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Searched refs:affinity (Results 1 – 25 of 233) sorted by relevance

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/linux/kernel/irq/
H A Dcpuhotplug.c58 const struct cpumask *affinity; in migrate_one_irq() local
105 affinity = irq_desc_get_pending_mask(desc); in migrate_one_irq()
107 affinity = irq_data_get_affinity_mask(d); in migrate_one_irq()
113 if (!cpumask_intersects(affinity, cpu_online_mask)) { in migrate_one_irq()
123 affinity = cpu_online_mask; in migrate_one_irq()
132 err = irq_do_set_affinity(d, affinity, false); in migrate_one_irq()
139 if (err == -ENOSPC && !irqd_affinity_is_managed(d) && affinity != cpu_online_mask) { in migrate_one_irq()
141 d->irq, cpumask_pr_args(affinity)); in migrate_one_irq()
143 affinity = cpu_online_mask; in migrate_one_irq()
146 err = irq_do_set_affinity(d, affinity, false); in migrate_one_irq()
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H A Dirqdesc.c57 if (!zalloc_cpumask_var_node(&desc->irq_common_data.affinity, in alloc_masks()
64 free_cpumask_var(desc->irq_common_data.affinity); in alloc_masks()
74 free_cpumask_var(desc->irq_common_data.affinity); in alloc_masks()
82 const struct cpumask *affinity) in desc_smp_init() argument
84 if (!affinity) in desc_smp_init()
85 affinity = irq_default_affinity; in desc_smp_init()
86 cpumask_copy(desc->irq_common_data.affinity, affinity); in desc_smp_init()
101 free_cpumask_var(desc->irq_common_data.affinity); in free_masks()
111 desc_smp_init(struct irq_desc *desc, int node, const struct cpumask *affinity) { } in desc_smp_init() argument
116 const struct cpumask *affinity, struct module *owner) in desc_set_defaults() argument
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H A Dmanage.c154 * irq_can_set_affinity - Check if the affinity of a given irq can be set
164 * irq_can_set_affinity_usr - Check if affinity of a irq can be set from user space
179 * irq_set_thread_affinity - Notify irq threads to adjust affinity
180 * @desc: irq descriptor which has affinity changed
182 * Just set IRQTF_AFFINITY and delegate the affinity setting to the
211 pr_warn_once("irq_chip %s did not update eff. affinity mask of irq %u\n", in irq_validate_effective_affinity()
234 * it check whether the requested affinity mask intersects with in irq_do_set_affinity()
237 * the affinity setter from routing the interrupt to an isolated in irq_do_set_affinity()
246 * If all housekeeping CPUs in the affinity mask are offline, the in irq_do_set_affinity()
248 * housekeeping CPU which belongs to the affinity mas in irq_do_set_affinity()
398 irq_update_affinity_desc(unsigned int irq,struct irq_affinity_desc * affinity) irq_update_affinity_desc() argument
2486 create_percpu_irqaction(irq_handler_t handler,unsigned long flags,const char * devname,const cpumask_t * affinity,void __percpu * dev_id) create_percpu_irqaction() argument
2534 __request_percpu_irq(unsigned int irq,irq_handler_t handler,unsigned long flags,const char * devname,const cpumask_t * affinity,void __percpu * dev_id) __request_percpu_irq() argument
2595 request_percpu_nmi(unsigned int irq,irq_handler_t handler,const char * name,const struct cpumask * affinity,void __percpu * dev_id) request_percpu_nmi() argument
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H A Dirq_test.c120 struct irq_affinity_desc affinity = { in irq_shutdown_depth_test() local
128 virq = irq_test_setup_fake_irq(test, &affinity); in irq_shutdown_depth_test()
172 struct irq_affinity_desc affinity = { in irq_cpuhotplug_test() local
185 cpumask_copy(&affinity.mask, cpumask_of(1)); in irq_cpuhotplug_test()
187 virq = irq_test_setup_fake_irq(test, &affinity); in irq_cpuhotplug_test()
/linux/tools/testing/selftests/rseq/
H A Dbasic_test.c18 cpu_set_t affinity, test_affinity; in test_cpu_pointer() local
21 sched_getaffinity(0, sizeof(affinity), &affinity); in test_cpu_pointer()
