control: add SWTBot test to test kernel filtering for events

Change-Id: I5de303ba182942b42cccb94db3995f0877cee5bd
Signed-off-by: Bernd Hufmann <Bernd.Hufmann@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/63592
Reviewed-by: Hudson CI
Tested-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>

diff --git a/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/AllTests.java b/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/AllTests.java
index ec84a93ae25cf269381eb4178fa7f90b37a9a677..0824230d8da5bd4dca0ff9e2bb9b99165dd4a042 100644 (file)
--- a/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/AllTests.java
+++ b/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/AllTests.java
@@ -17,8 +17,9 @@ import org.junit.runners.Suite;
  */
 @RunWith(Suite.class)
 @Suite.SuiteClasses({
-    ControlViewTest.class,
+    ControlViewKernelFilterTest.class,
     ControlViewProfileTest.class,
+    ControlViewTest.class
 })
 public class AllTests {
 

diff --git a/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/ControlViewKernelFilterTest.java b/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/ControlViewKernelFilterTest.java
new file mode 100644 (file)
index 0000000..91ffec2
--- /dev/null
+++ b/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/ControlViewKernelFilterTest.java
@@ -0,0 +1,218 @@
+/*******************************************************************************
+ * Copyright (c) 2015 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.eclipse.tracecompass.lttng2.control.ui.swtbot.tests;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import org.eclipse.swtbot.swt.finder.junit.SWTBotJunit4ClassRunner;
+import org.eclipse.swtbot.swt.finder.widgets.SWTBotCCombo;
+import org.eclipse.swtbot.swt.finder.widgets.SWTBotMenu;
+import org.eclipse.swtbot.swt.finder.widgets.SWTBotShell;
+import org.eclipse.swtbot.swt.finder.widgets.SWTBotText;
+import org.eclipse.swtbot.swt.finder.widgets.SWTBotTree;
+import org.eclipse.swtbot.swt.finder.widgets.SWTBotTreeItem;
+import org.eclipse.tracecompass.internal.lttng2.control.core.model.TraceSessionState;
+import org.eclipse.tracecompass.internal.lttng2.control.ui.views.model.ITraceControlComponent;
+import org.eclipse.tracecompass.internal.lttng2.control.ui.views.model.impl.TraceEventComponent;
+import org.eclipse.tracecompass.tmf.ui.swtbot.tests.shared.ConditionHelpers;
+import org.eclipse.tracecompass.tmf.ui.swtbot.tests.shared.SWTBotUtils;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * Test for the Control view in Trace Compass. This will test the save and load feature.
+ *
+ * @author Bernd Hufmann
+ */
+@RunWith(SWTBotJunit4ClassRunner.class)
+public class ControlViewKernelFilterTest extends ControlViewTest {
+
+    // ------------------------------------------------------------------------
+    // Constants
+    // ------------------------------------------------------------------------
+    private static final String TEST_STREAM = "CreateSessionTestLTTng2_7.cfg";
+    private static final String CREATE_SESSION_KERNEL_FILTER_SCENARIO_NAME = "KernelFilter";
+    private static final String CREATE_SESSION_KERNEL_FILTER_PROVIDER_SCENARIO_NAME = "KernelFilterProvider";
+
+    private static final String SESSION_NAME = "mysession";
+    private static final String FILTER_EXPRESSION = "next_tid==1234";
+    private static final String FILTER_EXPRESSION_DISPLAY = "with filter";
+
+    @Override
+    protected String getTestStream() {
+        return TEST_STREAM;
+    }
+
+    @Override
+    protected String getSessionName() {
+        return SESSION_NAME;
+    }
+
+    @Override
+    @Test
+    public void testTraceSessionTree() {
+
+        fProxy.setTestFile(fTestFile);
+        fProxy.setScenario(INIT_SCENARIO_NAME);
+
+        testConnectToNode();
+        // Prepare for saving of profile
+        fProxy.setScenario(CREATE_SESSION_KERNEL_FILTER_SCENARIO_NAME);
+        testCreateSession();
+        testEnableKernelEvent();
+        testStartStopTracing(TraceSessionState.ACTIVE);
+        testStartStopTracing(TraceSessionState.INACTIVE);
+        testDestroySession();
+        testDisconnectFromNode();
+    }
+
+    /**
+     * Test enable events from Kernel provider
+     */
+    @Test
+    public void testTraceSessionTreeKernelProvider() {
+
+        fProxy.setTestFile(fTestFile);
+        fProxy.setScenario(INIT_SCENARIO_NAME);
+
+        testConnectToNode();
+        // Prepare for saving of profile
+        fProxy.setScenario(CREATE_SESSION_KERNEL_FILTER_PROVIDER_SCENARIO_NAME);
+        testCreateSession();
+        testEnableKernelFromProviderEvent();
+        testStartStopTracing(TraceSessionState.ACTIVE);
+        testStartStopTracing(TraceSessionState.INACTIVE);
+        testDestroySession();
+        testDisconnectFromNode();
+    }
+
+    @Override
+    protected void testEnableKernelEvent() {
+        SWTBotTreeItem sessionItem = SWTBotUtils.getTreeItem(fBot, fTree,
+                getNodeName(),
+                ControlViewSwtBotUtil.SESSION_GROUP_NAME,
+                getSessionName());
+
+        sessionItem.select();
+        SWTBotMenu menuBot = sessionItem.contextMenu(ControlViewSwtBotUtil.ENABLE_EVENT_DEFAULT_CHANNEL_MENU_ITEM);
+        menuBot.click();
+
+        SWTBotShell shell = fBot.shell(ControlViewSwtBotUtil.ENABLE_EVENT_DIALOG_TITLE).activate();
+
+        SWTBotTree tracepointsTree = shell.bot().tree();
+        tracepointsTree.select(ControlViewSwtBotUtil.ALL_TREE_NODE);
+        SWTBotText filterText = shell.bot().textInGroup(ControlViewSwtBotUtil.FILTER_EXPRESSION_LABEL);
