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()
422 * 3. no SMT is detected.
423 * 4. schedutil is driving the frequency of all CPUs of the rd;
431 struct root_domain *rd = cpu_rq(cpu)->rd; in build_perf_domains() local
455 tmp = rd->pd; in build_perf_domains()
456 rcu_assign_pointer(rd->pd, pd); in build_perf_domains()
464 tmp = rd->pd; in build_perf_domains()
465 rcu_assign_pointer(rd->pd, NULL); in build_perf_domains()
477 struct root_domain *rd = container_of(rcu, struct root_domain, rcu); in free_rootdomain() local
479 cpupri_cleanup(&rd->cpupri); in free_rootdomain()
480 cpudl_cleanup(&rd->cpudl); in free_rootdomain()
481 free_cpumask_var(rd->dlo_mask); in free_rootdomain()
482 free_cpumask_var(rd->rto_mask); in free_rootdomain()
483 free_cpumask_var(rd->online); in free_rootdomain()
484 free_cpumask_var(rd->span); in free_rootdomain()
485 free_pd(rd->pd); in free_rootdomain()
486 kfree(rd); in free_rootdomain()
489 void rq_attach_root(struct rq *rq, struct root_domain *rd) in rq_attach_root() argument
496 if (rq->rd) { in rq_attach_root()
497 old_rd = rq->rd; in rq_attach_root()
513 atomic_inc(&rd->refcount); in rq_attach_root()
514 rq->rd = rd; in rq_attach_root()
516 cpumask_set_cpu(rq->cpu, rd->span); in rq_attach_root()
526 void sched_get_rd(struct root_domain *rd) in sched_get_rd() argument
528 atomic_inc(&rd->refcount); in sched_get_rd()
531 void sched_put_rd(struct root_domain *rd) in sched_put_rd() argument
533 if (!atomic_dec_and_test(&rd->refcount)) in sched_put_rd()
536 call_rcu(&rd->rcu, free_rootdomain); in sched_put_rd()
539 static int init_rootdomain(struct root_domain *rd) in init_rootdomain() argument
541 if (!zalloc_cpumask_var(&rd->span, GFP_KERNEL)) in init_rootdomain()
543 if (!zalloc_cpumask_var(&rd->online, GFP_KERNEL)) in init_rootdomain()
545 if (!zalloc_cpumask_var(&rd->dlo_mask, GFP_KERNEL)) in init_rootdomain()
547 if (!zalloc_cpumask_var(&rd->rto_mask, GFP_KERNEL)) in init_rootdomain()
551 rd->rto_cpu = -1; in init_rootdomain()
552 raw_spin_lock_init(&rd->rto_lock); in init_rootdomain()
553 rd->rto_push_work = IRQ_WORK_INIT_HARD(rto_push_irq_work_func); in init_rootdomain()
556 rd->visit_gen = 0; in init_rootdomain()
557 init_dl_bw(&rd->dl_bw); in init_rootdomain()
558 if (cpudl_init(&rd->cpudl) != 0) in init_rootdomain()
561 if (cpupri_init(&rd->cpupri) != 0) in init_rootdomain()
566 cpudl_cleanup(&rd->cpudl); in init_rootdomain()
568 free_cpumask_var(rd->rto_mask); in init_rootdomain()
570 free_cpumask_var(rd->dlo_mask); in init_rootdomain()
572 free_cpumask_var(rd->online); in init_rootdomain()
574 free_cpumask_var(rd->span); in init_rootdomain()
594 struct root_domain *rd; in alloc_rootdomain() local
596 rd = kzalloc(sizeof(*rd), GFP_KERNEL); in alloc_rootdomain()
597 if (!rd) in alloc_rootdomain()
600 if (init_rootdomain(rd) != 0) { in alloc_rootdomain()
601 kfree(rd); in alloc_rootdomain()
605 return rd; in alloc_rootdomain()
725 cpu_attach_domain(struct sched_domain *sd, struct root_domain *rd, int cpu) in cpu_attach_domain() argument
778 rq_attach_root(rq, rd); in cpu_attach_domain()
789 struct root_domain *rd; member
819 * node 0 1 2 3
823 * 3: 20 30 20 10
831 * 3 ----- 2
837 * For the above NUMA topology that gives 3 levels:
839 * NUMA-2 0-3 0-3 0-3 0-3
840 * groups: {0-1,3},{1-3} {0-2},{0,2-3} {1-3},{0-1,3} {0,2-3},{0-2}
842 * NUMA-1 0-1,3 0-2 1-3 0,2-3
843 * groups: {0},{1},{3} {0},{1},{2} {1},{2},{3} {0},{2},{3}
845 * NUMA-0 0 1 2 3
854 * domain. For instance Node-0 NUMA-2 would only get groups: 0-1,3 and 1-3.
