+ case TRACING_GATHERV: // rank gatherv send_size [recvcounts] root (sendtype) (recvtype)
+ fprintf(tracing_file, "%s gatherv %d ", process_id, extra->send_size);
+ for (i = 0; i < extra->num_processes; i++)
+ fprintf(tracing_file, "%d ", extra->recvcounts[i]);
+ fprintf(tracing_file, "%d %s %s\n", extra->root, extra->datatype1, extra->datatype2);
+ break;