Lines Matching +full:3 +full:rd
328 * 3. no SMT is detected.
330 * 5. schedutil is driving the frequency of all CPUs of the rd;
357 struct root_domain *rd = cpu_rq(cpu)->rd; in build_perf_domains() local
367 pr_info("rd %*pbl: CPUs do not have asymmetric capacities\n", in build_perf_domains()
375 pr_warn("rd %*pbl: Disabling EAS, SMT is not supported\n", in build_perf_domains()
382 pr_warn("rd %*pbl: Disabling EAS: frequency-invariant load tracking not yet supported", in build_perf_domains()
400 if (rd->pd) in build_perf_domains()
401 pr_warn("rd %*pbl: Disabling EAS, schedutil is mandatory\n", in build_perf_domains()
423 WARN(1, "rd %*pbl: Failed to start EAS, EM complexity is too high\n", in build_perf_domains()
431 tmp = rd->pd; in build_perf_domains()
432 rcu_assign_pointer(rd->pd, pd); in build_perf_domains()
440 tmp = rd->pd; in build_perf_domains()
441 rcu_assign_pointer(rd->pd, NULL); in build_perf_domains()
453 struct root_domain *rd = container_of(rcu, struct root_domain, rcu); in free_rootdomain() local
455 cpupri_cleanup(&rd->cpupri); in free_rootdomain()
456 cpudl_cleanup(&rd->cpudl); in free_rootdomain()
457 free_cpumask_var(rd->dlo_mask); in free_rootdomain()
458 free_cpumask_var(rd->rto_mask); in free_rootdomain()
459 free_cpumask_var(rd->online); in free_rootdomain()
460 free_cpumask_var(rd->span); in free_rootdomain()
461 free_pd(rd->pd); in free_rootdomain()
462 kfree(rd); in free_rootdomain()
465 void rq_attach_root(struct rq *rq, struct root_domain *rd) in rq_attach_root() argument
472 if (rq->rd) { in rq_attach_root()
473 old_rd = rq->rd; in rq_attach_root()
489 atomic_inc(&rd->refcount); in rq_attach_root()
490 rq->rd = rd; in rq_attach_root()
492 cpumask_set_cpu(rq->cpu, rd->span); in rq_attach_root()
502 void sched_get_rd(struct root_domain *rd) in sched_get_rd() argument
504 atomic_inc(&rd->refcount); in sched_get_rd()
507 void sched_put_rd(struct root_domain *rd) in sched_put_rd() argument
509 if (!atomic_dec_and_test(&rd->refcount)) in sched_put_rd()
512 call_rcu(&rd->rcu, free_rootdomain); in sched_put_rd()
515 static int init_rootdomain(struct root_domain *rd) in init_rootdomain() argument
517 if (!zalloc_cpumask_var(&rd->span, GFP_KERNEL)) in init_rootdomain()
519 if (!zalloc_cpumask_var(&rd->online, GFP_KERNEL)) in init_rootdomain()
521 if (!zalloc_cpumask_var(&rd->dlo_mask, GFP_KERNEL)) in init_rootdomain()
523 if (!zalloc_cpumask_var(&rd->rto_mask, GFP_KERNEL)) in init_rootdomain()
527 rd->rto_cpu = -1; in init_rootdomain()
528 raw_spin_lock_init(&rd->rto_lock); in init_rootdomain()
529 init_irq_work(&rd->rto_push_work, rto_push_irq_work_func); in init_rootdomain()
532 rd->visit_gen = 0; in init_rootdomain()
533 init_dl_bw(&rd->dl_bw); in init_rootdomain()
534 if (cpudl_init(&rd->cpudl) != 0) in init_rootdomain()
537 if (cpupri_init(&rd->cpupri) != 0) in init_rootdomain()
542 cpudl_cleanup(&rd->cpudl); in init_rootdomain()
544 free_cpumask_var(rd->rto_mask); in init_rootdomain()
546 free_cpumask_var(rd->dlo_mask); in init_rootdomain()
548 free_cpumask_var(rd->online); in init_rootdomain()
550 free_cpumask_var(rd->span); in init_rootdomain()
570 struct root_domain *rd; in alloc_rootdomain() local
572 rd = kzalloc(sizeof(*rd), GFP_KERNEL); in alloc_rootdomain()
573 if (!rd) in alloc_rootdomain()
576 if (init_rootdomain(rd) != 0) { in alloc_rootdomain()
577 kfree(rd); in alloc_rootdomain()
581 return rd; in alloc_rootdomain()
687 cpu_attach_domain(struct sched_domain *sd, struct root_domain *rd, int cpu) in cpu_attach_domain() argument
728 rq_attach_root(rq, rd); in cpu_attach_domain()
739 struct root_domain *rd; member
769 * node 0 1 2 3
773 * 3: 20 30 20 10
781 * 3 ----- 2
787 * For the above NUMA topology that gives 3 levels:
789 * NUMA-2 0-3 0-3 0-3 0-3
790 * groups: {0-1,3},{1-3} {0-2},{0,2-3} {1-3},{0-1,3} {0,2-3},{0-2}
792 * NUMA-1 0-1,3 0-2 1-3 0,2-3
793 * groups: {0},{1},{3} {0},{1},{2} {1},{2},{3} {0},{2},{3}
795 * NUMA-0 0 1 2 3
804 * domain. For instance Node-0 NUMA-2 would only get groups: 0-1,3 and 1-3.
