On Tue, 18 Nov 2025 11:27:30 GMT, Renjith Kannath Pariyangad <[email protected]> wrote:
> Hi Reviewers, > > Observed these two demon threads are created on class initializing time due > to static variable and static block call. Observed > [ScreencastHelper.isAvailable()](https://github.com/openjdk/jdk/blob/28d94d6ab4994b844af98c5c227b40b5fb8a72e5/src/java.desktop/unix/classes/sun/awt/X11/XToolkit.java#L1527) > from XToolkit.java call is enough to start these demon threads on latest > Linux (Gnome version 47 and above). In my observation some simple workflows > not passing through the code where these **Watchers** are required, at the > same time threads are running because of the above reason. So moving those > into lazy loading will improve loading time and performance. > > Please review and let me know your suggestions. > > Renjith. I'm not familiar with this part of the code, but this might be a good candidate for `StableValue` / `LazyConstant`, once it's ready? https://mail.openjdk.org/pipermail/client-libs-dev/2025-September/032518.html ------------- PR Comment: https://git.openjdk.org/jdk/pull/28369#issuecomment-3548497817
