/linux/net/netfilter/ |
H A D | nft_counter.c | 40 struct nft_counter *this_cpu; in nft_counter_do_eval() local 43 this_cpu = this_cpu_ptr(priv->counter); in nft_counter_do_eval() 47 u64_stats_add(&this_cpu->bytes, pkt->skb->len); in nft_counter_do_eval() 48 u64_stats_inc(&this_cpu->packets); in nft_counter_do_eval() 67 struct nft_counter *this_cpu; in nft_counter_do_init() local 73 this_cpu = raw_cpu_ptr(cpu_stats); in nft_counter_do_init() 75 u64_stats_set(&this_cpu->packets, in nft_counter_do_init() 79 u64_stats_set(&this_cpu->bytes, in nft_counter_do_init() 113 struct nft_counter *this_cpu; in nft_counter_reset() local 116 this_cpu = this_cpu_ptr(priv->counter); in nft_counter_reset() [all …]
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/linux/Documentation/translations/zh_CN/core-api/ |
H A D | this_cpu_ops.rst | 16 this_cpu操作 22 this_cpu操作是一种优化访问与当前执行处理器相关的每CPU变量的方法。这是通过使用段寄 25 this_cpu操作将每CPU变量的偏移量添加到处理器特定的每CPU基址上,并将该操作编码到对 42 this_cpu操作的主要用途是优化计数器操作。 44 定义了以下具有隐含抢占保护的this_cpu()操作。可以使用这些操作而不用担心抢占和中断:: 63 this_cpu操作的内部工作 85 请思考下面this_cpu操作:: 105 会在this_cpu指令执行的前后直接移动该进程。一般来说,这意味着每个处理器的单个计数 141 在每CPU操作的上下文中,上面表达式说明x是一个每CPU变量。大多数this_cpu操作都需要一 180 如果我们后面不使用 ``this_cpu ops`` 来操作字段,则指针的计算可能需要使用 [all …]
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/linux/arch/parisc/kernel/ |
H A D | smp.c | 122 int this_cpu = smp_processor_id(); in ipi_interrupt() local 123 struct cpuinfo_parisc *p = &per_cpu(cpu_data, this_cpu); in ipi_interrupt() 128 spinlock_t *lock = &per_cpu(ipi_lock, this_cpu); in ipi_interrupt() 146 smp_debug(100, KERN_DEBUG "CPU%d IPI_NOP\n", this_cpu); in ipi_interrupt() 150 smp_debug(100, KERN_DEBUG "CPU%d IPI_RESCHEDULE\n", this_cpu); in ipi_interrupt() 156 smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC\n", this_cpu); in ipi_interrupt() 162 smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_START\n", this_cpu); in ipi_interrupt() 166 smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_STOP\n", this_cpu); in ipi_interrupt() 171 smp_debug(100, KERN_DEBUG "CPU%d is alive!\n", this_cpu); in ipi_interrupt() 175 smp_debug(100, KERN_DEBUG "CPU%d ENTER_KGDB\n", this_cpu); in ipi_interrupt() [all …]
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/linux/include/linux/sched/ |
H A D | topology.h | 179 bool cpus_equal_capacity(int this_cpu, int that_cpu); 180 bool cpus_share_cache(int this_cpu, int that_cpu); 181 bool cpus_share_resources(int this_cpu, int that_cpu); 230 static inline bool cpus_equal_capacity(int this_cpu, int that_cpu) in cpus_equal_capacity() argument 235 static inline bool cpus_share_cache(int this_cpu, int that_cpu) in cpus_share_cache() argument 240 static inline bool cpus_share_resources(int this_cpu, int that_cpu) in cpus_share_resources() argument
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/linux/arch/sparc/kernel/ |
H A D | process_64.c | 192 int this_cpu) in __global_reg_self() argument 198 rp = &global_cpu_snapshot[this_cpu].reg; in __global_reg_self() 244 int this_cpu, cpu; in arch_trigger_cpumask_backtrace() local 251 this_cpu = raw_smp_processor_id(); in arch_trigger_cpumask_backtrace() 255 if (cpumask_test_cpu(this_cpu, mask) && this_cpu != exclude_cpu) in arch_trigger_cpumask_backtrace() 256 __global_reg_self(tp, regs, this_cpu); in arch_trigger_cpumask_backtrace() 272 (cpu == this_cpu ? '*' : ' '), cpu, in arch_trigger_cpumask_backtrace() 309 static void __global_pmu_self(int this_cpu) in __global_pmu_self() argument 317 pp = &global_cpu_snapshot[this_cpu].pmu; in __global_pmu_self() 343 int this_cpu, cpu; in pmu_snapshot_all_cpus() local [all …]
