Re: [PATCH 00/40] Memory allocation profiling

Tejun Heo
2023-05-03T18:58:58Z

On Wed, May 03, 2023 at 02:56:44PM -0400, Kent Overstreet wrote:
> On Wed, May 03, 2023 at 08:40:07AM -1000, Tejun Heo wrote:
> > > Yeah, easy / default visibility argument does make sense to me.
> >
> > So, a bit of addition here. If this is the thrust, the debugfs part seems
> > rather redundant, right? That's trivially obtainable with tracing / bpf and
> > in a more flexible and performant manner. Also, are we happy with recording
> > just single depth for persistent tracking?
>
> Not sure what you're envisioning?
>
> I'd consider the debugfs interface pretty integral; it's much more
> discoverable for users, and it's hardly any code out of the whole
> patchset.

You can do the same thing with a bpftrace one liner tho. That's rather
difficult to beat.

Thanks.

--
tejun