X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=lttng%2Forg.lttng.scope.lttng.kernel.core%2Fsrc%2Forg%2Flttng%2Fscope%2Flttng%2Fkernel%2Fcore%2Fanalysis%2Fos%2Fhandlers%2Finternal%2FIPIEntryHandler.java;fp=lttng%2Forg.lttng.scope.lttng.kernel.core%2Fsrc%2Forg%2Flttng%2Fscope%2Flttng%2Fkernel%2Fcore%2Fanalysis%2Fos%2Fhandlers%2Finternal%2FIPIEntryHandler.java;h=3e6506db1577fdf29ea6ba0f217fc7b59676c5d4;hb=451ba2f718a98a8e88f2591454b22e4da49837c5;hp=0000000000000000000000000000000000000000;hpb=4290d35808ef723be708b12aeda887a972c77c58;p=deliverable%2Ftracecompass.git

diff --git a/lttng/org.lttng.scope.lttng.kernel.core/src/org/lttng/scope/lttng/kernel/core/analysis/os/handlers/internal/IPIEntryHandler.java b/lttng/org.lttng.scope.lttng.kernel.core/src/org/lttng/scope/lttng/kernel/core/analysis/os/handlers/internal/IPIEntryHandler.java
new file mode 100644
index 0000000000..3e6506db15
--- /dev/null
+++ b/lttng/org.lttng.scope.lttng.kernel.core/src/org/lttng/scope/lttng/kernel/core/analysis/os/handlers/internal/IPIEntryHandler.java
@@ -0,0 +1,68 @@
+/*******************************************************************************
+ * Copyright (c) 2016 Ericsson
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+
+package org.lttng.scope.lttng.kernel.core.analysis.os.handlers.internal;
+
+import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
+import org.lttng.scope.lttng.kernel.core.analysis.os.StateValues;
+import org.lttng.scope.lttng.kernel.core.trace.layout.ILttngKernelEventLayout;
+
+import ca.polymtl.dorsal.libdelorean.ITmfStateSystemBuilder;
+import ca.polymtl.dorsal.libdelorean.exceptions.AttributeNotFoundException;
+import ca.polymtl.dorsal.libdelorean.statevalue.ITmfStateValue;
+import ca.polymtl.dorsal.libdelorean.statevalue.TmfStateValue;
+
+/**
+ * IPI Entry Handler
+ *
+ * @author Matthew Khouzam
+ */
+public class IPIEntryHandler extends KernelEventHandler {
+
+    /**
+     * Constructor
+     *
+     * @param layout
+     *            event layout
+     */
+    public IPIEntryHandler(ILttngKernelEventLayout layout) {
+        super(layout);
+    }
+
+    @Override
+    public void handleEvent(ITmfStateSystemBuilder ss, ITmfEvent event) throws AttributeNotFoundException {
+
+        Integer cpu = KernelEventHandlerUtils.getCpu(event);
+        if (cpu == null) {
+            return;
+        }
+        Integer irqId = ((Long) event.getContent().getField(getLayout().fieldIPIVector()).getValue()).intValue();
+
+        /*
+         * Mark this IRQ as active in the resource tree. The state value = the
+         * CPU on which this IRQ is sitting
+         */
+        int quark = ss.getQuarkRelativeAndAdd(KernelEventHandlerUtils.getNodeIRQs(cpu, ss), irqId.toString());
+
+        ITmfStateValue value = TmfStateValue.newValueInt(cpu.intValue());
+        long timestamp = KernelEventHandlerUtils.getTimestamp(event);
+        ss.modifyAttribute(timestamp, value, quark);
+
+        /* Change the status of the running process to interrupted */
+        quark = KernelEventHandlerUtils.getCurrentThreadNode(cpu, ss);
+        value = StateValues.PROCESS_STATUS_INTERRUPTED_VALUE;
+        ss.modifyAttribute(timestamp, value, quark);
+
+        /* Change the status of the CPU to interrupted */
+        quark = KernelEventHandlerUtils.getCurrentCPUNode(cpu, ss);
+        value = StateValues.CPU_STATUS_IRQ_VALUE;
+        ss.modifyAttribute(timestamp, value, quark);
+    }
+
+}