Merge branch 'develop' into openmpi_tweaks

1 files changed, 212 insertions, 251 deletions

diff --git a/testpar/t_cache.c b/testpar/t_cache.c
index da83884..7488728 100644
--- a/testpar/t_cache.c
+++ b/testpar/t_cache.c
@@ -467,9 +467,7 @@ static void lock_and_unlock_random_entry(H5F_t * file_ptr,
 static void lock_entry(H5F_t * file_ptr, int32_t idx);
 static void mark_entry_dirty(int32_t idx);
 static void pin_entry(H5F_t * file_ptr, int32_t idx, hbool_t global, hbool_t dirty);
-#ifdef H5_METADATA_TRACE_FILE
 static void pin_protected_entry(int32_t idx, hbool_t global);
-#endif /* H5_METADATA_TRACE_FILE */
 static void move_entry(H5F_t * file_ptr, int32_t old_idx, int32_t new_idx);
 static hbool_t reset_server_counts(void);
 static void resize_entry(int32_t idx, size_t  new_size);
@@ -3693,7 +3691,6 @@ pin_entry(H5F_t * file_ptr,
 
 } /* pin_entry() */
 
-#ifdef H5_METADATA_TRACE_FILE
 
 /*****************************************************************************
  * Function:    pin_protected_entry()
@@ -3762,7 +3759,6 @@ pin_protected_entry(int32_t idx,
     return;
 
 } /* pin_protected_entry() */
-#endif /* H5_METADATA_TRACE_FILE */
 
 
 /*****************************************************************************
@@ -6809,8 +6805,6 @@ smoke_check_5(int metadata_write_strategy)
  *                    - H5AC_expunge_entry()
  *                    - H5AC_resize_entry()
  *
- *              This test is skipped if H5_METADATA_TRACE_FILE is undefined.
- *
  * Return:    Success:    TRUE
  *
  *        Failure:    FALSE
@@ -6823,63 +6817,63 @@ trace_file_check(int metadata_write_strategy)
 {
     hbool_t success = TRUE;
 
