Re: [PATCH] tracing/timerlat: Move hrtimer_init to timerlat_fd open()

Greg KH
2024-02-01T18:12:51Z

On Thu, Feb 01, 2024 at 01:08:23PM -0500, Steven Rostedt wrote:
> On Thu, 1 Feb 2024 10:05:59 -0800
> Greg KH <gregkh@linuxfoundation.org> wrote:
>
> > > timerlat_fd = open("/sys/kernel/tracing/osnoise/per_cpu/cpu0/timerlat_fd", 'r')
> > > timerlat_fd.close();
> > >
> > > # ./taskset -c 0 ./timerlat_load.py
> > > <BOOM>
> >
> > Then obviously, this is a real, functional, change, so say so in the
> > kernel changelog :)
>
> I've updated the change log to remove that comment and add the reproducer.

And cc: stable properly? thanks!