package org.eclipse.linuxtools.internal.lttng2.kernel.core.stateprovider;
+import java.util.ArrayList;
import java.util.HashMap;
-import java.util.Vector;
+import java.util.List;
import java.util.concurrent.BlockingQueue;
import org.eclipse.linuxtools.internal.lttng2.kernel.core.Attributes;
+import org.eclipse.linuxtools.internal.lttng2.kernel.core.LttngStrings;
import org.eclipse.linuxtools.internal.lttng2.kernel.core.StateValues;
-import org.eclipse.linuxtools.lttng2.kernel.core.trace.LttngStrings;
import org.eclipse.linuxtools.tmf.core.ctfadaptor.CtfTmfEvent;
import org.eclipse.linuxtools.tmf.core.event.ITmfEventField;
import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException;
* We can keep handles to some Attribute Nodes so these don't need to be
* re-found (re-hashed Strings etc.) every new event
*/
- Vector<Integer> currentCPUNodes;
- Vector<Integer> currentThreadNodes;
+ List<Integer> currentCPUNodes;
+ List<Integer> currentThreadNodes;
/* Event names HashMap. TODO: This can be discarded once we move to Java 7 */
private final HashMap<String, Integer> knownEventNames;
CtfKernelHandler(BlockingQueue<CtfTmfEvent> eventsQueue) {
assert (eventsQueue != null);
this.inQueue = eventsQueue;
- currentCPUNodes = new Vector<Integer>();
- currentThreadNodes = new Vector<Integer>();
+ currentCPUNodes = new ArrayList<Integer>();
+ currentThreadNodes = new ArrayList<Integer>();
knownEventNames = fillEventNames();
}
int quark;
ITmfStateValue value;
Integer eventCpu = event.getCPU();
- Integer currentCPUNode, currentThreadNode, tidNode;
+ Integer currentCPUNode, currentThreadNode;
/* Adjust the current nodes Vectors if we see a new CPU in an event */
if (eventCpu >= currentCPUNodes.size()) {
quark = ss.getQuarkRelativeAndAdd(currentThreadNode, Attributes.STATUS);
value = TmfStateValue.newValueInt(StateValues.PROCESS_STATUS_RUN_USERMODE);
ss.modifyAttribute(ts, value, quark);
+
+ /* Put the CPU's status back to user mode */
+ quark = ss.getQuarkRelativeAndAdd(currentCPUNode, Attributes.STATUS);
+ value = TmfStateValue.newValueInt(StateValues.CPU_STATUS_RUN_USERMODE);
+ ss.modifyAttribute(ts, value, quark);
}
break;
{
Integer prevTid = ((Long) content.getField(LttngStrings.PREV_TID).getValue()).intValue();
//Long prevState = (Long) content.getField(LttngStrings.PREV_STATE).getValue();
-
String nextProcessName = (String) content.getField(LttngStrings.NEXT_COMM).getValue();
Integer nextTid = ((Long) content.getField(LttngStrings.NEXT_TID).getValue()).intValue();
- /* Update the currentThreadNodes pointer */
+ Integer formerThreadNode = ss.getQuarkRelativeAndAdd(threadsNode, prevTid.toString());
Integer newCurrentThreadNode = ss.getQuarkRelativeAndAdd(threadsNode, nextTid.toString());
+
+ /* Update the currentThreadNodes pointer */
currentThreadNodes.set(eventCpu, newCurrentThreadNode);
- /*
- * Set the status of the process that got scheduled out, but
- * only in the case where that process is currently active.
