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/linux-6.15/drivers/cpufreq/
H A Dintel_pstate.c451 cpu = all_cpu_data[policy->cpu]; in intel_pstate_init_acpi_perf_limits()
497 cpu = all_cpu_data[policy->cpu]; in intel_pstate_exit_perf_limits()
953 arch_set_cpu_capacity(cpu->cpu, cpu->capacity_perf, in hybrid_set_cpu_capacity()
2243 trace_cpu_frequency(pstate * cpu->pstate.scaling, cpu->cpu); in intel_pstate_set_pstate()
2264 cpu->pstate.min_pstate = pstate_funcs.get_min(cpu->cpu); in intel_pstate_get_cpu_pstates()
2272 cpu->pstate.scaling = pstate_funcs.get_cpu_scaling(cpu->cpu); in intel_pstate_get_cpu_pstates()
2287 cpu->pstate.max_pstate = pstate_funcs.get_max(cpu->cpu); in intel_pstate_get_cpu_pstates()
2288 cpu->pstate.turbo_pstate = pstate_funcs.get_turbo(cpu->cpu); in intel_pstate_get_cpu_pstates()
2697 cpu->cpu = cpunum; in intel_pstate_init_cpu()
2836 cpu = all_cpu_data[policy->cpu]; in intel_pstate_set_policy()
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/linux-6.15/arch/arm/boot/dts/intel/axm/
H A Daxm5516-cpus.dtsi13 cpu-map {
16 cpu = <&CPU0>;
19 cpu = <&CPU1>;
22 cpu = <&CPU2>;
25 cpu = <&CPU3>;
30 cpu = <&CPU4>;
33 cpu = <&CPU5>;
72 CPU0: cpu@0 {
80 CPU1: cpu@1 {
88 CPU2: cpu@2 {
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/linux-6.15/arch/powerpc/kernel/
H A Dsmp.c502 BUG_ON(cpu < 0 && cpu != NMI_IPI_ALL_OTHERS); in __smp_send_nmi_ipi()
595 int cpu; in crash_send_ipi() local
1064 int cpu; in init_big_cores() local
1125 set_cpu_numa_node(cpu, numa_cpu_lookup_table[cpu]); in smp_prepare_cpus()
1267 task_thread_info(idle)->cpu = cpu; in cpu_idle_thread_init()
1425 cpumask_set_cpu(cpu, cpu_l2_cache_mask(cpu)); in update_mask_by_l2()
1516 cpumask_set_cpu(cpu, cpu_smallcore_mask(cpu)); in add_cpu_to_smallcore_masks()
1573 map_cpu_to_node(cpu, cpu_to_node(cpu)); in add_cpu_to_masks()
1574 cpumask_set_cpu(cpu, cpu_sibling_mask(cpu)); in add_cpu_to_masks()
1575 cpumask_set_cpu(cpu, cpu_core_mask(cpu)); in add_cpu_to_masks()
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H A Dtau_6xx.c81 tau[cpu].grew = 1; in TAUupdate()
92 tau[cpu].grew = 1; in TAUupdate()
109 TAUupdate(cpu); in DEFINE_INTERRUPT_HANDLER_ASYNC()
115 int cpu; in tau_timeout() local
122 TAUupdate(cpu); in tau_timeout()
127 size = tau[cpu].high - tau[cpu].low; in tau_timeout()
137 if ((tau[cpu].high - tau[cpu].low) != min_window){ in tau_timeout()
144 tau[cpu].grew = 0; in tau_timeout()
183 tau[cpu].low = 5; in TAU_init_smp()
226 return ((tau[cpu].high << 16) | tau[cpu].low); in cpu_temp_both()
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H A Dwatchdog.c153 cpu, tb, per_cpu(wd_timer_tb, cpu), in wd_lockup_ipi()
220 if (c == cpu) in watchdog_smp_panic()
271 cpu, get_tb()); in wd_smp_clear_cpu_pending()
355 watchdog_smp_panic(cpu); in watchdog_timer_interrupt()
403 set_cpu_stuck(cpu); in DEFINE_INTERRUPT_HANDLER_NMI()
408 cpu, (void *)regs->nip); in DEFINE_INTERRUPT_HANDLER_NMI()
410 cpu, tb, per_cpu(wd_timer_tb, cpu), in DEFINE_INTERRUPT_HANDLER_NMI()
550 int cpu; in watchdog_hardlockup_stop() local
553 stop_watchdog_on_cpu(cpu); in watchdog_hardlockup_stop()
558 int cpu; in watchdog_hardlockup_start() local
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/linux-6.15/drivers/base/
H A Darch_topology.c67 int cpu; in topology_set_scale_freq_source() local
