| /linux/drivers/cpufreq/ |
| H A D | intel_pstate.c | 21 #include <linux/cpu.h>
33 #include <asm/cpu.h>
100 * to account for cpu idle period
136 * Stores the per cpu model P state limits and current P state.
192 * @cpu: CPU number for this instance data
230 int cpu; member
279 * @get_cpu_scaling: Get frequency scaling factor for a given cpu
288 int (*get_max)(int cpu);
289 int (*get_max_physical)(int cpu);
290 int (*get_min)(int cpu);
362 intel_pstate_set_itmt_prio(int cpu) intel_pstate_set_itmt_prio() argument
405 intel_pstate_get_cppc_guaranteed(int cpu) intel_pstate_get_cppc_guaranteed() argument
420 intel_pstate_cppc_get_scaling(int cpu) intel_pstate_cppc_get_scaling() argument
437 intel_pstate_set_itmt_prio(int cpu) intel_pstate_set_itmt_prio() argument
444 struct cpudata *cpu; intel_pstate_init_acpi_perf_limits() local
500 struct cpudata *cpu; intel_pstate_exit_perf_limits() local
524 intel_pstate_get_cppc_guaranteed(int cpu) intel_pstate_get_cppc_guaranteed() argument
529 intel_pstate_cppc_get_scaling(int cpu) intel_pstate_cppc_get_scaling() argument
535 intel_pstate_freq_to_hwp_rel(struct cpudata * cpu,int freq,unsigned int relation) intel_pstate_freq_to_hwp_rel() argument
554 intel_pstate_freq_to_hwp(struct cpudata * cpu,int freq) intel_pstate_freq_to_hwp() argument
570 struct cpudata *cpu = all_cpu_data[0]; min_perf_pct_min() local
672 intel_pstate_set_epp(struct cpudata * cpu,u32 epp) intel_pstate_set_epp() argument
749 struct cpudata *cpu = all_cpu_data[policy->cpu]; store_energy_performance_preference() local
834 struct cpudata *cpu = all_cpu_data[policy->cpu]; show_base_frequency() local
869 hybrid_get_cpu_type(unsigned int cpu) hybrid_get_cpu_type() argument
905 hybrid_has_l3(unsigned int cpu) hybrid_has_l3() argument
942 hybrid_register_perf_domain(unsigned int cpu) hybrid_register_perf_domain() argument
972 unsigned int cpu; hybrid_register_all_perf_domains() local
978 hybrid_update_perf_domain(struct cpudata * cpu) hybrid_update_perf_domain() argument
984 hybrid_register_perf_domain(unsigned int cpu) hybrid_register_perf_domain() argument
986 hybrid_update_perf_domain(struct cpudata * cpu) hybrid_update_perf_domain() argument
989 hybrid_set_cpu_capacity(struct cpudata * cpu) hybrid_set_cpu_capacity() argument
1009 hybrid_get_capacity_perf(struct cpudata * cpu) hybrid_get_capacity_perf() argument
1026 struct cpudata *cpu = all_cpu_data[cpunum]; hybrid_set_capacity_of_cpus() local
1040 struct cpudata *cpu = all_cpu_data[cpunum]; hybrid_update_cpu_capacity_scaling() local
1138 intel_pstate_update_freq_limits(struct cpudata * cpu) intel_pstate_update_freq_limits() argument
1154 __intel_pstate_get_hwp_cap(struct cpudata * cpu) __intel_pstate_get_hwp_cap() argument
1164 intel_pstate_get_hwp_cap(struct cpudata * cpu) intel_pstate_get_hwp_cap() argument
1170 hybrid_update_capacity(struct cpudata * cpu) hybrid_update_capacity() argument
1215 intel_pstate_hwp_set(unsigned int cpu) intel_pstate_hwp_set() argument
1279 intel_pstate_hwp_offline(struct cpudata * cpu) intel_pstate_hwp_offline() argument
1367 intel_pstate_hwp_reenable(struct cpudata * cpu) intel_pstate_hwp_reenable() argument
1375 struct cpudata *cpu = all_cpu_data[policy->cpu]; intel_pstate_suspend() local
1389 struct cpudata *cpu = all_cpu_data[policy->cpu]; intel_pstate_resume() local
1415 int cpu; intel_pstate_update_policies() local
