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25 
26 package jdk.jfr.startupargs;
27 
28 import jdk.test.lib.Asserts;
29 import jdk.test.lib.process.OutputAnalyzer;
30 import jdk.test.lib.process.ProcessTools;
31 
32 /**
33  * @test
34  * @key jfr
35  *
36  *
37  * @library /lib /
38  *
39  * @run main jdk.jfr.startupargs.TestMultipleStartupRecordings
40  */
41 public class TestMultipleStartupRecordings {
42 
43     private static final String START_FLIGHT_RECORDING = "-XX:StartFlightRecording";
44     private static final String FLIGHT_RECORDER_OPTIONS = "-XX:FlightRecorderOptions";
45 
46     static class MainClass {
main(String[] args)47         public static void main(String[] args) {
48         }
49     }
50 
test(ProcessBuilder pb, String... expectedOutputs)51     private static void test(ProcessBuilder pb, String... expectedOutputs) throws Exception {
52         OutputAnalyzer output = new OutputAnalyzer(pb.start());
53         for (String s : expectedOutputs) {
54             output.shouldContain(s);
55         }
56     }
57 
launchUnary(String options)58     private static void launchUnary(String options) throws Exception {
59         String recording1 = START_FLIGHT_RECORDING + (options != null ? options : "");
60         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, recording1, MainClass.class.getName());
61         test(pb, "Started recording 1");
62     }
63 
launchBinary(String options1, String options2)64     private static void launchBinary(String options1, String options2) throws Exception {
65         String recording1 = START_FLIGHT_RECORDING + (options1 != null ? options1 : "");
66         String recording2 = START_FLIGHT_RECORDING + (options2 != null ? options2 : "");
67         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, recording1, recording2, MainClass.class.getName());
68         test(pb, "Started recording 1", "Started recording 2");
69     }
70 
launchTernary(String options1, String options2, String options3)71     private static void launchTernary(String options1, String options2, String options3) throws Exception {
72         String recording1 = START_FLIGHT_RECORDING + (options1 != null ? options1 : "");
73         String recording2 = START_FLIGHT_RECORDING + (options2 != null ? options2 : "");
74         String recording3 = START_FLIGHT_RECORDING + (options3 != null ? options3 : "");
75         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, recording1, recording2, recording3, MainClass.class.getName());
76         test(pb, "Started recording 1", "Started recording 2", "Started recording 3");
77     }
78 
testDefault()79     private static void testDefault() throws Exception {
80         System.out.println("testDefault");
81         launchUnary(null);
82         launchBinary(null, null);
83         launchTernary(null, null, null);
84     }
85 
testColonDelimited()86     private static void testColonDelimited() throws Exception {
87         launchBinary(":name=myrecording1,filename=myrecording1.jfr", ":filename=myrecording2.jfr,name=myrecording2");
88     }
89 
testMixed()90     private static void testMixed() throws Exception {
91         launchTernary(":maxage=2d,maxsize=5GB", "=dumponexit=true,maxage=10m,", ":name=myrecording,maxage=10m,filename=myrecording.jfr,disk=false");
92     }
93 
testWithFlightRecorderOptions()94     private static void testWithFlightRecorderOptions() throws Exception {
95         System.out.println("testWithFlightRecorderOptions");
96         String flightRecorderOptions = FLIGHT_RECORDER_OPTIONS + "=maxchunksize=8m";
97         String recording1 = START_FLIGHT_RECORDING + "=filename=recording1.jfr";
98         String recording2 = START_FLIGHT_RECORDING + "=name=myrecording,filename=recording2.jfr";
99         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, flightRecorderOptions, recording1, recording2, MainClass.class.getName());
100         test(pb, "Started recording 1", "Started recording 2");
101     }
102 
main(String[] args)103     public static void main(String[] args) throws Exception {
104         testDefault();
105         testColonDelimited();
106         testMixed();
107         testWithFlightRecorderOptions();
108     }
109 }
110