lttng: Track user/kernel mode and IRQ types under the CPU status

[deliverable/tracecompass.git] / org.eclipse.linuxtools.lttng2.kernel.ui / src / org / eclipse / linuxtools / internal / lttng2 / kernel / ui / views / resources / ResourcesPresentationProvider.java

/*******************************************************************************\r
 * Copyright (c) 2012 Ericsson\r
 * \r
 * All rights reserved. This program and the accompanying materials are\r
 * made available under the terms of the Eclipse Public License v1.0 which\r
 * accompanies this distribution, and is available at\r
 * http://www.eclipse.org/legal/epl-v10.html\r
 * \r
 * Contributors:\r
 *   Patrick Tasse - Initial API and implementation\r
 *******************************************************************************/\r
\r
package org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.resources;\r
\r
import java.util.HashMap;\r
import java.util.List;\r
import java.util.Map;\r
\r
import org.eclipse.linuxtools.internal.lttng2.kernel.core.Attributes;\r
import org.eclipse.linuxtools.internal.lttng2.kernel.core.StateValues;\r
import org.eclipse.linuxtools.internal.lttng2.kernel.ui.Messages;\r
import org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.resources.ResourcesEntry.Type;\r
import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException;\r
import org.eclipse.linuxtools.tmf.core.exceptions.StateValueTypeException;\r
import org.eclipse.linuxtools.tmf.core.exceptions.TimeRangeException;\r
import org.eclipse.linuxtools.tmf.core.interval.ITmfStateInterval;\r
import org.eclipse.linuxtools.tmf.core.statesystem.IStateSystemQuerier;\r
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem;\r
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider;\r
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;\r
import org.eclipse.swt.graphics.RGB;\r
\r
public class ResourcesPresentationProvider extends TimeGraphPresentationProvider {\r
\r
    private enum State {\r
        UNKNOWN     (new RGB(100, 100, 100)),\r
        IDLE        (new RGB(200, 200, 200)),\r
        BUSY        (new RGB(0, 200, 0)),\r
        INTERRUPTED (new RGB(200, 100, 100)),\r
        RAISED      (new RGB(200, 200, 0)),\r
        ACTIVE      (new RGB(200, 150, 100));\r
\r
        public final RGB rgb;\r
\r
        private State (RGB rgb) {\r
            this.rgb = rgb;\r
        }\r
    }\r
\r
    @Override \r
    public String getStateTypeName() {\r
        return Messages.ResourcesView_stateTypeName;\r
    }\r
\r
    @Override\r
    public StateItem[] getStateTable() {\r
        StateItem[] stateTable = new StateItem[State.values().length];\r
        for (int i = 0; i < stateTable.length; i++) {\r
            State state = State.values()[i];\r
            stateTable[i] = new StateItem(state.rgb, state.toString());\r
        }\r
        return stateTable;\r
    }\r
\r
    @Override\r
    public int getStateTableIndex(ITimeEvent event) {\r
        if (event instanceof ResourcesEvent) {\r
            ResourcesEvent resourcesEvent = (ResourcesEvent) event;\r
            if (resourcesEvent.getType() == Type.CPU) {\r
                int status = resourcesEvent.getValue();\r
                if (status == StateValues.CPU_STATUS_IDLE) {\r
                    return State.IDLE.ordinal();\r
                } else if (status == StateValues.CPU_STATUS_RUN_USERMODE) {\r
                    return State.BUSY.ordinal();\r
                } else if (status == StateValues.CPU_STATUS_IRQ) {\r
                    return State.INTERRUPTED.ordinal();\r
                }\r
            } else if (resourcesEvent.getType() == Type.IRQ || resourcesEvent.getType() == Type.SOFT_IRQ) {\r
                int cpu = resourcesEvent.getValue();\r
                if (cpu == StateValues.SOFT_IRQ_RAISED) {\r
                    return State.RAISED.ordinal();\r
                }\r
                return State.ACTIVE.ordinal();\r
            } else {\r
                return -1; // NULL\r
            }\r
        }\r
        return State.UNKNOWN.ordinal();\r
    }\r
\r
    @Override\r
    public String getEventName(ITimeEvent event) {\r
        if (event instanceof ResourcesEvent) {\r
            ResourcesEvent resourcesEvent = (ResourcesEvent) event;\r
            if (resourcesEvent.getType() == Type.CPU) {\r
                int status = resourcesEvent.getValue();\r
                if (status == StateValues.CPU_STATUS_IDLE) {\r
                    return State.IDLE.toString();\r
                } else if (status == StateValues.CPU_STATUS_RUN_USERMODE) {\r
                    return State.BUSY.toString();\r
