Add archname not being calibrated

src/core/perfmodel/perfmodel_history.c

@@ -1018,7 +1018,10 @@ double _starpu_history_based_job_expected_perf(struct starpu_perfmodel *model, e
 
 	if (isnan(exp) && !model->benchmarking)
 	{
-		_STARPU_DISP("Warning: model %s is not calibrated enough, forcing calibration for this run. Use the STARPU_CALIBRATE environment variable to control this.\n", model->symbol);
+		char archname[32];
+
+		starpu_perfmodel_get_arch_name(arch, archname, sizeof(archname), nimpl);
+		_STARPU_DISP("Warning: model %s is not calibrated enough for %s, forcing calibration for this run. Use the STARPU_CALIBRATE environment variable to control this.\n", model->symbol, archname);
 		_starpu_set_calibrate_flag(1);
 		model->benchmarking = 1;
 	}