tmf: Bug 509691: Changes to mutable trace context can be lost

[deliverable/tracecompass.git] / analysis / org.eclipse.tracecompass.analysis.os.linux.ui / src / org / eclipse / tracecompass / internal / analysis / os / linux / ui / views / resources / ResourcesView.java

diff --git a/analysis/org.eclipse.tracecompass.analysis.os.linux.ui/src/org/eclipse/tracecompass/internal/analysis/os/linux/ui/views/resources/ResourcesView.java b/analysis/org.eclipse.tracecompass.analysis.os.linux.ui/src/org/eclipse/tracecompass/internal/analysis/os/linux/ui/views/resources/ResourcesView.java
index a51d637b8e380e045bea454a56dd8d2af23e1223..5a329b4f54924ae8c891a5ac31c16ef125b350e5 100644 (file)
--- a/analysis/org.eclipse.tracecompass.analysis.os.linux.ui/src/org/eclipse/tracecompass/internal/analysis/os/linux/ui/views/resources/ResourcesView.java
+++ b/analysis/org.eclipse.tracecompass.analysis.os.linux.ui/src/org/eclipse/tracecompass/internal/analysis/os/linux/ui/views/resources/ResourcesView.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2012, 2016 Ericsson, École Polytechnique de Montréal
+ * Copyright (c) 2012, 2017 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
@@ -436,8 +436,12 @@ public class ResourcesView extends AbstractStateSystemTimeGraphView {
     @TmfSignalHandler
     public void listenToCpu(TmfCpuSelectedSignal signal) {
         int data = signal.getCore() >= 0 ? signal.getCore() : -1;
-        TmfTraceContext ctx = TmfTraceManager.getInstance().getCurrentTraceContext();
-        ctx.setData(RESOURCES_FOLLOW_CPU, data);
+        ITmfTrace trace = getTrace();
+        if (trace == null) {
+            return;
+        }
+        TmfTraceManager.getInstance().updateTraceContext(trace,
+                builder -> builder.setData(RESOURCES_FOLLOW_CPU, data));
     }
 
 }