From b29a66cfb05ce2b305e38c9c50ccbd6fac543979 Mon Sep 17 00:00:00 2001
From: SCHOTTER Romain <47983209+romainschotter@users.noreply.github.com>
Date: Fri, 24 Jul 2026 17:55:05 +0200
Subject: [PATCH 1/2] Force the update of the LUT when changing runs

---
 Common/Tools/StandardCCDBLoader.h | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/Common/Tools/StandardCCDBLoader.h b/Common/Tools/StandardCCDBLoader.h
index 058342ce527..9c633cbd1f6 100644
--- a/Common/Tools/StandardCCDBLoader.h
+++ b/Common/Tools/StandardCCDBLoader.h
@@ -105,12 +105,8 @@ class StandardCCDBLoader
     }
 
     // load matLUT for this timestamp
-    if (!lut) {
-      LOG(info) << "Loading material look-up table for timestamp: " << currentRunNumber;
-      lut = o2::base::MatLayerCylSet::rectifyPtrFromFile(ccdb->template getForRun<o2::base::MatLayerCylSet>(cGroup.lutPath.value, currentRunNumber));
-    } else {
-      LOG(info) << "Material look-up table already in place. Not reloading.";
-    }
+    LOG(info) << "Loading material look-up table for timestamp: " << currentRunNumber;
+    lut = o2::base::MatLayerCylSet::rectifyPtrFromFile(ccdb->template getForRun<o2::base::MatLayerCylSet>(cGroup.lutPath.value, currentRunNumber));
     LOG(info) << "Setting global propagator material propagation LUT";
     o2::base::Propagator::Instance()->setMatLUT(lut);
 

From 3dbecd7193e4cb7ad4b16b78ef9ec81336c67e14 Mon Sep 17 00:00:00 2001
From: SCHOTTER Romain <47983209+romainschotter@users.noreply.github.com>
Date: Fri, 24 Jul 2026 17:57:47 +0200
Subject: [PATCH 2/2] Add QA histogram

---
 Common/Tools/TrackPropagationModule.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Common/Tools/TrackPropagationModule.h b/Common/Tools/TrackPropagationModule.h
index c49441fe311..76fd0286717 100644
--- a/Common/Tools/TrackPropagationModule.h
+++ b/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) {