-#ifdef H5_METADATA_TRACE_FILE
-
     const char *((* expected_output)[]) = NULL;
     const char * expected_output_0[] =
     {
       "### HDF5 metadata cache trace file version 1 ###\n",
-      "H5AC_set_cache_auto_resize_config 1 0 1 0 \"t_cache_trace.txt\" 1 0 2097152 0.300000 33554432 1048576 50000 1 0.900000 2.000000 1 1.000000 0.250000 1 4194304 3 0.999000 0.900000 1 1048576 3 1 0.100000 262144 0 0\n",
-      "H5AC_insert_entry 0x400 27 0x0 2 0\n",
-      "H5AC_insert_entry 0x402 27 0x0 2 0\n",
-      "H5AC_insert_entry 0x404 27 0x0 4 0\n",
-      "H5AC_insert_entry 0x408 27 0x0 6 0\n",
-      "H5AC_protect 0x400 27 0x0 2 1\n",
-      "H5AC_mark_entry_dirty 0x400 0\n",
-      "H5AC_unprotect 0x400 27 0x0 0\n",
-      "H5AC_protect 0x402 27 0x0 2 1\n",
-      "H5AC_pin_protected_entry 0x402 0\n",
-      "H5AC_unprotect 0x402 27 0x0 0\n",
-      "H5AC_unpin_entry 0x402 0\n",
-      "H5AC_expunge_entry 0x402 27 0\n",
-      "H5AC_protect 0x404 27 0x0 4 1\n",
-      "H5AC_pin_protected_entry 0x404 0\n",
-      "H5AC_unprotect 0x404 27 0x0 0\n",
-      "H5AC_mark_entry_dirty 0x404 0\n",
-      "H5AC_resize_entry 0x404 2 0\n",
-      "H5AC_resize_entry 0x404 4 0\n",
-      "H5AC_unpin_entry 0x404 0\n",
-      "H5AC_move_entry 0x400 0x8e65 27 0\n",
-      "H5AC_move_entry 0x8e65 0x400 27 0\n",
-      "H5AC_flush 0\n",
+      "H5AC_set_cache_auto_resize_config",
+      "H5AC_insert_entry",
+      "H5AC_insert_entry",
+      "H5AC_insert_entry",
+      "H5AC_insert_entry",
+      "H5AC_protect",
+      "H5AC_mark_entry_dirty",
+      "H5AC_unprotect",
+      "H5AC_protect",
+      "H5AC_pin_protected_entry",
+      "H5AC_unprotect",
+      "H5AC_unpin_entry",
+      "H5AC_expunge_entry",
+      "H5AC_protect",
+      "H5AC_pin_protected_entry",
+      "H5AC_unprotect",
+      "H5AC_mark_entry_dirty",
+      "H5AC_resize_entry",
+      "H5AC_resize_entry",
+      "H5AC_unpin_entry",
+      "H5AC_move_entry",
+      "H5AC_move_entry",
+      "H5AC_flush",
+      "H5AC_flush",
       NULL
     };
     const char * expected_output_1[] =
     {
       "### HDF5 metadata cache trace file version 1 ###\n",
-      "H5AC_set_cache_auto_resize_config 1 0 1 0 \"t_cache_trace.txt\" 1 0 2097152 0.300000 33554432 1048576 50000 1 0.900000 2.000000 1 1.000000 0.250000 1 4194304 3 0.999000 0.900000 1 1048576 3 1 0.100000 262144 1 0\n",
-      "H5AC_insert_entry 0x400 27 0x0 2 0\n",
-      "H5AC_insert_entry 0x402 27 0x0 2 0\n",
-      "H5AC_insert_entry 0x404 27 0x0 4 0\n",
-      "H5AC_insert_entry 0x408 27 0x0 6 0\n",
-      "H5AC_protect 0x400 27 0x0 2 1\n",
-      "H5AC_mark_entry_dirty 0x400 0\n",
-      "H5AC_unprotect 0x400 27 0x0 0\n",
-      "H5AC_protect 0x402 27 0x0 2 1\n",
-      "H5AC_pin_protected_entry 0x402 0\n",
-      "H5AC_unprotect 0x402 27 0x0 0\n",
-      "H5AC_unpin_entry 0x402 0\n",
-      "H5AC_expunge_entry 0x402 27 0\n",
-      "H5AC_protect 0x404 27 0x0 4 1\n",
-      "H5AC_pin_protected_entry 0x404 0\n",
-      "H5AC_unprotect 0x404 27 0x0 0\n",
-      "H5AC_mark_entry_dirty 0x404 0\n",
-      "H5AC_resize_entry 0x404 2 0\n",
-      "H5AC_resize_entry 0x404 4 0\n",
-      "H5AC_unpin_entry 0x404 0\n",
-      "H5AC_move_entry 0x400 0x8e65 27 0\n",
-      "H5AC_move_entry 0x8e65 0x400 27 0\n",
-      "H5AC_flush 0\n",
+      "H5AC_set_cache_auto_resize_config",
+      "H5AC_insert_entry",
+      "H5AC_insert_entry",
+      "H5AC_insert_entry",
+      "H5AC_insert_entry",
+      "H5AC_protect",
+      "H5AC_mark_entry_dirty",
+      "H5AC_unprotect",
+      "H5AC_protect",
+      "H5AC_pin_protected_entry",
+      "H5AC_unprotect",
+      "H5AC_unpin_entry",
+      "H5AC_expunge_entry",
+      "H5AC_protect",
+      "H5AC_pin_protected_entry",
+      "H5AC_unprotect",
+      "H5AC_mark_entry_dirty",
+      "H5AC_resize_entry",
+      "H5AC_resize_entry",
+      "H5AC_unpin_entry",
+      "H5AC_move_entry",
+      "H5AC_move_entry",
+      "H5AC_flush",
+      "H5AC_flush",
       NULL
     };
     char buffer[256];
@@ -6887,8 +6881,8 @@ trace_file_check(int metadata_write_strategy)
     hbool_t done = FALSE;
     int i;
     int max_nerrors;
-    int expected_line_len;
-    int actual_line_len;
+    size_t expected_line_len;
+    size_t actual_line_len;
     hid_t fid = -1;
     H5F_t * file_ptr = NULL;
     H5C_t * cache_ptr = NULL;
@@ -6896,188 +6890,151 @@ trace_file_check(int metadata_write_strategy)
     H5AC_cache_config_t config;
     struct mssg_t mssg;
 