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/linux/arch/alpha/kernel/ |
H A D | smp.c | 513 int this_cpu = smp_processor_id(); in handle_ipi() local 514 unsigned long *pending_ipis = &ipi_data[this_cpu].bits; in handle_ipi() 519 this_cpu, *pending_ipis, regs->pc)); in handle_ipi() 546 this_cpu, which); in handle_ipi() 554 cpu_data[this_cpu].ipi_count++; in handle_ipi() 642 int cpu, this_cpu = smp_processor_id(); in flush_tlb_mm() local 644 if (!cpu_online(cpu) || cpu == this_cpu) in flush_tlb_mm() 689 int cpu, this_cpu = smp_processor_id(); in flush_tlb_page() local 691 if (!cpu_online(cpu) || cpu == this_cpu) in flush_tlb_page() 743 int cpu, this_cpu = smp_processor_id(); in flush_icache_user_page() local [all …]
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/linux/arch/x86/kernel/ |
H A D | smp.c | 151 unsigned int old_cpu, this_cpu; in native_stop_other_cpus() local 159 this_cpu = smp_processor_id(); in native_stop_other_cpus() 160 if (!atomic_try_cmpxchg(&stopping_cpu, &old_cpu, this_cpu)) in native_stop_other_cpus() 191 cpumask_clear_cpu(this_cpu, &cpus_stop_mask); in native_stop_other_cpus()
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/linux/tools/power/cpupower/utils/idle_monitor/ |
H A D | cpuidle_sysfs.c | 145 int this_cpu; in cpuidle_register() local 147 this_cpu = sched_getcpu(); in cpuidle_register() 150 cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(this_cpu); in cpuidle_register() 156 tmp = cpuidle_state_name(this_cpu, num); in cpuidle_register() 165 tmp = cpuidle_state_desc(this_cpu, num); in cpuidle_register()
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/linux/Documentation/arch/arm/ |
H A D | vlocks.rst | 36 bool vlock_trylock(int this_cpu) 39 currently_voting[this_cpu] = 1; 42 currently_voting[this_cpu] = 0; 47 last_vote = this_cpu; 48 currently_voting[this_cpu] = 0; 57 if (last_vote == this_cpu) 100 my_town = towns[(this_cpu >> 4) & 0xf]; 101 I_won = vlock_trylock(my_town, this_cpu & 0xf); 104 my_state = states[(this_cpu >> 8) & 0xf]; 105 I_won = vlock_lock(my_state, this_cpu & 0xf)); [all …]
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/linux/kernel/trace/ |
H A D | trace_clock.c | 97 int this_cpu; in trace_clock_global() local 102 this_cpu = raw_smp_processor_id(); in trace_clock_global() 116 now = sched_clock_cpu(this_cpu); in trace_clock_global()
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/linux/lib/ |
H A D | nmi_backtrace.c | 40 int i, this_cpu = get_cpu(); in nmi_trigger_cpumask_backtrace() local 61 if (cpumask_test_cpu(this_cpu, to_cpumask(backtrace_mask))) in nmi_trigger_cpumask_backtrace() 66 this_cpu, nr_cpumask_bits, to_cpumask(backtrace_mask)); in nmi_trigger_cpumask_backtrace()
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H A D | smp_processor_id.c | 14 int this_cpu = raw_smp_processor_id(); in check_preemption_disabled() local 55 return this_cpu; in check_preemption_disabled()
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/linux/Documentation/core-api/ |
