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1 | /******************************************************************************* |
2 | * Copyright (c) 2013 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Alexandre Montplaisir - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.lttng2.ust.core.tests.trace.callstack; | |
14 | ||
15 | import static org.junit.Assert.assertEquals; | |
16 | import static org.junit.Assert.assertFalse; | |
17 | import static org.junit.Assert.assertNotNull; | |
18 | import static org.junit.Assert.assertTrue; | |
19 | import static org.junit.Assert.fail; | |
20 | import static org.junit.Assume.assumeTrue; | |
21 | ||
22 | import java.io.File; | |
23 | ||
24 | import org.eclipse.core.resources.IResource; | |
25 | import org.eclipse.core.runtime.IStatus; | |
26 | import org.eclipse.linuxtools.lttng2.ust.core.trace.LttngUstTrace; | |
27 | import org.eclipse.linuxtools.tmf.core.ctfadaptor.CtfTmfEvent; | |
28 | import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException; | |
29 | import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem; | |
30 | import org.eclipse.linuxtools.tmf.core.tests.shared.CtfTmfTestTrace; | |
31 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; | |
32 | import org.eclipse.linuxtools.tmf.core.trace.TmfTraceManager; | |
33 | import org.junit.AfterClass; | |
34 | import org.junit.BeforeClass; | |
35 | import org.junit.Test; | |
36 | ||
37 | /** | |
38 | * Test suite for the UST callstack state provider, using the trace of a program | |
39 | * instrumented with lttng-ust-cyg-profile.so tracepoints. | |
40 | * | |
41 | * @author Alexandre Montplaisir | |
42 | */ | |
43 | public class LttngUstCallStackProviderTest { | |
44 | ||
45 | // ------------------------------------------------------------------------ | |
46 | // Attributes | |
47 | // ------------------------------------------------------------------------ | |
48 | ||
49 | private static final CtfTmfTestTrace testTrace = CtfTmfTestTrace.CYG_PROFILE; | |
50 | private static final CtfTmfTestTrace otherUstTrace = CtfTmfTestTrace.HELLO_LOST; | |
51 | ||
52 | private static final String PROCNAME = "glxgears-16073"; | |
53 | ||
54 | private static LttngUstTrace fixture = null; | |
55 | ||
56 | // ------------------------------------------------------------------------ | |
57 | // Class methods | |
58 | // ------------------------------------------------------------------------ | |
59 | ||
60 | /** | |
61 | * Perform pre-class initialization. | |
62 | * | |
63 | * @throws TmfTraceException | |
64 | * If the test trace is not found | |
65 | */ | |
66 | @BeforeClass | |
67 | public static void setUp() throws TmfTraceException { | |
68 | assumeTrue(testTrace.exists()); | |
69 | ||
70 | /* We init the trace ourselves (we need the specific LttngUstTrace type) */ | |
71 | fixture = new LttngUstTrace(); | |
72 | IStatus valid = fixture.validate(null, testTrace.getPath()); | |
73 | assertTrue(valid.isOK()); | |
74 | fixture.initTrace((IResource) null, testTrace.getPath(), CtfTmfEvent.class); | |
75 | TestUtils.openTrace(fixture); | |
76 | } | |
77 | ||
78 | /** | |
79 | * Perform post-class clean-up. | |
80 | */ | |
81 | @AfterClass | |
82 | public static void tearDown() { | |
83 | if (fixture != null) { | |
84 | fixture.dispose(); | |
85 | File suppDir = new File(TmfTraceManager.getSupplementaryFileDir(fixture)); | |
86 | TestUtils.deleteDirectory(suppDir); | |
87 | } | |
88 | } | |
89 | ||
90 | // ------------------------------------------------------------------------ | |
91 | // Test methods | |
92 | // ------------------------------------------------------------------------ | |
93 | ||
94 | /** | |
95 | * Test the handling of generic UST traces who do not contain the required | |
96 | * information. | |
97 | */ | |
98 | @Test | |
99 | public void testOtherUstTrace() { | |
100 | /* Initialize the trace */ | |
101 | final LttngUstTrace ustTrace = new LttngUstTrace(); | |
