tmf: Split the state system in a separate plugin
[deliverable/tracecompass.git] / org.eclipse.linuxtools.lttng2.kernel.ui / src / org / eclipse / linuxtools / internal / lttng2 / kernel / ui / views / controlflow / ControlFlowPresentationProvider.java
index a7e5b754dbb01c156ef2e2088362d96fda7611a2..e554e0d93831c91902bbeca12da0453ac8cd88ff 100644 (file)
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2012, 2013 Ericsson
+ * Copyright (c) 2012, 2014 Ericsson, École Polytechnique de Montréal
  *
  * All rights reserved. This program and the accompanying materials are
  * made available under the terms of the Eclipse Public License v1.0 which
@@ -8,6 +8,7 @@
  *
  * Contributors:
  *   Patrick Tasse - Initial API and implementation
+ *   Geneviève Bastien - Move code to provide base classes for time graph view
  *******************************************************************************/
 
 package org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.controlflow;
@@ -18,18 +19,20 @@ import java.util.Map;
 
 import org.eclipse.linuxtools.internal.lttng2.kernel.core.Attributes;
 import org.eclipse.linuxtools.internal.lttng2.kernel.core.StateValues;
+import org.eclipse.linuxtools.internal.lttng2.kernel.ui.Activator;
 import org.eclipse.linuxtools.internal.lttng2.kernel.ui.Messages;
-import org.eclipse.linuxtools.lttng2.kernel.core.trace.CtfKernelTrace;
-import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException;
-import org.eclipse.linuxtools.tmf.core.exceptions.StateSystemDisposedException;
-import org.eclipse.linuxtools.tmf.core.exceptions.StateValueTypeException;
-import org.eclipse.linuxtools.tmf.core.exceptions.TimeRangeException;
-import org.eclipse.linuxtools.tmf.core.interval.ITmfStateInterval;
-import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem;
-import org.eclipse.linuxtools.tmf.core.statevalue.ITmfStateValue;
+import org.eclipse.linuxtools.lttng2.kernel.core.analysis.LttngKernelAnalysisModule;
+import org.eclipse.linuxtools.statesystem.core.ITmfStateSystem;
+import org.eclipse.linuxtools.statesystem.core.exceptions.AttributeNotFoundException;
+import org.eclipse.linuxtools.statesystem.core.exceptions.StateSystemDisposedException;
+import org.eclipse.linuxtools.statesystem.core.exceptions.StateValueTypeException;
+import org.eclipse.linuxtools.statesystem.core.exceptions.TimeRangeException;
+import org.eclipse.linuxtools.statesystem.core.interval.ITmfStateInterval;
+import org.eclipse.linuxtools.statesystem.core.statevalue.ITmfStateValue;
 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem;
 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider;
 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
+import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeEvent;
 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.GC;
@@ -42,30 +45,38 @@ import org.eclipse.swt.graphics.Rectangle;
 public class ControlFlowPresentationProvider extends TimeGraphPresentationProvider {
 
     private enum State {
-        UNKNOWN      (new RGB(100, 100, 100)),
-        WAIT_BLOCKED (new RGB(200, 200,   0)),
-        WAIT_FOR_CPU (new RGB(200, 100,   0)),
-        USERMODE     (new RGB(  0, 200,   0)),
-        SYSCALL      (new RGB(  0,   0, 200)),
-        INTERRUPTED  (new RGB(200,   0, 100));
+        UNKNOWN        (new RGB(100, 100, 100)),
+        WAIT_BLOCKED   (new RGB(200, 200, 0)),
+        WAIT_FOR_CPU   (new RGB(200, 100, 0)),
+        USERMODE       (new RGB(0,   200, 0)),
+        SYSCALL        (new RGB(0,     0, 200)),
+        INTERRUPTED    (new RGB(200,   0, 100));
 
         public final RGB rgb;
 
-        private State (RGB rgb) {
+        private State(RGB rgb) {
             this.rgb = rgb;
         }
+
     }
 
-    @Override
-    public String getStateTypeName() {
-        return Messages.ControlFlowView_stateTypeName;
+    /**
+     * Default constructor
+     */
+    public ControlFlowPresentationProvider() {
+        super(Messages.ControlFlowView_stateTypeName);
+    }
+
+    private static State[] getStateValues() {
+        return State.values();
     }
 
