On 2/22/23 20:31, Suren Baghdasaryan wrote: > We would like to continue the discussion about code tagging use for > memory allocation profiling. The code tagging framework [1] and its > applications were posted as an RFC [2] and discussed at LPC 2022. It > has many applications proposed in the RFC but we would like to focus > on its application for memory profiling. It can be used as a > low-overhead solution to track memory leaks, rank memory consumers by > the amount of memory they use, identify memory allocation hot paths > and possible other use cases. > Kent Overstreet and I worked on simplifying the solution, minimizing > the overhead and implementing features requested during RFC review. IIRC one large objection was the use of page_ext, I don't recall if you found another solution to that? > Kent Overstreet, Michal Hocko, Johannes Weiner, Matthew Wilcox, Andrew > Morton, David Hildenbrand, Vlastimil Babka, Roman Gushchin would be > good participants. > > [1] https://lwn.net/Articles/906660/ > [2] https://lore.kernel.org/all/20220830214919.53220-1-surenb@xxxxxxxxxx/ >