H A D | this_cpu_ops.rst | 2 this_cpu operations 8 this_cpu operations are a way of optimizing access to per cpu 14 this_cpu operations add a per cpu variable offset to the processor 41 The main use of the this_cpu operations has been to optimize counter 44 The following this_cpu() operations with implied preemption protection 64 Inner working of this_cpu operations 90 Consider the following this_cpu operation:: 114 after the this_cpu instruction is executed. In general this means that 166 cpu variable. Most this_cpu operations take a cpu variable. 206 if we do not make use of this_cpu ops later to manipulate fields:: [all …]
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/linux/kernel/ |
H A D | panic.c | 198 int old_cpu, this_cpu; in nmi_panic() local 201 this_cpu = raw_smp_processor_id(); in nmi_panic() 204 if (atomic_try_cmpxchg(&panic_cpu, &old_cpu, this_cpu)) in nmi_panic() 206 else if (old_cpu != this_cpu) in nmi_panic() 293 int old_cpu, this_cpu; in panic() local 331 this_cpu = raw_smp_processor_id(); in panic() 334 if (atomic_try_cmpxchg(&panic_cpu, &old_cpu, this_cpu)) { in panic() 336 } else if (old_cpu != this_cpu) in panic()
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H A D | smp.c | 637 int this_cpu; in smp_call_function_single() local 644 this_cpu = get_cpu(); in smp_call_function_single() 652 WARN_ON_ONCE(cpu_online(this_cpu) && irqs_disabled() in smp_call_function_single() 790 int cpu, last_cpu, this_cpu = smp_processor_id(); in smp_call_function_many_cond() local 805 if (cpu_online(this_cpu) && !oops_in_progress && in smp_call_function_many_cond() 818 if ((scf_flags & SCF_RUN_LOCAL) && cpumask_test_cpu(this_cpu, mask)) in smp_call_function_many_cond() 823 if (cpu == this_cpu) in smp_call_function_many_cond() 831 __cpumask_clear_cpu(this_cpu, cfd->cpumask); in smp_call_function_many_cond() 871 if (run_local && (!cond_func || cond_func(this_cpu, info))) { in smp_call_function_many_cond()
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/linux/arch/arm/common/ |
H A D | bL_switcher.c | 149 unsigned int mpidr, this_cpu, that_cpu; in bL_switch_to() local 155 this_cpu = smp_processor_id(); in bL_switch_to() 159 BUG_ON(cpu_logical_map(this_cpu) != ob_mpidr); in bL_switch_to() 164 that_cpu = bL_switcher_cpu_pairing[this_cpu]; in bL_switch_to() 170 this_cpu, ob_mpidr, ib_mpidr); in bL_switch_to() 172 this_cpu = smp_processor_id(); in bL_switch_to() 180 ipi_nr = register_ipi_completion(&inbound_alive, this_cpu); in bL_switch_to() 227 cpu_logical_map(this_cpu) = ib_mpidr; in bL_switch_to() 237 pr_debug("after switch: CPU %d MPIDR %#x\n", this_cpu, mpidr); in bL_switch_to()
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/linux/drivers/thermal/intel/ |
H A D | therm_throt.c | 303 unsigned int i, avg, this_cpu = smp_processor_id(); in throttle_active_work() local 313 this_cpu, in throttle_active_work() 349 this_cpu, in throttle_active_work() 359 schedule_delayed_work_on(this_cpu, &state->therm_work, THERM_THROT_POLL_INTERVAL); in throttle_active_work() 376 unsigned int this_cpu = smp_processor_id(); in therm_throt_process() local 379 struct thermal_state *pstate = &per_cpu(thermal_state, this_cpu); in therm_throt_process() 423 schedule_delayed_work_on(this_cpu, &state->therm_work, THERM_THROT_POLL_INTERVAL); in therm_throt_process() 438 unsigned int this_cpu = smp_processor_id(); in thresh_event_valid() local 439 struct thermal_state *pstate = &per_cpu(thermal_state, this_cpu); in thresh_event_valid()
