[PWGLF] New histograms for systematics calculation

[tutripat]

No description provided.

[github-actions]

O2 linter results: ❌ 0 errors, ⚠️ 3 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/code-check for 9e694b3 at 2026-10-17 19:20:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'To reproduce the results below locally, run: '\''aliBuild build O2Physics-code-check -e ALIBUILD_BASE_HASH=upstream/master'\''.'
To reproduce the results below locally, run: 'aliBuild build O2Physics-code-check -e ALIBUILD_BASE_HASH=upstream/master'.
++ echo 'To apply all automatic fixes, add the '\''-e O2PHYSICS_CHECKER_FIX=1'\'' option.'
To apply all automatic fixes, add the '-e O2PHYSICS_CHECKER_FIX=1' option.
++ echo 'See the documentation for more details at: <https://aliceo2group.github.io/analysis-framework/docs/tools/#running-with-o2physics-code-check>.'
See the documentation for more details at: <https://aliceo2group.github.io/analysis-framework/docs/tools/#running-with-o2physics-code-check>.
++ echo 'Found 2 errors and 10 warnings.'
Found 2 errors and 10 warnings.
++ [[ 2 -gt 0 ]]
++ cat /sw/BUILD/5eea65673f8fa9f8035f50e531c3499dbceb03e8/O2Physics-code-check/errors.txt
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:704:39: error: no header providing "THnSparse" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2806:5: error: no header providing "UChar_t" is directly included [misc-include-cleaner,-warnings-as-errors]
++ [[ 10 -gt 0 ]]
++ cat /sw/BUILD/5eea65673f8fa9f8035f50e531c3499dbceb03e8/O2Physics-code-check/warnings.txt
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:100:10: warning: variable 'recoTruthStatusAxis' is non-const and globally accessible, consider making it const [cppcoreguidelines-avoid-non-const-global-variables]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2281:14: warning: constructor does not initialize these fields: bit [cppcoreguidelines-pro-type-member-init]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2608:14: warning: constructor does not initialize these fields: bit [cppcoreguidelines-pro-type-member-init]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2701:40: warning: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2805:11: warning: use auto when initializing with a cast to avoid duplicating the type name [modernize-use-auto]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2806:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2807:37: warning: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2864:17: warning: use auto when initializing with a cast to avoid duplicating the type name [modernize-use-auto]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2876:34: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2878:34: warning: statement should be inside braces [readability-braces-around-statements]
++ [[ 2 -gt 0 ]]
++ exit 1
--

Full log here.

[alibuild]

Error while checking build/O2Physics/code-check for 40c42bf at 2026-10-17 19:32:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'To reproduce the results below locally, run: '\''aliBuild build O2Physics-code-check -e ALIBUILD_BASE_HASH=upstream/master'\''.'
To reproduce the results below locally, run: 'aliBuild build O2Physics-code-check -e ALIBUILD_BASE_HASH=upstream/master'.
++ echo 'To apply all automatic fixes, add the '\''-e O2PHYSICS_CHECKER_FIX=1'\'' option.'
To apply all automatic fixes, add the '-e O2PHYSICS_CHECKER_FIX=1' option.
++ echo 'See the documentation for more details at: <https://aliceo2group.github.io/analysis-framework/docs/tools/#running-with-o2physics-code-check>.'
See the documentation for more details at: <https://aliceo2group.github.io/analysis-framework/docs/tools/#running-with-o2physics-code-check>.
++ echo 'Found 2 errors and 10 warnings.'
Found 2 errors and 10 warnings.
++ [[ 2 -gt 0 ]]
++ cat /sw/BUILD/4a4e84f2fd3b8a610e3f2f20943a8b66d32acd47/O2Physics-code-check/errors.txt
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:704:39: error: no header providing "THnSparse" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2806:5: error: no header providing "UChar_t" is directly included [misc-include-cleaner,-warnings-as-errors]
++ [[ 10 -gt 0 ]]
++ cat /sw/BUILD/4a4e84f2fd3b8a610e3f2f20943a8b66d32acd47/O2Physics-code-check/warnings.txt
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:100:10: warning: variable 'recoTruthStatusAxis' is non-const and globally accessible, consider making it const [cppcoreguidelines-avoid-non-const-global-variables]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2281:14: warning: constructor does not initialize these fields: bit [cppcoreguidelines-pro-type-member-init]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2608:14: warning: constructor does not initialize these fields: bit [cppcoreguidelines-pro-type-member-init]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2701:40: warning: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2805:11: warning: use auto when initializing with a cast to avoid duplicating the type name [modernize-use-auto]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2806:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2807:37: warning: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2864:17: warning: use auto when initializing with a cast to avoid duplicating the type name [modernize-use-auto]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2876:34: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/GlobalEventProperties/PseudorapidityDensityMFT.cxx:2878:34: warning: statement should be inside braces [readability-braces-around-statements]
++ [[ 2 -gt 0 ]]
++ exit 1
--

Full log here.