+        filterText.setText(FILTER_EXPRESSION);
+        shell.bot().button(ControlViewSwtBotUtil.DIALOG_OK_BUTTON).click();
+        SWTBotUtils.waitForJobs();
+
+        fBot.waitUntil(ConditionHelpers.IsTreeChildNodeAvailable(ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME, sessionItem));
+
+        SWTBotTreeItem kernelDomainItem = SWTBotUtils.getTreeItem(fBot, fTree,
+                getNodeName(),
+                ControlViewSwtBotUtil.SESSION_GROUP_NAME,
+                getSessionName(),
+                ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME);
+        assertEquals(ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME, kernelDomainItem.getText());
+
+        SWTBotTreeItem channelItem = SWTBotUtils.getTreeItem(fBot, fTree,
+                getNodeName(),
+                ControlViewSwtBotUtil.SESSION_GROUP_NAME,
+                getSessionName(),
+                ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME,
+                ControlViewSwtBotUtil.DEFAULT_CHANNEL_NAME);
+        assertEquals(ControlViewSwtBotUtil.DEFAULT_CHANNEL_NAME, channelItem.getText());
+
+        SWTBotTreeItem eventItem = SWTBotUtils.getTreeItem(fBot, fTree,
+                getNodeName(),
+                ControlViewSwtBotUtil.SESSION_GROUP_NAME,
+                getSessionName(),
+                ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME,
+                ControlViewSwtBotUtil.DEFAULT_CHANNEL_NAME,
+                ControlViewSwtBotUtil.ALL_EVENTS_NAME);
+        assertEquals(ControlViewSwtBotUtil.ALL_EVENTS_NAME, eventItem.getText());
+
+        ITraceControlComponent comp = ControlViewSwtBotUtil.getComponent(fNode,
+                ControlViewSwtBotUtil.SESSION_GROUP_NAME,
+                getSessionName(),
+                ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME,
+                ControlViewSwtBotUtil.DEFAULT_CHANNEL_NAME,
+                ControlViewSwtBotUtil.ALL_EVENTS_NAME);
+        assertNotNull(comp);
+        assertTrue(comp instanceof TraceEventComponent);
+        TraceEventComponent event = (TraceEventComponent) comp;
+        assertEquals(FILTER_EXPRESSION_DISPLAY, event.getFilterExpression());
+    }
+
+    private void testEnableKernelFromProviderEvent() {
+        SWTBotTreeItem kernelProviderEventItem = SWTBotUtils.getTreeItem(fBot, fTree,
+                getNodeName(),
+                ControlViewSwtBotUtil.PROVIDER_GROUP_NAME,
+                ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME,
+                ControlViewSwtBotUtil.SCHED_SWITCH_EVENT_NAME);
+
+        kernelProviderEventItem.select();
+        SWTBotMenu menuBot = kernelProviderEventItem.contextMenu(ControlViewSwtBotUtil.ENABLE_EVENT_MENU_ITEM);
+        menuBot.click();
+
+        SWTBotShell shell = fBot.shell(ControlViewSwtBotUtil.ENABLE_EVENT_DIALOG_TITLE).activate();
+        SWTBotCCombo sessionCombo = shell.bot().ccomboBoxInGroup(ControlViewSwtBotUtil.SESSION_LIST_GROUP_NAME);
+        sessionCombo.setSelection(getSessionName());
+        SWTBotText filterText = shell.bot().textInGroup(ControlViewSwtBotUtil.FILTER_EXPRESSION_LABEL);
+        filterText.setText(FILTER_EXPRESSION);
+        shell.bot().button(ControlViewSwtBotUtil.DIALOG_OK_BUTTON).click();
+        SWTBotUtils.waitForJobs();
+
+        SWTBotTreeItem sessionItem = SWTBotUtils.getTreeItem(fBot, fTree,
+                getNodeName(),
+                ControlViewSwtBotUtil.SESSION_GROUP_NAME,
+                getSessionName());
+
+        fBot.waitUntil(ConditionHelpers.IsTreeChildNodeAvailable(ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME, sessionItem));
+
+        SWTBotTreeItem kernelDomainItem = SWTBotUtils.getTreeItem(fBot, fTree,
+                getNodeName(),
+                ControlViewSwtBotUtil.SESSION_GROUP_NAME,
+                getSessionName(),
+                ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME);
+        assertEquals(ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME, kernelDomainItem.getText());
+
+        SWTBotTreeItem channelItem = SWTBotUtils.getTreeItem(fBot, fTree,
+                getNodeName(),
+                ControlViewSwtBotUtil.SESSION_GROUP_NAME,
+                getSessionName(),
+                ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME,
+                ControlViewSwtBotUtil.DEFAULT_CHANNEL_NAME);
+        assertEquals(ControlViewSwtBotUtil.DEFAULT_CHANNEL_NAME, channelItem.getText());
+
+        SWTBotTreeItem eventItem = SWTBotUtils.getTreeItem(fBot, fTree,
+                getNodeName(),
+                ControlViewSwtBotUtil.SESSION_GROUP_NAME,
+                getSessionName(),
+                ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME,
+                ControlViewSwtBotUtil.DEFAULT_CHANNEL_NAME,
+                ControlViewSwtBotUtil.SCHED_SWITCH_EVENT_NAME);
+        assertEquals(ControlViewSwtBotUtil.SCHED_SWITCH_EVENT_NAME, eventItem.getText());
+
+        ITraceControlComponent comp = ControlViewSwtBotUtil.getComponent(fNode,
+                ControlViewSwtBotUtil.SESSION_GROUP_NAME,
+                getSessionName(),
+                ControlViewSwtBotUtil.KERNEL_DOMAIN_NAME,
+                ControlViewSwtBotUtil.DEFAULT_CHANNEL_NAME,
+                ControlViewSwtBotUtil.SCHED_SWITCH_EVENT_NAME);
+        assertNotNull(comp);
+        assertTrue(comp instanceof TraceEventComponent);
+        TraceEventComponent event = (TraceEventComponent) comp;
+        assertEquals(FILTER_EXPRESSION_DISPLAY, event.getFilterExpression());
+    }
+
+}
\ No newline at end of file

