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lttng.control: Fix listing UST domains if there are no logger agents
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Don't fail if logger agents are not available (e.g. JUL).

[Fixed] listing UST domains if there are no logger agents

Fixes #192

Signed-off-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
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@bhufmann
bhufmann committed Dec 12, 2024
1 parent 71a804f commit a6eb70c
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Showing 7 changed files with 508 additions and 7 deletions.
24 changes: 23 additions & 1 deletion ...c/org/eclipse/tracecompass/lttng2/control/ui/tests/service/LTTngControlServiceMiTest.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/**********************************************************************
* Copyright (c) 2014 Ericsson
* Copyright (c) 2014, 2024 Ericsson
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License 2.0 which
Expand All @@ -21,6 +21,7 @@

import java.util.ArrayList;
import java.util.List;
import java.util.Optional;

import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.NullProgressMonitor;
Expand All @@ -30,6 +31,7 @@
import org.eclipse.tracecompass.internal.lttng2.control.core.model.IEventInfo;
import org.eclipse.tracecompass.internal.lttng2.control.core.model.ILoggerInfo;
import org.eclipse.tracecompass.internal.lttng2.control.core.model.ISessionInfo;
import org.eclipse.tracecompass.internal.lttng2.control.core.model.IUstProviderInfo;
import org.eclipse.tracecompass.internal.lttng2.control.core.model.LogLevelType;
import org.eclipse.tracecompass.internal.lttng2.control.core.model.TraceChannelOutputType;
import org.eclipse.tracecompass.internal.lttng2.control.core.model.TraceDomainType;
Expand Down Expand Up @@ -60,6 +62,7 @@ public class LTTngControlServiceMiTest extends LTTngControlServiceTest {
private static final String SCEN_ENABLING_JUL_LOGGERS = "EnableJulLoggers";
private static final String SCEN_ENABLING_LOG4J_LOGGERS = "EnableLog4jLoggers";
private static final String SCEN_ENABLING_PYTHON_LOGGERS = "EnablePythonLoggers";
private static final String SCEN_GET_UST_PROVIDER4 = "GetUstProvider4";

@Override
protected ILttngControlService getControlService() {
Expand Down Expand Up @@ -463,4 +466,23 @@ public void testEnablePythonLoggers() {
fail(e.toString());
}
}

@Test
@Override
public void testUstProvider4() {
try {
fShell.setScenario(SCEN_GET_UST_PROVIDER4);
List<IUstProviderInfo> providers = fService.getUstProvider();

assertNotNull(providers);
assertEquals(2, providers.size());

// Verify that there are no logger ust provider
Optional<IUstProviderInfo> optional = providers.stream().filter(provider -> provider.getLoggers().size() > 0).findFirst();
assertTrue(optional.isEmpty());

} catch (ExecutionException e) {
fail(e.toString());
}
}
}
6 changes: 5 additions & 1 deletion ...src/org/eclipse/tracecompass/lttng2/control/ui/tests/service/LTTngControlServiceTest.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/**********************************************************************
* Copyright (c) 2012, 2015 Ericsson
* Copyright (c) 2012, 2024 Ericsson
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License 2.0 which
Expand Down Expand Up @@ -746,6 +746,10 @@ public void testGetUstProvider3() {
}
}

@Test
public void testUstProvider4() {
// Nothing to do because loggers are only supported with MI.
}

@Test
public void testGetKernelProviderNoUst1() {
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156 changes: 155 additions & 1 deletion lttng/org.eclipse.tracecompass.lttng2.control.ui.tests/testfiles/LTTngServiceMi3Test.cfg
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
####################################################################
# Copyright (c) 2014, 2016 Ericsson
# Copyright (c) 2014, 2024 Ericsson
#
# All rights reserved. This program and the accompanying materials are
# made available under the terms of the Eclipse Public License 2.0 which
Expand Down Expand Up @@ -1334,6 +1334,160 @@ lttng --mi xml list -p
</command>
</COMMAND_OUTPUT>
</SCENARIO>

