| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2015 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are made |
| 5 | * available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Bernd Hufmann - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | package org.eclipse.tracecompass.internal.analysis.os.linux.ui.views.latency.statistics; |
| 13 | |
| 14 | import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull; |
| 15 | |
| 16 | import java.util.List; |
| 17 | import java.util.Map; |
| 18 | import java.util.Map.Entry; |
| 19 | |
| 20 | import org.eclipse.jdt.annotation.Nullable; |
| 21 | import org.eclipse.swt.widgets.Composite; |
| 22 | import org.eclipse.tracecompass.internal.analysis.os.linux.core.latency.statistics.SystemCallLatencyStatisticsAnalysisModule; |
| 23 | import org.eclipse.tracecompass.internal.analysis.timing.core.segmentstore.statistics.SegmentStoreStatistics; |
| 24 | import org.eclipse.tracecompass.internal.analysis.timing.ui.views.segmentstore.statistics.AbstractSegmentStoreStatisticsViewer; |
| 25 | import org.eclipse.tracecompass.tmf.core.analysis.TmfAbstractAnalysisModule; |
| 26 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.ITmfTreeViewerEntry; |
| 27 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.TmfTreeViewerEntry; |
| 28 | |
| 29 | /** |
| 30 | * A tree viewer implementation for displaying latency statistics |
| 31 | * |
| 32 | * @author Bernd Hufmann |
| 33 | * |
| 34 | */ |
| 35 | public class SystemCallLatencyStatisticsViewer extends AbstractSegmentStoreStatisticsViewer { |
| 36 | |
| 37 | private static final String SYSCALL_LEVEL = checkNotNull(Messages.LatencyStatistics_SyscallLevelName); |
| 38 | |
| 39 | /** |
| 40 | * Constructor |
| 41 | * |
| 42 | * @param parent |
| 43 | * the parent composite |
| 44 | */ |
| 45 | public SystemCallLatencyStatisticsViewer(Composite parent) { |
| 46 | super(parent); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Gets the statistics analysis module |
| 51 | * |
| 52 | * @return the statistics analysis module |
| 53 | */ |
| 54 | @Override |
| 55 | protected @Nullable TmfAbstractAnalysisModule createStatisticsAnalysiModule() { |
| 56 | SystemCallLatencyStatisticsAnalysisModule module = new SystemCallLatencyStatisticsAnalysisModule(); |
| 57 | return module; |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | protected @Nullable ITmfTreeViewerEntry updateElements(long start, long end, boolean isSelection) { |
| 62 | if (isSelection || (start == end)) { |
| 63 | return null; |
| 64 | } |
| 65 | |
| 66 | TmfAbstractAnalysisModule analysisModule = getStatisticsAnalysisModule(); |
| 67 | |
| 68 | if (getTrace() == null || !(analysisModule instanceof SystemCallLatencyStatisticsAnalysisModule)) { |
| 69 | return null; |
| 70 | } |
| 71 | |
| 72 | SystemCallLatencyStatisticsAnalysisModule module = (SystemCallLatencyStatisticsAnalysisModule) analysisModule; |
| 73 | |
| 74 | module.waitForCompletion(); |
| 75 | |
| 76 | TmfTreeViewerEntry root = new TmfTreeViewerEntry(""); //$NON-NLS-1$ |
| 77 | final SegmentStoreStatistics entry = module.getTotalStats(); |
| 78 | if (entry != null) { |
| 79 | |
| 80 | List<ITmfTreeViewerEntry> entryList = root.getChildren(); |
| 81 | |
| 82 | TmfTreeViewerEntry child = new SegmentStoreStatisticsEntry(checkNotNull(Messages.LatencyStatistics_TotalLabel), entry); |
| 83 | entryList.add(child); |
| 84 | HiddenTreeViewerEntry syscalls = new HiddenTreeViewerEntry(SYSCALL_LEVEL); |
| 85 | child.addChild(syscalls); |
| 86 | |
| 87 | Map<String, SegmentStoreStatistics> perSyscallStats = module.getPerSyscallStats(); |
| 88 | if (perSyscallStats != null) { |
| 89 | for (Entry<String, SegmentStoreStatistics> statsEntry : perSyscallStats.entrySet()) { |
| 90 | syscalls.addChild(new SegmentStoreStatisticsEntry(statsEntry.getKey(), statsEntry.getValue())); |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | return root; |
| 95 | } |
| 96 | |
| 97 | } |