On Fri, 1 Nov 2024 12:06:38 +0800 mengensun88@xxxxxxxxx wrote: > Since 5.14-rc1, NUMA events will only be folded from per-CPU > statistics to per zone and global statistics when the user > actually needs it. > > Currently, the kernel has performs the fold operation when reading > /proc/vmstat, but does not perform the fold operation in > /proc/zoneinfo. This can lead to inaccuracies in the following > statistics in zoneinfo: > - numa_hit > - numa_miss > - numa_foreign > - numa_interleave > - numa_local > - numa_other Maybe we should backport this. Please tell us more about these inaccuracies. How large are they and what is the impact upon our users?
