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

RealCLanger · RealCLanger · commit 55a239c7a61e · 2022-11-17T22:15:22.000Z
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
@@ -158,7 +158,7 @@ public void write(byte b[]) throws IOException {
             write(b);
             bytesWritten = b.length;
         } finally {
-            long duration = EventConfiguration.timestamp();
+            long duration = EventConfiguration.timestamp() - start;
             if (eventConfiguration.shouldCommit(duration)) {
                 FileWriteEvent.commit(start, duration, path, bytesWritten);
             }

Original file line number	Diff line number	Diff line change
`@@ -158,7 +158,7 @@ public void write(byte b[]) throws IOException {`
`158`	`158`	`write(b);`
`159`	`159`	`bytesWritten = b.length;`
`160`	`160`	`} finally {`
`161`		`- long duration = EventConfiguration.timestamp();`
	`161`	`+ long duration = EventConfiguration.timestamp() - start;`
`162`	`162`	`if (eventConfiguration.shouldCommit(duration)) {`
`163`	`163`	`FileWriteEvent.commit(start, duration, path, bytesWritten);`
`164`	`164`	`}`