Lines Matching +full:3 +full:rd
231 pr_info("rd %*pbl: Checking EAS, CPUs do not have asymmetric capacities\n", in sched_is_eas_possible()
240 pr_info("rd %*pbl: Checking EAS, SMT is not supported\n", in sched_is_eas_possible()
248 pr_info("rd %*pbl: Checking EAS: frequency-invariant load tracking not yet supported", in sched_is_eas_possible()
259 pr_info("rd %*pbl: Checking EAS, cpufreq policy not set for CPU: %d", in sched_is_eas_possible()
268 pr_info("rd %*pbl: Checking EAS, schedutil is mandatory\n", in sched_is_eas_possible()
421 * 3. no SMT is detected.
422 * 4. schedutil is driving the frequency of all CPUs of the rd;
430 struct root_domain *rd = cpu_rq(cpu)->rd; in build_perf_domains() local
454 tmp = rd->pd; in build_perf_domains()
455 rcu_assign_pointer(rd->pd, pd); in build_perf_domains()
463 tmp = rd->pd; in build_perf_domains()
464 rcu_assign_pointer(rd->pd, NULL); in build_perf_domains()
476 struct root_domain *rd = container_of(rcu, struct root_domain, rcu); in free_rootdomain() local
478 cpupri_cleanup(&rd->cpupri); in free_rootdomain()
479 cpudl_cleanup(&rd->cpudl); in free_rootdomain()
480 free_cpumask_var(rd->dlo_mask); in free_rootdomain()
481 free_cpumask_var(rd->rto_mask); in free_rootdomain()
482 free_cpumask_var(rd->online); in free_rootdomain()
483 free_cpumask_var(rd->span); in free_rootdomain()
484 free_pd(rd->pd); in free_rootdomain()
485 kfree(rd); in free_rootdomain()
488 void rq_attach_root(struct rq *rq, struct root_domain *rd) in rq_attach_root() argument
495 if (rq->rd) { in rq_attach_root()
496 old_rd = rq->rd; in rq_attach_root()
512 atomic_inc(&rd->refcount); in rq_attach_root()
513 rq->rd = rd; in rq_attach_root()
515 cpumask_set_cpu(rq->cpu, rd->span); in rq_attach_root()
521 * move the fair server bw to the rd if it already started. in rq_attach_root()
533 void sched_get_rd(struct root_domain *rd) in sched_get_rd() argument
535 atomic_inc(&rd->refcount); in sched_get_rd()
538 void sched_put_rd(struct root_domain *rd) in sched_put_rd() argument
540 if (!atomic_dec_and_test(&rd->refcount)) in sched_put_rd()
543 call_rcu(&rd->rcu, free_rootdomain); in sched_put_rd()
546 static int init_rootdomain(struct root_domain *rd) in init_rootdomain() argument
548 if (!zalloc_cpumask_var(&rd->span, GFP_KERNEL)) in init_rootdomain()
550 if (!zalloc_cpumask_var(&rd->online, GFP_KERNEL)) in init_rootdomain()
552 if (!zalloc_cpumask_var(&rd->dlo_mask, GFP_KERNEL)) in init_rootdomain()
554 if (!zalloc_cpumask_var(&rd->rto_mask, GFP_KERNEL)) in init_rootdomain()
558 rd->rto_cpu = -1; in init_rootdomain()
559 raw_spin_lock_init(&rd->rto_lock); in init_rootdomain()
560 rd->rto_push_work = IRQ_WORK_INIT_HARD(rto_push_irq_work_func); in init_rootdomain()
563 rd->visit_gen = 0; in init_rootdomain()
564 init_dl_bw(&rd->dl_bw); in init_rootdomain()
565 if (cpudl_init(&rd->cpudl) != 0) in init_rootdomain()
568 if (cpupri_init(&rd->cpupri) != 0) in init_rootdomain()
573 cpudl_cleanup(&rd->cpudl); in init_rootdomain()
575 free_cpumask_var(rd->rto_mask); in init_rootdomain()
577 free_cpumask_var(rd->dlo_mask); in init_rootdomain()
579 free_cpumask_var(rd->online); in init_rootdomain()
581 free_cpumask_var(rd->span); in init_rootdomain()
601 struct root_domain *rd; in alloc_rootdomain() local
603 rd = kzalloc(sizeof(*rd), GFP_KERNEL); in alloc_rootdomain()
604 if (!rd) in alloc_rootdomain()
607 if (init_rootdomain(rd) != 0) { in alloc_rootdomain()
608 kfree(rd); in alloc_rootdomain()
612 return rd; in alloc_rootdomain()
732 cpu_attach_domain(struct sched_domain *sd, struct root_domain *rd, int cpu) in cpu_attach_domain() argument
785 rq_attach_root(rq, rd); in cpu_attach_domain()
796 struct root_domain *rd; member
826 * node 0 1 2 3
830 * 3: 20 30 20 10
838 * 3 ----- 2
844 * For the above NUMA topology that gives 3 levels:
846 * NUMA-2 0-3 0-3 0-3 0-3
847 * groups: {0-1,3},{1-3} {0-2},{0,2-3} {1-3},{0-1,3} {0,2-3},{0-2}
849 * NUMA-1 0-1,3 0-2 1-3 0,2-3
850 * groups: {0},{1},{3} {0},{1},{2} {1},{2},{3} {0},{2},{3}
852 * NUMA-0 0 1 2 3
861 * domain. For instance Node-0 NUMA-2 would only get groups: 0-1,3 and 1-3.
