[PATCH v6 04/24] tracing: Add reset to trace remotes

Vincent Donnefort vdonnefort at google.com
Tue Sep 9 09:14:35 PDT 2025


On Tue, Sep 09, 2025 at 09:40:28AM -0400, Steven Rostedt wrote:
> On Tue, 9 Sep 2025 13:10:25 +0100
> Vincent Donnefort <vdonnefort at google.com> wrote:
> 
> > > I wonder if we should name the file "reset" to not be confusing to users
> > > when they cat the file and it doesn't produce any output.  
> > 
> > My idea was to keep the exact same interface as the rest of the tracing. I could
> > keep that /trace file for compatibility and add /reset?
> > 
> > "cat trace" could also just returns a text like *** not supported *** ?
> 
> If it's never going to be supported, I rather not add it. It not being
> there is a sure way of knowing it's not supported. Just adding it because
> the normal system has it is actually worse if it doesn't behave the same.

If later we extend the meta-page to support non-consuming read, /trace would
then become useful.

Another argument for non-consuming read would be to enable dump on panic.

But I understand your point, it might be wishful thinking at this point.

> 
> -- Steve



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