| /Linux-v5.15/include/linux/ |
| D | hrtimer.h | 118 struct hrtimer { struct
121 enum hrtimer_restart (*function)(struct hrtimer *); argument
137 struct hrtimer timer; argument
164 struct hrtimer *running;
234 struct hrtimer *next_timer;
236 struct hrtimer *softirq_next_timer;
240 static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time) in hrtimer_set_expires()
246 static inline void hrtimer_set_expires_range(struct hrtimer *timer, ktime_t time, ktime_t delta) in hrtimer_set_expires_range()
252 static inline void hrtimer_set_expires_range_ns(struct hrtimer *timer, ktime_t time, u64 delta) in hrtimer_set_expires_range_ns()
258 static inline void hrtimer_set_expires_tv64(struct hrtimer *timer, s64 tv64) in hrtimer_set_expires_tv64()
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| D | serial_8250.h | 80 struct hrtimer start_tx_timer; /* "rs485 start tx" timer */
81 struct hrtimer stop_tx_timer; /* "rs485 stop tx" timer */
82 struct hrtimer *active_timer; /* pointer to active timer */
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| /Linux-v5.15/include/trace/events/ |
| D | timer.h | 169 TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid,
172 TP_ARGS(hrtimer, clockid, mode),
175 __field( void *, hrtimer )
181 __entry->hrtimer = hrtimer;
186 TP_printk("hrtimer=%p clockid=%s mode=%s", __entry->hrtimer,
197 TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode),
199 TP_ARGS(hrtimer, mode),
202 __field( void *, hrtimer )
210 __entry->hrtimer = hrtimer;
211 __entry->function = hrtimer->function;
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| /Linux-v5.15/Documentation/translations/zh_CN/iio/ |
| D | iio_configfs.rst | 86 * hrtimer,使用高分辨率定时器作为中断源
91 加载iio-trig-hrtimer模块将注册hrtimer触发器类型，从而允许用户在
92 /config/iio/triggers/hrtimer下创建hrtimer触发器。
96 $ mkdir /config/iio/triggers/hrtimer/instance1
97 $ rmdir /config/iio/triggers/hrtimer/instance1
101 3.2 "hrtimer" 触发器类型属性
104 "hrtimer”触发器类型没有来自/config dir的任何可配置属性。
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| /Linux-v5.15/drivers/hwtracing/stm/ |
| D | heartbeat.c | 26 struct hrtimer hrtimer; member
32 static enum hrtimer_restart stm_heartbeat_hrtimer_handler(struct hrtimer *hr) in stm_heartbeat_hrtimer_handler()
35 hrtimer); in stm_heartbeat_hrtimer_handler()
50 hrtimer_start(&heartbeat->hrtimer, ms_to_ktime(interval_ms), in stm_heartbeat_link()
62 hrtimer_cancel(&heartbeat->hrtimer); in stm_heartbeat_unlink()
83 hrtimer_init(&stm_heartbeat[i].hrtimer, CLOCK_MONOTONIC, in stm_heartbeat_init()
85 stm_heartbeat[i].hrtimer.function = in stm_heartbeat_init()
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| /Linux-v5.15/kernel/time/ |
| D | hrtimer.c | 165 struct hrtimer_clock_base *lock_hrtimer_base(const struct hrtimer *timer, in lock_hrtimer_base()
193 hrtimer_check_target(struct hrtimer *timer, struct hrtimer_clock_base *new_base) in hrtimer_check_target()
225 switch_hrtimer_base(struct hrtimer *timer, struct hrtimer_clock_base *base, in switch_hrtimer_base()
282 lock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags) in lock_hrtimer_base()
349 return ((struct hrtimer *) addr)->function; in hrtimer_debug_hint()
358 struct hrtimer *timer = addr; in hrtimer_fixup_init()
392 struct hrtimer *timer = addr; in hrtimer_fixup_free()
412 static inline void debug_hrtimer_init(struct hrtimer *timer) in debug_hrtimer_init()
417 static inline void debug_hrtimer_activate(struct hrtimer *timer, in debug_hrtimer_activate()
423 static inline void debug_hrtimer_deactivate(struct hrtimer *timer) in debug_hrtimer_deactivate()
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| D | tick-broadcast-hrtimer.c | 18 static struct hrtimer bctimer;
99 static enum hrtimer_restart bc_handler(struct hrtimer *t) in bc_handler()
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| D | Makefile | 2 obj-y += time.o timer.o hrtimer.o
15 obj-$(CONFIG_TICK_ONESHOT) += tick-broadcast-hrtimer.o
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| /Linux-v5.15/arch/powerpc/kernel/ |
| D | watchdog.c | 83 static DEFINE_PER_CPU(struct hrtimer, wd_hrtimer);
294 static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) in watchdog_timer_fn() argument
306 hrtimer_forward_now(hrtimer, ms_to_ktime(wd_timer_period_ms)); in watchdog_timer_fn()
326 struct hrtimer *hrtimer = this_cpu_ptr(&wd_hrtimer); in start_watchdog() local
351 hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); in start_watchdog()
352 hrtimer->function = watchdog_timer_fn; in start_watchdog()
353 hrtimer_start(hrtimer, ms_to_ktime(wd_timer_period_ms), in start_watchdog()
364 struct hrtimer *hrtimer = this_cpu_ptr(&wd_hrtimer); in stop_watchdog() local
371 hrtimer_cancel(hrtimer); in stop_watchdog()
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| /Linux-v5.15/Documentation/iio/ |
| D | iio_configfs.rst | 82 * hrtimer, uses high resolution timers as interrupt source
87 Loading iio-trig-hrtimer module will register hrtimer trigger types allowing
88 users to create hrtimer triggers under /config/iio/triggers/hrtimer.
