src/core/simgrid.c: improve error message

src/core/simgrid.c

@@ -1,7 +1,7 @@
 /* StarPU --- Runtime system for heterogeneous multicore architectures.
  *
  * Copyright (C) 2016,2017                                Inria
- * Copyright (C) 2012,2013,2015-2019                      CNRS
+ * Copyright (C) 2012,2013,2015-2020                      CNRS
  * Copyright (C) 2012-2020                                Université de Bordeaux
  * Copyright (C) 2013                                     Thibaut Lambert
  *
@@ -643,13 +643,13 @@ void _starpu_simgrid_submit_job(int workerid, struct _starpu_job *j, struct star
 		/* This is not useful to include in simulation (and probably
 		 * doesn't have a perfmodel anyway) */
 		return;
-	
+
 	if (isnan(length))
 	{
 		length = starpu_task_expected_length(starpu_task, perf_arch, j->nimpl);
 		STARPU_ASSERT_MSG(!_STARPU_IS_ZERO(length) && !isnan(length),
-				"Codelet %s does not have a perfmodel, or is not calibrated enough, please re-run in non-simgrid mode until it is calibrated",
-			_starpu_job_get_model_name(j));
+				  "Codelet %s does not have a perfmodel (in directory %s), or is not calibrated enough, please re-run in non-simgrid mode until it is calibrated",
+				  _starpu_job_get_model_name(j), _starpu_get_perf_model_dir_codelet());
                 /* TODO: option to add variance according to performance model,
                  * to be able to easily check scheduling robustness */
 	}
@@ -1242,7 +1242,7 @@ void _starpu_simgrid_count_ngpus(void)
 						found = 1;
 						break;
 					}
-					
+
 				if (!found)
 					continue;