From d5ca550a951278872959d8474ab73778dc5ede46 Mon Sep 17 00:00:00 2001
From: ddobrigk <david.dobrigkeit.chinellato@cern.ch>
Date: Fri, 1 May 2026 18:32:41 +0200
Subject: [PATCH 1/2] [Common] Add option to compress out unused vars in mult
 der dat

---
 Common/Tools/Multiplicity/MultModule.h | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/Common/Tools/Multiplicity/MultModule.h b/Common/Tools/Multiplicity/MultModule.h
index 5b13392e06c..6c72a840287 100644
--- a/Common/Tools/Multiplicity/MultModule.h
+++ b/Common/Tools/Multiplicity/MultModule.h
@@ -308,6 +308,8 @@ struct standardConfigurables : o2::framework::ConfigurableGroup {
   // Autoconfigure process functions
   o2::framework::Configurable<bool> autoConfigureProcess{"autoConfigureProcess", false, "if true, will configure process function switches based on metadata"};
 
+  o2::framework::Configurable<bool> doNTrackStudies{"doNTrackStudies", true, "if true, will fill Ntracks in MultsExtra"};
+
   // do vertex-Z equalized or not
   o2::framework::Configurable<int> doVertexZeq{"doVertexZeq", 1, "if 1: do vertex Z eq mult table"};
 
@@ -903,9 +905,15 @@ class MultModule
     if (internalOpts.mEnabledTables[kMultsExtra]) {
       cursors.tableExtra(collision.numContrib(), collision.chi2(), collision.collisionTimeRes(),
                          bc.runNumber(), collision.posZ(), collision.sel8(),
-                         mults.multHasITS, mults.multHasTPC, mults.multHasTOF, mults.multHasTRD,
-                         mults.multITSOnly, mults.multTPCOnly, mults.multITSTPC,
-                         mults.multAllTracksTPCOnly, mults.multAllTracksITSTPC,
+                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multHasITS, 
+                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multHasTPC, 
+                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multHasTOF, 
+                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multHasTRD,
+                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multITSOnly, 
+                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multTPCOnly, 
+                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multITSTPC,
+                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multAllTracksTPCOnly, 
+                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multAllTracksITSTPC,
                          collision.trackOccupancyInTimeRange(),
                          collision.ft0cOccupancyInTimeRange(),
                          collision.flags());

From 4568ece099f23bf5880d0c958646eb91774bc3d0 Mon Sep 17 00:00:00 2001
From: ALICE Builder <alibuild@users.noreply.github.com>
Date: Fri, 1 May 2026 18:41:16 +0200
Subject: [PATCH 2/2] Please consider the following formatting changes (#505)

---
 Common/Tools/Multiplicity/MultModule.h | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/Common/Tools/Multiplicity/MultModule.h b/Common/Tools/Multiplicity/MultModule.h
index 6c72a840287..0f4e768926b 100644
--- a/Common/Tools/Multiplicity/MultModule.h
+++ b/Common/Tools/Multiplicity/MultModule.h
@@ -905,15 +905,15 @@ class MultModule
     if (internalOpts.mEnabledTables[kMultsExtra]) {
       cursors.tableExtra(collision.numContrib(), collision.chi2(), collision.collisionTimeRes(),
                          bc.runNumber(), collision.posZ(), collision.sel8(),
-                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multHasITS, 
-                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multHasTPC, 
-                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multHasTOF, 
-                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multHasTRD,
-                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multITSOnly, 
-                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multTPCOnly, 
-                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multITSTPC,
-                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multAllTracksTPCOnly, 
-                         static_cast<int>(internalOpts.doNTrackStudies)*mults.multAllTracksITSTPC,
+                         static_cast<int>(internalOpts.doNTrackStudies) * mults.multHasITS,
+                         static_cast<int>(internalOpts.doNTrackStudies) * mults.multHasTPC,
+                         static_cast<int>(internalOpts.doNTrackStudies) * mults.multHasTOF,
+                         static_cast<int>(internalOpts.doNTrackStudies) * mults.multHasTRD,
+                         static_cast<int>(internalOpts.doNTrackStudies) * mults.multITSOnly,
+                         static_cast<int>(internalOpts.doNTrackStudies) * mults.multTPCOnly,
+                         static_cast<int>(internalOpts.doNTrackStudies) * mults.multITSTPC,
+                         static_cast<int>(internalOpts.doNTrackStudies) * mults.multAllTracksTPCOnly,
+                         static_cast<int>(internalOpts.doNTrackStudies) * mults.multAllTracksITSTPC,
                          collision.trackOccupancyInTimeRange(),
                          collision.ft0cOccupancyInTimeRange(),
                          collision.flags());