i#6354 test: Verify one CPU ID per stream with MAP_TO_RECORDED

Added check to verify that output stream's CPU ID matches the CPU ID
markers seen in the trace.

Issue: #6354

clients/drcachesim/CMakeLists.txt

@@ -391,6 +391,13 @@ if (X86 AND X64 AND ZIP_FOUND)
   add_test(NAME tool.scheduler_launcher
     COMMAND scheduler_launcher -trace_dir ${trace_dir})
   set_tests_properties(tool.scheduler_launcher PROPERTIES TIMEOUT ${test_seconds})
+
+  set(trace_dir_2
+    "${PROJECT_SOURCE_DIR}/clients/drcachesim/tests/drmemtrace.schedtest.x64")
+  add_test(NAME tool.scheduler_launcher_map_to_rec
+    COMMAND scheduler_launcher -trace_dir ${trace_dir_2} -cpu_schedule_file
+    ${trace_dir_2}/cpu_schedule.bin.zip)
+  set_tests_properties(tool.scheduler_launcher_map_to_rec PROPERTIES TIMEOUT ${test_seconds})
 endif ()
 
 # We have a companion test built using a separate --build-and-test CMake project in

clients/drcachesim/tests/scheduler_launcher.cpp

@@ -231,6 +231,19 @@ simulate_core(int ordinal, scheduler_t::stream_t *stream, const scheduler_t &sch
                 thread_sequence += 'A' + static_cast<char>(input % 26);
                 cur_segment_instrs = 0;
             }
+        } else if (record.marker.type == dynamorio::drmemtrace::TRACE_TYPE_MARKER) {
+            if (record.marker.marker_type ==
+                dynamorio::drmemtrace::TRACE_MARKER_TYPE_CPU_ID) {
+                if (!op_cpu_schedule_file.get_value().empty()) {
+                    int cpu = (int)record.marker.marker_value;
+                    int output_cpuid = stream->get_output_cpuid();
+                    if (cpu != output_cpuid) {
+                        FATAL_ERROR(
+                            "CPU marker differs from output stream CPU ID: %d != %d\n",
+                            cpu, output_cpuid);
+                    }
+                }
+            }
         }
     }
 }