     @Override
     public StateItem[] getStateTable() {
-        StateItem[] stateTable = new StateItem[State.values().length];
+        State[] states = getStateValues();
+        StateItem[] stateTable = new StateItem[states.length];
         for (int i = 0; i < stateTable.length; i++) {
-            State state = State.values()[i];
+            State state = states[i];
             stateTable[i] = new StateItem(state.rgb, state.toString());
         }
         return stateTable;
@@ -73,8 +84,8 @@ public class ControlFlowPresentationProvider extends TimeGraphPresentationProvid
 
     @Override
     public int getStateTableIndex(ITimeEvent event) {
-        if (event instanceof ControlFlowEvent) {
-            int status = ((ControlFlowEvent) event).getStatus();
+        if (event instanceof TimeEvent && ((TimeEvent) event).hasValue()) {
+            int status = ((TimeEvent) event).getValue();
             return getMatchingState(status).ordinal();
         }
         return TRANSPARENT;
@@ -82,9 +93,11 @@ public class ControlFlowPresentationProvider extends TimeGraphPresentationProvid
 
     @Override
     public String getEventName(ITimeEvent event) {
-        if (event instanceof ControlFlowEvent) {
-            int status = ((ControlFlowEvent) event).getStatus();
-            return getMatchingState(status).toString();
+        if (event instanceof TimeEvent) {
+            TimeEvent ev = (TimeEvent) event;
+            if (ev.hasValue()) {
+                return getMatchingState(ev.getValue()).toString();
+            }
         }
         return Messages.ControlFlowView_multipleStates;
     }
@@ -108,55 +121,58 @@ public class ControlFlowPresentationProvider extends TimeGraphPresentationProvid
 
     @Override
     public Map<String, String> getEventHoverToolTipInfo(ITimeEvent event) {
-        Map<String, String> retMap = new LinkedHashMap<String, String>();
-        if (event instanceof ControlFlowEvent) {
-            ControlFlowEntry entry = (ControlFlowEntry) event.getEntry();
-            ITmfStateSystem ssq = entry.getTrace().getStateSystem(CtfKernelTrace.STATE_ID);
-            int tid = entry.getThreadId();
+        Map<String, String> retMap = new LinkedHashMap<>();
+        if (!(event instanceof TimeEvent) || !((TimeEvent) event).hasValue() ||
+                !(event.getEntry() instanceof ControlFlowEntry)) {
+            return retMap;
+        }
+        ControlFlowEntry entry = (ControlFlowEntry) event.getEntry();
+        LttngKernelAnalysisModule module = entry.getTrace().getAnalysisModuleOfClass(LttngKernelAnalysisModule.class, LttngKernelAnalysisModule.ID);
+        if (module == null) {
+            return retMap;
+        }
+        ITmfStateSystem ssq = module.getStateSystem();
+        if (ssq == null) {
+            return retMap;
+        }
+        int tid = entry.getThreadId();
 
-            try {
-                //Find every CPU first, then get the current thread
-                int cpusQuark = ssq.getQuarkAbsolute(Attributes.CPUS);
-                List<Integer> cpuQuarks = ssq.getSubAttributes(cpusQuark, false);
-                for (Integer cpuQuark : cpuQuarks) {
-                    int currentThreadQuark = ssq.getQuarkRelative(cpuQuark, Attributes.CURRENT_THREAD);
-                    ITmfStateInterval interval = ssq.querySingleState(event.getTime(), currentThreadQuark);
-                    if (!interval.getStateValue().isNull()) {
-                        ITmfStateValue state = interval.getStateValue();
-                        int currentThreadId = state.unboxInt();
-                        if (tid == currentThreadId) {
-                            retMap.put(Messages.ControlFlowView_attributeCpuName, ssq.getAttributeName(cpuQuark));
-                            break;
-                        }
+        try {
+            // Find every CPU first, then get the current thread
+            int cpusQuark = ssq.getQuarkAbsolute(Attributes.CPUS);
+            List<Integer> cpuQuarks = ssq.getSubAttributes(cpusQuark, false);
+            for (Integer cpuQuark : cpuQuarks) {
+                int currentThreadQuark = ssq.getQuarkRelative(cpuQuark, Attributes.CURRENT_THREAD);
+                ITmfStateInterval interval = ssq.querySingleState(event.getTime(), currentThreadQuark);
+                if (!interval.getStateValue().isNull()) {
+                    ITmfStateValue state = interval.getStateValue();
+                    int currentThreadId = state.unboxInt();
+                    if (tid == currentThreadId) {
+                        retMap.put(Messages.ControlFlowView_attributeCpuName, ssq.getAttributeName(cpuQuark));
+                        break;
                     }
                 }
-
-            } catch (AttributeNotFoundException e) {
-                e.printStackTrace();
-            } catch (TimeRangeException e) {
-                e.printStackTrace();
-            } catch (StateValueTypeException e) {
-                e.printStackTrace();
-            } catch (StateSystemDisposedException e) {
-                /* Ignored */
             }
-            int status = ((ControlFlowEvent) event).getStatus();
-            if (status == StateValues.PROCESS_STATUS_RUN_SYSCALL) {
-                try {
-                    int syscallQuark = ssq.getQuarkRelative(entry.getThreadQuark(), Attributes.SYSTEM_CALL);
-                    ITmfStateInterval value = ssq.querySingleState(event.getTime(), syscallQuark);
-                    if (!value.getStateValue().isNull()) {
-                        ITmfStateValue state = value.getStateValue();
-                        retMap.put(Messages.ControlFlowView_attributeSyscallName, state.toString());
-                    }
 
