceSegmentId, String firstSpanOPName, int currentUsingSlotCount) {
+ // if out limit started profiling count then stop add profiling
+ if (totalStartedProfilingCount.get() > task.getMaxSamplingCount()) {
+ return false;
+ }
+
+ // try to occupy slot
+ if (!currentProfilingCount.compareAndSet(currentUsingSlotCount,
currentUsingSlotCount + 1)) {
+ return false;
+ }
+
+ final ThreadProfiler segmentContext = new
ThreadProfiler(tracingContext, traceSegmentId, Thread.currentThread(), this);
+ for (int slot = 0; slot < profilingSegmentSlots.length; slot++) {
+ if (profilingSegmentSlots[slot] == null) {
+ profilingSegmentSlots[slot] = segmentContext;
+
+ profilingSegmentSlots = profilingSegmentSlots;
Review comment:
And this one
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