GPU: Fix forwarding of exit code when using doublePipelined processing

Author: davidrohr

GPU/GPUTracking/Base/GPUReconstructionCPU.cxx

@@ -216,8 +216,9 @@ int32_t GPUReconstructionCPU::RunChains()
 
   timerTotal.Start();
   if (mProcessingSettings.doublePipeline) {
-    if (EnqueuePipeline()) {
-      return 1;
+    int32_t retVal = EnqueuePipeline();
+    if (retVal) {
+      return retVal;
     }
   } else {
     if (mThreadId != GetThread()) {

GPU/GPUTracking/Definitions/GPUSettingsList.h

@@ -89,7 +89,7 @@ AddOptionRTC(extraClusterErrorSplitPadSharedSingleY2, float, 0.03f, "", 0, "Addi
 AddOptionRTC(extraClusterErrorFactorSplitPadSharedSingleY2, float, 3.0f, "", 0, "Multiplicative extra cluster error for Y2 if splitpad, shared, or single set")
 AddOptionRTC(extraClusterErrorSplitTimeSharedSingleZ2, float, 0.03f, "", 0, "Additive extra cluster error for Z2 if splittime, shared, or single set")
 AddOptionRTC(extraClusterErrorFactorSplitTimeSharedSingleZ2, float, 3.0f, "", 0, "Multiplicative extra cluster error for Z2 if splittime, shared, or single set")
-AddOptionArray(errorsCECrossing, float, 5, (0.f, 0.f, 0.f, 0.f, 0.f), "", 0, "Extra errors to add to track when crossing CE, depending on addErrorsCECrossing") // BUG: CUDA cannot yet hand AddOptionArrayRTC
+AddOptionArray(errorsCECrossing, float, 5, (0.f, 0.f, 0.f, 0.f, 0.f), "", 0, "Extra errors to add to track when crossing CE, depending on addErrorsCECrossing") // BUG: CUDA cannot yet handle AddOptionArrayRTC
 AddOptionRTC(globalTrackingYRangeUpper, float, 0.85f, "", 0, "Inner portion of y-range in slice that is not used in searching for global track candidates")
 AddOptionRTC(globalTrackingYRangeLower, float, 0.85f, "", 0, "Inner portion of y-range in slice that is not used in searching for global track candidates")
 AddOptionRTC(trackFollowingYFactor, float, 4.f, "", 0, "Weight of y residual vs z residual in tracklet constructor")

GPU/GPUTracking/Global/GPUChainTrackingDebugAndProfiling.cxx

@@ -302,7 +302,7 @@ void GPUChainTracking::SanityCheck()
 void GPUChainTracking::RunTPCClusterFilter(o2::tpc::ClusterNativeAccess* clusters, std::function<o2::tpc::ClusterNative*(size_t)> allocator, bool applyClusterCuts)
 {
   GPUTPCClusterFilter clusterFilter(*clusters);
-  o2::tpc::ClusterNative* outputBuffer;
+  o2::tpc::ClusterNative* outputBuffer = nullptr;
   for (int32_t iPhase = 0; iPhase < 2; iPhase++) {
     uint32_t countTotal = 0;
     for (uint32_t iSector = 0; iSector < GPUCA_NSLICES; iSector++) {

GPU/Workflow/src/GPUWorkflowSpec.cxx

@@ -851,7 +851,7 @@ void GPURecoWorkflowSpec::run(ProcessingContext& pc)
       }
       createEmptyOutput = !mConfParam->partialOutputForNonFatalErrors;
     } else {
-      throw std::runtime_error("tracker returned error code " + std::to_string(retVal));
+      throw std::runtime_error("GPU Reconstruction error: error code " + std::to_string(retVal));
     }
   }