move tracing for smpi collectives to a place where inputs are already sanitized

diff --git a/src/smpi/smpi_pmpi.c b/src/smpi/smpi_pmpi.c
index d4b259d..c070747 100644 (file)
--- a/src/smpi/smpi_pmpi.c
+++ b/src/smpi/smpi_pmpi.c
@@ -1671,22 +1671,24 @@ int PMPI_Bcast(void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm c
   int retval = 0;
 
   smpi_bench_end();
+
+  if (comm == MPI_COMM_NULL) {
+    retval = MPI_ERR_COMM;
+  } else {
 #ifdef HAVE_TRACING
   int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
   TRACE_smpi_computing_out(rank);
   int root_traced = smpi_group_index(smpi_comm_group(comm), root);
   TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__, count*smpi_datatype_size(datatype));
 #endif
-  if (comm == MPI_COMM_NULL) {
-    retval = MPI_ERR_COMM;
-  } else {
     mpi_coll_bcast_fun(buf, count, datatype, root, comm);
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -1696,21 +1698,23 @@ int PMPI_Barrier(MPI_Comm comm)
   int retval = 0;
 
   smpi_bench_end();
+
+  if (comm == MPI_COMM_NULL) {
+    retval = MPI_ERR_COMM;
+  } else {
 #ifdef HAVE_TRACING
   int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
   TRACE_smpi_computing_out(rank);
   TRACE_smpi_collective_in(rank, -1, __FUNCTION__, smpi_comm_size(comm));
 #endif
-  if (comm == MPI_COMM_NULL) {
-    retval = MPI_ERR_COMM;
-  } else {
     mpi_coll_barrier_fun(comm);
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -1722,12 +1726,7 @@ int PMPI_Gather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  int root_traced = smpi_group_index(smpi_comm_group(comm), root);
-  TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__,sendcount*smpi_datatype_size(sendtype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if ((( sendbuf != MPI_IN_PLACE) && (sendtype == MPI_DATATYPE_NULL)) ||
@@ -1745,17 +1744,23 @@ int PMPI_Gather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
       sendtmpcount=0;
       sendtmptype=recvtype;
     }
-
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  int root_traced = smpi_group_index(smpi_comm_group(comm), root);
+  TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__,sendcount*smpi_datatype_size(sendtmptype));
+#endif
     mpi_coll_gather_fun(sendtmpbuf, sendtmpcount, sendtmptype, recvbuf, recvcount,
                     recvtype, root, comm);
 
 
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -1767,12 +1772,7 @@ int PMPI_Gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  int root_traced = smpi_group_index(smpi_comm_group(comm), root);
-  TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__,sendcount*smpi_datatype_size(sendtype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if ((( sendbuf != MPI_IN_PLACE) && (sendtype == MPI_DATATYPE_NULL)) ||
@@ -1783,7 +1783,6 @@ int PMPI_Gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
   } else if (recvcounts == NULL || displs == NULL) {
     retval = MPI_ERR_ARG;
   } else {
-
     char* sendtmpbuf = (char*) sendbuf;
     int sendtmpcount = sendcount;
     MPI_Datatype sendtmptype = sendtype;
@@ -1792,14 +1791,21 @@ int PMPI_Gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
       sendtmptype=recvtype;
     }
 
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  int root_traced = smpi_group_index(smpi_comm_group(comm), root);
+  TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__,sendcount*smpi_datatype_size(sendtmptype));
+#endif
     smpi_mpi_gatherv(sendtmpbuf, sendtmpcount, sendtmptype, recvbuf, recvcounts,
                      displs, recvtype, root, comm);
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -1811,11 +1817,7 @@ int PMPI_Allgather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  TRACE_smpi_collective_in(rank, -1, __FUNCTION__,sendcount*smpi_datatype_size(sendtype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if ((( sendbuf != MPI_IN_PLACE) && (sendtype == MPI_DATATYPE_NULL)) ||
@@ -1825,20 +1827,24 @@ int PMPI_Allgather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
             (recvcount <0)){
     retval = MPI_ERR_COUNT;
   } else {
-
     if(sendbuf == MPI_IN_PLACE) {
       sendbuf=((char*)recvbuf)+smpi_datatype_get_extent(recvtype)*recvcount*smpi_comm_rank(comm);
       sendcount=recvcount;
       sendtype=recvtype;
     }
-
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  TRACE_smpi_collective_in(rank, -1, __FUNCTION__,sendcount*smpi_datatype_size(sendtype));
+#endif
     mpi_coll_allgather_fun(sendbuf, sendcount, sendtype, recvbuf, recvcount,
                            recvtype, comm);
     retval = MPI_SUCCESS;
-  }
+
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
 #endif
+  }
   smpi_bench_begin();
   return retval;
 }
@@ -1850,11 +1856,7 @@ int PMPI_Allgatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  TRACE_smpi_collective_in(rank, -1, __FUNCTION__,sendcount*smpi_datatype_size(sendtype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if ((( sendbuf != MPI_IN_PLACE) && (sendtype == MPI_DATATYPE_NULL)) ||
@@ -1871,15 +1873,20 @@ int PMPI_Allgatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
       sendcount=recvcounts[smpi_comm_rank(comm)];
       sendtype=recvtype;
     }
-
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  TRACE_smpi_collective_in(rank, -1, __FUNCTION__,sendcount*smpi_datatype_size(sendtype));
+#endif
     mpi_coll_allgatherv_fun(sendbuf, sendcount, sendtype, recvbuf, recvcounts,
                         displs, recvtype, comm);
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -1891,31 +1898,34 @@ int PMPI_Scatter(void *sendbuf, int sendcount, MPI_Datatype sendtype,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  int root_traced = smpi_group_index(smpi_comm_group(comm), root);
 
