Documented in 1 files:
Defined in 1 files as a struct:
Defined in 1 files as a prototype:
Defined in 1 files as a member:
Defined in 1 files as a function:
Referenced in 11 files:
- arch/arm64/kernel/topology.c, line 227
- arch/sparc/kernel/smp_64.c, line 1437
- arch/x86/kernel/kvm.c, line 653
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drivers/idle/intel_idle.c
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- drivers/tty/sysrq.c, line 234
- include/linux/sched.h, line 2358
- kernel/rcu/tree_stall.h, line 468
- kernel/sched/core.c
-
kernel/sched/fair.c
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- kernel/sched/syscalls.c, line 205
- kernel/workqueue.c, line 7776
Smatch caller information:
kernel/rcu/tree.c rcu_is_rcuc_kthread_starving() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-s32max |
| DATA_SOURCE | 0 | cpu | r task_cpu |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | flags | ||
| HALF_LOCKED2 | &(rdp->mynode)->lock | ||
| HALF_LOCKED2 | &rnp->lock |
kernel/sched/build_policy.c sched_core_idle_cpu() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0 |
| DATA_SOURCE | 0 | cpu | $0 |
| LOCK2 | irq |
arch/x86/kernel/kvm.c kvm_smp_send_call_func_ipi() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-64 |
| CAPPED_DATA | 0 | cpu | 1 |
| DATA_SOURCE | 0 | cpu | r find_next_bit |
| CONSTRAINT | 0 | cpu | <3035 |
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | _T->lock |
kernel/sched/fair.c _nohz_idle_balance() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-8192 |
| CAPPED_DATA | 0 | cpu | 1 |
| CONSTRAINT | 0 | cpu | <3035 |
| PREEMPT_ADD |
kernel/sched/fair.c _nohz_idle_balance() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD |
kernel/sched/fair.c find_new_ilb() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-64 |
| CAPPED_DATA | 0 | cpu | 1 |
| DATA_SOURCE | 0 | cpu | r find_next_bit |
| CONSTRAINT | 0 | cpu | <3035 |
| RX_PATH | |||
| TASK_NOT_RUNNING |
kernel/sched/fair.c is_core_idle() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-64 |
| CAPPED_DATA | 0 | cpu | 1 |
| DATA_SOURCE | 0 | cpu | r find_next_bit |
| CONSTRAINT | 0 | cpu | <3035 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &p->pi_lock | ||
| HALF_LOCKED2 | rcu_read |
kernel/sched/fair.c sched_balance_domains() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| LOCK2 | rcu_read |
kernel/sched/fair.c should_we_balance() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-8192 |
| CAPPED_DATA | 0 | cpu | 1 |
| DATA_SOURCE | 0 | cpu | r find_next_and_bit |
| CONSTRAINT | 0 | cpu | <3035 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | busiest | ||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | rcu_read |
kernel/sched/fair.c task_numa_assign() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-8192 |
| CAPPED_DATA | 0 | cpu | 1 |
| CONSTRAINT | 0 | cpu | <3035 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | rcu_read |
kernel/sched/fair.c task_numa_compare() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-8192 |
| CAPPED_DATA | 0 | cpu | 1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &mm->mmap_lock |
kernel/sched/fair.c task_numa_compare() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-s32max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &mm->mmap_lock |
kernel/sched/fair.c task_numa_compare() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-s32max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &mm->mmap_lock |
kernel/sched/fair.c update_numa_stats() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-64 |
| CAPPED_DATA | 0 | cpu | 1 |
| DATA_SOURCE | 0 | cpu | r find_next_bit |
| CONSTRAINT | 0 | cpu | <3035 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &mm->mmap_lock |
kernel/sched/fair.c update_sg_lb_stats() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0-8192 |
| CAPPED_DATA | 0 | cpu | 1 |
| DATA_SOURCE | 0 | cpu | r find_next_and_bit |
| CONSTRAINT | 0 | cpu | <3035 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | busiest | ||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | rcu_read |
kernel/workqueue.c show_pool_no_running_worker() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | cpu | unit_array_size |
| LOCK2 | &pool->lock | ||
| LOCK2 | irq_flags | ||
| LOCK2 | rcu_read | ||
| TYPE_LOCK | (struct worker_pool)->lock |
drivers/tty/sysrq.c showacpu() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | flags |
kernel/sched/core.c get_nohz_timer_target() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0 |
| DATA_SOURCE | 0 | cpu | r debug_smp_processor_id |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &timer->base->cpu_base->lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct hrtimer_cpu_base)->lock |
kernel/sched/core.c get_nohz_timer_target() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 1-8192 |
| CAPPED_DATA | 0 | cpu | 1 |
| DATA_SOURCE | 0 | cpu | r find_next_and_bit |
| CONSTRAINT | 0 | cpu | <3035 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &timer->base->cpu_base->lock | ||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct hrtimer_cpu_base)->lock |
kernel/sched/core.c nohz_csd_func() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|
kernel/sched/core.c sched_tick() -> idle_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu | 0 |
| DATA_SOURCE | 0 | cpu | r debug_smp_processor_id |
| RX_PATH | |||
| TASK_NOT_RUNNING |