-                } catch (AttributeNotFoundException e) {
-                    e.printStackTrace();
-                } catch (TimeRangeException e) {
-                    e.printStackTrace();
-                } catch (StateSystemDisposedException e) {
-                    /* Ignored */
+        } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) {
+            Activator.getDefault().logError("Error in ControlFlowPresentationProvider", e); //$NON-NLS-1$
+        } catch (StateSystemDisposedException e) {
+            /* Ignored */
+        }
+        int status = ((TimeEvent) event).getValue();
+        if (status == StateValues.PROCESS_STATUS_RUN_SYSCALL) {
+            try {
+                int syscallQuark = ssq.getQuarkRelative(entry.getThreadQuark(), Attributes.SYSTEM_CALL);
+                ITmfStateInterval value = ssq.querySingleState(event.getTime(), syscallQuark);
+                if (!value.getStateValue().isNull()) {
+                    ITmfStateValue state = value.getStateValue();
+                    retMap.put(Messages.ControlFlowView_attributeSyscallName, state.toString());
                 }
+
+            } catch (AttributeNotFoundException | TimeRangeException e) {
+                Activator.getDefault().logError("Error in ControlFlowPresentationProvider", e); //$NON-NLS-1$
+            } catch (StateSystemDisposedException e) {
+                /* Ignored */
             }
         }
 
@@ -168,12 +184,20 @@ public class ControlFlowPresentationProvider extends TimeGraphPresentationProvid
         if (bounds.width <= gc.getFontMetrics().getAverageCharWidth()) {
             return;
         }
-        if (!(event instanceof ControlFlowEvent)) {
+        if (!(event instanceof TimeEvent)) {
             return;
         }
         ControlFlowEntry entry = (ControlFlowEntry) event.getEntry();
-        ITmfStateSystem ss = entry.getTrace().getStateSystem(CtfKernelTrace.STATE_ID);
-        int status = ((ControlFlowEvent) event).getStatus();
+        LttngKernelAnalysisModule module = entry.getTrace().getAnalysisModuleOfClass(LttngKernelAnalysisModule.class, LttngKernelAnalysisModule.ID);
+        if (module == null) {
+            return;
+        }
+        ITmfStateSystem ss = module.getStateSystem();
+        if (ss == null) {
+            return;
+        }
+        int status = ((TimeEvent) event).getValue();
+
         if (status != StateValues.PROCESS_STATUS_RUN_SYSCALL) {
             return;
         }
@@ -185,13 +209,10 @@ public class ControlFlowPresentationProvider extends TimeGraphPresentationProvid
                 gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE));
                 Utils.drawText(gc, state.toString().substring(4), bounds.x, bounds.y - 2, bounds.width, true, true);
             }
-        } catch (AttributeNotFoundException e) {
-            e.printStackTrace();
-        } catch (TimeRangeException e) {
-            e.printStackTrace();
+        } catch (AttributeNotFoundException | TimeRangeException e) {
+            Activator.getDefault().logError("Error in ControlFlowPresentationProvider", e); //$NON-NLS-1$
         } catch (StateSystemDisposedException e) {
             /* Ignored */
         }
     }
-
 }
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