Dbg:Threading: prefix thread names with "smo:" so they group

smocore/marionette/main.cpp

@@ -2,6 +2,7 @@
 #include <config.h>
 #include <cstdlib>
 #include <iostream>
+#include <string>
 #include <exception>
 #include <opts.h>
 #include <typeinfo>
@@ -66,7 +67,8 @@ void marionetteInitializeReqCb(bool success)
 
 void MarionetteThread::main(MarionetteThread& self)
 {
-	pthread_setname_np(pthread_self(), self.name.c_str());
+	std::string threadName = "smo:" + self.name;
+	pthread_setname_np(pthread_self(), threadName.c_str());
     // Wait for CRT's main() to post us the command line args.
     std::cout << __func__ << ": Waiting for command line JOLT" << std::endl;
     self.getIoService().run();