| /******************************************************************************* |
| * Copyright (c) 2018 École Polytechnique de Montréal |
| * |
| * 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.analysis.profiling.core.callstack; |
| |
| import java.util.List; |
| |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.tracecompass.analysis.profiling.core.base.IProfilingElement; |
| import org.eclipse.tracecompass.analysis.profiling.core.callstack.CallStackHostUtils.IHostIdProvider; |
| import org.eclipse.tracecompass.analysis.profiling.core.callstack.CallStackSeries.IThreadIdProvider; |
| import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem; |
| |
| /** |
| * Represents the actual callstack for one element. The callstack is a stack of |
| * calls, whether function calls, executions, sub-routines that have a certain |
| * depth and where durations at each depth is in the form of a reverse pyramid, |
| * ie, a call at level n+1 will have start_n+1 >= start_n and end_n+1 <= end_n. |
| * |
| * TODO: Is that true? the reverse pyramid? |
| * |
| * @author Geneviève Bastien |
| * @since 1.1 |
| */ |
| public class CallStack { |
| |
| private final List<Integer> fQuarks; |
| |
| /** |
| * Constructor |
| * |
| * @param ss |
| * The state system containing the callstack |
| * @param quarks |
| * The quarks corresponding to each of the depth levels |
| * @param element |
| * The element this callstack belongs to |
| * @param hostIdProvider |
| * The provider of the host ID for this callstack |
| * @param threadIdProvider |
| * The provider of the thread ID for this callstack |
| */ |
| public CallStack(ITmfStateSystem ss, List<Integer> quarks, IProfilingElement element, IHostIdProvider hostIdProvider, @Nullable IThreadIdProvider threadIdProvider) { |
| fQuarks = quarks; |
| } |
| |
| /** |
| * Get the maximum depth of this callstack |
| * |
| * @return The maximum depth of the callstack |
| */ |
| public int getMaxDepth() { |
| return fQuarks.size(); |
| } |
| |
| /** |
| * Update the quarks list. Only the quarks at positions higher than the size of |
| * the quarks will be copied in the list. The ones currently present should not |
| * change. |
| * |
| * @param subAttributes |
| * The new complete list of attributes |
| */ |
| public void updateAttributes(List<Integer> subAttributes) { |
| fQuarks.addAll(fQuarks.size(), subAttributes.subList(fQuarks.size(), subAttributes.size())); |
| } |
| |
| } |