diff --git a/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/ControlViewSwtBotUtil.java b/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/ControlViewSwtBotUtil.java
index 35786bda31f5e2fd46f58e846a3b2e34be5482a8..4f9de63131a8cc98c3e7bfb1670aed74d69f35da 100644 (file)
--- a/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/ControlViewSwtBotUtil.java
+++ b/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/src/org/eclipse/tracecompass/lttng2/control/ui/swtbot/tests/ControlViewSwtBotUtil.java
@@ -9,9 +9,12 @@
 
 package org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests;
 
+import java.util.Arrays;
+
 import org.eclipse.swtbot.swt.finder.waits.ICondition;
 import org.eclipse.tracecompass.internal.lttng2.control.core.model.TargetNodeState;
 import org.eclipse.tracecompass.internal.lttng2.control.core.model.TraceSessionState;
+import org.eclipse.tracecompass.internal.lttng2.control.ui.views.model.ITraceControlComponent;
 import org.eclipse.tracecompass.internal.lttng2.control.ui.views.model.impl.TargetNodeComponent;
 import org.eclipse.tracecompass.internal.lttng2.control.ui.views.model.impl.TraceSessionComponent;
 import org.eclipse.tracecompass.tmf.ui.swtbot.tests.shared.ConditionHelpers.SWTBotTestCondition;
@@ -28,7 +31,9 @@ class ControlViewSwtBotUtil {
     public static final String KERNEL_DOMAIN_NAME = "Kernel";
     public static final String UST_DOMAIN_NAME = "UST global";
     public static final String SESSION_GROUP_NAME = "Sessions";
+    public static final String PROVIDER_GROUP_NAME = "Provider";
     public static final String ALL_EVENTS_NAME = "*";
+    public static final String SCHED_SWITCH_EVENT_NAME = "sched_switch";
     public static final String PROFILE_SUFFIX = ".lttng";
 
