Hi Henry,
On 22/05/2019 8:41 am, Henry Jen wrote:
Hi,
Please review a trivial patch that add some hints about how to use -Xlog in
java help and man page.
diff -r cd3eeeec74c0
src/java.base/share/classes/sun/launcher/resources/launcher.properties
--- a/src/java.base/share/classes/sun/launcher/resources/launcher.properties
Tue May 21 15:08:50 2019 -0700
+++ b/src/java.base/share/classes/sun/launcher/resources/launcher.properties
Tue May 21 15:31:52 2019 -0700
@@ -138,6 +138,7 @@
\ -Xinternalversion\n\
\ displays more detailed JVM version information than
the\n\
\ -version option\n\
+\ -Xlog:<opts> control JVM logging, use -Xlog:help for details
I would suggest using the same words as used in the online tool
reference page [1]:
Configure or enable logging with the Java Virtual Machine (JVM) unified
logging framework. Use -Xlog:help for details.
Ditto for the man page.
Cheers,
David
[1]
https://docs.oracle.com/en/java/javase/12/tools/java.html#GUID-3B1CE181-CD30-4178-9602-230B800D4FAE
\ -Xloggc:<file> log GC status to a file with time stamps\n\
\ -Xmixed mixed mode execution (default)\n\
\ -Xmn<size> sets the initial and maximum size (in bytes) of the
heap\n\
diff -r cd3eeeec74c0 src/java.base/share/man/java.1
--- a/src/java.base/share/man/java.1 Tue May 21 15:08:50 2019 -0700
+++ b/src/java.base/share/man/java.1 Tue May 21 15:31:52 2019 -0700
@@ -732,6 +732,11 @@
option, and then exits\&.
.RE
.PP
+\-Xlog:\fIopts\fR
+.RS 4
+Control JVM logging, use \fB\-Xlog:help\fR for details.
+.RE
+.PP
\-Xloggc:\fIfilename\fR
.RS 4
Sets the file to which verbose GC events information should be redirected for
logging\&. The information written to this file is similar to the output of
Cheers,
Henry