866 * gets us the first 0-1,3
867 * - the only uncovered node is 2, who's child domain is 1-3.
872 * end up at those groups (they would end up in group: 0-1,3).
887 * node 0 1 2 3
891 * 3: 30 20 20 10
899 * 2 ----- 3
901 * This topology is asymmetric, nodes 1,2 are fully connected, but nodes 0,3
907 * NUMA-2 0-3 0-3
908 * groups: {0-2},{1-3} {1-3},{0-2}
910 * NUMA-1 0-2 0-3 0-3 1-3
912 * NUMA-0 0 1 2 3
1075 * But for machines whose NUMA diameter are 3 or above, we move in build_overlap_sched_groups()
1080 * Smallest diameter=3 topology is: in build_overlap_sched_groups()
1082 * node 0 1 2 3 in build_overlap_sched_groups()
1086 * 3: 40 30 20 10 in build_overlap_sched_groups()
1088 * 0 --- 1 --- 2 --- 3 in build_overlap_sched_groups()
1090 * NUMA-3 0-3 N/A N/A 0-3 in build_overlap_sched_groups()
1091 * groups: {0-2},{1-3} {1-3},{0-2} in build_overlap_sched_groups()
1093 * NUMA-2 0-2 0-3 0-3 1-3 in build_overlap_sched_groups()
1094 * groups: {0-1},{1-3} {0-2},{2-3} {1-3},{0-1} {2-3},{0-2} in build_overlap_sched_groups()
1096 * NUMA-1 0-1 0-2 1-3 2-3 in build_overlap_sched_groups()
1097 * groups: {0},{1} {1},{2},{0} {2},{3},{1} {3},{2} in build_overlap_sched_groups()
1099 * NUMA-0 0 1 2 3 in build_overlap_sched_groups()
1101 * The NUMA-2 groups for nodes 0 and 3 are obviously buggered, as the in build_overlap_sched_groups()
1147 * The tree consists of 3 primary data structures:
1163 * CPU 0 1 2 3 4 5 6 7
1172 * MC 0-3 0-3 0-3 0-3 4-7 4-7 4-7 4-7
1173 * SMT 0-1 0-1 2-3 2-3 4-5 4-5 6-7 6-7
1175 * CPU 0 1 2 3 4 5 6 7
1499 if (!atomic_read(&d->rd->refcount)) in __free_domain_allocs()
1500 free_rootdomain(&d->rd->rcu); in __free_domain_allocs()
1523 d->rd = alloc_rootdomain(); in __visit_domain_allocation_hell()
1524 if (!d->rd) in __visit_domain_allocation_hell()
2488 imb = sd->span_weight >> 3; in build_sched_domains()
2525 cpu_attach_domain(sd, d.rd, i); in build_sched_domains()
2720 struct root_domain *rd; in partition_sched_domains_locked() local
2728 rd = cpu_rq(cpumask_any(doms_cur[i]))->rd; in partition_sched_domains_locked()
2729 dl_clear_root_domain(rd); in partition_sched_domains_locked()
2765 cpu_rq(cpumask_first(doms_cur[j]))->rd->pd) { in partition_sched_domains_locked()
2770 /* No match - add perf domains for a new rd */ in partition_sched_domains_locked()