98 int cpu; in topology_clear_scale_freq_source() local
186 int cpu; in topology_update_hw_pressure() local
214 struct cpu *cpu = container_of(dev, struct cpu, dev); in cpu_capacity_show() local
290 int cpu; in topology_normalize_cpu_scale() local
310 cpu, topology_get_cpu_scale(cpu)); in topology_normalize_cpu_scale()
376 int cpu; in topology_init_cpu_capacity_cppc() local
396 cpu, raw_capacity[cpu]); in topology_init_cpu_capacity_cppc()
414 cpu, topology_get_cpu_scale(cpu)); in topology_init_cpu_capacity_cppc()
440 int cpu; in init_cpu_capacity_callback() local
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H A Dcacheinfo.c25 #define ci_cacheinfo(cpu) (&per_cpu(ci_cpu_cacheinfo, cpu)) argument
26 #define cache_leaves(cpu) (ci_cacheinfo(cpu)->num_leaves) argument
27 #define per_cpu_cacheinfo(cpu) (ci_cacheinfo(cpu)->info_list) argument
61 if (!cache_leaves(cpu) || !per_cpu_cacheinfo(cpu)) in last_level_cache_is_valid()
64 llc = per_cpu_cacheinfo_idx(cpu, cache_leaves(cpu) - 1); in last_level_cache_is_valid()
525 if (init_cache_level(cpu) || !cache_leaves(cpu)) in init_level_allocate_ci()
588 #define per_cpu_cache_dev(cpu) (per_cpu(ci_cache_dev, cpu)) argument
594 #define per_cpu_index_dev(cpu) (per_cpu(ci_index_dev, cpu)) argument
835 per_cpu_index_dev(cpu) = kcalloc(cache_leaves(cpu), in cpu_cache_sysfs_init()
892 llc = per_cpu_cacheinfo_idx(cpu, cache_leaves(cpu) - 1); in cpu_map_shared_cache()
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/linux-6.15/tools/testing/selftests/cpu-hotplug/
H A Dcpu-on-off-test.sh27 if ! ls $SYSFS/devices/system/cpu/cpu* > /dev/null 2>&1; then
63 for cpu in $SYSFS/devices/system/cpu/cpu*; do
64 if [ -f $cpu/online ] && grep -q $state $cpu/online; then
82 grep -q 1 $SYSFS/devices/system/cpu/cpu$1/online
87 grep -q 0 $SYSFS/devices/system/cpu/cpu$1/online
92 echo 1 > $SYSFS/devices/system/cpu/cpu$1/online
97 echo 0 > $SYSFS/devices/system/cpu/cpu$1/online
102 local cpu=$1
115 local cpu=$1
128 local cpu=$1
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/linux-6.15/include/linux/
H A Dtopology.h200 #define topology_die_id(cpu) ((void)(cpu), -1) argument
203 #define topology_cluster_id(cpu) ((void)(cpu), -1) argument
206 #define topology_core_id(cpu) ((void)(cpu), 0) argument
209 #define topology_book_id(cpu) ((void)(cpu), -1) argument
212 #define topology_drawer_id(cpu) ((void)(cpu), -1) argument
215 #define topology_ppin(cpu) ((void)(cpu), 0ull) argument
218 #define topology_sibling_cpumask(cpu) cpumask_of(cpu) argument
221 #define topology_core_cpumask(cpu) cpumask_of(cpu) argument
227 #define topology_die_cpumask(cpu) cpumask_of(cpu) argument
230 #define topology_book_cpumask(cpu) cpumask_of(cpu) argument
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H A Dcpumask.h143 return cpu; in cpumask_check()
425 if (i != cpu) in cpumask_any_but()
447 if (i != cpu) in cpumask_any_and_but()
880 #define cpumask_of(cpu) (get_cpu_mask(cpu)) argument
1050 #define for_each_possible_cpu(cpu) for ((cpu) = 0; (cpu) < 1; (cpu)++) argument
1051 #define for_each_online_cpu(cpu) for ((cpu) = 0; (cpu) < 1; (cpu)++) argument
1052 #define for_each_present_cpu(cpu) for ((cpu) = 0; (cpu) < 1; (cpu)++) argument
1055 for ((void)(start), (cpu) = 0; (cpu) < 1; (cpu)++)
1057 for ((void)(start), (cpu) = 0; (cpu) < 1; (cpu)++)
