Add QA histogram

Author: romainschotter

Common/Tools/TrackPropagationModule.h

@@ -208,6 +208,11 @@ class TrackPropagationModule
     registry.template add<TH2>("hDCAxyVsPtMC", "hDCAxyVsPtMC", o2::framework::HistType::kTH2F, {axisBinsDCA, cGroup.axisPtQA});
     registry.template add<TH2>("hDCAzVsPtRec", "hDCAzVsPtRec", o2::framework::HistType::kTH2F, {axisBinsDCA, cGroup.axisPtQA});
     registry.template add<TH2>("hDCAzVsPtMC", "hDCAzVsPtMC", o2::framework::HistType::kTH2F, {axisBinsDCA, cGroup.axisPtQA});
+
+    registry.template add<TH1>("hPropagation", "hPropagation", o2::framework::HistType::kTH1D, {{3, 0.f, 3.f}});
+    registry.template get<TH1>(HIST("hPropagation"))->GetXaxis()->SetBinLabel(1, "All");
+    registry.template get<TH1>(HIST("hPropagation"))->GetXaxis()->SetBinLabel(2, Form("TracksIU, x < %g cm", cGroup.minPropagationRadius.value));
+    registry.template get<TH1>(HIST("hPropagation"))->GetXaxis()->SetBinLabel(3, "Propagation OK");
   }
 
   template <bool isMc, typename TConfigurableGroup, typename TCCDBLoader, typename TCollisions, typename TTracks, typename TOutputGroup, typename THistoRegistry>
@@ -279,6 +284,7 @@ class TrackPropagationModule
       // std::array<float, 3> trackPxPyPzTuned = {0.0, 0.0, 0.0};
       double q2OverPtNew = -9999.;
       // Only propagate tracks which have passed the innermost wall of the TPC (e.g. skipping loopers etc). Others fill unpropagated.
+      registry.fill(HIST("hPropagation"), 0.5);
       if (track.trackType() == o2::aod::track::TrackIU && track.x() < cGroup.minPropagationRadius.value) {
         if (fillTracksCov) {
           if constexpr (isMc) { // checking MC and fillCovMat block begins
@@ -295,7 +301,8 @@ class TrackPropagationModule
           } // MC and fillCovMat block ends
         }
         bool isPropagationOK = true;
-
+        registry.fill(HIST("hPropagation"), 1.5);
+        
         if (track.has_collision()) {
           auto const& collision = collisions.rawIteratorAt(track.collisionId());
           if (fillTracksCov) {
@@ -316,6 +323,7 @@ class TrackPropagationModule
         }
         if (isPropagationOK) {
           trackType = o2::aod::track::Track;
+          registry.fill(HIST("hPropagation"), 2.5);
         }
         // filling some QA histograms for track tuner test purpose
         if (fillTracksCov) {