Add interval to improve performance when dumping with valgrind

CMakeLists.txt

@@ -133,6 +133,9 @@ mark_as_advanced(UA_VXWORKS_WRS_KERNEL)
 set(UA_FREERTOS OFF CACHE BOOL "Enable if you want to compile for freeRTOS")
 mark_as_advanced(UA_FREERTOS)
 
+set(UA_VALGRIND_INTERACTIVE_INTERVAL 1000 CACHE STRING "The number of iterations to wait before creating the next dump")
+mark_as_advanced(UA_VALGRIND_INTERACTIVE_INTERVAL)
+
 # Build options for debugging
 option(UA_DEBUG "Enable assertions and additional functionality that should not be included in release builds" OFF)
 mark_as_advanced(UA_DEBUG)

include/ua_config.h.in

@@ -28,7 +28,6 @@ extern "C" {
 #cmakedefine UA_ENABLE_SUBSCRIPTIONS
 #cmakedefine UA_ENABLE_MULTITHREADING
 #cmakedefine UA_ENABLE_ENCRYPTION
-#cmakedefine UA_ENABLE_VALGRIND_INTERACTIVE
 
 /* Advanced Options */
 #cmakedefine UA_ENABLE_STATUSCODE_DESCRIPTIONS
@@ -40,6 +39,8 @@ extern "C" {
 #cmakedefine UA_ENABLE_DISCOVERY_MULTICAST
 #cmakedefine UA_ENABLE_DISCOVERY_SEMAPHORE
 #cmakedefine UA_ENABLE_UNIT_TEST_FAILURE_HOOKS
+#cmakedefine UA_ENABLE_VALGRIND_INTERACTIVE
+#define UA_VALGRIND_INTERACTIVE_INTERVAL ${UA_VALGRIND_INTERACTIVE_INTERVAL}
 
 /* Options for Debugging */
 #cmakedefine UA_DEBUG

src/server/ua_server_worker.c

@@ -448,9 +448,16 @@ UA_Server_run(UA_Server *server, volatile UA_Boolean *running) {
     UA_StatusCode retval = UA_Server_run_startup(server);
     if(retval != UA_STATUSCODE_GOOD)
         return retval;
+#ifdef UA_ENABLE_VALGRIND_INTERACTIVE
+    size_t loopCount = 0;
+#endif
     while(*running) {
 #ifdef UA_ENABLE_VALGRIND_INTERACTIVE
-        VALGRIND_DO_LEAK_CHECK;
+        if(loopCount == 0) {
+            VALGRIND_DO_LEAK_CHECK;
+        }
+        ++loopCount;
+        loopCount %= UA_VALGRIND_INTERACTIVE_INTERVAL;
 #endif
         UA_Server_run_iterate(server, true);
     }