1435 intel_pstate_update_max_freq(int cpu) intel_pstate_update_max_freq() argument
1457 int cpu; intel_pstate_update_limits_for_all() local
1507 struct cpudata *cpu; show_turbo_pct() local
1529 struct cpudata *cpu; show_num_pstates() local
1587 struct cpudata *cpu = all_cpu_data[0]; store_no_turbo() local
1603 update_cpu_qos_request(int cpu,enum freq_qos_req_type type) update_cpu_qos_request() argument
2111 core_get_min_pstate(int cpu) core_get_min_pstate() argument
2119 core_get_max_pstate_physical(int cpu) core_get_max_pstate_physical() argument
2127 core_get_tdp_ratio(int cpu,u64 plat_info) core_get_tdp_ratio() argument
2160 core_get_max_pstate(int cpu) core_get_max_pstate() argument
2195 core_get_turbo_pstate(int cpu) core_get_turbo_pstate() argument
2218 knl_get_turbo_pstate(int cpu) knl_get_turbo_pstate() argument
2231 hwp_get_cpu_scaling(int cpu) hwp_get_cpu_scaling() argument
2256 intel_pstate_get_hwp_pstates(struct cpudata * cpu) intel_pstate_get_hwp_pstates() argument
2305 intel_pstate_get_cpu_pstates(struct cpudata * cpu) intel_pstate_get_cpu_pstates() argument
2338 intel_pstate_hwp_boost_up(struct cpudata * cpu) intel_pstate_hwp_boost_up() argument
2385 intel_pstate_hwp_boost_down(struct cpudata * cpu) intel_pstate_hwp_boost_down() argument
2401 intel_pstate_update_util_hwp_local(struct cpudata * cpu,u64 time) intel_pstate_update_util_hwp_local() argument
2433 struct cpudata *cpu = container_of(data, struct cpudata, update_util); intel_pstate_update_util_hwp() local
2441 intel_pstate_calc_avg_perf(struct cpudata * cpu) intel_pstate_calc_avg_perf() argument
2448 intel_pstate_sample(struct cpudata * cpu,u64 time) intel_pstate_sample() argument
2490 get_avg_frequency(struct cpudata * cpu) get_avg_frequency() argument
2495 get_avg_pstate(struct cpudata * cpu) get_avg_pstate() argument
2501 get_target_pstate(struct cpudata * cpu) get_target_pstate() argument
2536 intel_pstate_prepare_request(struct cpudata * cpu,int pstate) intel_pstate_prepare_request() argument
2544 intel_pstate_update_pstate(struct cpudata * cpu,int pstate) intel_pstate_update_pstate() argument
2553 intel_pstate_adjust_pstate(struct cpudata * cpu) intel_pstate_adjust_pstate() argument
2579 struct cpudata *cpu = container_of(data, struct cpudata, update_util); intel_pstate_update_util() local
2714 struct cpudata *cpu; intel_pstate_init_cpu() local
2756 struct cpudata *cpu = all_cpu_data[cpu_num]; intel_pstate_set_update_util_hook() local
2773 intel_pstate_clear_update_util_hook(unsigned int cpu) intel_pstate_clear_update_util_hook() argument
2785 intel_pstate_get_max_freq(struct cpudata * cpu) intel_pstate_get_max_freq() argument
2791 intel_pstate_update_perf_limits(struct cpudata * cpu,unsigned int policy_min,unsigned int policy_max) intel_pstate_update_perf_limits() argument
2854 intel_pstate_set_pstate(struct cpudata * cpu,int pstate) intel_pstate_set_pstate() argument
2870 struct cpudata *cpu; intel_pstate_set_policy() local
2927 intel_pstate_adjust_policy_max(struct cpudata * cpu,struct cpufreq_policy_data * policy) intel_pstate_adjust_policy_max() argument
2939 intel_pstate_verify_cpu_policy(struct cpudata * cpu,struct cpufreq_policy_data * policy) intel_pstate_verify_cpu_policy() argument
2963 intel_pstate_set_min_pstate(struct cpudata * cpu) intel_pstate_set_min_pstate() argument
2970 struct cpudata *cpu = all_cpu_data[policy->cpu]; intel_cpufreq_cpu_offline() local
