#ifndef _KERN_TIMER_QUEUE_H_
#define _KERN_TIMER_QUEUE_H_
#include <mach/mach_types.h>
#ifdef MACH_KERNEL_PRIVATE
#include <kern/queue.h>
#define DECR_TRAP_LATENCY MACHDBG_CODE(DBG_MACH_EXCP_DECI, 0)
#define DECR_SET_DEADLINE MACHDBG_CODE(DBG_MACH_EXCP_DECI, 1)
#define DECR_TIMER_CALLOUT MACHDBG_CODE(DBG_MACH_EXCP_DECI, 2)
#define DECR_PM_DEADLINE MACHDBG_CODE(DBG_MACH_EXCP_DECI, 3)
#define DECR_TIMER_MIGRATE MACHDBG_CODE(DBG_MACH_EXCP_DECI, 4)
#if defined(i386) || defined(x86_64)
#define DECR_RDHPET MACHDBG_CODE(DBG_MACH_EXCP_DECI, 5)
#define DECR_SET_TSC_DEADLINE MACHDBG_CODE(DBG_MACH_EXCP_DECI, 6)
#define DECR_SET_APIC_DEADLINE MACHDBG_CODE(DBG_MACH_EXCP_DECI, 16)
#endif
#define DECR_TIMER_ENTER MACHDBG_CODE(DBG_MACH_EXCP_DECI, 7)
#define DECR_TIMER_CANCEL MACHDBG_CODE(DBG_MACH_EXCP_DECI, 8)
#define DECR_TIMER_QUEUE MACHDBG_CODE(DBG_MACH_EXCP_DECI, 9)
#define DECR_TIMER_EXPIRE MACHDBG_CODE(DBG_MACH_EXCP_DECI,10)
#define DECR_TIMER_ASYNC_DEQ MACHDBG_CODE(DBG_MACH_EXCP_DECI,11)
#define DECR_TIMER_UPDATE MACHDBG_CODE(DBG_MACH_EXCP_DECI,12)
#define DECR_TIMER_ESCALATE MACHDBG_CODE(DBG_MACH_EXCP_DECI,13)
#define DECR_TIMER_OVERDUE MACHDBG_CODE(DBG_MACH_EXCP_DECI,14)
#define DECR_TIMER_RESCAN MACHDBG_CODE(DBG_MACH_EXCP_DECI,15)
extern mpqueue_head_t * timer_queue_assign(
uint64_t deadline);
extern uint64_t timer_call_slop(
uint64_t deadline,
uint64_t armtime,
uint32_t urgency,
thread_t arming_thread,
boolean_t *rlimited);
extern boolean_t timer_resort_threshold(uint64_t);
extern void timer_queue_cancel(
mpqueue_head_t *queue,
uint64_t deadline,
uint64_t new_deadline);
extern mpqueue_head_t * timer_queue_cpu(
int cpu);
extern void timer_call_cpu(
int cpu,
void (*fn)(void *),
void *arg);
extern void timer_call_nosync_cpu(
int cpu,
void (*fn)(void *),
void *arg);
#define NUM_LATENCY_QOS_TIERS (6)
typedef struct {
uint32_t idle_entry_timer_processing_hdeadline_threshold_ns;
uint32_t interrupt_timer_coalescing_ilat_threshold_ns;
uint32_t timer_resort_threshold_ns;
int32_t timer_coalesce_rt_shift;
int32_t timer_coalesce_bg_shift;
int32_t timer_coalesce_kt_shift;
int32_t timer_coalesce_fp_shift;
int32_t timer_coalesce_ts_shift;
uint64_t timer_coalesce_rt_ns_max;
uint64_t timer_coalesce_bg_ns_max;
uint64_t timer_coalesce_kt_ns_max;
uint64_t timer_coalesce_fp_ns_max;
uint64_t timer_coalesce_ts_ns_max;
uint32_t latency_qos_scale[NUM_LATENCY_QOS_TIERS];
uint64_t latency_qos_ns_max[NUM_LATENCY_QOS_TIERS];
boolean_t latency_tier_rate_limited[NUM_LATENCY_QOS_TIERS];
} timer_coalescing_priority_params_ns_t;
extern timer_coalescing_priority_params_ns_t * timer_call_get_priority_params(void);
extern uint64_t timer_call_slop(
uint64_t deadline,
uint64_t armtime,
uint32_t urgency,
thread_t arming_thread,
boolean_t *rlimited);
extern uint64_t timer_queue_expire(
mpqueue_head_t *queue,
uint64_t deadline);
extern uint64_t timer_queue_expire_with_options(
mpqueue_head_t *,
uint64_t,
boolean_t);
extern void timer_queue_shutdown(
mpqueue_head_t *queue);
extern int timer_queue_migrate(
mpqueue_head_t *from,
mpqueue_head_t *to);
extern void timer_intr(int inuser, uint64_t iaddr);
#if defined(i386) || defined(x86_64)
extern uint64_t setPop(uint64_t time);
#else
extern int setPop(uint64_t time);
#endif
extern void timer_resync_deadlines(void);
extern void timer_set_deadline(uint64_t deadline);
extern uint32_t timer_queue_migrate_cpu(int target_cpu);
extern void timer_queue_trace(
mpqueue_head_t *queue);
extern void timer_queue_trace_cpu(int cpu);
extern uint64_t timer_sysctl_get(int oid);
extern int timer_sysctl_set(int oid, uint64_t value);
#endif
#endif