On Tue, 2025-10-21 at 13:02 -0400, Steven Rostedt wrote:
> On Tue, 21 Oct 2025 10:58:06 -0500
> Crystal Wood <[email protected]> wrote:
> 
> > Huh, so I guess BPF is an exception to the "no generic printk to the
> > global trace instance except for debugging that generates a big boot
> > splat" rule?
> 
> bpf_printk() is an event and not the generic trace_printk() that would
> cause that splat. You can turn it off.

Ah, I see.

> > Speaking of which, why doesn't trace_osnoise.c call
> > trace_array_init_printk() given that it uses trace_array_printk_buf()?
> 
> Note, trace_array_printk() (which trace_array_init_printk()) only works for
> instances and does not print into the top level trace buffer.

Yes, it's for instances, such as the ones rtla creates.

-Crystal


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