2997 struct cpudata *cpu = all_cpu_data[policy->cpu]; intel_pstate_cpu_online() local
3033 struct cpudata *cpu; __intel_pstate_cpu_init() local
3060 struct cpudata *cpu; intel_pstate_cpu_init() local
3096 struct cpudata *cpu = all_cpu_data[policy->cpu]; intel_cpufreq_verify_policy() local
3120 intel_cpufreq_trace(struct cpudata * cpu,unsigned int trace_type,int old_pstate) intel_cpufreq_trace() argument
3142 intel_cpufreq_hwp_update(struct cpudata * cpu,u32 min,u32 max,u32 desired,bool fast_switch) intel_cpufreq_hwp_update() argument
3166 intel_cpufreq_perf_ctl_update(struct cpudata * cpu,u32 target_pstate,bool fast_switch) intel_cpufreq_perf_ctl_update() argument
3180 struct cpudata *cpu = all_cpu_data[policy->cpu]; intel_cpufreq_update_pstate() local
3206 struct cpudata *cpu = all_cpu_data[policy->cpu]; intel_cpufreq_target() local
3228 struct cpudata *cpu = all_cpu_data[policy->cpu]; intel_cpufreq_fast_switch() local
3244 struct cpudata *cpu = all_cpu_data[policy->cpu]; intel_cpufreq_adjust_perf() local
3293 struct cpudata *cpu; intel_cpufreq_cpu_init() local
3386 struct cpudata *cpu = all_cpu_data[policy->cpu]; intel_cpufreq_suspend() local
3421 unsigned int cpu; intel_pstate_driver_cleanup() local
[all...] |
| /linux/drivers/base/ |
| H A D | arch_topology.c | 74 int cpu; in topology_set_scale_freq_source() local
85 for_each_cpu(cpu, cpus) { in topology_set_scale_freq_source()
86 sfd = rcu_dereference(*per_cpu_ptr(&sft_data, cpu)); in topology_set_scale_freq_source()
90 rcu_assign_pointer(per_cpu(sft_data, cpu), data); in topology_set_scale_freq_source()
91 cpumask_set_cpu(cpu, &scale_freq_counters_mask); in topology_set_scale_freq_source()
105 int cpu; in topology_clear_scale_freq_source() local
109 for_each_cpu(cpu, cpus) { in topology_clear_scale_freq_source()
110 sfd = rcu_dereference(*per_cpu_ptr(&sft_data, cpu)); in topology_clear_scale_freq_source()
113 rcu_assign_pointer(per_cpu(sft_data, cpu), NULL); in topology_clear_scale_freq_source()
114 cpumask_clear_cpu(cpu, &scale_freq_counters_mask); in topology_clear_scale_freq_source()
[all …]
|
| /linux/arch/arm/boot/dts/intel/axm/ |
| H A D | axm5516-cpus.dtsi | 13 cpu-map {
16 cpu = <&CPU0>;
19 cpu = <&CPU1>;
22 cpu = <&CPU2>;
25 cpu = <&CPU3>;
30 cpu = <&CPU4>;
33 cpu = <&CPU5>;
36 cpu = <&CPU6>;
39 cpu = <&CPU7>;
44 cpu = <&CPU8>;
[all …]
|
| /linux/arch/arm64/kernel/ |
| H A D | smp.c | 84 static void ipi_setup(int cpu);
87 static void ipi_teardown(int cpu);
88 static int op_cpu_kill(unsigned int cpu);
90 static inline int op_cpu_kill(unsigned int cpu) in op_cpu_kill() argument
101 static int boot_secondary(unsigned int cpu, struct task_struct *idle) in boot_secondary() argument
103 const struct cpu_operations *ops = get_cpu_ops(cpu); in boot_secondary()
106 return ops->cpu_boot(cpu); in boot_secondary()
113 int __cpu_up(unsigned int cpu, struct task_struct *idle) in __cpu_up() argument
126 ret = boot_secondary(cpu, idle); in __cpu_up()
129 pr_err("CPU%u: failed to boot: %d\n", cpu, ret); in __cpu_up()
[all …]
|
| /linux/arch/um/kernel/ |
| H A D | smp.c | 32 void arch_smp_send_reschedule(int cpu) in arch_smp_send_reschedule() argument
34 os_send_ipi(cpu, UML_IPI_RES); in arch_smp_send_reschedule()
37 void arch_send_call_function_single_ipi(int cpu) in arch_send_call_function_single_ipi() argument
39 os_send_ipi(cpu, UML_IPI_CALL_SINGLE); in arch_send_call_function_single_ipi()
