test/hotspot/jtreg/gc/logging/TestPrintReferences.java

rev 49684 : imported patch 8201487-do-not-rebalance-with-serial-processing

*** 52,85 ****
    static final String phase2 = "Phase2";
    static final String phase3 = "Phase3";
    static final String gcLogTimeRegex = ".* GC\\([0-9]+\\) ";
  
    public static void main(String[] args) throws Exception {
      ProcessBuilder pb_enabled = ProcessTools.createJavaProcessBuilder("-Xlog:gc+phases+ref=debug",
                                                                        "-XX:+UseG1GC",
                                                                        "-Xmx32M",
                                                                        // Explicit thread setting is required to avoid using only 1 thread
                                                                        "-XX:ParallelGCThreads=2",
                                                                        GCTest.class.getName());
      OutputAnalyzer output = new OutputAnalyzer(pb_enabled.start());
  
!     checkLogFormat(output);
      checkLogValue(output);
  
      output.shouldHaveExitValue(0);
    }
  
-   static String indent(int count) {
-     return " {" + count + "}";
-   }
- 
    // Find the first Reference Processing log and check its format.
!   public static void checkLogFormat(OutputAnalyzer output) {
      String countRegex = "[0-9]+";
      String timeRegex = doubleRegex + "ms";
      String totalRegex = gcLogTimeRegex + indent(4) + referenceProcessing + ": " + timeRegex + "\n";
!     String balanceRegex = gcLogTimeRegex + indent(8) + "Balance queues: " + timeRegex + "\n";
      String softRefRegex = gcLogTimeRegex + indent(6) + softReference + ": " + timeRegex + "\n";
      String weakRefRegex = gcLogTimeRegex + indent(6) + weakReference + ": " + timeRegex + "\n";
      String finalRefRegex = gcLogTimeRegex + indent(6) + finalReference + ": " + timeRegex + "\n";
      String phantomRefRegex = gcLogTimeRegex + indent(6) + phantomReference + ": " + timeRegex + "\n";
      String refDetailRegex = gcLogTimeRegex + indent(8) + phase2 + ": " + timeRegex + "\n" +
--- 52,91 ----
    static final String phase2 = "Phase2";
    static final String phase3 = "Phase3";
    static final String gcLogTimeRegex = ".* GC\\([0-9]+\\) ";
  
    public static void main(String[] args) throws Exception {
+     test(true);
+     test(false);
+   }
+ 
+   static String indent(int count) {
+     return " {" + count + "}";
+   }
+ 
+   public static void test(boolean parallelRefProcEnabled) throws Exception {
      ProcessBuilder pb_enabled = ProcessTools.createJavaProcessBuilder("-Xlog:gc+phases+ref=debug",
                                                                        "-XX:+UseG1GC",
                                                                        "-Xmx32M",
                                                                        // Explicit thread setting is required to avoid using only 1 thread
+                                                                       "-XX:" + (parallelRefProcEnabled ? "+" : "-") + "ParallelRefProcEnabled",
                                                                        "-XX:ParallelGCThreads=2",
                                                                        GCTest.class.getName());
      OutputAnalyzer output = new OutputAnalyzer(pb_enabled.start());
  
!     checkLogFormat(output, parallelRefProcEnabled);
      checkLogValue(output);
  
      output.shouldHaveExitValue(0);
    }
  
    // Find the first Reference Processing log and check its format.
!   public static void checkLogFormat(OutputAnalyzer output, boolean parallelRefProcEnabled) {
      String countRegex = "[0-9]+";
      String timeRegex = doubleRegex + "ms";
      String totalRegex = gcLogTimeRegex + indent(4) + referenceProcessing + ": " + timeRegex + "\n";
!     String balanceRegex = parallelRefProcEnabled ? gcLogTimeRegex + indent(8) + "Balance queues: " + timeRegex + "\n" : "";
      String softRefRegex = gcLogTimeRegex + indent(6) + softReference + ": " + timeRegex + "\n";
      String weakRefRegex = gcLogTimeRegex + indent(6) + weakReference + ": " + timeRegex + "\n";
      String finalRefRegex = gcLogTimeRegex + indent(6) + finalReference + ": " + timeRegex + "\n";
      String phantomRefRegex = gcLogTimeRegex + indent(6) + phantomReference + ": " + timeRegex + "\n";
      String refDetailRegex = gcLogTimeRegex + indent(8) + phase2 + ": " + timeRegex + "\n" +