Re: [PATCH v4] tracing: Support to dump instance traces by ftrace_dump_on_oops

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On Wed, Feb 7, 2024 at 6:14 AM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
>
> On Wed, 7 Feb 2024 05:24:58 -0500
> Joel Fernandes <joel@xxxxxxxxxxxxxxxxx> wrote:
>
> > Btw, hopefully the "trace off on warning" and related boot parameters also apply
> > to instances, I haven't personally checked but I often couple those with the
> > dump-on-oops ones.
>
> Currently they do not. It would require an updated interface to do so,
> as sometimes instances can be used to continue tracing after a warning,
> so I don't want to make it for all instances.

Thanks for clarifying.

> Perhaps we need an option for these too, and have all options be
> updated via the command line. That way we don't need to make special
> boot line parameters for this. If we move these to options (keeping the
> proc interface for backward compatibility) it would make most features
> available to all with one change.

Agreed, that would be nice!!

 - Joel





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