Re: Kernelshark latency field

On Fri, 31 Oct 2025 11:52:59 -0300
Jorge Merlino <[email protected]> wrote:

> Hi folks,
> 
> I've been using kernelshark 2.2.1 and have noticed that the latency 
> field on the grid has five chars in it. The documentation [1] only 
> mention 4 fields. Anyone knows what the fifth is for?

Ah thanks for letting us know. I should update the documentation.

The fifth field is "migration disabled counter". It still allows the task
to be preempted by another task, but it will temporarily pin that task to
the CPU. It's a new feature to the Linux kernel and was introduced in 5.11.

-- Steve