44 int cpu; in arch_send_call_function_ipi_mask() local
46 for_each_cpu(cpu, mask) in arch_send_call_function_ipi_mask()
47 os_send_ipi(cpu, UML_IPI_CALL); in arch_send_call_function_ipi_mask()
52 int cpu, me = smp_processor_id(); in smp_send_stop() local
54 for_each_online_cpu(cpu) { in smp_send_stop()
55 if (cpu == me) in smp_send_stop()
[all …]
|
| /linux/tools/perf/tests/ |
| H A D | topology.c | 76 struct perf_cpu cpu; in check_cpu_topology()
88 * cpu is a NULL pointer. in check_cpu_topology()
108 if (!env->cpu && e_machine != EM_S390 && e_machine != EM_AARCH64) in check_cpu_topology()
115 * test if physical_package_id returns -1 for cpu from perf_cpu_map. in check_cpu_topology()
122 TEST_ASSERT_VAL("Session header CPU map not set", env->cpu); in check_cpu_topology()
125 cpu.cpu = i; in check_cpu_topology()
126 if (!perf_cpu_map__has(map, cpu)) in check_cpu_topology()
129 env->cpu[i].core_id, in check_cpu_topology()
130 env->cpu[ in check_cpu_topology()
72 struct perf_cpu cpu; check_cpu_topology() local
[all...] |
| /linux/tools/testing/selftests/cpu-hotplug/ |
| H A D | cpu-on-off-test.sh | 27 if ! ls $SYSFS/devices/system/cpu/cpu*/online > /dev/null 2>&1; then
28 echo $msg cpu hotplug is not supported >&2
33 online_cpus=`cat $SYSFS/devices/system/cpu/online`
37 echo "$msg: since there is only one cpu: $online_cpus"
41 present_cpus=`cat $SYSFS/devices/system/cpu/present`
47 offline_cpus=`cat $SYSFS/devices/system/cpu/offline`
63 for cpu in $SYSFS/devices/system/cpu/cpu*; d
[all...] |
| /linux/include/linux/ |
| H A D | cpumask.h | 136 static __always_inline void cpu_max_bits_warn(unsigned int cpu, unsigned int bits) in cpu_max_bits_warn() argument
139 WARN_ON_ONCE(cpu >= bits); in cpu_max_bits_warn()
144 static __always_inline unsigned int cpumask_check(unsigned int cpu) in cpumask_check() argument
146 cpu_max_bits_warn(cpu, small_cpumask_bits); in cpumask_check()
147 return cpu; in cpumask_check()
380 #define for_each_cpu(cpu, mask) \ argument
381 for_each_set_bit(cpu, cpumask_bits(mask), small_cpumask_bits)
393 #define for_each_cpu_wrap(cpu, mask, start) \ argument
394 for_each_set_bit_wrap(cpu, cpumask_bits(mask), small_cpumask_bits, start)
410 #define for_each_cpu_and(cpu, mask1, mask2) \ argument
[all …]
|
| H A D | arch_topology.h | 15 bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu);
20 static inline unsigned long topology_get_freq_ref(int cpu) in topology_get_freq_ref() argument
22 return per_cpu(capacity_freq_ref, cpu); in topology_get_freq_ref()
27 static inline unsigned long topology_get_freq_scale(int cpu) in topology_get_freq_scale() argument
29 return per_cpu(arch_freq_scale, cpu); in topology_get_freq_scale()
54 static inline unsigned long topology_get_hw_pressure(int cpu) in topology_get_hw_pressure() argument
56 return per_cpu(hw_pressure, cpu); in topology_get_hw_pressure()
76 #define topology_physical_package_id(cpu) (cpu_topology[cpu].package_id) argument
77 #define topology_cluster_id(cpu) (cpu_topology[cpu].cluster_id) argument
78 #define topology_core_id(cpu) (cpu_topology[cpu].core_id) argument
[all …]
|
| /linux/Documentation/translations/zh_CN/scheduler/ |
| H A D | sched-bwc.rst | 24 达“配额”微秒的CPU时间。当cgroup中的线程可运行时，该配额以时间片段的方式被分配到每个cpu
29 它以需求为基础被转移到cpu-local“筒仓”，在每次更新中转移的数量是可调整的，被描述为“片“（时
65 配额、周期和突发是在cpu子系统内通过cgroupfs管理的。
69 :ref:`Documentation/admin-guide/cgroup-v2.rst <cgroup-v2-cpu>`.
