Various fixes related to JFR argument parsing.

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/collections/UninterruptiblePriorityQueue.java

@@ -134,6 +134,7 @@ private int indexOf(UninterruptibleComparable o) {
     }
 
     @Uninterruptible(reason = CALLED_FROM_UNINTERRUPTIBLE_CODE, mayBeInlined = true)
+    @SuppressWarnings("all")
     private static void siftUp(int k, UninterruptibleComparable x, UninterruptibleComparable[] es) {
         while (k > 0) {
             int parent = (k - 1) >>> 1;
@@ -148,6 +149,7 @@ private static void siftUp(int k, UninterruptibleComparable x, UninterruptibleCo
     }
 
     @Uninterruptible(reason = CALLED_FROM_UNINTERRUPTIBLE_CODE, mayBeInlined = true)
+    @SuppressWarnings("all")
     private static void siftDown(int k, UninterruptibleComparable x, UninterruptibleComparable[] es, int n) {
         // assert n > 0;
         int half = n >>> 1;           // loop while a non-leaf

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/doc-files/FlightRecorderOptionsHelp.txt

@@ -2,13 +2,9 @@ Usage: -XX:FlightRecorderOptions=[option[=value][,...]]
 
 This option expects a comma separated list of key-value pairs. None of the options are mandatory. Possible option keys are as follows:
 
-globalbuffercount=20       (Optional) Number of global JFR buffers. This is a legacy option.
+globalbuffersize=512k      (Optional) Size of each global JFR buffer.
                            This value cannot be changed once JFR has been initialized.
-                           The default value is determined by the values for memorysize and globalbuffersize.
-
-globalbuffersize=512k      (Optional) Size of each global JFR buffer. This is a legacy option.
-                           This value cannot be changed once JFR has been initialized.
-                           The default value is determined by the values for memorysize and globalbuffercount.
+                           The default value is determined by the value for memorysize.
 
 maxchunksize=12m           (Optional) Maximum size of each individual JFR data chunk.
                            This value cannot be changed once JFR has been initialized.
@@ -19,15 +15,15 @@ memorysize=10m             (Optional) Total size of all global JFR buffers.
 old-object-queue-size=256  (Optional) The maximum number of old objects to track when the JFR event
                            OldObjectSample is enabled.
 
-repositorypath=...         (Optional) Path to the location where JFR recordings are stored until they are
+repository=...             (Optional) Path to the location where JFR recordings are stored until they are
                            written to a permanent file.
                            The default location is the temporary directory for the operating system.
 
 stackdepth=64              (Optional) Stack depth for stack traces.
                            Setting this value greater than the default may cause a performance degradation.
                            This value cannot be changed once JFR has been initialized.
 
-thread_buffer_size=8k      (Optional) Size of each thread-local JFR buffer.
+threadbuffersize=8k        (Optional) Size of each thread-local JFR buffer.
                            This value cannot be changed once JFR has been initialized.
 
 preserve-repository=false  (Optional) Preserve files stored in the disk repository after the process exits.

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/JfrFeature.java

@@ -186,6 +186,7 @@ public void afterRegistration(AfterRegistrationAccess access) {
     @Override
     public void beforeAnalysis(BeforeAnalysisAccess access) {
         RuntimeSupport runtime = RuntimeSupport.getRuntimeSupport();
+        runtime.addInitializationHook(JfrManager.initializationHook());
         runtime.addStartupHook(JfrManager.startupHook());
         runtime.addShutdownHook(JfrManager.shutdownHook());
     }