| /******************************************************************************* |
| * Copyright (c) 2016 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| *******************************************************************************/ |
| package org.eclipse.tracecompass.internal.lttng2.ust.core.callstack; |
| |
| import static org.eclipse.tracecompass.common.core.NonNullUtils.nullToEmptyString; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.NonNullByDefault; |
| import org.eclipse.tracecompass.lttng2.ust.core.trace.layout.ILttngUstEventLayout; |
| import org.eclipse.tracecompass.tmf.core.analysis.requirements.TmfAbstractAnalysisRequirement; |
| import org.eclipse.tracecompass.tmf.core.analysis.requirements.TmfAnalysisEventFieldRequirement; |
| import org.eclipse.tracecompass.tmf.core.analysis.requirements.TmfCompositeAnalysisRequirement; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| /** |
| * Analysis requirement implementation for LTTng Call Stack Analysis. |
| * |
| * @author Bernd Hufmann |
| * |
| */ |
| @NonNullByDefault |
| public class LttngUstCallStackAnalysisRequirement extends TmfCompositeAnalysisRequirement { |
| |
| /** |
| * Constructor |
| * |
| * @param layout |
| * The event layout (non-null) |
| */ |
| public LttngUstCallStackAnalysisRequirement(ILttngUstEventLayout layout) { |
| super(getSubRequirements(layout), PriorityLevel.AT_LEAST_ONE); |
| |
| addInformation(nullToEmptyString(Messages.LttnUstCallStackAnalysisModule_EventsLoadingInformation)); |
| } |
| |
| private static Collection<TmfAbstractAnalysisRequirement> getSubRequirements(ILttngUstEventLayout layout) { |
| Set<@NonNull String> requiredEventsFields = Collections.singleton(layout.contextVtid()); |
| |
| // Requirement for the cyg_profile events |
| TmfAnalysisEventFieldRequirement entryReq = new TmfAnalysisEventFieldRequirement( |
| layout.eventCygProfileFuncEntry(), |
| requiredEventsFields, |
| PriorityLevel.MANDATORY); |
| |
| TmfAbstractAnalysisRequirement exitReq = new TmfAnalysisEventFieldRequirement( |
| layout.eventCygProfileFuncExit(), |
| requiredEventsFields, |
| PriorityLevel.MANDATORY); |
| |
| TmfAbstractAnalysisRequirement cygProfile = new TmfCompositeAnalysisRequirement(ImmutableSet.of(entryReq, exitReq), PriorityLevel.MANDATORY); |
| |
| // Requirement for the cyg_profile_fast events |
| entryReq = new TmfAnalysisEventFieldRequirement( |
| layout.eventCygProfileFastFuncEntry(), |
| requiredEventsFields, |
| PriorityLevel.MANDATORY); |
| |
| exitReq = new TmfAnalysisEventFieldRequirement( |
| layout.eventCygProfileFastFuncExit(), |
| requiredEventsFields, |
| PriorityLevel.MANDATORY); |
| TmfAbstractAnalysisRequirement cygProfileFast = new TmfCompositeAnalysisRequirement(ImmutableSet.of(entryReq, exitReq), PriorityLevel.MANDATORY); |
| |
| return ImmutableSet.of(cygProfile, cygProfileFast); |
| } |
| |
| } |