OSHMEM: optimize print to spend less of formatting when not needed

fixed by Roman, reviewed by Miked
cmr=v1.8.2:reviewer=ompi-rm1.8

This commit was SVN r31818.

oshmem/util/oshmem_util.c

@@ -24,6 +24,7 @@ void oshmem_output_verbose(int level, int output_id, const char* prefix,
     char *buff, *str;
     int ret;
 
+    if (level < opal_output_get_verbosity(output_id)) {
         UNREFERENCED_PARAMETER(ret);
 
         va_start(args, format);
@@ -34,12 +35,13 @@ void oshmem_output_verbose(int level, int output_id, const char* prefix,
         ret = asprintf(&buff, "%s %s", prefix, str);
         assert(-1 != ret);
 
-    opal_output_verbose(level, output_id, buff, file, line, function);
+        opal_output(output_id, buff, file, line, function);
 
         va_end(args);
 
         free(buff);
         free(str);
+    }
 }
 
 void oshmem_output(int output_id, const char* prefix, const char* file,