     // Menu strings
@@ -58,6 +63,8 @@ class ControlViewSwtBotUtil {
     public static final String UST_GROUP_NAME = "UST";
     public static final String BUFFERTYPE_GROUP_NAME = "Buffer Type";
     public static final String BUFFERTYPE_PER_UID = "Per UID buffers";
+    public static final String FILTER_EXPRESSION_LABEL = "Filter Expression";
+    public static final String SESSION_LIST_GROUP_NAME = "Session List";
 
     public static final String DESTROY_CONFIRM_DIALOG_TITLE = "Destroy Confirmation";
     public static final String CHANNEL_NAME_LABEL = "Channel Name";
@@ -131,4 +138,27 @@ class ControlViewSwtBotUtil {
         return null;
     }
 
+    /**
+     * Finds a {@link ITraceControlComponent} in a tree for given path.
+     *
+     * @param root
+     *            root component
+     * @param path
+     *            path to element
+     * @return the matched component or null
+     */
+    public static ITraceControlComponent getComponent(ITraceControlComponent root, String... path) {
+        ITraceControlComponent newRoot = root;
+        for (String segment : path) {
+            newRoot = Arrays.asList(newRoot.getChildren()).stream()
+            .filter(child -> (child.getName().equals(segment)))
+            .findFirst()
+            .orElse(null);
+            if (newRoot == null) {
+                return null;
+            }
+        }
+        return newRoot;
+    }
+
 }