####################################################################
# Scenario: Test "lttng list -u -f" with missing logger agents
####################################################################
<SCENARIO>
GetUstProvider4
<COMMAND_INPUT>
lttng --mi xml list -u -f
</COMMAND_INPUT>
<COMMAND_RESULT>
0
</COMMAND_RESULT>
<COMMAND_OUTPUT>
<?xml version="1.0" encoding="UTF-8"?>
<command xmlns="http://lttng.org/xml/ns/lttng-mi" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://lttng.org/xml/ns/lttng-mi http://lttng.org/xml/schemas/lttng-mi/3/lttng-mi-3.0.xsd" schemaVersion="3.0">
<name>list</name>
<output>
<domains>
<domain>
<type>UST</type>
<buffer_type>PER_PID</buffer_type>
<pids>
<pid>
<id>9379</id>
<name>/home/user/git/lttng-ust/tests/hello.cxx/.libs/lt-hello</name>
<events>
<event>
<name>ust_tests_hello:tptest_sighandler</name>
<type>TRACEPOINT</type>
<enabled>true</enabled>
<loglevel>TRACE_DEBUG_MODULE</loglevel>
<loglevel_type>ALL</loglevel_type>
<event_fields/>
</event>
<event>
<name>ust_tests_hello:tptest</name>
<type>TRACEPOINT</type>
<enabled>true</enabled>
<loglevel>TRACE_INFO</loglevel>
<loglevel_type>ALL</loglevel_type>
<event_fields>
<event_field>
<name>doublefield</name>
<type>FLOAT</type>
<nowrite>0</nowrite>
</event_field>
<event_field>
<name>floatfield</name>
<type>FLOAT</type>
<nowrite>0</nowrite>
</event_field>
<event_field>
<name>stringfield</name>
<type>STRING</type>
<nowrite>0</nowrite>
</event_field>
</event_fields>
</event>
</events>
</pid>
<pid>
<id>4852</id>
<name>/home/user/git/lttng-ust/tests/hello.cxx/.libs/lt-hello</name>
<events>
<event>
<name>ust_tests_hello:tptest_sighandler</name>
<type>TRACEPOINT</type>
<enabled>true</enabled>
<loglevel>TRACE_WARNING</loglevel>
<loglevel_type>ALL</loglevel_type>
<event_fields/>
</event>
<event>
<name>ust_tests_hello:tptest</name>
<type>TRACEPOINT</type>
<enabled>true</enabled>
<loglevel>TRACE_DEBUG_FUNCTION</loglevel>
<loglevel_type>ALL</loglevel_type>
<event_fields>
<event_field>
<name>doublefield</name>
<type>FLOAT</type>
<nowrite>0</nowrite>
</event_field>
<event_field>
<name>floatfield</name>
<type>FLOAT</type>
<nowrite>0</nowrite>
</event_field>
<event_field>
<name>stringfield</name>
<type>STRING</type>
<nowrite>0</nowrite>
</event_field>
</event_fields>
</event>
</events>
</pid>
</pids>
</domain>
</domains>
</output>
</command>
</COMMAND_OUTPUT>
<COMMAND_INPUT>
lttng --mi xml list -j
</COMMAND_INPUT>
<COMMAND_RESULT>
1
</COMMAND_RESULT>
<COMMAND_OUTPUT>
<?xml version="1.0" encoding="UTF-8"?>
<command xmlns="http://lttng.org/xml/ns/lttng-mi" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://lttng.org/xml/ns/lttng-mi http://lttng.org/xml/schemas/lttng-mi/3/lttng-mi-3.0.xsd" schemaVersion="3.0">
<name>list</name>
<output/>
</command>
<COMMAND_ERROR_OUTPUT>
Error: Unable to list jul events: Session daemon agent tracing is disabled
</COMMAND_ERROR_OUTPUT>
</COMMAND_OUTPUT>
<COMMAND_INPUT>
lttng --mi xml list -l
</COMMAND_INPUT>
<COMMAND_RESULT>
1
</COMMAND_RESULT>
<COMMAND_OUTPUT>
<?xml version="1.0" encoding="UTF-8"?>
<command xmlns="http://lttng.org/xml/ns/lttng-mi" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://lttng.org/xml/ns/lttng-mi http://lttng.org/xml/schemas/lttng-mi/3/lttng-mi-3.0.xsd" schemaVersion="3.0">
<name>list</name>
<output/>
</command>
<COMMAND_ERROR_OUTPUT>
Error: Unable to list log4j events: Session daemon agent tracing is disabled
</COMMAND_ERROR_OUTPUT>
</COMMAND_OUTPUT>
<COMMAND_INPUT>
lttng --mi xml list -p
</COMMAND_INPUT>
<COMMAND_RESULT>
1
</COMMAND_RESULT>
<COMMAND_OUTPUT>
<?xml version="1.0" encoding="UTF-8"?>
<command xmlns="http://lttng.org/xml/ns/lttng-mi" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://lttng.org/xml/ns/lttng-mi http://lttng.org/xml/schemas/lttng-mi/3/lttng-mi-3.0.xsd" schemaVersion="3.0">
<name>list</name>
<output/>
</command>
<COMMAND_ERROR_OUTPUT>
Error: Unable to list python events: Session daemon agent tracing is disabled
</COMMAND_ERROR_OUTPUT>
</COMMAND_OUTPUT>
</SCENARIO>

####################################################################
# Scenario: Test "lttng create <session>
####################################################################
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