-  TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__,sendcount*smpi_datatype_size(sendtype));
-#endif
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if (((smpi_comm_rank(comm)==root) && (sendtype == MPI_DATATYPE_NULL))
              || ((recvbuf !=MPI_IN_PLACE) && (recvtype == MPI_DATATYPE_NULL))) {
     retval = MPI_ERR_TYPE;
   } else {
+
     if (recvbuf == MPI_IN_PLACE) {
         recvtype=sendtype;
         recvcount=sendcount;
     }
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  int root_traced = smpi_group_index(smpi_comm_group(comm), root);
+
+  TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__,sendcount*smpi_datatype_size(recvtype));
+#endif
     mpi_coll_scatter_fun(sendbuf, sendcount, sendtype, recvbuf, recvcount,
                      recvtype, root, comm);
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -1927,14 +1937,7 @@ int PMPI_Scatterv(void *sendbuf, int *sendcounts, int *displs,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  int root_traced = smpi_group_index(smpi_comm_group(comm), root);
-  int count=0, i;
-  for(i=0; i<smpi_comm_size(comm);i++)count+=sendcounts[i];
-  TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__, count*smpi_datatype_size(sendtype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if (sendcounts == NULL || displs == NULL) {
@@ -1947,14 +1950,23 @@ int PMPI_Scatterv(void *sendbuf, int *sendcounts, int *displs,
         recvtype=sendtype;
         recvcount=sendcounts[smpi_comm_rank(comm)];
     }
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  int root_traced = smpi_group_index(smpi_comm_group(comm), root);
+  int count=0, i;
+  for(i=0; i<smpi_comm_size(comm);i++)count+=sendcounts[i];
+  TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__, count*smpi_datatype_size(sendtype));
+#endif
     smpi_mpi_scatterv(sendbuf, sendcounts, displs, sendtype, recvbuf,
                       recvcount, recvtype, root, comm);
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -1965,26 +1977,27 @@ int PMPI_Reduce(void *sendbuf, void *recvbuf, int count,
   int retval = 0;
 
   smpi_bench_end();
+
+  if (comm == MPI_COMM_NULL) {
+    retval = MPI_ERR_COMM;
+  } else if (datatype == MPI_DATATYPE_NULL || op == MPI_OP_NULL) {
+    retval = MPI_ERR_ARG;
+  } else {
 #ifdef HAVE_TRACING
   int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
   TRACE_smpi_computing_out(rank);
   int root_traced = smpi_group_index(smpi_comm_group(comm), root);
   TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__, count*smpi_datatype_size(datatype));
 #endif
-  if (comm == MPI_COMM_NULL) {
-    retval = MPI_ERR_COMM;
-  } else if (datatype == MPI_DATATYPE_NULL || op == MPI_OP_NULL) {
-    retval = MPI_ERR_ARG;
-  } else {
-
     mpi_coll_reduce_fun(sendbuf, recvbuf, count, datatype, op, root, comm);
 
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -2010,11 +2023,7 @@ int PMPI_Allreduce(void *sendbuf, void *recvbuf, int count,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, count*smpi_datatype_size(datatype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if (datatype == MPI_DATATYPE_NULL) {
@@ -2028,7 +2037,11 @@ int PMPI_Allreduce(void *sendbuf, void *recvbuf, int count,
       sendtmpbuf = (char *)xbt_malloc(count*smpi_datatype_get_extent(datatype));
       smpi_datatype_copy(recvbuf, count, datatype,sendtmpbuf, count, datatype);
     }
-
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, count*smpi_datatype_size(datatype));
+#endif
     mpi_coll_allreduce_fun(sendtmpbuf, recvbuf, count, datatype, op, comm);
 
     if( sendbuf == MPI_IN_PLACE ) {
@@ -2036,12 +2049,12 @@ int PMPI_Allreduce(void *sendbuf, void *recvbuf, int count,
     }
 
