making F4 and else happier with perf_trace, also maybe missing 'break'?

firmware/console/binary/tunerstudio.cpp

@@ -853,14 +853,19 @@ int tunerStudioHandleCrcCommand(ts_channel_s *tsChannel, char *data, int incomin
 
 		break;
 	case TS_PERF_TRACE_BEGIN:
+#if ENABLE_PERF_TRACE
 		perfTraceEnable();
+#endif /* ENABLE_PERF_TRACE */
 		break;
 	case TS_PERF_TRACE_GET_BUFFER:
 		{
+#if ENABLE_PERF_TRACE
 			auto trace = perfTraceGetBuffer();
 			sr5SendResponse(tsChannel, TS_CRC, trace.Buffer, trace.Size);
+#endif /* ENABLE_PERF_TRACE */
 		}
 #endif /* EFI_TOOTH_LOGGER */
+		break;
 	default:
 		tunerStudioError("ERROR: ignoring unexpected command");
 		return false;

firmware/controllers/engine_controller.cpp

@@ -797,7 +797,7 @@ void initEngineContoller(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_SUFFIX)
 // help to notice when RAM usage goes up - if a code change adds to RAM usage these variables would fail
 // linking process which is the way to raise the alarm
 #ifndef RAM_UNUSED_SIZE
-#define RAM_UNUSED_SIZE 19000
+#define RAM_UNUSED_SIZE 3000
 #endif
 #ifndef CCM_UNUSED_SIZE
 #define CCM_UNUSED_SIZE 4600

firmware/development/perf_trace.cpp

@@ -4,7 +4,10 @@
 #include "efitime.h"
 #include "os_util.h"
 
+
+#ifndef TRACE_BUFFER_LENGTH
 #define TRACE_BUFFER_LENGTH 2048
+#endif /* TRACE_BUFFER_LENGTH */
 
 enum class EPhase : char
 {

firmware/development/perf_trace.h

@@ -85,12 +85,16 @@ public:
 
 	ScopePerf(PE event, uint8_t data) : m_event(event), m_data(data)
 	{
+#if ENABLE_PERF_TRACE
 		perfEventBegin(event, data);
+#endif /* ENABLE_PERF_TRACE */
 	}
 
 	~ScopePerf()
 	{
+#if ENABLE_PERF_TRACE
 		perfEventEnd(m_event, m_data);
+#endif /* ENABLE_PERF_TRACE */
 	}
 
 private:

simulator/simulator/efifeatures.h

@@ -14,6 +14,8 @@
 
 #define EFI_ENABLE_MOCK_ADC TRUE
 
+#define ENABLE_PERF_TRACE FALSE
+
 #define EFI_PRINTF_FUEL_DETAILS TRUE
 #define EFI_ENABLE_CRITICAL_ENGINE_STOP TRUE
 #define EFI_ENABLE_ENGINE_WARNING TRUE

unit_tests/efifeatures.h

@@ -14,6 +14,8 @@
 
 #define EFI_CJ125 TRUE
 
+#define ENABLE_PERF_TRACE FALSE
+
 #define EFI_IDLE_CONTROL TRUE
 
 #define EFI_ELECTRONIC_THROTTLE_BODY TRUE