809 * gets us the first 0-1,3
810 * - the only uncovered node is 2, who's child domain is 1-3.
815 * end up at those groups (they would end up in group: 0-1,3).
830 * node 0 1 2 3
834 * 3: 30 20 20 10
842 * 2 ----- 3
844 * This topology is asymmetric, nodes 1,2 are fully connected, but nodes 0,3
850 * NUMA-2 0-3 0-3
851 * groups: {0-2},{1-3} {1-3},{0-2}
853 * NUMA-1 0-2 0-3 0-3 1-3
855 * NUMA-0 0 1 2 3
1016 * But for machines whose NUMA diameter are 3 or above, we move in build_overlap_sched_groups()
1021 * Smallest diameter=3 topology is: in build_overlap_sched_groups()
1023 * node 0 1 2 3 in build_overlap_sched_groups()
1027 * 3: 40 30 20 10 in build_overlap_sched_groups()
1029 * 0 --- 1 --- 2 --- 3 in build_overlap_sched_groups()
1031 * NUMA-3 0-3 N/A N/A 0-3 in build_overlap_sched_groups()
1032 * groups: {0-2},{1-3} {1-3},{0-2} in build_overlap_sched_groups()
1034 * NUMA-2 0-2 0-3 0-3 1-3 in build_overlap_sched_groups()
1035 * groups: {0-1},{1-3} {0-2},{2-3} {1-3},{0-1} {2-3},{0-2} in build_overlap_sched_groups()
1037 * NUMA-1 0-1 0-2 1-3 2-3 in build_overlap_sched_groups()
1038 * groups: {0},{1} {1},{2},{0} {2},{3},{1} {3},{2} in build_overlap_sched_groups()
1040 * NUMA-0 0 1 2 3 in build_overlap_sched_groups()
1042 * The NUMA-2 groups for nodes 0 and 3 are obviously buggered, as the in build_overlap_sched_groups()
1088 * The tree consists of 3 primary data structures:
1104 * CPU 0 1 2 3 4 5 6 7
1113 * MC 0-3 0-3 0-3 0-3 4-7 4-7 4-7 4-7
1114 * SMT 0-1 0-1 2-3 2-3 4-5 4-5 6-7 6-7
1116 * CPU 0 1 2 3 4 5 6 7
1422 if (!atomic_read(&d->rd->refcount)) in __free_domain_allocs()
1423 free_rootdomain(&d->rd->rcu); in __free_domain_allocs()
1446 d->rd = alloc_rootdomain(); in __visit_domain_allocation_hell()
1447 if (!d->rd) in __visit_domain_allocation_hell()
2248 if (rq->cpu_capacity_orig > READ_ONCE(d.rd->max_cpu_capacity)) in build_sched_domains()
2249 WRITE_ONCE(d.rd->max_cpu_capacity, rq->cpu_capacity_orig); in build_sched_domains()
2251 cpu_attach_domain(sd, d.rd, i); in build_sched_domains()
2260 cpumask_pr_args(cpu_map), rq->rd->max_cpu_capacity); in build_sched_domains()
2439 struct root_domain *rd; in partition_sched_domains_locked() local
2447 rd = cpu_rq(cpumask_any(doms_cur[i]))->rd; in partition_sched_domains_locked()
2448 dl_clear_root_domain(rd); in partition_sched_domains_locked()
2484 cpu_rq(cpumask_first(doms_cur[j]))->rd->pd) { in partition_sched_domains_locked()
2489 /* No match - add perf. domains for a new rd */ in partition_sched_domains_locked()