24 if (CPU_ISSET(i, &affinity)) { in test_cpu_pointer()
39 sched_setaffinity(0, sizeof(affinity), &affinity); in test_cpu_pointer()
/linux/tools/perf/util/
H A Daffinity.h8 struct affinity { struct
14 void affinity__cleanup(struct affinity *a); argument
15 void affinity__set(struct affinity *a, int cpu);
16 int affinity__setup(struct affinity *a);
H A Daffinity.c25 int affinity__setup(struct affinity *a) in affinity__setup()
49 void affinity__set(struct affinity *a, int cpu) in affinity__set()
72 static void __affinity__cleanup(struct affinity *a) in __affinity__cleanup()
82 void affinity__cleanup(struct affinity *a) in affinity__cleanup()
H A Dmmap.c98 static int perf_mmap__aio_bind(struct mmap *map, int idx, struct perf_cpu cpu, int affinity) in perf_mmap__aio_bind() argument
106 if (affinity != PERF_AFFINITY_SYS && cpu__max_node() > 1) { in perf_mmap__aio_bind()
142 struct perf_cpu cpu __maybe_unused, int affinity __maybe_unused) in perf_mmap__aio_bind()
176 ret = perf_mmap__aio_bind(map, i, map->core.cpu, mp->affinity); in perf_mmap__aio_mmap()
269 if (mp->affinity == PERF_AFFINITY_NODE && cpu__max_node() > 1) in perf_mmap__setup_affinity_mask()
271 else if (mp->affinity == PERF_AFFINITY_CPU) in perf_mmap__setup_affinity_mask()
285 if (mp->affinity != PERF_AFFINITY_SYS && in mmap__mmap()
H A Devlist.h198 int affinity, int flush, int comp_level);
365 struct affinity *affinity; member
378 #define evlist__for_each_cpu(evlist_cpu_itr, evlist, affinity) \ argument
379 for ((evlist_cpu_itr) = evlist__cpu_begin(evlist, affinity); \
384 struct evlist_cpu_iterator evlist__cpu_begin(struct evlist *evlist, struct affinity *affinity);
H A Devlist.c362 struct evlist_cpu_iterator evlist__cpu_begin(struct evlist *evlist, struct affinity *affinity) in evlist__cpu_begin() argument
371 .affinity = affinity, in evlist__cpu_begin()
379 if (itr.affinity) { in evlist__cpu_begin()
381 affinity__set(itr.affinity, itr.cpu.cpu); in evlist__cpu_begin()
410 if (evlist_cpu_itr->affinity) in evlist_cpu_iterator__next()
411 affinity__set(evlist_cpu_itr->affinity, evlist_cpu_itr->cpu.cpu); in evlist_cpu_iterator__next()
456 struct affinity saved_affinity, *affinity = NULL; in __evlist__disable() local
463 affinity = &saved_affinity; in __evlist__disable()
468 evlist__for_each_cpu(evlist_cpu_itr, evlist, affinity) { in __evlist__disable()
486 affinity__cleanup(affinity); in __evlist__disable()
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/linux/tools/virtio/ringtest/
H A Drun-on-all.sh20 "$@" --host-affinity $HOST_AFFINITY --guest-affinity $cpu
24 "$@" --host-affinity $HOST_AFFINITY
/linux/kernel/
H A Dkthread.c381 cpumask_var_t affinity; in kthread_affine_node() local
388 if (!zalloc_cpumask_var(&affinity, GFP_KERNEL)) { in kthread_affine_node()
403 kthread_fetch_affinity(kthread, affinity); in kthread_affine_node()
404 set_cpus_allowed_ptr(current, affinity); in kthread_affine_node()
407 free_cpumask_var(affinity); in kthread_affine_node()
857 cpumask_var_t affinity; in kthread_affine_preferred() local
867 if (!zalloc_cpumask_var(&affinity, GFP_KERNEL)) in kthread_affine_preferred()
880 kthread_fetch_affinity(kthread, affinity); in kthread_affine_preferred()
883 set_cpus_allowed_force(p, affinity); in kthread_affine_preferred()
887 free_cpumask_var(affinity); in kthread_affine_preferred()
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/linux/arch/arm64/kernel/
H A Dsetup.c113 u32 i, affinity, fs[4], bits[4], ls; in smp_build_mpidr_hash() local
127 affinity = MPIDR_AFFINITY_LEVEL(mask, i); in smp_build_mpidr_hash()
133 ls = fls(affinity); in smp_build_mpidr_hash()
134 fs[i] = affinity ? ffs(affinity) - 1 : 0; in smp_build_mpidr_hash()
/linux/Documentation/translations/zh_CN/core-api/irq/
H A Dirq-affinity.rst3 :Original: Documentation/core-api/irq/irq-affinity.rst
9 .. _cn_irq-affinity.rst:
23 (IRQ affinity)，那么所有cpu的默认值将保持不变(即关联到所有CPU).
