Home
last modified time | relevance | path

Searched refs:affinity (Results 1 – 25 of 185) sorted by relevance

12345678

/linux/kernel/irq/
H A Dcpuhotplug.c19 /* For !GENERIC_IRQ_EFFECTIVE_AFF_MASK this looks at general affinity mask */
28 * which do not implement effective affinity, but the architecture has in irq_needs_fixup()
29 * enabled the config switch. Use the general affinity mask instead. in irq_needs_fixup()
45 pr_warn("Eff. affinity %*pbl of IRQ %u contains only offline CPUs after offlining CPU %u\n", in irq_needs_fixup()
58 const struct cpumask *affinity; in migrate_one_irq() local
64 * still in the radix tree. Also if the chip has no affinity setter, in migrate_one_irq()
100 * mask, so the last change of the affinity does not get lost. If in migrate_one_irq()
102 * any online CPU, use the current affinity mask. in migrate_one_irq()
105 affinity = irq_desc_get_pending_mask(desc); in migrate_one_irq()
107 affinity in migrate_one_irq()
207 const struct cpumask *affinity = irq_data_get_affinity_mask(data); irq_restore_affinity_of_irq() local
[all...]
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()
86 static void desc_smp_init(struct irq_desc *desc, int node, const struct cpumask *affinity) in desc_smp_init()
88 if (!affinity) in desc_smp_init()
89 affinity = irq_default_affinity; in desc_smp_init()
90 cpumask_copy(desc->irq_common_data.affinity, affinity); in desc_smp_init()
106 free_cpumask_var(desc->irq_common_data.affinity);
116 desc_smp_init(struct irq_desc *desc, int node, const struct cpumask *affinity) { } in desc_set_defaults() argument
82 desc_smp_init(struct irq_desc * desc,int node,const struct cpumask * affinity) desc_smp_init() argument
111 desc_smp_init(struct irq_desc * desc,int node,const struct cpumask * affinity) desc_smp_init() argument
212 init_desc(struct irq_desc * desc,int irq,int node,unsigned int flags,const struct cpumask * affinity,struct module * owner) init_desc() argument
433 alloc_desc(int irq,int node,unsigned int flags,const struct cpumask * affinity,struct module * owner) alloc_desc() argument
497 alloc_descs(unsigned int start,unsigned int cnt,int node,const struct irq_affinity_desc * affinity,struct module * owner) alloc_descs() argument
631 alloc_descs(unsigned int start,unsigned int cnt,int node,const struct irq_affinity_desc * affinity,struct module * owner) alloc_descs() argument
805 __irq_alloc_descs(int irq,unsigned int from,unsigned int cnt,int node,struct module * owner,const struct irq_affinity_desc * affinity) __irq_alloc_descs() argument
[all...]
H A Dmanage.c166 * irq_can_set_affinity - Check if the affinity of a given irq can be set
176 * irq_can_set_affinity_usr - Check if affinity of a irq can be set from user space in irq_can_set_affinity_usr()
191 * irq_set_thread_affinity - Notify irq threads to adjust affinity in irq_set_thread_affinity()
192 * @desc: irq descriptor which has affinity changed in irq_set_thread_affinity()
194 * Just set IRQTF_AFFINITY and delegate the affinity setting to the in irq_set_thread_affinity()
223 pr_warn_once("irq_chip %s did not update eff. affinity mask of irq %u\n", in irq_do_set_affinity()
245 * it check whether the requested affinity mask intersects with in irq_do_set_affinity()
248 * the affinity setter from routing the interrupt to an isolated in irq_do_set_affinity()
257 * If all housekeeping CPUs in the affinity mask are offline, the in irq_do_set_affinity()
259 * 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
[all...]
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()
[all …]
/linux/tools/virtio/ringtest/
H A Drun-on-all.sh20 "$@" --host-affinity $HOST_AFFINITY --guest-affinity $cpu
24 "$@" --host-affinity $HOST_AFFINITY
/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/kernel/
H A Dkthread.c384 cpumask_var_t affinity; in kthread_affine_node()
389 if (!zalloc_cpumask_var(&affinity, GFP_KERNEL)) { in kthread_affine_node()
404 kthread_fetch_affinity(kthread, affinity); in kthread_affine_node()
405 set_cpus_allowed_ptr(current, affinity); in kthread_affine_node()
408 free_cpumask_var(affinity); in kthread_affine_node()
457 * Apply default node affinity if no call to kthread_bind[_mask]() nor in kthread()
572 * in @node, to get NUMA affinity for kthread stack, or else give NUMA_NO_NODE.
860 * kthread_affine_preferred - Define a kthread's preferred affinity in kthread_affine_preferred()
865 * Similar to kthread_bind_mask() except that the affinity is not a requirement in kthread_affine_preferred()
869 * Returns 0 if the affinity ha in kthread_affine_preferred()
381 cpumask_var_t affinity; kthread_affine_node() local
857 cpumask_var_t affinity; kthread_affine_preferred() local
902 cpumask_var_t affinity; kthreads_online_cpu() local
[all...]
/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()
[all …]
/linux/drivers/resctrl/
H A Dmpam_devices.c449 cpumask_t *affinity) in mpam_get_cpumask_from_cache_id() argument
451 return acpi_pptt_get_cpumask_from_cache_id(cache_id, affinity); in mpam_get_cpumask_from_cache_id()
458 static void get_cpumask_from_node_id(u32 node_id, cpumask_t *affinity) in get_cpumask_from_node_id() argument
464 cpumask_set_cpu(cpu, affinity); in get_cpumask_from_node_id()
468 static int mpam_ris_get_affinity(struct mpam_msc *msc, cpumask_t *affinity, in mpam_ris_get_affinity() argument
478 affinity); in mpam_ris_get_affinity()
485 if (cpumask_empty(affinity)) in mpam_ris_get_affinity()
490 get_cpumask_from_node_id(comp->comp_id, affinity); in mpam_ris_get_affinity()
497 cpumask_and(affinity, affinity, &msc->accessibility); in mpam_ris_get_affinity()
545 err = mpam_ris_get_affinity(msc, &ris->affinity, type, class, comp); in mpam_ris_create_locked()
[all …]
H A Dmpam_internal.h245 cpumask_t affinity; member
282 cpumask_t affinity; member
323 cpumask_t affinity; member
392 cpumask_t *affinity);
/linux/include/ras/
H A Dras_event.h195 __field(u8, affinity)
208 __entry->affinity = proc->affinity_level;
210 __entry->affinity = ~0;
233 TP_printk("cpu: %d; error: %d; affinity level: %d; MPIDR: %016llx; MIDR: %016llx; "
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"},
269 { "prod-affinity", ARG_PROD_AFFINITY_SET, "CPUSET", 0,
270 "Set of CPUs for producer threads; implies --affinity"},
271 { "cons-affinity", ARG_CONS_AFFINITY_SET, "CPUSET", 0,
272 "Set of CPUs for consumer threads; implies --affinity"},
349 env.affinity = true; in parse_arg()
358 env.affinity = true; in parse_arg()
366 env.affinity in parse_arg()
[all...]
/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/Documentation/core-api/irq/
H A Dindex.rst9 irq-affinity
/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()

12345678