Revert debug example, fix segfault in TlmRecorder.

DRAMSys/library/resources/simulations/ddr5-example.json

@@ -9,13 +9,7 @@
         "tracesetup": [
             {
                 "clkMhz": 2000,
-                "name": "gen0",
-                "type": "generator",
-                "numRequests": 20,
-                "rwRatio": 1,
-                "addressDistribution": "random",
-                "dataLength": 64,
-                "seed": 1
+                "name": "ddr3_example.stl"
             }
         ]
     }

DRAMSys/library/src/simulation/DRAMSysRecordable.cpp

@@ -92,8 +92,11 @@ void DRAMSysRecordable::end_of_simulation()
 
 void DRAMSysRecordable::setupTlmRecorders(const std::string& traceName, const DRAMSysConfiguration::Configuration& configLib)
 {
-    //tlmRecorders.reserve(config.memSpec->numberOfChannels);
     // Create TLM Recorders, one per channel.
+    // Reserve is required because the recorders use double buffers that are accessed with pointers.
+    // Without a reserve, the vector reallocates storage before inserting a second
+    // element and the pointers are not valid anymore.
+    tlmRecorders.reserve(config.memSpec->numberOfChannels);
     for (std::size_t i = 0; i < config.memSpec->numberOfChannels; i++)
     {
         std::string dbName = traceName + std::string("_ch") + std::to_string(i) + ".tdb";