                } else if (status == StateValues.CPU_STATUS_IRQ) {\r
                    return State.INTERRUPTED.toString();\r
                }\r
            } else if (resourcesEvent.getType() == Type.IRQ || resourcesEvent.getType() == Type.SOFT_IRQ) {\r
                int cpu = resourcesEvent.getValue();\r
                if (cpu == StateValues.SOFT_IRQ_RAISED) {\r
                    return State.RAISED.toString();\r
                }\r
                return State.ACTIVE.toString();\r
            } else {\r
                return null;\r
            }\r
        }\r
        return State.UNKNOWN.toString();\r
    }\r
\r
    @Override\r
    public Map<String, String> getEventHoverToolTipInfo(ITimeEvent event) {\r
        \r
        Map<String, String> retMap = new HashMap<String, String>();\r
        if (event instanceof ResourcesEvent) {\r
\r
            ResourcesEvent resourcesEvent = (ResourcesEvent) event;\r
\r
            // Check for IRQ or Soft_IRQ type\r
            if (resourcesEvent.getType().equals(Type.IRQ) || resourcesEvent.getType().equals(Type.SOFT_IRQ)) {\r
                \r
                // Get CPU of IRQ or SoftIRQ and provide it for the tooltip display\r
                int cpu = resourcesEvent.getValue();\r
                if (cpu >= 0) {\r
                    retMap.put(Messages.ResourcesView_attributeCpuName, String.valueOf(cpu));\r
                }\r
            } \r
            \r
            // Check for type CPU\r
            if (resourcesEvent.getType().equals(Type.CPU)) {\r
                int status = resourcesEvent.getValue();\r
\r
                if (status == StateValues.CPU_STATUS_IRQ) {\r
                    // In interrupted state get the IRQ or SOFT_IRQ that caused the interruption\r
                    ResourcesEntry entry = (ResourcesEntry) event.getEntry();\r
                    IStateSystemQuerier ssq = entry.getTrace().getStateSystem();\r
                    int cpu = entry.getId();\r
                    \r
                    IStateSystemQuerier ss = entry.getTrace().getStateSystem();\r
                    try {\r
                        int resultQuark = 0;\r
                        String attributeName = null;\r
                        \r
                        // First check for IRQ\r
                        List<ITmfStateInterval> fullState = ss.queryFullState(event.getTime());\r
                        List<Integer> irqQuarks = ss.getQuarks(Attributes.RESOURCES, Attributes.IRQS, "*"); //$NON-NLS-1$\r
\r
                        for (int curQuark : irqQuarks) {\r
                            if (fullState.get(curQuark).getStateValue().unboxInt() == cpu) {\r
                                resultQuark = curQuark;\r
                                attributeName = Messages.ResourcesView_attributeIrqName;\r
                                break;\r
                            }\r
                        }\r
                        \r
                        // If not found check for SOFT_IRQ\r
                        if (attributeName == null) {\r
                            List<Integer> softIrqQuarks = ssq.getQuarks(Attributes.RESOURCES, Attributes.SOFT_IRQS, "*"); //$NON-NLS-1$\r
                            for (int curQuark : softIrqQuarks) {\r
                                if (fullState.get(curQuark).getStateValue().unboxInt() == cpu) {\r
                                    resultQuark = curQuark;\r
                                    attributeName = Messages.ResourcesView_attributeSoftIrqName;\r
                                    break;\r
                                }\r
                            }   \r
                        }\r
\r
                        if (attributeName != null) {\r
                            // A IRQ or SOFT_IRQ was found\r
                            ITmfStateInterval value = ssq.querySingleState(event.getTime(), resultQuark);\r
                            if (!value.getStateValue().isNull()) {\r
                                int irq = Integer.parseInt(ssq.getAttributeName(resultQuark));\r
                                retMap.put(attributeName, String.valueOf(irq));\r
                            }\r
                        }\r
                    } catch (AttributeNotFoundException e) {\r
                        e.printStackTrace();\r
                    } catch (TimeRangeException e) {\r
                        e.printStackTrace();\r
                    } catch (StateValueTypeException e) {\r
                        e.printStackTrace();\r
                    }\r
                }\r
            }\r
        }\r
\r
        return retMap;\r
    }\r
\r
}\r