Re: [PATCH] sched/core: initialize resched_latency in sched_tick()

[Steven Rostedt]

On Wed, 18 Mar 2026 12:00:58 +0530
Shrikanth Hegde <sshegde@xxxxxxxxxxxxx> wrote:

> Whats the relevance of resched_latency warnings in the age of preempt
> kernels being the default for majority of the archs.
> 
> In case of full/lazy preemption, at the end of sched_tick itself we would call
> schedule if need_resched is set provided it was preemptible.
> 
> It kind of makes sense for non preemptive kernels. But we have preemptoff and
> preemptirqoff tracers which one could use. (although may need a kernel build)
> 
> What bugs is it catching these days?

Good point. I've never used it. I guess the question is, does anyone?

-- Steve