add notifyCurrentRunloopState to dynolog

libkineto/src/ActivityProfilerController.cpp

@@ -300,15 +300,18 @@ void ActivityProfilerController::scheduleTrace(const Config& config) {
     return;
   }
   profiler_->setOnDemandProfilingPending(true);
+  configLoader_.notifyCurrentRunloopState(4); // 4 - on-demand profiling pending
   LOG(INFO) << "On-demand profiling enter [pending] status.";
   // If has another ongoing sync profiling, wait until it is finished normally.
   while (profiler_->isSyncProfilingRunning()) {
     // Block here, until sync profiling is finished.
     LOG(INFO) << "wait until sync profiling finished.";
+    // sleep in main thread, readOnDemandConfigFromDaemon will be blocked.
     usleep(500000); // 500ms
   }
   profiler_->setOnDemandProfilingRunning(true);
   profiler_->setOnDemandProfilingPending(false);
+  configLoader_.notifyCurrentRunloopState(1); // 1 - on-demand profiling running
   LOG(INFO) << "On-demand profiling enter [running] status.";
 
   int64_t currentIter = iterationCount_;

libkineto/src/ConfigLoader.cpp

@@ -134,6 +134,13 @@ std::string ConfigLoader::readOnDemandConfigFromDaemon(
   return daemonConfigLoader_->readOnDemandConfig(events, activities, currentRunloopState);
 }
 
+void ConfigLoader::notifyCurrentRunloopState(int state) {
+  if (!daemonConfigLoader_) {
+    return;
+  }
+  daemonConfigLoader_->readOnDemandConfig(false, true, state);
+}
+
 int ConfigLoader::contextCountForGpu(uint32_t device) {
   if (!daemonConfigLoader_) {
     // FIXME: Throw error?

libkineto/src/ConfigLoader.h

@@ -85,6 +85,8 @@ class ConfigLoader {
     }
   }
 
+  void notifyCurrentRunloopState(int state);
+
   bool canHandlerAcceptConfig(ConfigKind kind) {
     std::lock_guard<std::mutex> lock(updateThreadMutex_);
     for (ConfigHandler* handler : handlers_[kind]) {