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Searched refs:prev_cpu (Results 1 – 25 of 35) sorted by relevance

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/linux/kernel/sched/ext/
H A Didle.c458 s32 scx_select_cpu_dfl(struct task_struct *p, s32 prev_cpu, u64 wake_flags, in scx_select_cpu_dfl() argument
463 int node = scx_cpu_node_if_enabled(prev_cpu); in scx_select_cpu_dfl()
489 is_prev_allowed = cpumask_test_cpu(prev_cpu, allowed); in scx_select_cpu_dfl()
505 const struct cpumask *cpus = numa_span(prev_cpu); in scx_select_cpu_dfl()
515 const struct cpumask *cpus = llc_span(prev_cpu); in scx_select_cpu_dfl()
534 if (is_prev_allowed && cpus_share_cache(cpu, prev_cpu) && in scx_select_cpu_dfl()
535 scx_idle_test_and_clear_cpu(prev_cpu)) { in scx_select_cpu_dfl()
536 cpu = prev_cpu; in scx_select_cpu_dfl()
574 cpumask_test_cpu(prev_cpu, idle_cpumask(node)->smt) && in scx_select_cpu_dfl()
575 scx_idle_test_and_clear_cpu(prev_cpu)) { in scx_select_cpu_dfl()
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/linux/arch/x86/include/asm/trace/
H A Dirq_vectors.h155 unsigned int prev_cpu),
157 TP_ARGS(irq, vector, cpu, prev_vector, prev_cpu),
164 __field( unsigned int, prev_cpu )
172 __entry->prev_cpu = prev_cpu;
178 __entry->prev_vector, __entry->prev_cpu)
185 unsigned int prev_cpu), \
186 TP_ARGS(irq, vector, cpu, prev_vector, prev_cpu), NULL, NULL); \
/linux/tools/testing/selftests/sched_ext/
H A Dallowed_cpus.bpf.c63 struct task_struct *p, s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
78 cpu = scx_bpf_select_cpu_and(p, prev_cpu, wake_flags, allowed, 0); in BPF_STRUCT_OPS()
86 return prev_cpu; in BPF_STRUCT_OPS()
92 s32 prev_cpu = scx_bpf_task_cpu(p), cpu; in BPF_STRUCT_OPS() local
107 cpu = scx_bpf_select_cpu_and(p, prev_cpu, 0, allowed, 0); in BPF_STRUCT_OPS()
H A Dselect_cpu_dispatch.bpf.c16 s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
19 s32 cpu = prev_cpu; in BPF_STRUCT_OPS()
29 cpu = prev_cpu; in BPF_STRUCT_OPS()
H A Denq_select_cpu_fails.bpf.c
H A Dselect_cpu_dfl_nodispatch.bpf.c31 s32 scx_bpf_select_cpu_dfl(struct task_struct *p, s32 prev_cpu, u64 wake_flags,
35 s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
46 cpu = scx_bpf_select_cpu_dfl(p, prev_cpu, wake_flags, in BPF_STRUCT_OPS()
H A Dselect_cpu_dispatch_bad_dsq.bpf.c18 s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
23 return prev_cpu; in BPF_STRUCT_OPS()
H A Dselect_cpu_dispatch_dbl_dsp.bpf.c18 s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
24 return prev_cpu; in BPF_STRUCT_OPS()
H A Dddsp_bogus_dsq_fail.bpf.c14 s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
18 cpu = prev_cpu; in BPF_STRUCT_OPS()
H A Dddsp_vtimelocal_fail.bpf.c14 s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
18 cpu = prev_cpu; in BPF_STRUCT_OPS()
H A Dnohz_tick.bpf.c19 s32 BPF_STRUCT_OPS(nohz_tick_select_cpu, struct task_struct *p, s32 prev_cpu, in BPF_STRUCT_OPS() argument
22 return prev_cpu; in BPF_STRUCT_OPS()
H A Ddequeue_iter.bpf.c28 s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
30 return prev_cpu; in BPF_STRUCT_OPS()
H A Ddsp_local_on.bpf.c20 s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
22 return prev_cpu; in BPF_STRUCT_OPS()
H A Dexit.bpf.c21 s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
28 return scx_bpf_select_cpu_dfl(p, prev_cpu, wake_flags, &found); in BPF_STRUCT_OPS()
H A Dselect_cpu_vtime.bpf.c39 s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
47 cpu = prev_cpu; in BPF_STRUCT_OPS()
H A Dnuma.bpf.c50 struct task_struct *p, s32 prev_cpu, u64 wake_flags) in BPF_STRUCT_OPS() argument
77 return prev_cpu; in BPF_STRUCT_OPS()
H A Dmaximal.bpf.c17 s32 BPF_STRUCT_OPS(maximal_select_cpu, struct task_struct *p, s32 prev_cpu, in BPF_STRUCT_OPS() argument
20 return prev_cpu; in BPF_STRUCT_OPS()
/linux/arch/powerpc/lib/
H A Dqspinlock.c261 static struct qnode *get_tail_qnode(struct qspinlock *lock, int prev_cpu) in get_tail_qnode() argument
263 struct qnodes *qnodesp = per_cpu_ptr(&qnodes, prev_cpu); in get_tail_qnode()
377 static __always_inline bool yield_to_prev(struct qspinlock *lock, struct qnode *node, int prev_cpu,… in yield_to_prev() argument