71 - cpu.cfs_quota_us：在一个时期内补充的运行时间（微秒）。
72 - cpu.cfs_period_us：一个周期的长度（微秒）。
73 - cpu.stat: 输出节流统计数据[下面进一步解释]
74 - cpu.cfs_burst_us：最大累积运行时间（微秒）。
78 cpu.cfs_period_us=100ms
79 cpu.cfs_quota_us=-1
[all …]
|
| /linux/arch/arm/mach-meson/ |
| H A D | platsmp.c | 38 static struct reset_control *meson_smp_get_core_reset(int cpu) in meson_smp_get_core_reset() argument
40 struct device_node *np = of_get_cpu_node(cpu, 0); in meson_smp_get_core_reset()
45 static void meson_smp_set_cpu_ctrl(int cpu, bool on_off) in meson_smp_set_cpu_ctrl() argument
50 val |= BIT(cpu); in meson_smp_set_cpu_ctrl()
52 val &= ~BIT(cpu); in meson_smp_set_cpu_ctrl()
116 static void meson_smp_begin_secondary_boot(unsigned int cpu) in meson_smp_begin_secondary_boot() argument
125 sram_base + MESON_SMP_SRAM_CPU_CTRL_ADDR_REG(cpu)); in meson_smp_begin_secondary_boot()
131 scu_cpu_power_enable(scu_base, cpu); in meson_smp_begin_secondary_boot()
134 static int meson_smp_finalize_secondary_boot(unsigned int cpu) in meson_smp_finalize_secondary_boot() argument
139 while (readl(sram_base + MESON_SMP_SRAM_CPU_CTRL_ADDR_REG(cpu))) { in meson_smp_finalize_secondary_boot()
[all …]
|
| /linux/arch/powerpc/include/asm/ |
| H A D | smp.h | 35 extern int cpu_to_chip_id(int cpu);
45 void (*message_pass)(int cpu, int msg);
47 void (*cause_ipi)(int cpu);
49 int (*cause_nmi_ipi)(int cpu);
68 extern int smp_send_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us);
69 extern int smp_send_safe_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us);
79 void generic_cpu_die(unsigned int cpu);
80 void generic_set_cpu_dead(unsigned int cpu);
81 void generic_set_cpu_up(unsigned int cpu);
82 int generic_check_cpu_restart(unsigned int cpu);
[all …]
|
| /linux/arch/loongarch/kernel/ |
| H A D | smp.c | 87 unsigned int cpu, i; in show_ipi_list() local
91 for_each_online_cpu(cpu) in show_ipi_list()
92 seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, cpu).ipi_irqs[i], 10); in show_ipi_list()
97 static inline void set_cpu_core_map(int cpu) in set_cpu_core_map() argument
101 cpumask_set_cpu(cpu, &cpu_core_setup_map); in set_cpu_core_map()
104 if (cpu_data[cpu].package == cpu_data[i].package) { in set_cpu_core_map()
105 cpumask_set_cpu(i, &cpu_core_map[cpu]); in set_cpu_core_map()
106 cpumask_set_cpu(cpu, &cpu_core_map[i]); in set_cpu_core_map()
111 static inline void set_cpu_llc_shared_map(int cpu) in set_cpu_llc_shared_map() argument
115 cpumask_set_cpu(cpu, &cpu_llc_shared_setup_map); in set_cpu_llc_shared_map()
[all …]
|
| /linux/arch/arm/mach-bcm/ |
| H A D | platsmp-brcmstb.c | 59 static int per_cpu_sw_state_rd(u32 cpu) in per_cpu_sw_state_rd() argument
61 sync_cache_r(SHIFT_PERCPU_PTR(&per_cpu_sw_state, per_cpu_offset(cpu))); in per_cpu_sw_state_rd()
62 return per_cpu(per_cpu_sw_state, cpu); in per_cpu_sw_state_rd()
65 static void per_cpu_sw_state_wr(u32 cpu, int val) in per_cpu_sw_state_wr() argument
68 per_cpu(per_cpu_sw_state, cpu) = val; in per_cpu_sw_state_wr()
69 sync_cache_w(SHIFT_PERCPU_PTR(&per_cpu_sw_state, per_cpu_offset(cpu))); in per_cpu_sw_state_wr()
72 static inline void per_cpu_sw_state_wr(u32 cpu, int val) { } in per_cpu_sw_state_wr() argument
75 static void __iomem *pwr_ctrl_get_base(u32 cpu) in pwr_ctrl_get_base() argument
78 base += (cpu_logical_map(cpu) * 4); in pwr_ctrl_get_base()
82 static u32 pwr_ctrl_rd(u32 cpu) in pwr_ctrl_rd() argument
[all …]
|
| /linux/arch/arm/mach-tegra/ |