-#endif /* H5_METADATA_TRACE_FILE */
 
-    switch ( metadata_write_strategy ) {
+    switch(metadata_write_strategy) {
+
+        case H5AC_METADATA_WRITE_STRATEGY__PROCESS_0_ONLY:
 
-    case H5AC_METADATA_WRITE_STRATEGY__PROCESS_0_ONLY:
-#ifdef H5_METADATA_TRACE_FILE
             expected_output = &expected_output_0;
-#endif /* H5_METADATA_TRACE_FILE */
-            if ( world_mpi_rank == 0 ) {
-            TESTING(
-            "trace file collection -- process 0 only md write strategy");
-            }
-        break;
 
-    case H5AC_METADATA_WRITE_STRATEGY__DISTRIBUTED:
-#ifdef H5_METADATA_TRACE_FILE
+            if(world_mpi_rank == 0)
+                TESTING("trace file collection -- process 0 only md write strategy");
+            break;
+
+        case H5AC_METADATA_WRITE_STRATEGY__DISTRIBUTED:
+
             expected_output = &expected_output_1;
-#endif /* H5_METADATA_TRACE_FILE */
-            if ( world_mpi_rank == 0 ) {
-            TESTING(
-            "trace file collection -- distributed md write strategy");
-            }
-        break;
+
+            if(world_mpi_rank == 0)
+                TESTING("trace file collection -- distributed md write strategy");
+            break;
 
         default:
-#ifdef H5_METADATA_TRACE_FILE
+
             /* this will almost certainly cause a failure, but it keeps us
              * from de-referenceing a NULL pointer.
              */
             expected_output = &expected_output_0;
-#endif /* H5_METADATA_TRACE_FILE */
-            if ( world_mpi_rank == 0 ) {
-            TESTING("trace file collection -- unknown md write strategy");
-            }
-        break;
-    }
 
-#ifdef H5_METADATA_TRACE_FILE
+            if(world_mpi_rank == 0)
+                TESTING("trace file collection -- unknown md write strategy");
+            break;
+    } /* end switch */
+
 
     nerrors = 0;
     init_data();
     reset_stats();
 
-    if ( world_mpi_rank == world_server_mpi_rank ) {
+    if(world_mpi_rank == world_server_mpi_rank) {
 
-    if ( ! server_main() ) {
+        if(!server_main()) {
 
             /* some error occured in the server -- report failure */
             nerrors++;
-            if ( verbose ) {
-        HDfprintf(stdout, "%d:%s: server_main() failed.\n",
-                          world_mpi_rank, FUNC);
-            }
+            if ( verbose )
+                HDfprintf(stdout, "%d:%s: server_main() failed.\n", world_mpi_rank, FUNC);
         }
     }
-    else /* run the clients */
-    {
+    else {
+        /* run the clients */
 
