52     static final byte CHECKPOINT_FLUSH_MASK = 1;

    52     static final byte CHECKPOINT_FLUSH_MASK = 1;

    53     // Checkpoint contains chunk header information in the first pool

    53     // Checkpoint contains chunk header information in the first pool

    54     static final byte CHECKPOINT_CHUNK_HEADER_MASK = 2;

    54     static final byte CHECKPOINT_CHUNK_HEADER_MASK = 2;

    55     // Checkpoint contains only statics that will not change from chunk to chunk

    55     // Checkpoint contains only statics that will not change from chunk to chunk

    56     static final byte CHECKPOINT_STATICS_MASK = 4;

    56     static final byte CHECKPOINT_STATICS_MASK = 4;

    58     static final byte CHECKPOINT_THREADS_MASK = 8;

    58     static final byte CHECKPOINT_THREADS_MASK = 8;

    59 

    59 

    60     private static final long CONSTANT_POOL_TYPE_ID = 1;

    60     private static final long CONSTANT_POOL_TYPE_ID = 1;

    61     private static final String CHUNKHEADER = "jdk.types.ChunkHeader";

    61     private static final String CHUNKHEADER = "jdk.types.ChunkHeader";

    62     private final RecordingInput input;

    62     private final RecordingInput input;

   207         return null;

   207         return null;

   208     }

   208     }

   209 

   209 

   210     private void parseCheckpoint() throws IOException {

   210     private void parseCheckpoint() throws IOException {

   211         // Content has been parsed previously. This

   211         // Content has been parsed previously. This

   213         input.readLong(); // timestamp

   213         input.readLong(); // timestamp

   214         input.readLong(); // duration

   214         input.readLong(); // duration

   215         input.readLong(); // delta

   215         input.readLong(); // delta

   216         byte c = input.readByte();

   216         byte c = input.readByte();

   217         if ((c & CHECKPOINT_FLUSH_MASK)== 1) {

   217         if ((c & CHECKPOINT_FLUSH_MASK)== 1) {

   447     }

   447     }

   448 

   448 

   449     public long getStartNanos() {

   449     public long getStartNanos() {

   450         return chunkHeader.getStartNanos();

   450         return chunkHeader.getStartNanos();

   451     }

   451     }

   454 }

   452 }