| H A D | platsmp.c | 36 static void tegra_secondary_init(unsigned int cpu) in tegra_secondary_init() argument
38 cpumask_set_cpu(cpu, &tegra_cpu_init_mask); in tegra_secondary_init()
42 static int tegra20_boot_secondary(unsigned int cpu, struct task_struct *idle) in tegra20_boot_secondary() argument
44 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()
65 flowctrl_write_cpu_csr(cpu, 0); /* Clear flow controller CSR. */ in tegra20_boot_secondary()
66 tegra_cpu_out_of_reset(cpu); in tegra20_boot_secondary()
70 static int tegra30_boot_secondary(unsigned int cpu, struct task_struct *idle) in tegra30_boot_secondary() argument
[all …]
|
| /linux/tools/power/cpupower/utils/ |
| H A D | cpufreq-info.c | 42 if (strstr(value, "cpu ")) in count_cpus()
44 if (sscanf(value, "cpu%d ", &cpunr) != 1) in count_cpus()
51 /* cpu count starts from 0, on error return 1 (UP) */ in count_cpus()
58 unsigned int cpu, nr_cpus; in proc_cpufreq_output() local
67 for (cpu = 0; cpu < nr_cpus; cpu++) { in proc_cpufreq_output()
68 policy = cpufreq_get_policy(cpu); in proc_cpufreq_output()
72 if (cpufreq_get_hardware_limits(cpu, &min, &max)) { in proc_cpufreq_output()
79 cpu , polic in proc_cpufreq_output()
125 get_boost_mode_x86(unsigned int cpu) get_boost_mode_x86() argument
207 get_boost_mode_generic(unsigned int cpu) get_boost_mode_generic() argument
221 get_boost_mode(unsigned int cpu) get_boost_mode() argument
250 get_freq_kernel(unsigned int cpu,unsigned int human) get_freq_kernel() argument
269 get_freq_hardware(unsigned int cpu,unsigned int human) get_freq_hardware() argument
292 get_hardware_limits(unsigned int cpu,unsigned int human) get_hardware_limits() argument
315 get_driver(unsigned int cpu) get_driver() argument
329 get_policy(unsigned int cpu) get_policy() argument
351 get_available_governors(unsigned int cpu) get_available_governors() argument
374 get_affected_cpus(unsigned int cpu) get_affected_cpus() argument
395 get_related_cpus(unsigned int cpu) get_related_cpus() argument
416 get_freq_stats(unsigned int cpu,unsigned int human) get_freq_stats() argument
441 get_epp(unsigned int cpu,bool interactive) get_epp() argument
458 get_latency(unsigned int cpu,unsigned int human) get_latency() argument
481 get_perf_cap(unsigned int cpu) get_perf_cap() argument
490 debug_output_one(unsigned int cpu) debug_output_one() argument
548 unsigned int cpu = 0; cmd_freq_info() local
[all...] |
| /linux/arch/powerpc/kernel/ |
| H A D | tau_6xx.c | 55 static void set_thresholds(unsigned long cpu) in set_thresholds() argument
60 mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | maybe_tie | THRM1_TID); in set_thresholds()
63 mtspr(SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V | maybe_tie); in set_thresholds()
66 static void TAUupdate(int cpu) in TAUupdate() argument
77 if (tau[cpu].low >= step_size) { in TAUupdate()
78 tau[cpu].low -= step_size; in TAUupdate()
79 tau[cpu].high -= (step_size - window_expand); in TAUupdate()
81 tau[cpu].grew = 1; in TAUupdate()
88 if (tau[cpu].high <= 127 - step_size) { in TAUupdate()
89 tau[cpu].low += (step_size - window_expand); in TAUupdate()
[all …]
|
| /linux/tools/perf/util/ |
| H A D | cpumap.c | 78 u16 cpu = READ_ONCE(data->cpus_data.cpu[i]); in cpu_map__from_entries()
80 * Special treatment for -1, which is not real cpu number, in cpu_map__from_entries()
84 if (cpu == (u16) -1) { in cpu_map__from_entries()
85 RC_CHK_ACCESS(map)->map[i].cpu = -1; in cpu_map__from_entries()
86 } else if (cpu < INT16_MAX) { in cpu_map__from_entries()