/linux/arch/alpha/kernel/
H A Dsys_dp264.c136 cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) in cpu_set_irq_affinity() argument
142 if (cpumask_test_cpu(cpu, &affinity)) in cpu_set_irq_affinity()
151 dp264_set_affinity(struct irq_data *d, const struct cpumask *affinity, in dp264_set_affinity() argument
155 cpu_set_irq_affinity(d->irq, *affinity); in dp264_set_affinity()
163 clipper_set_affinity(struct irq_data *d, const struct cpumask *affinity, in clipper_set_affinity() argument
167 cpu_set_irq_affinity(d->irq - 16, *affinity); in clipper_set_affinity()
H A Dsys_titan.c135 titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) in titan_cpu_set_irq_affinity() argument
140 if (cpumask_test_cpu(cpu, &affinity)) in titan_cpu_set_irq_affinity()
149 titan_set_irq_affinity(struct irq_data *d, const struct cpumask *affinity, in titan_set_irq_affinity() argument
154 titan_cpu_set_irq_affinity(irq - 16, *affinity); in titan_set_irq_affinity()
/linux/drivers/irqchip/
H A Dirq-bcm7038-l1.c47 u8 affinity[MAX_WORDS * IRQS_PER_WORD]; member
173 __bcm7038_l1_unmask(d, intc->affinity[d->hwirq]); in bcm7038_l1_unmask()
183 __bcm7038_l1_mask(d, intc->affinity[d->hwirq]); in bcm7038_l1_mask()
202 was_disabled = !!(intc->cpus[intc->affinity[hw]]->mask_cache[word] & in bcm7038_l1_set_affinity()
204 __bcm7038_l1_mask(d, intc->affinity[hw]); in bcm7038_l1_set_affinity()
205 intc->affinity[hw] = first_cpu; in bcm7038_l1_set_affinity()
/linux/tools/perf/
H A Dbuiltin-record.c100 struct mmap_cpu_mask affinity; member
1291 if (opts->affinity != PERF_AFFINITY_SYS) in record__mmap_evlist()
1297 opts->nr_cblocks, opts->affinity, in record__mmap_evlist()
1578 if (rec->opts.affinity != PERF_AFFINITY_SYS && in record__adjust_affinity()
1579 !bitmap_equal(thread->mask->affinity.bits, map->affinity_mask.bits, in record__adjust_affinity()
1580 thread->mask->affinity.nbits)) { in record__adjust_affinity()
1581 bitmap_zero(thread->mask->affinity.bits, thread->mask->affinity.nbits); in record__adjust_affinity()
1582 bitmap_or(thread->mask->affinity.bits, thread->mask->affinity.bits, in record__adjust_affinity()
1583 map->affinity_mask.bits, thread->mask->affinity.nbits); in record__adjust_affinity()
1584 sched_setaffinity(0, MMAP_CPU_MASK_BYTES(&thread->mask->affinity), in record__adjust_affinity()
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/linux/arch/arm64/boot/dts/apple/
H A Dt6001.dtsi53 e-core-pmu-affinity {
58 p-core-pmu-affinity {
/linux/include/ras/
H A Dras_event.h195 __field(u8, affinity)
208 __entry->affinity = proc->affinity_level;
210 __entry->affinity = ~0;
238 __entry->affinity, __entry->mpidr, __entry->midr,
/linux/tools/testing/selftests/bpf/
H A Dbench.c19 .affinity = false,
266 { "affinity", 'a', NULL, 0, "Set consumer/producer thread affinity"},
268 { "prod-affinity", ARG_PROD_AFFINITY_SET, "CPUSET", 0,
269 "Set of CPUs for producer threads; implies --affinity"},
270 { "cons-affinity", ARG_CONS_AFFINITY_SET, "CPUSET", 0,
271 "Set of CPUs for consumer threads; implies --affinity"},
348 env.affinity = true; in parse_arg()
354 env.affinity = true; in parse_arg()
362 env.affinity in parse_arg()
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/linux/drivers/iommu/
H A Dhyperv-iommu.c198 const struct cpumask *affinity; in hyperv_root_ir_compose_msi_msg() local
205 affinity = irq_data_get_effective_affinity_mask(irq_data); in hyperv_root_ir_compose_msi_msg()
206 cpu = cpumask_first_and(affinity, cpu_online_mask); in hyperv_root_ir_compose_msi_msg()
/linux/drivers/pci/msi/
H A Dapi.c354 if (!desc->affinity) in pci_irq_get_affinity()
362 return &desc->affinity[idx].mask; in pci_irq_get_affinity()
/linux/Documentation/core-api/irq/
H A Dindex.rst9 irq-affinity
/linux/include/linux/
H A Dirqdomain.h59 const struct cpumask *affinity; member
353 const struct irq_affinity_desc *affinity);
460 const struct irq_affinity_desc *affinity);
588 const struct irq_affinity_desc *affinity);

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