drop DFS_USE_DTX counter

Author: Shane Snyder

darshan-runtime/lib/darshan-dfs.c

@@ -228,7 +228,6 @@ static int my_rank = -1;
 #define DFS_RECORD_FILE_OBJREF_OPEN(__rec_ref, __counter, __obj_p, __tm1, __tm2) do { \
     if(!__rec_ref) break; \
     __rec_ref->file_rec->counters[__counter] += 1; \
-    if(getenv("DFS_USE_DTX")) __rec_ref->file_rec->counters[DFS_USE_DTX] = 1; \
     if(__rec_ref->file_rec->fcounters[DFS_F_OPEN_START_TIMESTAMP] == 0 || \
         __rec_ref->file_rec->fcounters[DFS_F_OPEN_START_TIMESTAMP] > __tm1) \
         __rec_ref->file_rec->fcounters[DFS_F_OPEN_START_TIMESTAMP] = __tm1; \
@@ -1022,7 +1021,6 @@ static void dfs_record_reduction_op(
         }
 
         tmp_file.counters[DFS_CHUNK_SIZE] = infile->counters[DFS_CHUNK_SIZE];
-        tmp_file.counters[DFS_USE_DTX] = infile->counters[DFS_USE_DTX];
 
         /* min non-zero (if available) value */
         for(j=DFS_F_OPEN_START_TIMESTAMP; j<=DFS_F_CLOSE_START_TIMESTAMP; j++)

darshan-util/darshan-dfs-logutils.c

@@ -246,7 +246,6 @@ static void darshan_log_print_dfs_description(int ver)
     printf("#   DFS_ACCESS*_ACCESS: the four most common access sizes.\n");
     printf("#   DFS_ACCESS*_COUNT: count of the four most common access sizes.\n");
     printf("#   DFS_CHUNK_SIZE: DFS file chunk size.\n");
-    printf("#   DFS_USE_DTX: whether DFS distributed transactions are used.\n");
     printf("#   DFS_*_RANK: rank of the processes that were the fastest and slowest at I/O (for shared files).\n");
     printf("#   DFS_*_RANK_BYTES: bytes transferred by the fastest and slowest ranks (for shared files).\n");
     printf("#   DFS_F_*_START_TIMESTAMP: timestamp of first open/read/write/close.\n");
@@ -445,7 +444,6 @@ static void darshan_log_agg_dfs_files(void *rec, void *agg_rec, int init_flag)
                     agg_dfs_rec->counters[i] = -1;
                 break;
             case DFS_CHUNK_SIZE:
-            case DFS_USE_DTX:
                 /* just set to the input value */
                 agg_dfs_rec->counters[i] = dfs_rec->counters[i];
                 break;

darshan-util/pydarshan/darshan/tests/test_report.py

@@ -108,11 +108,9 @@ def test_dfs_daos_posix_match():
             # or we need to handle the data differently between POSIX
             # and DAOS DFS
             if column_name in ["id", "DFS_LOOKUPS", "DFS_NB_READS", "DFS_NB_WRITES",
-                               "DFS_GET_SIZES", "DFS_PUNCHES", "DFS_MOVES",
-                               "DFS_EXCHANGES",
-                               "DFS_STATS",
-                               "DFS_CHUNK_SIZE", "DFS_USE_DTX", "DFS_FASTEST_RANK",
-                               "DFS_SLOWEST_RANK"]:
+                               "DFS_GET_SIZES", "DFS_PUNCHES", "DFS_STATS",
+                               "DFS_CHUNK_SIZE",
+                               "DFS_FASTEST_RANK", "DFS_SLOWEST_RANK"]:
                 continue
             elif "time" in column_name.lower():
                 # you can't reasonably expect the timestamps to be the

include/darshan-dfs-log-format.h

@@ -82,8 +82,6 @@
     X(DFS_ACCESS4_COUNT) \
     /* dfs file chunk size */\
     X(DFS_CHUNK_SIZE) \
-    /* whether dfs distributed transactions are used */\
-    X(DFS_USE_DTX) \
     /* rank and number of bytes moved for fastest/slowest ranks */\
     X(DFS_FASTEST_RANK) \
     X(DFS_FASTEST_RANK_BYTES) \