1181 return cpu == 0; in cpu_online()
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/linux-6.15/Documentation/translations/zh_CN/scheduler/
H A Dsched-bwc.rst78 cpu.cfs_period_us=100ms
79 cpu.cfs_quota_us=-1
80 cpu.cfs_burst_us=0
92 改变。将不大于 cpu.cfs_quota_us 的任何(有效的)正值写入 cpu.cfs_burst_us 将配发未使用
110 一个组的带宽统计数据通过cpu.stat的5个字段导出。
112 cpu.stat:
143 一旦一个片断被分配给一个cpu，它就不会过期。然而，如果该cpu上的所有线程都无法运行，那么除了
154 即任务组正在运行的每个cpu上未使用的片断量（通常每个cpu最多1ms或由min_cfs_rq_runtime定
160 时间的cpu-local 筒仓上浪费配额的可能性。
162 绑定cpu和非绑定cpu的交互式应用之间的互动也应该被考虑，特别是当单核使用率达到100%时。如果你
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/linux-6.15/kernel/sched/
H A Dext_idle.c111 int cpu; in pick_idle_cpu_in_node() local
129 return cpu; in pick_idle_cpu_in_node()
180 return cpu; in pick_idle_cpu_from_online_nodes()
188 s32 cpu; in scx_pick_idle_cpu() local
287 int cpu; in llc_numa_mismatch() local
313 if (llc_weight(cpu) != numa_weight(cpu)) in llc_numa_mismatch()
352 cpumask_pr_args(llc_span(cpu)), llc_weight(cpu)); in scx_idle_update_selcpu_topology()
432 s32 cpu; in scx_select_cpu_dfl() local
820 s32 cpu; in scx_bpf_select_cpu_dfl() local
1069 s32 cpu; in scx_bpf_pick_any_cpu_node() local
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/linux-6.15/tools/perf/tests/
H A Dtopology.c117 cpu.cpu = i; in check_cpu_topology()
129 cpu.cpu == id.cpu.cpu); in check_cpu_topology()
132 session->header.env.cpu[cpu.cpu].core_id == id.core); in check_cpu_topology()
134 session->header.env.cpu[cpu.cpu].socket_id == in check_cpu_topology()
138 session->header.env.cpu[cpu.cpu].die_id == id.die); in check_cpu_topology()
147 session->header.env.cpu[cpu.cpu].core_id == id.core); in check_cpu_topology()
150 session->header.env.cpu[cpu.cpu].socket_id == in check_cpu_topology()
154 session->header.env.cpu[cpu.cpu].die_id == id.die); in check_cpu_topology()
163 session->header.env.cpu[cpu.cpu].socket_id == in check_cpu_topology()
167 session->header.env.cpu[cpu.cpu].die_id == id.die); in check_cpu_topology()
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/linux-6.15/arch/microblaze/kernel/cpu/
H A Dcpuinfo-static.c51 ci->use_fpu = fcpu(cpu, "xlnx,use-fpu"); in set_cpuinfo_static()
63 (fcpu(cpu, "xlnx,iopb-bus-exception") ? in set_cpuinfo_static()
65 (fcpu(cpu, "xlnx,dopb-bus-exception") ? in set_cpuinfo_static()
67 (fcpu(cpu, "xlnx,div-zero-exception") ? in set_cpuinfo_static()
77 if (fcpu(cpu, "xlnx,icache-use-fsl")) in set_cpuinfo_static()
91 if (fcpu(cpu, "xlnx,dcache-use-fsl")) in set_cpuinfo_static()
101 ci->use_dopb = fcpu(cpu, "xlnx,d-opb"); in set_cpuinfo_static()
102 ci->use_iopb = fcpu(cpu, "xlnx,i-opb"); in set_cpuinfo_static()
103 ci->use_dlmb = fcpu(cpu, "xlnx,d-lmb"); in set_cpuinfo_static()
104 ci->use_ilmb = fcpu(cpu, "xlnx,i-lmb"); in set_cpuinfo_static()
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/linux-6.15/arch/powerpc/include/asm/
H A Dsmp.h35 extern int cpu_to_chip_id(int cpu);
47 void (*cause_ipi)(int cpu);
49 int (*cause_nmi_ipi)(int cpu);
83 int is_cpu_dead(unsigned int cpu);
100 return smp_hw_index[cpu]; in get_hard_smp_processor_id()
105 smp_hw_index[cpu] = phys; in set_hard_smp_processor_id()
121 return per_cpu(cpu_core_map, cpu); in cpu_core_mask()
196 return cpumask_of(cpu); in cpu_sibling_mask()
201 return cpumask_of(cpu); in cpu_smallcore_mask()
