On Wed, 2007-09-05 at 16:47 +0200, Gilles Chanteperdrix wrote: > Philippe Gerum wrote: > > On Tue, 2007-09-04 at 15:12 +0200, Johan Borkhuis wrote: > > > I made the following change to Xenomai (version 2.3.2, but it could also > > > be applied to 2.4 as the watchdog code has not been changed). > > > > > > The watchdog timeout is fixed at 4 seconds. For us this is a problem as > > > there are some processes that take more time than this. > > > > > > I made the following change to allow this to be changed through the > > > Linux kernel configuration. The value is configurable between 1 and 60 > > > seconds. > > > > > > Below is a patchfile that implements this change. Please let me know if > > > you have comments on this, or if there are problems with this change. > > > > > > > Looks good. Will merge, thanks. > > I have nothing against the patch. > > That said, if you have a real-time activity that does not let Linux run > for 4 seconds, you are risking some troubles when the real-time activity > gives back the control to Linux, such as random lockups for example. >
You could also use this feature to lower the deadline below 4 secs, which is already pretty high. -- Philippe. _______________________________________________ Xenomai-core mailing list Xenomai-core@gna.org https://mail.gna.org/listinfo/xenomai-core