Re: a question about how to debug this case in ftrace

[Song Chen]

not really, sounds like it meets my expectation of merging logs either 
way, "printk:console ftrace event" in cmdline? I searched it in code or 
google, no luck.

Song

在 2024/6/26 15:25, John Ogness 写道:
> On 2024-06-26, Song Chen <chensong_2000@xxxxxx> wrote:
> > ohh, by the way, i'm curious why softlockup/hardlockup/hungtask don't
> > have ftrace dump as well as rcu stall, or is it possible to add a
> > parameter in cmdline to redirect
> > softlockup/hardlockup/hungtask/rcustall warning either to ftrace or
> > printk.
>
> Are you aware of the printk:console ftrace event? If you enable it, all
> printk output also goes into the ftrace buffers.
>
> John Ogness