92 $ mkdir /config/iio/triggers/hrtimer/instance1
93 $ rmdir /config/iio/triggers/hrtimer/instance1
97 3.2 "hrtimer" trigger types attributes
100 "hrtimer" trigger type doesn't have any configurable attribute from /config dir.
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| /Linux-v5.15/kernel/ |
| D | watchdog.c | 180 static DEFINE_PER_CPU(struct hrtimer, watchdog_hrtimer);
354 static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) in watchdog_timer_fn() argument
376 hrtimer_forward_now(hrtimer, ns_to_ktime(sample_period)); in watchdog_timer_fn()
452 struct hrtimer *hrtimer = this_cpu_ptr(&watchdog_hrtimer); in watchdog_enable() local
464 hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD); in watchdog_enable()
465 hrtimer->function = watchdog_timer_fn; in watchdog_enable()
466 hrtimer_start(hrtimer, ns_to_ktime(sample_period), in watchdog_enable()
478 struct hrtimer *hrtimer = this_cpu_ptr(&watchdog_hrtimer); in watchdog_disable() local
488 hrtimer_cancel(hrtimer); in watchdog_disable()
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| /Linux-v5.15/Documentation/translations/zh_CN/admin-guide/ |
| D | lockup-watchdogs.rst | 34 Softlockup和hardlockup分别建立在hrtimer(高精度定时器)和perf两个子系统上而实现。
39 为间隔周期产生以检测 hardlockups。如果一个CPU在这个时间段内没有检测到hrtimer中
45 "softlocup 检测器"(内部hrtimer定时器回调函数)会将相关的调试信息打印到系统日志中，
48 Hrtimer定时器的周期是2*watchdog_thresh/5，也就是说在hardlockup被触发前hrtimer有
51 如上所述,内核相当于为系统管理员提供了一个可调节hrtimer定时器和perf事件周期长度
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| /Linux-v5.15/sound/sh/ |
| D | sh_dac_audio.c | 41 struct hrtimer hrtimer; member
55 hrtimer_start(&chip->hrtimer, chip->wakeups_per_second, in dac_audio_start_timer()
61 hrtimer_cancel(&chip->hrtimer); in dac_audio_stop_timer()
283 static enum hrtimer_restart sh_dac_audio_timer(struct hrtimer *handle) in sh_dac_audio_timer()
286 hrtimer); in sh_dac_audio_timer()
310 hrtimer_start(&chip->hrtimer, chip->wakeups_per_second, in sh_dac_audio_timer()
336 hrtimer_init(&chip->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); in snd_sh_dac_create()
337 chip->hrtimer.function = sh_dac_audio_timer; in snd_sh_dac_create()
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| /Linux-v5.15/arch/arm/mach-imx/ |
| D | mmdc.c | 100 struct hrtimer hrtimer; member
337 hrtimer_start(&pmu_mmdc->hrtimer, mmdc_pmu_timer_period(), in mmdc_pmu_event_start()
405 hrtimer_cancel(&pmu_mmdc->hrtimer); in mmdc_pmu_event_del()
422 static enum hrtimer_restart mmdc_pmu_timer_handler(struct hrtimer *hrtimer) in mmdc_pmu_timer_handler() argument
424 struct mmdc_pmu *pmu_mmdc = container_of(hrtimer, struct mmdc_pmu, in mmdc_pmu_timer_handler()
425 hrtimer); in mmdc_pmu_timer_handler()
428 hrtimer_forward_now(hrtimer, mmdc_pmu_timer_period()); in mmdc_pmu_timer_handler()
510 hrtimer_init(&pmu_mmdc->hrtimer, CLOCK_MONOTONIC, in imx_mmdc_perf_init()
512 pmu_mmdc->hrtimer.function = mmdc_pmu_timer_handler; in imx_mmdc_perf_init()
529 hrtimer_cancel(&pmu_mmdc->hrtimer); in imx_mmdc_perf_init()
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| /Linux-v5.15/drivers/net/wwan/iosm/ |
| D | iosm_ipc_imem.h | 357 struct hrtimer startup_timer;
359 struct hrtimer tdupdate_timer;
360 struct hrtimer fast_update_timer;