     retval = MPI_SUCCESS;
-
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -2052,11 +2065,7 @@ int PMPI_Scan(void *sendbuf, void *recvbuf, int count,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, count*smpi_datatype_size(datatype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if (datatype == MPI_DATATYPE_NULL) {
@@ -2064,13 +2073,19 @@ int PMPI_Scan(void *sendbuf, void *recvbuf, int count,
   } else if (op == MPI_OP_NULL) {
     retval = MPI_ERR_OP;
   } else {
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, count*smpi_datatype_size(datatype));
+#endif
     smpi_mpi_scan(sendbuf, recvbuf, count, datatype, op, comm);
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -2080,11 +2095,7 @@ int PMPI_Exscan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, count*smpi_datatype_size(datatype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if (datatype == MPI_DATATYPE_NULL) {
@@ -2092,13 +2103,19 @@ int PMPI_Exscan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
   } else if (op == MPI_OP_NULL) {
     retval = MPI_ERR_OP;
   } else {
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, count*smpi_datatype_size(datatype));
+#endif
     smpi_mpi_exscan(sendbuf, recvbuf, count, datatype, op, comm);
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -2108,13 +2125,7 @@ int PMPI_Reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
 {
   int retval = 0;
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  int count=0, i;
-  for(i=0; i<smpi_comm_size(comm);i++)count+=recvcounts[i];
-  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, count*smpi_datatype_size(datatype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if (datatype == MPI_DATATYPE_NULL) {
@@ -2124,6 +2135,13 @@ int PMPI_Reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
   } else if (recvcounts == NULL) {
     retval = MPI_ERR_ARG;
   } else {
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  int count=0, i;
+  for(i=0; i<smpi_comm_size(comm);i++)count+=recvcounts[i];
+  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, count*smpi_datatype_size(datatype));
+#endif
     void* sendtmpbuf=sendbuf;
     if(sendbuf==MPI_IN_PLACE){
       sendtmpbuf=recvbuf;
@@ -2132,11 +2150,12 @@ int PMPI_Reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
     mpi_coll_reduce_scatter_fun(sendtmpbuf, recvbuf, recvcounts,
                        datatype,  op, comm);
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -2146,11 +2165,7 @@ int PMPI_Reduce_scatter_block(void *sendbuf, void *recvbuf, int recvcount,
 {
   int retval,i;
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, recvcount*smpi_comm_size(comm)*smpi_datatype_size(datatype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if (datatype == MPI_DATATYPE_NULL) {
@@ -2160,6 +2175,11 @@ int PMPI_Reduce_scatter_block(void *sendbuf, void *recvbuf, int recvcount,
   } else if (recvcount < 0) {
     retval = MPI_ERR_ARG;
   } else {
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, recvcount*smpi_comm_size(comm)*smpi_datatype_size(datatype));
+#endif
     int count=smpi_comm_size(comm);
     int* recvcounts=(int*)xbt_malloc(count);
     for (i=0; i<count;i++)recvcounts[i]=recvcount;
@@ -2167,11 +2187,12 @@ int PMPI_Reduce_scatter_block(void *sendbuf, void *recvbuf, int recvcount,
                        datatype,  op, comm);
     xbt_free(recvcounts);
     retval = MPI_SUCCESS;
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -2183,23 +2204,25 @@ int PMPI_Alltoall(void *sendbuf, int sendcount, MPI_Datatype sendtype,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, sendcount*smpi_datatype_size(sendtype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if (sendtype == MPI_DATATYPE_NULL
              || recvtype == MPI_DATATYPE_NULL) {
     retval = MPI_ERR_TYPE;
   } else {
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, sendcount*smpi_datatype_size(sendtype));
+#endif
     retval = mpi_coll_alltoall_fun(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm);
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }
@@ -2211,13 +2234,7 @@ int PMPI_Alltoallv(void *sendbuf, int *sendcounts, int *senddisps,
   int retval = 0;
 
   smpi_bench_end();
-#ifdef HAVE_TRACING
-  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
-  TRACE_smpi_computing_out(rank);
-  int i, size=0;
-  for(i=0; i< smpi_comm_size(comm);i++)size+=sendcounts[i];
-  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, size*smpi_datatype_size(sendtype));
-#endif
+
   if (comm == MPI_COMM_NULL) {
     retval = MPI_ERR_COMM;
   } else if (sendtype == MPI_DATATYPE_NULL
@@ -2227,15 +2244,23 @@ int PMPI_Alltoallv(void *sendbuf, int *sendcounts, int *senddisps,
              || recvdisps == NULL) {
     retval = MPI_ERR_ARG;
   } else {
+#ifdef HAVE_TRACING
+  int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
+  TRACE_smpi_computing_out(rank);
+  int i, size=0;
+  for(i=0; i< smpi_comm_size(comm);i++)size+=sendcounts[i];
+  TRACE_smpi_collective_in(rank, -1, __FUNCTION__, size*smpi_datatype_size(sendtype));
+#endif
     retval =
         mpi_coll_alltoallv_fun(sendbuf, sendcounts, senddisps, sendtype,
                                   recvbuf, recvcounts, recvdisps, recvtype,
                                   comm);
-  }
 #ifdef HAVE_TRACING
   TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
   TRACE_smpi_computing_in(rank);
 #endif
+  }
+
   smpi_bench_begin();
   return retval;
 }