RFR: 8218997: Xusage text, man help, etc doesn't mention -Xlog option.

[Henry Jen]

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
 \    -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