Re: [PATCH v3 0/2] PM: refactor pm_pr_dbg() to support dynamic debug

[Rafael J. Wysocki]

On Thu, Mar 24, 2022 at 9:07 AM David Cohen <dacohen@xxxxx> wrote:
>
> Hi,
>
> I am currently debugging an issue with s2idle on my laptop where in a
> rare occasion instead of sleeping, it gets stuck in an infinite loop.
> The pm_pr_dbg() is placed on very useful functions and it helps me to
> debug it, but the current all or nothing enabling mechanism with
> pm_debug_messages_on flag is causing the suspending mechanism to be
> disturbed with so many debug messages to the point it becomes extremely
> difficult to reproduce the issue I'm debugging. More granularity when
> enabling pm_pr_dbg() in this case is very welcome.
>
> These patches I'm sending introduce dynamic debug support to pm_pr_dbg()
> while still maintaining the pm_debug_messages_on flag behavior if
> dynamic debug is not used.
>
> Regards, David
>
> ---
> David Cohen (2):
>   PM: narrow down -DDEBUG on kernel/power/ files
>   PM: enable dynamic debug support within pm_pr_dbg()

Both patches applied as 5.19 material, thanks!