206 return cpumask_of(cpu); in cpu_l2_cache_mask()
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/linux-6.15/arch/arm/mach-tegra/
H A Dplatsmp.c44 cpu = cpu_logical_map(cpu); in tegra20_boot_secondary()
54 tegra_put_cpu_in_reset(cpu); in tegra20_boot_secondary()
62 flowctrl_write_cpu_halt(cpu, 0); in tegra20_boot_secondary()
64 tegra_enable_cpu_clock(cpu); in tegra20_boot_secondary()
66 tegra_cpu_out_of_reset(cpu); in tegra20_boot_secondary()
75 cpu = cpu_logical_map(cpu); in tegra30_boot_secondary()
76 tegra_put_cpu_in_reset(cpu); in tegra30_boot_secondary()
114 tegra_enable_cpu_clock(cpu); in tegra30_boot_secondary()
125 tegra_cpu_out_of_reset(cpu); in tegra30_boot_secondary()
133 cpu = cpu_logical_map(cpu); in tegra114_boot_secondary()
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/linux-6.15/arch/arm/mach-meson/
H A Dplatsmp.c50 val |= BIT(cpu); in meson_smp_set_cpu_ctrl()
52 val &= ~BIT(cpu); in meson_smp_set_cpu_ctrl()
131 scu_cpu_power_enable(scu_base, cpu); in meson_smp_begin_secondary_boot()
142 cpu); in meson_smp_finalize_secondary_boot()
150 meson_smp_set_cpu_ctrl(cpu, true); in meson_smp_finalize_secondary_boot()
161 rstc = meson_smp_get_core_reset(cpu); in meson8_smp_boot_secondary()
167 meson_smp_begin_secondary_boot(cpu); in meson8_smp_boot_secondary()
224 meson_smp_begin_secondary_boot(cpu); in meson8b_smp_boot_secondary()
297 meson_smp_set_cpu_ctrl(cpu, false); in meson8_smp_cpu_die()
327 cpu); in meson8_smp_cpu_kill()
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/linux-6.15/arch/arm64/kernel/
H A Dsmp.c145 if (cpu_online(cpu)) in __cpu_up()
251 ipi_setup(cpu); in secondary_start_kernel()
253 numa_add_cpu(cpu); in secondary_start_kernel()
324 ipi_teardown(cpu); in __cpu_disable()
391 ops->cpu_die(cpu); in cpu_die()
403 ops->cpu_die(cpu); in __cpu_try_die()
518 struct cpu *c = &per_cpu(cpu_devices, cpu); in arch_register_cpu()
526 if (invalid_logical_cpuid(cpu) || !cpu_present(cpu)) { in arch_register_cpu()
545 struct cpu *c = &per_cpu(cpu_devices, cpu); in arch_unregister_cpu()
784 unsigned int cpu; in smp_prepare_cpus() local
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/linux-6.15/arch/arm/mach-bcm/
H A Dplatsmp-brcmstb.c82 static u32 pwr_ctrl_rd(u32 cpu) in pwr_ctrl_rd() argument
107 tmp = pwr_ctrl_rd(cpu) & mask; in pwr_ctrl_wait_tmout()
112 tmp = pwr_ctrl_rd(cpu) & mask; in pwr_ctrl_wait_tmout()
140 per_cpu_sw_state_wr(cpu, 1); in brcmstb_cpu_boot()
149 cpu_rst_cfg_set(cpu, 0); in brcmstb_cpu_boot()
178 int tmp = pwr_ctrl_rd(cpu); in brcmstb_cpu_get_power_state()
188 per_cpu_sw_state_wr(cpu, 0); in brcmstb_cpu_die()
206 if (cpu == 0) { in brcmstb_cpu_kill()
232 cpu_rst_cfg_set(cpu, 1); in brcmstb_cpu_kill()
347 brcmstb_cpu_power_on(cpu); in brcmstb_boot_secondary()
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/linux-6.15/arch/x86/xen/
H A Dsmp.c71 cpu, in xen_smp_intr_init()
85 cpu, in xen_smp_intr_init()
115 cpu, in xen_smp_intr_init()
129 xen_smp_intr_free(cpu); in xen_smp_intr_init()
147 unsigned cpu; in __xen_send_IPI_mask() local
150 xen_send_IPI_one(cpu, vector); in __xen_send_IPI_mask()
155 int cpu; in xen_smp_send_call_function_ipi() local
160 for_each_cpu(cpu, mask) { in xen_smp_send_call_function_ipi()
161 if (xen_vcpu_stolen(cpu)) { in xen_smp_send_call_function_ipi()
