| /** |
| ******************************************************************************** |
| * Copyright (c) 2016-2019 Vector Informatik GmbH and others. |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Vector Informatik GmbH - initial API and implementation |
| ******************************************************************************** |
| */ |
| package org.eclipse.app4mc.amalthea.validations.ta.hardware; |
| |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| import org.eclipse.app4mc.amalthea.model.HwFeature; |
| import org.eclipse.app4mc.amalthea.model.ProcessingUnitDefinition; |
| import org.eclipse.app4mc.amalthea.model.PuType; |
| import org.eclipse.app4mc.amalthea.validation.core.AmaltheaValidation; |
| import org.eclipse.app4mc.validation.annotation.Validation; |
| import org.eclipse.app4mc.validation.core.ValidationDiagnostic; |
| import org.eclipse.emf.ecore.EClassifier; |
| import org.eclipse.emf.ecore.EObject; |
| |
| /** |
| * Validates whether the instructions per cycle HWFeature is set for |
| * a processing unit definition of type CPU and has a sane value. |
| * |
| * <ul> |
| * <li>IPC (instructions per cycle) should be set, otherwise default (1.0) will be assumed</li> |
| * <li>Only one IPC HwFeature should be specified for a processing unit definition</li> |
| * </ul> |
| */ |
| |
| @Validation( |
| id = "TA-Hardware-PUDIPCMissing", |
| checks = { "IPC (instructions per cycle) should be set, otherwise default (1.0) will be assumed", |
| "Only one IPC HwFeature should be specified for a processing unit definition" }) |
| |
| public class TAHardwarePUDIPCMissing extends AmaltheaValidation { |
| |
| @Override |
| public EClassifier getEClassifier() { |
| return ePackage.getProcessingUnitDefinition(); |
| } |
| |
| @Override |
| public void validate(EObject eObject, List<ValidationDiagnostic> results) { |
| if (eObject instanceof ProcessingUnitDefinition) { |
| ProcessingUnitDefinition pud = (ProcessingUnitDefinition) eObject; |
| // only cores should have IPCs |
| if (pud.getPuType() == PuType.CPU) { |
| List<HwFeature> oHWF = pud.getFeatures().stream() |
| // consider only features which are in category "Instructions" |
| .filter(hwf -> hwf.getContainingCategory() != null && "Instructions".equalsIgnoreCase(hwf.getContainingCategory().getName())) |
| // consider only features whose name starts with "IPC_" |
| .filter(hwf -> hwf.getName() != null && hwf.getName().startsWith("IPC_")).collect(Collectors.toList()); |
| if (oHWF.size() > 1) { |
| addIssue(results, pud, ePackage.getProcessingUnitDefinition_Features(), objectInfo(pud) + " has multiple IPC HwFeatures (only the first will be considered)"); |
| } |
| if (oHWF.isEmpty()) { |
| addIssue(results, pud, ePackage.getProcessingUnitDefinition_Features(), objectInfo(pud) + " does not have an IPC specified (default value of 1.0 will be assumed). " |
| + "To specify an IPC value: add a HwFeature in the category named \"Instructions\", set a name that starts with \"IPC_\", set a positive " |
| + "value, and add it to the feature list of " + objectInfo(pud) + "."); |
| } |
| } |
| } |
| } |
| |
| } |