1 /*******************************************************************************
2 * Copyright (c) 2013, 2014 Ericsson
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
10 * Alexandre Montplaisir - Initial API and implementation
11 ******************************************************************************/
13 package org
.eclipse
.tracecompass
.lttng2
.kernel
.core
.tests
.analysis
.kernel
.statesystem
;
16 import java
.io
.FileWriter
;
17 import java
.io
.PrintWriter
;
18 import java
.util
.List
;
20 import org
.eclipse
.tracecompass
.internal
.lttng2
.kernel
.core
.trace
.layout
.LttngEventLayout
;
21 import org
.eclipse
.tracecompass
.lttng2
.kernel
.core
.analysis
.kernel
.LttngKernelStateProvider
;
22 import org
.eclipse
.tracecompass
.statesystem
.core
.ITmfStateSystem
;
23 import org
.eclipse
.tracecompass
.statesystem
.core
.interval
.ITmfStateInterval
;
24 import org
.eclipse
.tracecompass
.statesystem
.core
.statevalue
.ITmfStateValue
;
25 import org
.eclipse
.tracecompass
.tmf
.core
.statesystem
.ITmfStateProvider
;
26 import org
.eclipse
.tracecompass
.tmf
.core
.statesystem
.TmfStateSystemAnalysisModule
;
27 import org
.eclipse
.tracecompass
.tmf
.ctf
.core
.tests
.shared
.CtfTmfTestTrace
;
28 import org
.eclipse
.tracecompass
.tmf
.ctf
.core
.trace
.CtfTmfTrace
;
31 * Small program to regenerate the values used in "TestValues.java" from the
32 * current LTTng-kernel state provider.
34 * It will write its output the a file called 'TestValues<something>.java' in your
35 * temporary files directory.
37 * @author Alexandre Montplaisir
39 public class GenerateTestValues
{
41 private static CtfTmfTestTrace testTrace
= CtfTmfTestTrace
.TRACE2
;
42 private static final long targetTimestamp
= 18670067372290L + 1331649577946812237L;
43 private static final String INDENT
= " ";
49 * Command-line arguments, unused.
51 * I'm messing with Exception. Come at me bro!
53 public static void main(String
[] args
) throws Exception
{
54 if (!testTrace
.exists()) {
55 System
.err
.println("Trace files not present.");
59 /* Prepare the files */
60 File logFile
= File
.createTempFile("TestValues", ".java");
61 try (final CtfTmfTrace trace
= testTrace
.getTrace();
62 PrintWriter writer
= new PrintWriter(new FileWriter(logFile
), true);) {
64 /* Build and query the state system */
65 TmfStateSystemAnalysisModule module
= new TmfStateSystemAnalysisModule() {
67 protected ITmfStateProvider
createStateProvider() {
68 return new LttngKernelStateProvider(trace
, LttngEventLayout
.getInstance());
72 protected String
getSsFileName() {
77 module
.setTrace(trace
);
78 module
.setId("test-values");
80 module
.waitForCompletion();
81 ITmfStateSystem ssq
= module
.getStateSystem();
83 throw new IllegalStateException();
86 List
<ITmfStateInterval
> fullState
= ssq
.queryFullState(targetTimestamp
);
88 /* Start printing the java file's contents */
89 writer
.println("interface TestValues {");
91 writer
.println(INDENT
+ "static final int size = " + fullState
.size() + ";");
94 /* Print the array contents */
95 writer
.println(INDENT
+ "static final long[] startTimes = {");
96 for (ITmfStateInterval interval
: fullState
) {
97 writer
.println(INDENT
+ INDENT
+ String
.valueOf(interval
.getStartTime()) + "L,");
99 writer
.println(INDENT
+ "};");
102 writer
.println(INDENT
+ "static final long[] endTimes = {");
103 for (ITmfStateInterval interval
: fullState
) {
104 writer
.println(INDENT
+ INDENT
+ String
.valueOf(interval
.getEndTime()) + "L,");
106 writer
.println(INDENT
+ "};");
109 writer
.println(INDENT
+ "static final ITmfStateValue[] values = {");
110 for (ITmfStateInterval interval
: fullState
) {
111 ITmfStateValue val
= interval
.getStateValue();
112 writer
.print(INDENT
+ INDENT
);
114 switch (val
.getType()) {
116 writer
.println("TmfStateValue.nullValue(),");
119 writer
.println("TmfStateValue.newValueInt(" + val
.unboxInt() + "),");
122 writer
.println("TmfStateValue.newValueLong(" + val
.unboxLong() + "),");
125 writer
.println("TmfStateValue.newValueDouble(" + val
.unboxDouble() + "),");
128 writer
.println("TmfStateValue.newValueString(\"" + val
.unboxStr() + "\"),");
131 writer
.println(val
.toString());
135 writer
.println(INDENT
+ "};");