- */
- Integer formerThreadNode = ss.getQuarkRelativeAndAdd(threadsNode, prevTid.toString());
- quark = ss.getQuarkRelativeAndAdd(formerThreadNode, Attributes.EXEC_NAME);
- value = ss.queryOngoingState(quark);
- if (!value.isNull()) {
- quark = ss.getQuarkRelativeAndAdd(formerThreadNode, Attributes.STATUS);
- value = TmfStateValue.newValueInt(StateValues.PROCESS_STATUS_WAIT);
- ss.modifyAttribute(ts, value, quark);
- }
+ /* Set the status of the process that got scheduled out. */
+ quark = ss.getQuarkRelativeAndAdd(formerThreadNode, Attributes.STATUS);
+ value = TmfStateValue.newValueInt(StateValues.PROCESS_STATUS_WAIT);
+ ss.modifyAttribute(ts, value, quark);
/* Set the status of the new scheduled process */
setProcessToRunning(ts, newCurrentThreadNode);
/* Fields: string parent_comm, int32 parent_tid,
* string child_comm, int32 child_tid */
{
- // String parentProcessName = (String)
- // event.getFieldValue("parent_comm");
- String childProcessName;
- childProcessName = (String) content.getField(LttngStrings.CHILD_COMM).getValue();
+ // String parentProcessName = (String) event.getFieldValue("parent_comm");
+ String childProcessName = (String) content.getField(LttngStrings.CHILD_COMM).getValue();
// assert ( parentProcessName.equals(childProcessName) );
Integer parentTid = ((Long) content.getField(LttngStrings.PARENT_TID).getValue()).intValue();
Integer childTid = ((Long) content.getField(LttngStrings.CHILD_TID).getValue()).intValue();
- tidNode = ss.getQuarkRelativeAndAdd(threadsNode, childTid.toString());
+ Integer parentTidNode = ss.getQuarkRelativeAndAdd(threadsNode, parentTid.toString());
+ Integer childTidNode = ss.getQuarkRelativeAndAdd(threadsNode, childTid.toString());
/* Assign the PPID to the new process */
- quark = ss.getQuarkRelativeAndAdd(tidNode, Attributes.PPID);
+ quark = ss.getQuarkRelativeAndAdd(childTidNode, Attributes.PPID);
value = TmfStateValue.newValueInt(parentTid);
ss.modifyAttribute(ts, value, quark);
/* Set the new process' exec_name */
- quark = ss.getQuarkRelativeAndAdd(tidNode, Attributes.EXEC_NAME);
+ quark = ss.getQuarkRelativeAndAdd(childTidNode, Attributes.EXEC_NAME);
value = TmfStateValue.newValueString(childProcessName);
ss.modifyAttribute(ts, value, quark);
/* Set the new process' status */
- quark = ss.getQuarkRelativeAndAdd(tidNode, Attributes.STATUS);
+ quark = ss.getQuarkRelativeAndAdd(childTidNode, Attributes.STATUS);
value = TmfStateValue.newValueInt(StateValues.PROCESS_STATUS_WAIT);
ss.modifyAttribute(ts, value, quark);
- /* Set the process' syscall state */
- quark = ss.getQuarkRelativeAndAdd(tidNode, Attributes.SYSTEM_CALL);
- value = TmfStateValue.nullValue();
+ /* Set the process' syscall name, to be the same as the parent's */
+ quark = ss.getQuarkRelativeAndAdd(parentTidNode, Attributes.SYSTEM_CALL);
+ value = ss.queryOngoingState(quark);
+ quark = ss.getQuarkRelativeAndAdd(childTidNode, Attributes.SYSTEM_CALL);
ss.modifyAttribute(ts, value, quark);
}
break;
case 9: // "sched_process_exit":
/* Fields: string comm, int32 tid, int32 prio */
+ break;
+
+ case 10: // "sched_process_free":
+ /* Fields: string comm, int32 tid, int32 prio */
+ /*
+ * A sched_process_free will always happen after the sched_switch
+ * that will remove the process from the cpu for the last time. So
+ * this is when we should delete everything wrt to the process.
+ */
{
- String processName = (String) content.getField(LttngStrings.COMM).getValue();
Integer tid = ((Long) content.getField(LttngStrings.TID).getValue()).intValue();
-
- /* Update the process' name, if we don't have it */
- quark = ss.getQuarkRelativeAndAdd(threadsNode, tid.toString(), Attributes.EXEC_NAME);
- value = TmfStateValue.newValueString(processName);
- ss.updateOngoingState(value, quark);
-
/*
* Remove the process and all its sub-attributes from the
* current state
}
break;
- case 10: // "sched_process_free":
- /* Fields: string comm, int32 tid, int32 prio */
- break;
-
// FIXME In CTF it's as "syscall_exec". Will have to be adapted.
// case LTT_EVENT_EXEC:
// filename = new String((byte[]) event.getField(0));
quark = ss.getQuarkRelativeAndAdd(currentThreadNode, Attributes.STATUS);
value = TmfStateValue.newValueInt(StateValues.PROCESS_STATUS_RUN_SYSCALL);
ss.modifyAttribute(ts, value, quark);
+
+ /* Put the CPU in system call (kernel) mode */
+ quark = ss.getQuarkRelativeAndAdd(currentCPUNode, Attributes.STATUS);
+ value = TmfStateValue.newValueInt(StateValues.CPU_STATUS_RUN_SYSCALL);
+ ss.modifyAttribute(ts, value, quark);
}
}
break;
projects / deliverable / tracecompass.git / blobdiff