87 RC_CHK_ACCESS(map)->map[i].cpu = (int16_t) cpu; in cpu_map__from_entries()
89 pr_err("Invalid cpumap entry %u\n", cpu); in cpu_map__from_entries()
125 int cpu; in cpu_map__from_mask()
110 int cpu; cpu_map__from_mask() local
140 for (int cpu = data->range_cpu_data.start_cpu; cpu <= data->range_cpu_data.end_cpu; cpu_map__from_range() local
206 cpu__get_topology_int(int cpu,const char * name,int * value) cpu__get_topology_int() argument
216 cpu__get_socket_id(struct perf_cpu cpu) cpu__get_socket_id() argument
222 aggr_cpu_id__socket(struct perf_cpu cpu,void * data __maybe_unused) aggr_cpu_id__socket() argument
258 struct perf_cpu cpu; cpu_aggr_map__new() local
300 cpu__get_die_id(struct perf_cpu cpu) cpu__get_die_id() argument
307 aggr_cpu_id__die(struct perf_cpu cpu,void * data) aggr_cpu_id__die() argument
330 cpu__get_cluster_id(struct perf_cpu cpu) cpu__get_cluster_id() argument
337 aggr_cpu_id__cluster(struct perf_cpu cpu,void * data) aggr_cpu_id__cluster() argument
354 cpu__get_core_id(struct perf_cpu cpu) cpu__get_core_id() argument
360 aggr_cpu_id__core(struct perf_cpu cpu,void * data) aggr_cpu_id__core() argument
379 aggr_cpu_id__cpu(struct perf_cpu cpu,void * data) aggr_cpu_id__cpu() argument
393 aggr_cpu_id__node(struct perf_cpu cpu,void * data __maybe_unused) aggr_cpu_id__node() argument
401 aggr_cpu_id__global(struct perf_cpu cpu,void * data __maybe_unused) aggr_cpu_id__global() argument
544 cpu__get_node(struct perf_cpu cpu) cpu__get_node() argument
577 unsigned int cpu, mem; cpu__setup_cpunode_map() local
635 struct perf_cpu cpu = { .cpu = INT16_MAX }; cpu_map__snprint() local
704 for (int cpu = last_cpu.cpu / 4 * 4; cpu >= 0; cpu -= 4) { cpu_map__snprint_mask() local
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| /linux/kernel/ |
| H A D | smpboot.c | 28 struct task_struct *idle_thread_get(unsigned int cpu) in idle_thread_get() argument
30 struct task_struct *tsk = per_cpu(idle_threads, cpu); in idle_thread_get()
48 static __always_inline void idle_init(unsigned int cpu) in idle_init() argument
50 struct task_struct *tsk = per_cpu(idle_threads, cpu); in idle_init()
53 tsk = fork_idle(cpu); in idle_init()
55 pr_err("SMP: fork_idle() failed for CPU %u\n", cpu); in idle_init()
57 per_cpu(idle_threads, cpu) = tsk; in idle_init()
66 unsigned int cpu, boot_cpu; in idle_threads_init() local
70 for_each_possible_cpu(cpu) { in idle_threads_init()
71 if (cpu != boot_cpu) in idle_threads_init()
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| /linux/arch/arm64/boot/dts/amd/ |
| H A D | elba-16core.dtsi | 11 cpu-map {
13 core0 { cpu = <&cpu0>; };
14 core1 { cpu = <&cpu1>; };
15 core2 { cpu = <&cpu2>; };
16 core3 { cpu = <&cpu3>; };
20 core0 { cpu = <&cpu4>; };
21 core1 { cpu = <&cpu5>; };
22 core2 { cpu = <&cpu6>; };
23 core3 { cpu = <&cpu7>; };
27 core0 { cpu = <&cpu8>; };
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| /linux/drivers/xen/ |
| H A D | cpu_hotplug.c | 12 static void enable_hotplug_cpu(int cpu) in enable_hotplug_cpu() argument
14 if (!cpu_present(cpu)) in enable_hotplug_cpu()
15 xen_arch_register_cpu(cpu); in enable_hotplug_cpu()
17 set_cpu_present(cpu, true); in enable_hotplug_cpu()
20 static void disable_hotplug_cpu(int cpu) in disable_hotplug_cpu() argument
22 if (!cpu_is_hotpluggable(cpu)) in disable_hotplug_cpu()
25 if (cpu_online(cpu)) in disable_hotplug_cpu()
26 device_offline(get_cpu_device(cpu)); in disable_hotplug_cpu()
