On Tue, Jul 22, 2025 at 05:01:50PM +0800, Chen Ridong <chenridong@xxxxxxxxxxxxxxx> wrote: > Specifically, this change would allow us to: > > 1.Remove these CPU-specific callbacks from the core: > css_extra_stat_show() > css_local_stat_show() > 2. Clean up the 'is_self' logic in rstat.c. If you see an option to organize the code better, why not. (At the same time, I currently also don't see the "why.) > 3. Make the stat handling consistent across subsystems (currently cpu.stat is the only > subsystem-specific stat implemented in the core). But beware that the possibility of having cpu.stat without enabling the cpu controller on v2 is a user visible behavior and I'm quite sure some userspace relies on it, so you'd need to preserve that. Michal
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