-        if ( ! setup_cache_for_test(&fid, &file_ptr, &cache_ptr,
-                                    metadata_write_strategy) ) {
+        if(!setup_cache_for_test(&fid, &file_ptr, &cache_ptr, metadata_write_strategy) ) {
 
             nerrors++;
             fid = -1;
             cache_ptr = NULL;
-            if ( verbose ) {
-        HDfprintf(stdout, "%d:%s: setup_cache_for_test() failed.\n",
-                          world_mpi_rank, FUNC);
-            }
+            if(verbose)
+                HDfprintf(stdout, "%d:%s: setup_cache_for_test() failed.\n", world_mpi_rank, FUNC);
         }
 
-        if ( nerrors == 0 ) {
+        if(nerrors == 0) {
 
             config.version = H5AC__CURR_CACHE_CONFIG_VERSION;
 
-            if ( H5AC_get_cache_auto_resize_config(cache_ptr, &config)
-                 != SUCCEED ) {
-
-        nerrors++;
-            HDfprintf(stdout,
-                        "%d:%s: H5AC_get_cache_auto_resize_config() failed.\n",
-                        world_mpi_rank, FUNC);
-
-            } else {
-
+            if(H5AC_get_cache_auto_resize_config(cache_ptr, &config) != SUCCEED) {
+                nerrors++;
+                HDfprintf(stdout, "%d:%s: H5AC_get_cache_auto_resize_config() failed.\n", world_mpi_rank, FUNC);
+            }
+            else {
                 config.open_trace_file = TRUE;
-        strcpy(config.trace_file_name, "t_cache_trace.txt");
+                strcpy(config.trace_file_name, "t_cache_trace.txt");
 
-                if ( H5AC_set_cache_auto_resize_config(cache_ptr, &config)
-            != SUCCEED ) {
-
-            nerrors++;
-                HDfprintf(stdout,
-                         "%d:%s: H5AC_set_cache_auto_resize_config() failed.\n",
-                          world_mpi_rank, FUNC);
+                if(H5AC_set_cache_auto_resize_config(cache_ptr, &config) != SUCCEED) {
+                    nerrors++;
+                    HDfprintf(stdout, "%d:%s: H5AC_set_cache_auto_resize_config() failed.\n", world_mpi_rank, FUNC);
                 }
             }
-        }
+        } /* end if */
 
-    insert_entry(cache_ptr, file_ptr, 0, H5AC__NO_FLAGS_SET);
-    insert_entry(cache_ptr, file_ptr, 1, H5AC__NO_FLAGS_SET);
-    insert_entry(cache_ptr, file_ptr, 2, H5AC__NO_FLAGS_SET);
-    insert_entry(cache_ptr, file_ptr, 3, H5AC__NO_FLAGS_SET);
+        insert_entry(cache_ptr, file_ptr, 0, H5AC__NO_FLAGS_SET);
+        insert_entry(cache_ptr, file_ptr, 1, H5AC__NO_FLAGS_SET);
+        insert_entry(cache_ptr, file_ptr, 2, H5AC__NO_FLAGS_SET);
+        insert_entry(cache_ptr, file_ptr, 3, H5AC__NO_FLAGS_SET);
 
-    lock_entry(file_ptr, 0);
-    mark_entry_dirty(0);
-    unlock_entry(file_ptr, 0, H5AC__NO_FLAGS_SET);
+        lock_entry(file_ptr, 0);
+        mark_entry_dirty(0);
+        unlock_entry(file_ptr, 0, H5AC__NO_FLAGS_SET);
 
-    lock_entry(file_ptr, 1);
+        lock_entry(file_ptr, 1);
         pin_protected_entry(1, TRUE);
-    unlock_entry(file_ptr, 1, H5AC__NO_FLAGS_SET);
+        unlock_entry(file_ptr, 1, H5AC__NO_FLAGS_SET);
         unpin_entry(file_ptr, 1, TRUE, FALSE, FALSE);
 
         expunge_entry(file_ptr, 1);
 
