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8291022: JFR: Reduce logging in ChunkHeader constructor

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Reviewed-by: mgronlun
This commit is contained in:
Erik Gahlin 2022-09-30 16:30:45 +00:00
parent 3efbd5f0fa
commit 1d26c4b149
1 changed files with 14 additions and 10 deletions
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24
src/jdk.jfr/share/classes/jdk/jfr/internal/consumer/ChunkHeader.java
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@ -88,21 +88,25 @@ public final class ChunkHeader {
if (major != 1 && major != 2) { if (major != 1 && major != 2) {
throw new IOException("File version " + major + "." + minor + ". Only Flight Recorder files of version 1.x and 2.x can be read by this JDK."); throw new IOException("File version " + major + "." + minor + ". Only Flight Recorder files of version 1.x and 2.x can be read by this JDK.");
} }
long c = input.readRawLong(); // chunk size // Chunk size, constant pool position and metadata position are
Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Chunk: chunkSize=" + c); // updated by JVM and not reliable to read
long cp = input.readRawLong(); // constant pool position input.skipBytes(3 * Long.BYTES);
Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Chunk: constantPoolPosition=" + cp);
long mp = input.readRawLong(); // metadata position chunkStartNanos = input.readRawLong();
Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Chunk: metadataPosition=" + mp);
chunkStartNanos = input.readRawLong(); // nanos since epoch
Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Chunk: startNanos=" + chunkStartNanos); Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Chunk: startNanos=" + chunkStartNanos);
durationNanos = input.readRawLong(); // duration nanos, not used
Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Chunk: durationNanos=" + durationNanos); // Duration nanos, updated by JVM and not reliable to read
input.skipBytes(Long.BYTES);
chunkStartTicks = input.readRawLong(); chunkStartTicks = input.readRawLong();
Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Chunk: startTicks=" + chunkStartTicks); Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Chunk: startTicks=" + chunkStartTicks);
ticksPerSecond = input.readRawLong(); ticksPerSecond = input.readRawLong();
Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Chunk: ticksPerSecond=" + ticksPerSecond); Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Chunk: ticksPerSecond=" + ticksPerSecond);
input.readRawInt(); // ignore file state and flag bits
// File state and flag bit, updated by JVM and not reliable to read
input.skipBytes(Integer.BYTES);
refresh(); refresh();
input.position(absoluteEventStart); input.position(absoluteEventStart);
} }