8296733: JFR: File Read event for RandomAccessFile::write(byte[]) is incorrect

RealCLanger · RealCLanger · commit 17ecb74b52da · 2022-11-24T16:44:32.000Z
Reviewed-by: phh
Backport-of: ced88a2fd9a35e0e027661ef1f3c5ea3a5fff9e0
diff --git a/src/jdk.jfr/share/classes/jdk/jfr/internal/instrument/RandomAccessFileInstrumentor.java b/src/jdk.jfr/share/classes/jdk/jfr/internal/instrument/RandomAccessFileInstrumentor.java
@@ -156,7 +156,7 @@ public void write(byte b[]) throws IOException {
             write(b);
             bytesWritten = b.length;
         } finally {
-            long duration = EventHandler.timestamp();
+            long duration = EventHandler.timestamp() - start;
             if (handler.shouldCommit(duration)) {
                 handler.write(start, duration, path, bytesWritten);
             }

Original file line number	Diff line number	Diff line change
`@@ -156,7 +156,7 @@ public void write(byte b[]) throws IOException {`
`156`	`156`	`write(b);`
`157`	`157`	`bytesWritten = b.length;`
`158`	`158`	`} finally {`
`159`		`- long duration = EventHandler.timestamp();`
	`159`	`+ long duration = EventHandler.timestamp() - start;`
`160`	`160`	`if (handler.shouldCommit(duration)) {`
`161`	`161`	`handler.write(start, duration, path, bytesWritten);`
`162`	`162`	`}`