-    lock_entry(file_ptr, 2);
+        lock_entry(file_ptr, 2);
         pin_protected_entry(2, TRUE);
-    unlock_entry(file_ptr, 2, H5AC__NO_FLAGS_SET);
-    mark_entry_dirty(2);
+        unlock_entry(file_ptr, 2, H5AC__NO_FLAGS_SET);
+        mark_entry_dirty(2);
         resize_entry(2, data[2].len / 2);
         resize_entry(2, data[2].len);
         unpin_entry(file_ptr, 2, TRUE, FALSE, FALSE);
 
-    move_entry(file_ptr, 0, 20);
-    move_entry(file_ptr, 0, 20);
+        move_entry(file_ptr, 0, 20);
+        move_entry(file_ptr, 0, 20);
 
-        if ( H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0 ) {
+        if(H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0) {
             nerrors++;
-            if ( verbose ) {
-            HDfprintf(stdout, "%d:%s: H5Fflush() failed.\n",
-                          world_mpi_rank, FUNC);
-            }
+            if(verbose)
+                HDfprintf(stdout, "%d:%s: H5Fflush() failed.\n", world_mpi_rank, FUNC);
         }
 
-        if ( nerrors == 0 ) {
-
+        if(nerrors == 0) {
             config.version = H5AC__CURR_CACHE_CONFIG_VERSION;
 
-            if ( H5AC_get_cache_auto_resize_config(cache_ptr, &config)
-                 != SUCCEED ) {
-
-        nerrors++;
-            HDfprintf(stdout,
-                        "%d:%s: H5AC_get_cache_auto_resize_config() failed.\n",
-                        world_mpi_rank, FUNC);
-
-            } else {
-
+            if(H5AC_get_cache_auto_resize_config(cache_ptr, &config) != SUCCEED) {
+                nerrors++;
+                HDfprintf(stdout, "%d:%s: H5AC_get_cache_auto_resize_config() failed.\n", world_mpi_rank, FUNC);
+            }
+            else {
                 config.open_trace_file = FALSE;
                 config.close_trace_file = TRUE;
-        config.trace_file_name[0] = '\0';
+                config.trace_file_name[0] = '\0';
 
-                if ( H5AC_set_cache_auto_resize_config(cache_ptr, &config)
-            != SUCCEED ) {
-
-            nerrors++;
-                HDfprintf(stdout,
-                        "%d:%s: H5AC_set_cache_auto_resize_config() failed.\n",
-                        world_mpi_rank, FUNC);
+                if(H5AC_set_cache_auto_resize_config(cache_ptr, &config) != SUCCEED) {
+                    nerrors++;
+                    HDfprintf(stdout, "%d:%s: H5AC_set_cache_auto_resize_config() failed.\n", world_mpi_rank, FUNC);
                 }
             }
-        }
-
-        if ( fid >= 0 ) {
+        } /* end if */
 
-            if ( ! take_down_cache(fid, cache_ptr) ) {
+        if(fid >= 0) {
+            if(!take_down_cache(fid, cache_ptr)) {
 
                 nerrors++;
-                if ( verbose ) {
-            HDfprintf(stdout, "%d:%s: take_down_cache() failed.\n",
-                              world_mpi_rank, FUNC);
-                }
+                if(verbose)
+                    HDfprintf(stdout, "%d:%s: take_down_cache() failed.\n", world_mpi_rank, FUNC);
             }
-        }
+        } /* end if */
 
         /* verify that all instance of datum are back where the started
          * and are clean.
          */
 
-        for ( i = 0; i < NUM_DATA_ENTRIES; i++ )
-        {
-            HDassert( data_index[i] == i );
-            HDassert( ! (data[i].dirty) );
+        for(i = 0; i < NUM_DATA_ENTRIES; i++) {
+            HDassert(data_index[i] == i);
+            HDassert(!(data[i].dirty));
         }
 
         /* compose the done message */
@@ -7091,117 +7048,121 @@ trace_file_check(int metadata_write_strategy)
         mssg.count     = 0; /* not used */
         mssg.magic     = MSSG_MAGIC;
 
