Re: [PATCH v4 06/18] tracing/remotes: Add dmesg tracefs file
From: Steven Rostedt
Date: Tue Aug 11 2026 - 10:06:34 EST
On Tue, 11 Aug 2026 10:09:27 +0100
Vincent Donnefort <vdonnefort@xxxxxxxxxx> wrote:
> > > This is a pre-existing issue, but if an oversized event causes
> > > trace_remote_iter_print_event() to return -EOVERFLOW, will this break
> > > the loop without calling trace_remote_iter_move()?
> > >
> > > Since the event is left unconsumed in the buffer, could this lead to an
> > > uninterruptible infinite loop (hard lockup) when reading the trace pipe?
> >
> > I'll let you answer the above.
> >
> > -- Steve
>
> I don't believe this can realistically happen, trace_seq buffer is 8K and remote
> events are really small.
They are small until they are not ;-)
Is there anything that forces their size to be small?
-- Steve