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>> +} >> + > ... ... >> @@ -9749,7 +9811,7 @@ static inline int task_is_ineligible_on_dst_cpu(struct task_struct *p, int dest_ >> * (default: ~50%) >> */ >> #define fits_llc_capacity(util, max) \ >> - ((util) * 100 < (max) * llc_overload_pct) >> + ((util) * 100 < (max) * get_sched_cache_cap_scale()) >> > > With this change, fits_llc_capacity() would be false if util is just 1/4 > of max(which is llc's total cpu capacity), is this intended? Yes, it was changed to this because we want to avoid performance regressions in some systems with a large number of SMTs per core-aggressive task aggregation is harmful to those systems. However, upon further thought, since we have a user-space knob to control how aggressively users want to enable task aggregation, we can try removing cpu_smt_num_threads and let users decide. I'll do some tests to check the impact. thanks, Chenyu