-        if ( success ) {
-
+        if(success) {
             success = send_mssg(&mssg, FALSE);
 
-            if ( ! success ) {
-
+            if(!success) {
                 nerrors++;
-                if ( verbose ) {
-                    HDfprintf(stdout, "%d:%s: send_mssg() failed on done.\n",
-                              world_mpi_rank, FUNC);
-                }
+                if(verbose)
+                    HDfprintf(stdout, "%d:%s: send_mssg() failed on done.\n", world_mpi_rank, FUNC);
             }
-        }
+        } /* end if */
 
-        if ( nerrors == 0 ) {
+        if(nerrors == 0) {
+            HDsprintf(trace_file_name, "t_cache_trace.txt.%d", (int)file_mpi_rank);
 
-        sprintf(trace_file_name, "t_cache_trace.txt.%d",
-            (int)file_mpi_rank);
-
-        if ( (trace_file_ptr = HDfopen(trace_file_name, "r")) == NULL ) {
+            if((trace_file_ptr = HDfopen(trace_file_name, "r")) == NULL ) {
 
                 nerrors++;
-                if ( verbose ) {
-                    HDfprintf(stdout, "%d:%s: HDfopen failed.\n",
-                              world_mpi_rank, FUNC);
-                }
+                if(verbose)
+                    HDfprintf(stdout, "%d:%s: HDfopen failed.\n", world_mpi_rank, FUNC);
             }
-    }
-
-    i = 0;
-    while ( ( nerrors == 0 ) && ( ! done ) )
-    {
-        if ( (*expected_output)[i] == NULL ) {
-
-        expected_line_len = 0;
-
-        } else {
-
-        expected_line_len = HDstrlen((*expected_output)[i]);
-        }
+        } /* end if */
 
-        if ( HDfgets(buffer, 255, trace_file_ptr) != NULL ) {
 
-            actual_line_len = HDstrlen(buffer);
-
-        } else {
-
-            actual_line_len = 0;
-        }
+        i = 0;
+        while((nerrors == 0) && (!done)) {
+            /* Get lines of actual and expected data */
+            if((*expected_output)[i] == NULL)
+                expected_line_len = (size_t)0;
+            else
+                expected_line_len = HDstrlen((*expected_output)[i]);
+
+            if(HDfgets(buffer, 255, trace_file_ptr) != NULL)
+                actual_line_len = HDstrlen(buffer);
+            else
+                actual_line_len = (size_t)0;
+
+            /* Compare the lines */
+            /* Handle running out of data */
+            if((actual_line_len == 0) || (expected_line_len == 0)) {
+                if((actual_line_len == 0) && (expected_line_len == 0)) {
+                    /* Both ran out at the same time - we're done */
+                    done = TRUE;
+                }
+                else {
+                    /* One ran out before the other - BADNESS */
+                    nerrors++;
+                    if(verbose) {
+                        HDfprintf(stdout, "%d:%s: Unexpected data in trace file line %d.\n", world_mpi_rank, FUNC, i);
+                        if(expected_line_len == 0) {
+                            HDfprintf(stdout, "%d:%s: expected = \"%s\" %d\n", world_mpi_rank, FUNC, "<EMPTY>", expected_line_len);
+                            HDfprintf(stdout, "%d:%s: actual   = \"%s\" %d\n", world_mpi_rank, FUNC, buffer, actual_line_len);
+                        }
+                        if(actual_line_len == 0) {
+                            HDfprintf(stdout, "%d:%s: expected = \"%s\" %d\n", world_mpi_rank, FUNC, (*expected_output)[i], expected_line_len);
+                            HDfprintf(stdout, "%d:%s: actual   = \"%s\" %d\n", world_mpi_rank, FUNC, "<EMPTY>", actual_line_len);
+                        }
+                    }
+                    HDfprintf(stdout, "BADNESS BADNESS BADNESS\n");
+                }
+            }
+            /* We directly compare the header line (line 0) */
+            else if(0 == i) {
+                if((actual_line_len != expected_line_len) || (HDstrcmp(buffer, (*expected_output)[i]) != 0 )) {
 