102 | IStatus valid = ustTrace.validate(null, otherUstTrace.getPath()); | |
103 | assertTrue(valid.isOK()); | |
104 | try { | |
105 | ustTrace.initTrace((IResource) null, otherUstTrace.getPath(), CtfTmfEvent.class); | |
106 | } catch (TmfTraceException e) { | |
107 | fail(e.getMessage()); | |
108 | } | |
109 | TestUtils.openTrace(ustTrace); | |
110 | ||
111 | /* Make sure the generated state system exists, but is empty */ | |
112 | ITmfStateSystem ss = ustTrace.getStateSystems().get(TestUtils.SSID); | |
113 | assertNotNull(ss); | |
114 | assertTrue(ss.getStartTime() >= ustTrace.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue()); | |
115 | assertEquals(0, ss.getNbAttributes()); | |
116 | ||
117 | /* Dispose the trace */ | |
118 | ustTrace.dispose(); | |
119 | File suppDir = new File(TmfTraceManager.getSupplementaryFileDir(ustTrace)); | |
120 | TestUtils.deleteDirectory(suppDir); | |
121 | assertFalse(suppDir.exists()); | |
122 | } | |
123 | ||
124 | /** | |
125 | * Test that the callstack state system is there and contains data. | |
126 | */ | |
127 | @Test | |
128 | public void testConstruction() { | |
129 | ITmfStateSystem ss = fixture.getStateSystems().get(TestUtils.SSID); | |
130 | assertNotNull(ss); | |
131 | assertTrue(ss.getNbAttributes() > 0); | |
132 | } | |
133 | ||
134 | /** | |
135 | * Test the callstack at the beginning of the state system. | |
136 | */ | |
137 | @Test | |
138 | public void testCallStackBegin() { | |
139 | long start = fixture.getStateSystems().get(TestUtils.SSID).getStartTime(); | |
140 | String[] cs = TestUtils.getCallStack(fixture, PROCNAME, start); | |
141 | assertEquals(1, cs.length); | |
142 | ||
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144 | } |
145 | ||
146 | /** | |
147 | * Test the callstack somewhere in the trace. | |
148 | */ | |
149 | @Test | |
150 | public void testCallStack1() { | |
151 | String[] cs = TestUtils.getCallStack(fixture, PROCNAME, 1378850463600000000L); | |
152 | assertEquals(2, cs.length); | |
153 | ||
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154 | assertEquals("40472b", cs[0]); |
155 | assertEquals("403d60", cs[1]); | |
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156 | } |
157 | ||
158 | /** | |
159 | * Test the callstack somewhere in the trace. | |
160 | */ | |
161 | @Test | |
162 | public void testCallStack2() { | |
163 | String[] cs = TestUtils.getCallStack(fixture, PROCNAME, 1378850463770000000L); | |
164 | assertEquals(3, cs.length); | |
165 | ||
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166 | assertEquals("40472b", cs[0]); |
167 | assertEquals("403b14", cs[1]); | |
168 | assertEquals("401b23", cs[2]); | |
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169 | } |
170 | ||
171 | /** | |
172 | * Test the callstack somewhere in the trace. | |
173 | */ | |
174 | @Test | |
175 | public void testCallStack3() { | |
176 | String[] cs = TestUtils.getCallStack(fixture, PROCNAME, 1378850463868753000L); | |
177 | assertEquals(4, cs.length); | |
178 | ||
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179 | assertEquals("40472b", cs[0]); |
180 | assertEquals("4045c8", cs[1]); | |
181 | assertEquals("403760", cs[2]); | |
182 | assertEquals("401aac", cs[3]); | |
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183 | } |
184 | ||
185 | /** | |
186 | * Test the callstack at the end of the trace/state system. | |
187 | */ | |
188 | @Test | |
189 | public void testCallStackEnd() { | |
190 | long end = fixture.getStateSystems().get(TestUtils.SSID).getCurrentEndTime(); | |
191 | String[] cs = TestUtils.getCallStack(fixture, PROCNAME, end); | |
192 | assertEquals(3, cs.length); | |
193 | ||
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194 | assertEquals("40472b", cs[0]); |
195 | assertEquals("4045c8", cs[1]); | |
196 | assertEquals("403760", cs[2]); | |
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197 | } |
198 | } |