Add support for including custom timing threshold files in physim tests

Introduce a new CMake variable PHYSIM_CHECK_FILES to specify CMake files
(semicolon-separated) containing timing thresholds for timed physim tests.

ci-scripts/xml_files/gnb_usrp_build.xml

@@ -42,7 +42,7 @@
 		<class>Build_eNB</class>
 		<desc>Build gNB (USRP)</desc>
 		<node>caracal</node>
-		<Build_eNB_args>--gNB -w USRP --ninja -c -P --build-lib ldpc_cuda --build-lib ldpc_aal --cmake-opt -DASN1C_EXEC=/opt/asn1c/bin/asn1c</Build_eNB_args>
+		<Build_eNB_args>--gNB -w USRP --ninja -c -P --build-lib ldpc_cuda --build-lib ldpc_aal --cmake-opt -DASN1C_EXEC=/opt/asn1c/bin/asn1c --cmake-opt -DPHYSIM_CHECK_FILES="ThresholdsOffload.cmake"</Build_eNB_args>
 	</testCase>
 
 	<testCase id="100000">

openair1/SIMULATION/tests/CMakeLists.txt

+# This defines a cmake file with timing thresholds to include (empty by default)
+set(PHYSIM_CHECK_FILES "" CACHE STRING "CMake files ('\;' separated) with timing thresholds to include for timed physim tests")
+
+if(PHYSIM_CHECK_FILES)
+  foreach(PHYSIM_CHECK_FILE IN LISTS PHYSIM_CHECK_FILES)
+    # Construct full path relative to current source dir
+    set(CHECK_FILE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/${PHYSIM_CHECK_FILE}")
+    if(EXISTS "${CHECK_FILE_PATH}")
+      message(STATUS "Including file for physim timing threshold check: ${PHYSIM_CHECK_FILE}")
+    else()
+      message(FATAL_ERROR "Threshold file '${PHYSIM_CHECK_FILE}' not found at ${CHECK_FILE_PATH}")
+    endif()
+  endforeach()
+endif()
+
 define_property(TEST PROPERTY TEST_DESCRIPTION
                 BRIEF_DOCS "A human-readable description of this test"
                 FULL_DOCS "A human-readable description of this test")
@@ -398,6 +413,10 @@ add_timed_physim_test(physim.5g-offload.nr_ulsim.testT2.8  "T2 LDPC offload: SNR
 add_timed_physim_test(physim.5g-offload.nr_ulsim.testCPU.9 "CPU: SNR = 30, MCS = 25, 273 PRBs, 2 layers"             nr_ulsim -n1000 -s30 -S30.2 -m25 -r273 -R273 -C10 -W2 -z2 -y2 -P)
 add_timed_physim_test(physim.5g-offload.nr_ulsim.testT2.9  "T2 LDPC offload: SNR = 30, MCS = 25, 273 PRBs, 2 layers" nr_ulsim -n1000 -s30 -S30.2 -m25 -r273 -R273 -C10 -W2 -z2 -y2 -P --loader.ldpc.shlibversion _aal --nrLDPC_coding_aal.dpdk_dev af:00.0 --nrLDPC_coding_aal.dpdk_core_list 11-12 --nrLDPC_coding_aal.is_t2 1)
 
-include(ThresholdsOffload.cmake)
+endif()
 
+if(PHYSIM_CHECK_FILES)
+  foreach(PHYSIM_CHECK_FILE IN LISTS PHYSIM_CHECK_FILES)
+    include("${CMAKE_CURRENT_SOURCE_DIR}/${PHYSIM_CHECK_FILE}")
+  endforeach()
 endif()