On Tue, Nov 14, 2017 at 08:34:03PM +0530, Sriram V wrote: > Hi, > > I am running Linux along with image processing on my system. > Most watchdogs i have seen previously, has a 30 second/60 second > timer. The watchdog we have used currently has a fixed timeout value > of 1.6 seconds. > > I wanted to check if Linux can pet the watchdog say every 1 second. > Won't it over-load the system if i used mod_timer/workqueue? > > However, I think, Some activity in the system might cause false-resets > due to the cpu being busy in other tasks. > > Therefore, i wanted to check what is the safe minimum duration which > will avoid false-resets. > Why don't you just use the existing watchdog subsystem infrastructure, which does support that use case ? Do you have any evidence that it fails under some circumstances ? If so, can you let us know how to trigger that failure so we can understand it and find a possible fix ? Thanks, Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html