27 if (!cpu_online(cpu) && cpu_present(cpu)) { in disable_hotplug_cpu()
28 xen_arch_unregister_cpu(cpu); in disable_hotplug_cpu()
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| /linux/arch/s390/kernel/ |
| H A D | smp.c | 166 int cpu; in pcpu_find_address() local
168 for_each_cpu(cpu, mask) in pcpu_find_address()
169 if (per_cpu(pcpu_devices, cpu).address == address) in pcpu_find_address()
170 return &per_cpu(pcpu_devices, cpu); in pcpu_find_address()
182 static int pcpu_alloc_lowcore(struct pcpu *pcpu, int cpu) in pcpu_alloc_lowcore() argument
198 lc->cpu_nr = cpu; in pcpu_alloc_lowcore()
199 lc->spinlock_lockval = arch_spin_lockval(cpu); in pcpu_alloc_lowcore()
206 if (abs_lowcore_map(cpu, lc, true)) in pcpu_alloc_lowcore()
208 lowcore_ptr[cpu] = lc; in pcpu_alloc_lowcore()
222 static void pcpu_free_lowcore(struct pcpu *pcpu, int cpu) in pcpu_free_lowcore() argument
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| /linux/tools/power/cpupower/utils/idle_monitor/ |
| H A D | mperf_monitor.c | 33 unsigned int cpu);
35 unsigned int cpu);
93 static int get_aperf_mperf(int cpu, unsigned long long *aval, in get_aperf_mperf() argument
106 if (bind_cpu(cpu)) in get_aperf_mperf()
124 ret = read_msr(cpu, MSR_APERF, aval); in get_aperf_mperf()
125 ret |= read_msr(cpu, MSR_MPERF, mval); in get_aperf_mperf()
130 static int mperf_init_stats(unsigned int cpu) in mperf_init_stats() argument
135 ret = get_aperf_mperf(cpu, &aval, &mval); in mperf_init_stats()
136 aperf_previous_count[cpu] = aval; in mperf_init_stats()
137 mperf_previous_count[cpu] = mval; in mperf_init_stats()
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| /linux/kernel/sched/ext/ |
| H A D | idle.c | 36 cpumask_var_t cpu; member
72 static int scx_cpu_node_if_enabled(int cpu) in scx_cpu_node_if_enabled() argument
77 return cpu_to_node(cpu); in scx_cpu_node_if_enabled()
80 static bool scx_idle_test_and_clear_cpu(int cpu) in scx_idle_test_and_clear_cpu() argument
82 int node = scx_cpu_node_if_enabled(cpu); in scx_idle_test_and_clear_cpu()
83 struct cpumask *idle_cpus = idle_cpumask(node)->cpu; in scx_idle_test_and_clear_cpu()
91 const struct cpumask *smt = cpu_smt_mask(cpu); in scx_idle_test_and_clear_cpu()
106 else if (cpumask_test_cpu(cpu, idle_smts)) in scx_idle_test_and_clear_cpu()
107 __cpumask_clear_cpu(cpu, idle_smts); in scx_idle_test_and_clear_cpu()
110 return cpumask_test_and_clear_cpu(cpu, idle_cpus); in scx_idle_test_and_clear_cpu()
[all …]
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| /linux/arch/loongarch/include/asm/ |
| H A D | mmu_context.h | 24 static inline u64 asid_version_mask(unsigned int cpu) in asid_version_mask() argument
26 return ~(u64)(cpu_asid_mask(&cpu_data[cpu])); in asid_version_mask()
29 static inline u64 asid_first_version(unsigned int cpu) in asid_first_version() argument
31 return cpu_asid_mask(&cpu_data[cpu]) + 1; in asid_first_version()
34 #define cpu_context(cpu, mm) ((mm)->context.asid[cpu]) argument
35 #define asid_cache(cpu) (cpu_data[cpu].asid_cache) argument
36 #define cpu_asid(cpu, mm) (cpu_context((cpu), (mm)) & cpu_asid_mask(&cpu_data[cpu])) argument
38 static inline int asid_valid(struct mm_struct *mm, unsigned int cpu) in asid_valid() argument
40 if ((cpu_context(cpu, mm) ^ asid_cache(cpu)) & asid_version_mask(cpu)) in asid_valid()
52 get_new_mmu_context(struct mm_struct *mm, unsigned long cpu, bool *need_flush) in get_new_mmu_context() argument
[all …]
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