diff --git a/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/testfiles/CreateSessionTestLTTng2_7.cfg b/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/testfiles/CreateSessionTestLTTng2_7.cfg
index 9caffae204a63f34d921add0ad3469c388e0ee29..cf140b0fef01e8e4c68f40ff70f4b10789a64617 100644 (file)
--- a/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/testfiles/CreateSessionTestLTTng2_7.cfg
+++ b/lttng/org.eclipse.tracecompass.lttng2.control.ui.swtbot.tests/testfiles/CreateSessionTestLTTng2_7.cfg
@@ -185,3 +185,152 @@ lttng --mi xml destroy mysession
 <command><name>destroy</name><output><sessions><session><name>mysession</name><path>/home/eedbhu/lttng-traces/mysession-20151201-205959</path><enabled>false</enabled><snapshot_mode>0</snapshot_mode><live_timer_interval>0</live_timer_interval></session></sessions></output><success>true</success></command>
 </COMMAND_OUTPUT>
 </SCENARIO>
+
+<SCENARIO>
+KernelFilter
+<COMMAND_INPUT>
+lttng --mi xml create mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>create</name><output><session><name>mysession</name><path>/home/eedbhu/lttng-traces/mysession-20160105-151744</path><enabled>false</enabled><snapshot_mode>0</snapshot_mode><live_timer_interval>0</live_timer_interval></session></output><success>true</success></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml list mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>list</name><output><sessions><session><name>mysession</name><path>/home/eedbhu/lttng-traces/mysession-20160105-151744</path><enabled>false</enabled><snapshot_mode>0</snapshot_mode><live_timer_interval>0</live_timer_interval><domains/></session></sessions></output></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml enable-event -a -k -s mysession --tracepoint --filter next_tid==1234
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>enable-event</name><output><events><event><name>*</name><type>TRACEPOINT</type><enabled>true</enabled><filter>true</filter><loglevel>TRACE_EMERG</loglevel><loglevel_type>ALL</loglevel_type><exclusion>false</exclusion><success>true</success></event></events></output><success>true</success></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml list mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>list</name><output><sessions><session><name>mysession</name><path>/home/eedbhu/lttng-traces/mysession-20160105-151744</path><enabled>false</enabled><snapshot_mode>0</snapshot_mode><live_timer_interval>0</live_timer_interval><domains><domain><type>KERNEL</type><buffer_type>GLOBAL</buffer_type><trackers/><channels><channel><name>channel0</name><enabled>true</enabled><attributes><overwrite_mode>DISCARD</overwrite_mode><subbuffer_size>262144</subbuffer_size><subbuffer_count>4</subbuffer_count><switch_timer_interval>0</switch_timer_interval><read_timer_interval>200000</read_timer_interval><output_type>SPLICE</output_type><tracefile_size>0</tracefile_size><tracefile_count>0</tracefile_count><live_timer_interval>0</live_timer_interval></attributes><events><event><name>*</name><type>TRACEPOINT</type><enabled>true</enabled><filter>true</filter><loglevel>TRACE_EMERG</loglevel><loglevel_type>ALL</loglevel_type><exclusion>false</exclusion></event></events></channel></channels></domain></domains></session></sessions></output></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml start mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>start</name><output><sessions><session><name>mysession</name><enabled>true</enabled></session></sessions></output><success>true</success></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml stop mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>stop</name><output><sessions><session><name>mysession</name><enabled>false</enabled></session></sessions></output><success>true</success></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml destroy mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>destroy</name><output><sessions><session><name>mysession</name><path>/home/eedbhu/lttng-traces/mysession-20160105-151744</path><enabled>false</enabled><snapshot_mode>0</snapshot_mode><live_timer_interval>0</live_timer_interval></session></sessions></output><success>true</success></command>
+</COMMAND_OUTPUT>
+</SCENARIO>
+
+<SCENARIO>
+KernelFilterProvider
+<COMMAND_INPUT>
+lttng --mi xml create mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>create</name><output><session><name>mysession</name><path>/home/eedbhu/lttng-traces/mysession-20160105-151744</path><enabled>false</enabled><snapshot_mode>0</snapshot_mode><live_timer_interval>0</live_timer_interval></session></output><success>true</success></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml list mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>list</name><output><sessions><session><name>mysession</name><path>/home/eedbhu/lttng-traces/mysession-20160105-151744</path><enabled>false</enabled><snapshot_mode>0</snapshot_mode><live_timer_interval>0</live_timer_interval><domains/></session></sessions></output></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml enable-event sched_switch -k -s mysession --tracepoint --filter next_tid==1234
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>enable-event</name><output><events><event><name>sched_switch</name><type>TRACEPOINT</type><enabled>true</enabled><filter>true</filter><loglevel>TRACE_EMERG</loglevel><loglevel_type>ALL</loglevel_type><exclusion>false</exclusion><success>true</success></event></events></output><success>true</success></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml list mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>list</name><output><sessions><session><name>mysession</name><path>/home/eedbhu/lttng-traces/mysession-20160105-151744</path><enabled>false</enabled><snapshot_mode>0</snapshot_mode><live_timer_interval>0</live_timer_interval><domains><domain><type>KERNEL</type><buffer_type>GLOBAL</buffer_type><trackers/><channels><channel><name>channel0</name><enabled>true</enabled><attributes><overwrite_mode>DISCARD</overwrite_mode><subbuffer_size>262144</subbuffer_size><subbuffer_count>4</subbuffer_count><switch_timer_interval>0</switch_timer_interval><read_timer_interval>200000</read_timer_interval><output_type>SPLICE</output_type><tracefile_size>0</tracefile_size><tracefile_count>0</tracefile_count><live_timer_interval>0</live_timer_interval></attributes><events><event><name>sched_switch</name><type>TRACEPOINT</type><enabled>true</enabled><filter>true</filter><loglevel>TRACE_EMERG</loglevel><loglevel_type>ALL</loglevel_type><exclusion>false</exclusion></event></events></channel></channels></domain></domains></session></sessions></output></command>
+
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml start mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>start</name><output><sessions><session><name>mysession</name><enabled>true</enabled></session></sessions></output><success>true</success></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml stop mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>stop</name><output><sessions><session><name>mysession</name><enabled>false</enabled></session></sessions></output><success>true</success></command>
+</COMMAND_OUTPUT>
+<COMMAND_INPUT>
+lttng --mi xml destroy mysession
+</COMMAND_INPUT>
+<COMMAND_RESULT>
+0
+</COMMAND_RESULT>
+<COMMAND_OUTPUT>
+<?xml version="1.0" encoding="UTF-8"?>
+<command><name>destroy</name><output><sessions><session><name>mysession</name><path>/home/eedbhu/lttng-traces/mysession-20160105-151744</path><enabled>false</enabled><snapshot_mode>0</snapshot_mode><live_timer_interval>0</live_timer_interval></session></sessions></output><success>true</success></command>
+</COMMAND_OUTPUT>
+</SCENARIO>
\ No newline at end of file