SWDEV-290160 - Switch to global HSA signals

Runtime can't assign internal HSA signals for HIP events, because
HIP application can destroy the HIP stream or signal reuse may
occur internally. Switch to global HSA signals for HIP events.

Change-Id: Ieaea2d6b039e492b2e7c5112782a8f4e601e50a1

rocclr/device/rocm/rocdevice.cpp

@@ -2919,6 +2919,7 @@ bool Device::findLinkInfo(const hsa_amd_memory_pool_t& pool,
   return true;
 }
 
+// ================================================================================================
 void Device::getGlobalCUMask(std::string cuMaskStr) {
   if (cuMaskStr.length() != 0) {
     std::string pre = cuMaskStr.substr(0, 2);
@@ -2971,10 +2972,12 @@ void Device::getGlobalCUMask(std::string cuMaskStr) {
   }
 }
 
+// ================================================================================================
 device::Signal* Device::createSignal() const {
   return new roc::Signal();
 }
 
+// ================================================================================================
 amd::Memory* Device::GetArenaMemObj(const void* ptr, size_t& offset) {
   // If arena_mem_obj_ is null, then HMM and Xnack is disabled. Return nullptr.
   if (arena_mem_obj_ == nullptr) {
@@ -2989,5 +2992,39 @@ amd::Memory* Device::GetArenaMemObj(const void* ptr, size_t& offset) {
   return arena_mem_obj_;
 }
 
+// ================================================================================================
+ProfilingSignal* Device::GetGlobalSignal(Timestamp* ts) const {
+  std::unique_ptr<ProfilingSignal> prof_signal(new ProfilingSignal());
+  if (prof_signal != nullptr) {
+    hsa_agent_t agent = getBackendDevice();
+    hsa_agent_t* agents = (settings().system_scope_signal_) ? nullptr : &agent;
+    uint32_t num_agents = (settings().system_scope_signal_) ? 0 : 1;
+
+    if (ts != 0) {
+      // Save HSA signal earlier to make sure the possible callback will have a valid
+      // value for processing
+      prof_signal->ts_ = ts;
+      ts->AddProfilingSignal(prof_signal.get());
+    }
+
+    if (HSA_STATUS_SUCCESS == hsa_signal_create(kInitSignalValueOne,
+                                                num_agents, agents, &prof_signal->signal_)) {
+      return prof_signal.release();
+    }
+  }
+  return nullptr;
+}
+
+// ================================================================================================
+void Device::ReleaseGlobalSignal(void* signal) const {
+  if (signal != nullptr) {
+    ProfilingSignal* prof_signal = reinterpret_cast<ProfilingSignal*>(signal);
+    if (prof_signal->signal_.handle != 0) {
+      hsa_signal_destroy(prof_signal->signal_);
+    }
+    delete prof_signal;
+  }
+}
+
 } // namespace roc
 #endif  // WITHOUT_HSA_BACKEND