bug fix in counter macros: forgot '+'

darshan-runtime/darshan.h

@@ -75,11 +75,11 @@
 } while(0)
 
 #define DARSHAN_COUNTER_INC(__rec_p, __counter, __value) do{ \
-    (__rec_p)->counters[__counter] = __value; \
+    (__rec_p)->counters[__counter] += __value; \
 } while(0)
 
 #define DARSHAN_COUNTER_F_INC(__rec_p, __counter, __value) do{ \
-    (__rec_p)->fcounters[__counter] = __value; \
+    (__rec_p)->fcounters[__counter] += __value; \
 } while(0)
 
 #define DARSHAN_COUNTER_F_INC_NO_OVERLAP(__rec_p, __tm1, __tm2, __last, __counter) do{ \

darshan-runtime/lib/darshan-posix.c

@@ -601,7 +601,7 @@ static void posix_runtime_initialize()
     {
         .disable_instrumentation = &posix_disable_instrumentation,
         .prepare_for_reduction = &posix_prepare_for_reduction,
-        .record_reduction_op = NULL,//&posix_record_reduction_op,
+        .record_reduction_op = &posix_record_reduction_op,
         .get_output_data = &posix_get_output_data,
         .shutdown = &posix_shutdown
     };