392 if (node->sleepy || vcpu_is_preempted(prev_cpu)) { in yield_to_prev()
419 yield_count = yield_count_of(prev_cpu); in yield_to_prev()
431 yield_to_preempted(prev_cpu, yield_count); in yield_to_prev()
576 int prev_cpu = decode_tail_cpu(old); in queued_spin_lock_mcs_queue() local
577 struct qnode *prev = get_tail_qnode(lock, prev_cpu); in queued_spin_lock_mcs_queue()
587 if (yield_to_prev(lock, node, prev_cpu, paravirt)) in queued_spin_lock_mcs_queue()
/linux/tools/sched_ext/include/scx/
H A Dcompat.bpf.h278 s32 scx_bpf_select_cpu_and___compat(struct task_struct *p, s32 prev_cpu, u64 wake_flags,
295 scx_bpf_select_cpu_and(struct task_struct *p, s32 prev_cpu, u64 wake_flags, in scx_bpf_select_cpu_and() argument
300 .prev_cpu = prev_cpu, in scx_bpf_select_cpu_and()
307 return scx_bpf_select_cpu_and___compat(p, prev_cpu, wake_flags, in scx_bpf_select_cpu_and()
/linux/arch/sparc/kernel/
H A Dcpumap.c193 int n, id, cpu, prev_cpu, last_cpu, level; in build_cpuinfo_tree() local
204 prev_cpu = cpu = cpumask_first(cpu_online_mask); in build_cpuinfo_tree()
268 (cpu == last_cpu) ? cpu : prev_cpu; in build_cpuinfo_tree()
290 prev_cpu = cpu; in build_cpuinfo_tree()
/linux/Documentation/translations/zh_CN/scheduler/
H A Dsched-energy.rst118 依然放在之前活动的prev_cpu是否可以节省能量。
132 prev_cpu = 0（上一次运行在CPU0）。
197 **情况3. P依旧留在prev_cpu/CPU0**::
/linux/arch/x86/kernel/apic/
H A Dvector.c31 unsigned int prev_cpu; member
181 apicd->prev_cpu = apicd->cpu; in chip_data_update()
363 apicd->prev_cpu); in clear_irq_vector()
374 per_cpu(vector_irq, apicd->prev_cpu)[vector] = VECTOR_SHUTDOWN; in clear_irq_vector()
375 apic_free_vector(apicd->prev_cpu, vector, managed); in clear_irq_vector()
654 seq_printf(m, "%*sPrevious target: %5u\n", ind, "", apicd.prev_cpu); in x86_vector_debug_show()
900 unsigned int cpu = apicd->prev_cpu; in free_moved_vector()
940 if (!vector || (apicd->cpu != cpu && apicd->prev_cpu != cpu)) in apic_force_complete_move()
1094 unsigned int cpu = apicd->prev_cpu; in __vector_schedule_cleanup()
/linux/arch/riscv/include/asm/
H A Dswitch_to.h100 bool thread_migrated = smp_processor_id() != task->thread.prev_cpu; in switch_to_should_flush_icache()
109 #define __set_prev_cpu(thread) ((thread).prev_cpu = smp_processor_id())
/linux/tools/sched_ext/
H A Dscx_cpu0.bpf.c43 s32 BPF_STRUCT_OPS(cpu0_select_cpu, struct task_struct *p, s32 prev_cpu, u64 wake_flags) in stat_inc()
45 BPF_STRUCT_OPS(cpu0_select_cpu,struct task_struct * p,s32 prev_cpu,u64 wake_flags) BPF_STRUCT_OPS() argument
/linux/kernel/sched/
H A Dfair.c1316 static int select_idle_sibling(struct task_struct *p, int prev_cpu, int cpu);
8574 wake_affine_idle(int this_cpu, int prev_cpu, int sync)
8582 * If the prev_cpu is idle and cache affine then avoid a migration. in set_idle_cores()
8584 * is more important than cache hot data on the prev_cpu and from in set_idle_cores()
8588 if (available_idle_cpu(this_cpu) && cpus_share_cache(this_cpu, prev_cpu)) in test_idle_cores()
8589 return available_idle_cpu(prev_cpu) ? prev_cpu : this_cpu; in test_idle_cores()
8598 if (available_idle_cpu(prev_cpu))
8599 return prev_cpu;
8606 int this_cpu, int prev_cpu, in in __update_idle_core()
8358 wake_affine_idle(int this_cpu,int prev_cpu,int sync) wake_affine_idle() argument
8390 wake_affine_weight(struct sched_domain * sd,struct task_struct * p,int this_cpu,int prev_cpu,int sync) wake_affine_weight() argument
8432 wake_affine(struct sched_domain * sd,struct task_struct * p,int this_cpu,int prev_cpu,int sync) wake_affine() argument
8515 sched_balance_find_dst_cpu(struct sched_domain * sd,struct task_struct * p,int cpu,int prev_cpu,int sd_flag) sched_balance_find_dst_cpu() argument
9351 eenv_task_busy_time(struct energy_env * eenv,struct task_struct * p,int prev_cpu) eenv_task_busy_time() argument
9512 find_energy_efficient_cpu(struct task_struct * p,int prev_cpu) find_energy_efficient_cpu() argument
9701 select_task_rq_fair(struct task_struct * p,int prev_cpu,int wake_flags) select_task_rq_fair() argument
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