-        if ( ( actual_line_len == 0 ) && ( expected_line_len == 0 ) ) {
+                    nerrors++;
+                    if(verbose) {
+                        HDfprintf(stdout, "%d:%s: Unexpected data in trace file line %d.\n", world_mpi_rank, FUNC, i);
+                        HDfprintf(stdout, "%d:%s: expected = \"%s\" %d\n", world_mpi_rank, FUNC, (*expected_output)[i], expected_line_len);
+                        HDfprintf(stdout, "%d:%s: actual   = \"%s\" %d\n", world_mpi_rank, FUNC, buffer, actual_line_len);
+                    }
+                }
+            }
+            /* All other lines we tokenize and just compare the function name. This
+             * keeps the test from being too fragile.
+             */
+            else {
+                char *tok = NULL;     /* token for actual line */
 
-            done = TRUE;
+                tok = HDstrtok(buffer, " ");
 
-        } else if ( ( actual_line_len != expected_line_len ) ||
-                ( HDstrcmp(buffer, (*expected_output)[i]) != 0 ) ) {
+                if(HDstrcmp(tok, (*expected_output)[i]) != 0 ) {
 
-            nerrors++;
-                if ( verbose ) {
-                    HDfprintf(stdout,
-                "%d:%s: Unexpected data in trace file line %d.\n",
-                              world_mpi_rank, FUNC, i);
-            HDfprintf(stdout, "%d:%s: expected = \"%s\" %d\n",
-                world_mpi_rank, FUNC, (*expected_output)[i],
-                expected_line_len);
-            HDfprintf(stdout, "%d:%s: actual   = \"%s\" %d\n",
-                world_mpi_rank, FUNC, buffer,
-                actual_line_len);
+                    nerrors++;
+                    if(verbose) {
+                        HDfprintf(stdout, "%d:%s: Unexpected data in trace file line %d.\n", world_mpi_rank, FUNC, i);
+                        HDfprintf(stdout, "%d:%s: expected = \"%s\"\n", world_mpi_rank, FUNC, (*expected_output)[i]);
+                        HDfprintf(stdout, "%d:%s: actual   = \"%s\"\n", world_mpi_rank, FUNC, tok);
+                    }
                 }
-        } else {
-            i++;
-        }
-    }
+            } /* end else */
 
-    if ( trace_file_ptr != NULL ) {
+            i++;
+        } /* end while */
 
-        HDfclose(trace_file_ptr);
-        trace_file_ptr = NULL;
-#if 1
-        HDremove(trace_file_name);
-#endif
+        /* Clean up the trace file */
+        if(trace_file_ptr != NULL) {
+            HDfclose(trace_file_ptr);
+            trace_file_ptr = NULL;
+            HDremove(trace_file_name);
         }
-    }
+    } /* end giant else that runs clients */
 
     max_nerrors = get_max_nerrors();
 
-    if ( world_mpi_rank == 0 ) {
-
-    if ( max_nerrors == 0 ) {
-
-        PASSED();
-
-        } else {
+    if(world_mpi_rank == 0) {
 
+        if(max_nerrors == 0) {
+            PASSED();
+        }
+        else {
             failures++;
             H5_FAILED();
         }
     }
 
-    success = ( ( success ) && ( max_nerrors == 0 ) );
-
-#else /* H5_METADATA_TRACE_FILE */
-
-    if ( world_mpi_rank == 0 ) {
-
-        SKIPPED();
-
-        HDfprintf(stdout, " trace file support disabled.\n");
-    }
-
-#endif /* H5_METADATA_TRACE_FILE */
+    success = ((success) && (max_nerrors == 0));
 
     return(success);