234 unsigned cpu; in xen_send_IPI_mask_allbutself() local
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H A Dsmp_pv.c59 int cpu; in cpu_bringup() local
72 cpu = smp_processor_id(); in cpu_bringup()
74 set_cpu_sibling_map(cpu); in cpu_bringup()
80 notify_cpu_starting(cpu); in cpu_bringup()
121 cpu, in xen_smp_intr_init_pv()
186 unsigned cpu; in xen_pv_smp_prepare_cpus() local
215 for (cpu = nr_cpu_ids - 1; !cpu_possible(cpu); cpu--) in xen_pv_smp_prepare_cpus()
307 xen_pmu_init(cpu); in xen_pv_kick_ap()
327 if (cpu == 0) in xen_pv_cpu_disable()
346 xen_smp_intr_free(cpu); in xen_pv_cleanup_dead_cpu()
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/linux-6.15/arch/s390/include/asm/
H A Dtopology.h9 struct cpu;
29 #define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id) argument
30 #define topology_thread_id(cpu) (cpu_topology[cpu].thread_id) argument
32 #define topology_core_id(cpu) (cpu_topology[cpu].core_id) argument
33 #define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_mask) argument
34 #define topology_book_id(cpu) (cpu_topology[cpu].book_id) argument
35 #define topology_book_cpumask(cpu) (&cpu_topology[cpu].book_mask) argument
36 #define topology_drawer_id(cpu) (cpu_topology[cpu].drawer_id) argument
38 #define topology_cpu_dedicated(cpu) (cpu_topology[cpu].dedicated) argument
56 static inline int topology_cpu_init(struct cpu *cpu) { return 0; } in topology_cpu_init() argument
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/linux-6.15/kernel/
H A Dsmpboot.c55 tsk = fork_idle(cpu); in idle_init()
73 if (cpu != boot_cpu) in idle_threads_init()
74 idle_init(cpu); in idle_threads_init()
85 unsigned int cpu; member
119 ht->cleanup(td->cpu, cpu_online(td->cpu)); in smpboot_thread_fn()
129 ht->park(td->cpu); in smpboot_thread_fn()
145 ht->setup(td->cpu); in smpboot_thread_fn()
181 td->cpu = cpu; in __smpboot_create_thread()
208 ht->create(cpu); in __smpboot_create_thread()
268 unsigned int cpu; in smpboot_destroy_threads() local
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/linux-6.15/tools/power/cpupower/utils/
H A Dcpufreq-info.c58 unsigned int cpu, nr_cpus; in proc_cpufreq_output() local
67 for (cpu = 0; cpu < nr_cpus; cpu++) { in proc_cpufreq_output()
480 get_driver(cpu); in debug_output_one()
481 get_related_cpus(cpu); in debug_output_one()
483 get_latency(cpu, 1); in debug_output_one()
484 get_epp(cpu, true); in debug_output_one()
501 get_policy(cpu); in debug_output_one()
504 get_boost_mode(cpu); in debug_output_one()
505 get_perf_cap(cpu); in debug_output_one()
534 unsigned int cpu = 0; in cmd_freq_info() local
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/linux-6.15/tools/perf/util/
H A Dcpumap.c143 RC_CHK_ACCESS(map)->map[i].cpu = cpu; in cpu_map__from_range()
388 id.cpu = cpu; in aggr_cpu_id__cpu()
406 cpu.cpu = 0; in aggr_cpu_id__global()
407 id.cpu = cpu; in aggr_cpu_id__global()
551 return cpunode_map[cpu.cpu]; in cpu__get_node()
697 bitmap[c.cpu / 8] |= 1 << (c.cpu % 8); in cpu_map__snprint_mask()
699 for (int cpu = last_cpu.cpu / 4 * 4; cpu >= 0; cpu -= 4) { in cpu_map__snprint_mask() local
708 if ((cpu % 32) == 0 && cpu > 0) in cpu_map__snprint_mask()
738 a->cpu.cpu == b->cpu.cpu; in aggr_cpu_id__equal()
751 a->cpu.cpu == -1; in aggr_cpu_id__is_empty()
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