859 * gets us the first 0-1,3
860 * - the only uncovered node is 2, who's child domain is 1-3.
865 * end up at those groups (they would end up in group: 0-1,3).
880 * node 0 1 2 3
884 * 3: 30 20 20 10
892 * 2 ----- 3
894 * This topology is asymmetric, nodes 1,2 are fully connected, but nodes 0,3
900 * NUMA-2 0-3 0-3
901 * groups: {0-2},{1-3} {1-3},{0-2}
903 * NUMA-1 0-2 0-3 0-3 1-3
905 * NUMA-0 0 1 2 3
1068 * But for machines whose NUMA diameter are 3 or above, we move in build_overlap_sched_groups()
1073 * Smallest diameter=3 topology is: in build_overlap_sched_groups()
1075 * node 0 1 2 3 in build_overlap_sched_groups()
1079 * 3: 40 30 20 10 in build_overlap_sched_groups()
1081 * 0 --- 1 --- 2 --- 3 in build_overlap_sched_groups()
1083 * NUMA-3 0-3 N/A N/A 0-3 in build_overlap_sched_groups()
1084 * groups: {0-2},{1-3} {1-3},{0-2} in build_overlap_sched_groups()
1086 * NUMA-2 0-2 0-3 0-3 1-3 in build_overlap_sched_groups()
1087 * groups: {0-1},{1-3} {0-2},{2-3} {1-3},{0-1} {2-3},{0-2} in build_overlap_sched_groups()
1089 * NUMA-1 0-1 0-2 1-3 2-3 in build_overlap_sched_groups()
1090 * groups: {0},{1} {1},{2},{0} {2},{3},{1} {3},{2} in build_overlap_sched_groups()
1092 * NUMA-0 0 1 2 3 in build_overlap_sched_groups()
1094 * The NUMA-2 groups for nodes 0 and 3 are obviously buggered, as the in build_overlap_sched_groups()
1140 * The tree consists of 3 primary data structures:
1156 * CPU 0 1 2 3 4 5 6 7
1165 * MC 0-3 0-3 0-3 0-3 4-7 4-7 4-7 4-7
1166 * SMT 0-1 0-1 2-3 2-3 4-5 4-5 6-7 6-7
1168 * CPU 0 1 2 3 4 5 6 7
1485 if (!atomic_read(&d->rd->refcount)) in __free_domain_allocs()
1486 free_rootdomain(&d->rd->rcu); in __free_domain_allocs()
1509 d->rd = alloc_rootdomain(); in __visit_domain_allocation_hell()
1510 if (!d->rd) in __visit_domain_allocation_hell()
2475 imb = sd->span_weight >> 3; in build_sched_domains()
2516 if (capacity > READ_ONCE(d.rd->max_cpu_capacity)) in build_sched_domains()
2517 WRITE_ONCE(d.rd->max_cpu_capacity, capacity); in build_sched_domains()
2519 cpu_attach_domain(sd, d.rd, i); in build_sched_domains()
2534 cpumask_pr_args(cpu_map), rq->rd->max_cpu_capacity); in build_sched_domains()
2716 struct root_domain *rd; in partition_sched_domains_locked() local
2724 rd = cpu_rq(cpumask_any(doms_cur[i]))->rd; in partition_sched_domains_locked()
2725 dl_clear_root_domain(rd); in partition_sched_domains_locked()
2761 cpu_rq(cpumask_first(doms_cur[j]))->rd->pd) { in partition_sched_domains_locked()
2766 /* No match - add perf. domains for a new rd */ in partition_sched_domains_locked()