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/linux/arch/x86/kernel/apic/ |
H A D | ipi.c | 214 unsigned int cpu, this_cpu = smp_processor_id(); in default_send_IPI_mask_allbutself_phys() local 219 if (cpu == this_cpu) in default_send_IPI_mask_allbutself_phys() 265 unsigned int cpu, this_cpu = smp_processor_id(); in default_send_IPI_mask_allbutself_logical() local 270 if (cpu == this_cpu) in default_send_IPI_mask_allbutself_logical()
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H A D | apic_numachip.c | 104 unsigned int this_cpu = smp_processor_id(); in numachip_send_IPI_mask_allbutself() local 108 if (cpu != this_cpu) in numachip_send_IPI_mask_allbutself() 115 unsigned int this_cpu = smp_processor_id(); in numachip_send_IPI_allbutself() local 119 if (cpu != this_cpu) in numachip_send_IPI_allbutself()
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H A D | x2apic_phys.c | 57 unsigned long this_cpu; in __x2apic_send_IPI_mask() local 65 this_cpu = smp_processor_id(); in __x2apic_send_IPI_mask() 67 if (apic_dest == APIC_DEST_ALLBUT && this_cpu == query_cpu) in __x2apic_send_IPI_mask()
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/linux/init/ |
H A D | calibrate.c | 279 int this_cpu = smp_processor_id(); in calibrate_delay() local 281 if (per_cpu(cpu_loops_per_jiffy, this_cpu)) { in calibrate_delay() 282 lpj = per_cpu(cpu_loops_per_jiffy, this_cpu); in calibrate_delay() 306 per_cpu(cpu_loops_per_jiffy, this_cpu) = lpj; in calibrate_delay()
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/linux/arch/x86/kernel/cpu/ |
H A D | common.c | 198 static const struct cpu_dev *this_cpu = &default_cpu; variable 690 if (!this_cpu) in table_lookup_model() 693 info = this_cpu->legacy_models; in table_lookup_model() 834 if (this_cpu->legacy_cache_size) in cpu_detect_cache_sizes() 835 l2size = this_cpu->legacy_cache_size(c, l2size); in cpu_detect_cache_sizes() 858 if (this_cpu->c_detect_tlb) in cpu_detect_tlb() 859 this_cpu->c_detect_tlb(c); in cpu_detect_tlb() 883 this_cpu = cpu_devs[i]; in get_cpu_vendor() 884 c->x86_vendor = this_cpu->c_x86_vendor; in get_cpu_vendor() 893 this_cpu = &default_cpu; in get_cpu_vendor() [all …]
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/linux/arch/s390/kernel/ |
H A D | machine_kexec.c | 82 int this_cpu, cpu; in __machine_kdump() local 86 this_cpu = smp_find_processor_id(stap()); in __machine_kdump() 88 if (cpu == this_cpu) in __machine_kdump()
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/linux/arch/arm/kernel/ |
H A D | smp_tlb.c | 166 int this_cpu; in broadcast_tlb_mm_a15_erratum() local 172 this_cpu = get_cpu(); in broadcast_tlb_mm_a15_erratum() 173 a15_erratum_get_cpumask(this_cpu, mm, &mask); in broadcast_tlb_mm_a15_erratum()
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/linux/arch/s390/mm/ |
H A D | maccess.c | 156 int this_cpu, cpu; in xlate_dev_mem_ptr() local 159 this_cpu = get_cpu(); in xlate_dev_mem_ptr() 174 } else if (cpu == this_cpu) { in xlate_dev_mem_ptr()
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