On Tue, 8 Jul 2025, Christoph Lameter (Ampere) wrote: > > Right, per-node memory attribution, or per zone, is very useful. > > I thought that was already possible using cgroups? That way you have the > numbers for an application which may be much more useful. > > Cgroups can tell us the nature of the memory if it's charged, yes. Memory Allocation Profiling, which this patch series extends, however, provides much more detailed insight such as the caller that allocated the memory. It's been invaluable to identify memory efficiency savings and now, with Casey's patch, can be used to identify where NUMA imbalances exist for the same callers.
