| /********************************************************************** |
| * Copyright (c) 2017, 2018 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.analysis.os.linux.core.cpuusage; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Objects; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.tracecompass.analysis.os.linux.core.cpuusage.KernelCpuUsageAnalysis; |
| import org.eclipse.tracecompass.internal.tmf.core.model.DataProviderDescriptor; |
| import org.eclipse.tracecompass.internal.tmf.core.model.xy.TmfTreeXYCompositeDataProvider; |
| import org.eclipse.tracecompass.tmf.core.dataprovider.IDataProviderDescriptor; |
| import org.eclipse.tracecompass.tmf.core.dataprovider.IDataProviderDescriptor.ProviderType; |
| import org.eclipse.tracecompass.tmf.core.dataprovider.IDataProviderFactory; |
| import org.eclipse.tracecompass.tmf.core.model.tree.ITmfTreeDataModel; |
| import org.eclipse.tracecompass.tmf.core.model.tree.ITmfTreeDataProvider; |
| import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; |
| import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; |
| import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.collect.Iterables; |
| |
| /** |
| * Extension point factory for the {@link CpuUsageDataProvider}. |
| * |
| * @since 2.4 |
| * @author Loic Prieur-Drevon |
| */ |
| public class CpuUsageProviderFactory implements IDataProviderFactory { |
| |
| private static final Predicate<? super ITmfTrace> PREDICATE = t -> TmfTraceUtils.getAnalysisModuleOfClass(t, KernelCpuUsageAnalysis.class, KernelCpuUsageAnalysis.ID) != null; |
| |
| private static final IDataProviderDescriptor DESCRIPTOR = new DataProviderDescriptor.Builder() |
| .setId(CpuUsageDataProvider.ID) |
| .setName(Objects.requireNonNull(Messages.CpuUsageDataProvider_title)) |
| .setDescription(Objects.requireNonNull(Messages.CpuUsageProviderFactory_DescriptionText)) |
| .setProviderType(ProviderType.TREE_TIME_XY) |
| .build(); |
| |
| @Override |
| public @Nullable ITmfTreeDataProvider<? extends ITmfTreeDataModel> createProvider(ITmfTrace trace) { |
| Collection<ITmfTrace> traces = TmfTraceManager.getTraceSet(trace); |
| if (traces.size() == 1) { |
| return CpuUsageDataProvider.create(trace); |
| } |
| return TmfTreeXYCompositeDataProvider.create(traces, Objects.requireNonNull(Messages.CpuUsageDataProvider_title), CpuUsageDataProvider.ID); |
| } |
| |
| @Override |
| public Collection<IDataProviderDescriptor> getDescriptors(@NonNull ITmfTrace trace) { |
| Collection<ITmfTrace> traces = TmfTraceManager.getTraceSet(trace); |
| return Iterables.any(traces, PREDICATE) ? Collections.singletonList(DESCRIPTOR) : Collections.emptyList(); |
| } |
| |
| } |