On 6/17/26 20:18, Vlastimil Babka (SUSE) wrote: > On 6/17/26 17:03, Shakeel Butt wrote: >> On Wed, Jun 17, 2026 at 01:11:16PM +0200, David Hildenbrand (Arm) wrote: >>> >>> Given that trace events can quickly become stable ABI [1], are we really >>> sure we >>> want to add this? >> >> Yes, I think so as this is useful to get insights into lru cache draining. >> Trace events being stable or not is secondary IMHO. If in future we >> rearchitect >> the lru page handling where there is no cache draining anymore, we can make >> these a noops. > > Yeah and I don't recall ever that a change to a mm tracepoint would ever > break someone who'd complain and we'd have to revert it. Really? :)
Read the context of the link I posted once more. -- Cheers, David
