[mono] Disable counters and logdest on wasm (dotnet#51525)

src/mono/cmake/config.h.in

@@ -366,6 +366,12 @@
 /* Disable Threads */
 #cmakedefine DISABLE_THREADS 1
 
+/* Disable perf counters */
+#cmakedefine DISABLE_PERF_COUNTERS
+
+/* Disable MONO_LOG_DEST */
+#cmakedefine DISABLE_LOG_DEST
+
 /* GC description */
 #cmakedefine DEFAULT_GC_NAME 1
 

src/mono/cmake/options.cmake

@@ -39,6 +39,8 @@ option (DISABLE_EXECUTABLES "Disable the build of the runtime executables")
 option (DISABLE_CRASH_REPORTING "Disable crash reporting subsystem")
 option (DISABLE_ICALL_TABLES "Enable separate icall table library")
 option (DISABLE_QCALLS "Disable support for QCalls")
+option (DISABLE_PERF_COUNTERS "Disable support for perf counters")
+option (DISABLE_LOG_DEST "Disable MONO_LOG_DEST support")
 option (ENABLE_ICALL_EXPORT "Export icall functions")
 option (ENABLE_ICALL_SYMBOL_MAP "Generate tables which map icall functions to their C symbols")
 option (ENABLE_PERFTRACING "Enables support for eventpipe library")

src/mono/mono.proj

@@ -280,7 +280,7 @@
     </ItemGroup>
     <!-- WASM specific options -->
     <PropertyGroup Condition="'$(TargetsBrowser)' == 'true'">
-      <_MonoMinimal Condition="'$(Configuration)' == 'Release'">,debugger_agent</_MonoMinimal>
+      <_MonoMinimal Condition="'$(Configuration)' == 'Release'">,debugger_agent,log_dest,perf_counters</_MonoMinimal>
       <_MonoMinimal Condition="'$(Configuration)' == 'Release' and '$(MonoEnableAssertMessages)' != 'true'">$(_MonoMinimal),assert_messages</_MonoMinimal>
     </PropertyGroup>
     <ItemGroup Condition="'$(TargetsBrowser)' == 'true'">

src/mono/mono/utils/mono-counters.c

@@ -26,6 +26,8 @@ struct _MonoCounter {
 	size_t size;
 };
 
+#ifndef DISABLE_PERF_COUNTERS
+
 static MonoCounter *counters = NULL;
 static mono_mutex_t counters_mutex;
 
@@ -749,4 +751,99 @@ mono_runtime_resource_set_callback (MonoResourceCallback callback)
 	limit_reached = callback;
 }
 
+#else // DISABLE_MONO_COUNTERS
+
+int
+mono_counter_get_variance (MonoCounter *counter)
+{
+	return 0;
+}
+
+int
+mono_counter_get_unit (MonoCounter *counter)
+{
+	return 0;
+}
+
+int
+mono_counter_get_section (MonoCounter *counter)
+{
+	return 0;
+}
+
+int
+mono_counter_get_type (MonoCounter *counter)
+{
+	return 0;
+}
+
+size_t
+mono_counter_get_size (MonoCounter *counter)
+{
+	return 0;
+}
+
+void
+mono_counters_enable (int section_mask)
+{
+}
+
+void
+mono_counters_init (void)
+{
+}
+
+void 
+mono_counters_register (const char* name, int type, void *addr)
+{
+}
+
+void
+mono_counters_register_with_size (const char *name, int type, void *addr, int size)
+{
+}
+
+void
+mono_counters_on_register (MonoCounterRegisterCallback callback)
+{
+}
+
+void
+mono_counters_foreach (CountersEnumCallback cb, gpointer user_data)
+{
+}
+
+int
+mono_counters_sample (MonoCounter *counter, void *buffer, int buffer_size)
+{
+	return 0;
+}
+
+void
+mono_counters_dump (int section_mask, FILE *outfile)
+{
+}
+
+void
+mono_counters_cleanup (void)
+{
+}
+
+void
+mono_runtime_resource_check_limit (int resource_type, uintptr_t value)
+{
+}
+
+int
+mono_runtime_resource_limit (int resource_type, uintptr_t soft_limit, uintptr_t hard_limit)
+{
+	return 1;
+}
+
+void
+mono_runtime_resource_set_callback (MonoResourceCallback callback)
+{
+}
+
+#endif // DISABLE_MONO_COUNTERS
 

src/mono/mono/utils/mono-logger.c

@@ -142,7 +142,7 @@ mono_trace_set_logdest_string (const char *dest)
 	logger.writer = mono_log_write_os_log;
 	logger.closer = mono_log_close_os_log;
 	logger.dest   = (char*) dest;
-#else
+#elif !defined(DISABLE_LOG_DEST)
 	if (dest && !strcmp("flight-recorder", dest)) {
 		logger.opener = mono_log_open_recorder;
 		logger.writer = mono_log_write_recorder;
@@ -164,6 +164,11 @@ mono_trace_set_logdest_string (const char *dest)
 		logger.closer = mono_log_close_logfile;
 		logger.dest   = (char *) dest;
 	}
+#else
+	logger.opener = mono_log_open_logfile;
+	logger.writer = mono_log_write_logfile;
+	logger.closer = mono_log_close_logfile;
+	logger.dest   = NULL;
 #endif
 
 	mono_trace_set_log_handler_internal(&logger, NULL);