361 struct hrtimer td_alloc_timer;
518 void ipc_imem_hrtimer_stop(struct hrtimer *hr_timer);
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| /Linux-v5.15/drivers/watchdog/ |
| D | softdog.c | 64 static struct hrtimer softdog_ticktock;
65 static struct hrtimer softdog_preticktock;
78 static enum hrtimer_restart softdog_fire(struct hrtimer *timer) in softdog_fire()
126 static enum hrtimer_restart softdog_pretimeout(struct hrtimer *timer) in softdog_pretimeout()
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| D | watchdog_core.h | 48 struct hrtimer timer;
51 struct hrtimer pretimeout_timer;
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| /Linux-v5.15/include/kvm/ |
| D | arm_arch_timer.h | 33 struct hrtimer hrtimer; member
57 struct hrtimer bg_timer;
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| /Linux-v5.15/arch/x86/events/ |
| D | rapl.c | 112 struct hrtimer hrtimer; member
212 hrtimer_start(&pmu->hrtimer, pmu->timer_interval, in rapl_start_hrtimer()
216 static enum hrtimer_restart rapl_hrtimer_handle(struct hrtimer *hrtimer) in rapl_hrtimer_handle() argument
218 struct rapl_pmu *pmu = container_of(hrtimer, struct rapl_pmu, hrtimer); in rapl_hrtimer_handle()
232 hrtimer_forward_now(hrtimer, pmu->timer_interval); in rapl_hrtimer_handle()
239 struct hrtimer *hr = &pmu->hrtimer; in rapl_hrtimer_init()
285 hrtimer_cancel(&pmu->hrtimer); in rapl_pmu_event_stop()
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| /Linux-v5.15/drivers/infiniband/sw/rdmavt/ |
| D | trace_qp.h | 53 __field(void *, hrtimer)
60 __entry->hrtimer = &qp->s_rnr_timer;
68 __entry->hrtimer,
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| /Linux-v5.15/drivers/power/reset/ |
| D | ltc2952-poweroff.c | 62 struct hrtimer timer_trigger;
63 struct hrtimer timer_wde;
95 static enum hrtimer_restart ltc2952_poweroff_timer_wde(struct hrtimer *timer) in ltc2952_poweroff_timer_wde()
119 ltc2952_poweroff_timer_trigger(struct hrtimer *timer) in ltc2952_poweroff_timer_trigger()
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| /Linux-v5.15/sound/core/ |
| D | Makefile | 33 snd-hrtimer-objs := hrtimer.o
44 obj-$(CONFIG_SND_HRTIMER) += snd-hrtimer.o
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| /Linux-v5.15/Documentation/admin-guide/ |
| D | lockup-watchdogs.rst | 36 The soft and hard lockup detectors are built on top of the hrtimer and
41 A periodic hrtimer runs to generate interrupts and kick the watchdog
45 does not receive any hrtimer interrupt during that time the
53 'softlockup detector' (coded inside the hrtimer callback function)
58 The period of the hrtimer is 2*watchdog_thresh/5, which means it has
63 administrators to configure the period of the hrtimer and the perf
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| /Linux-v5.15/drivers/net/ethernet/ |
| D | ec_bhf.c | 129 struct hrtimer hrtimer; member
237 static enum hrtimer_restart ec_bhf_timer_fun(struct hrtimer *timer) in ec_bhf_timer_fun()
240 hrtimer); in ec_bhf_timer_fun()
419 hrtimer_init(&priv->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); in ec_bhf_open()
420 priv->hrtimer.function = ec_bhf_timer_fun; in ec_bhf_open()
421 hrtimer_start(&priv->hrtimer, polling_frequency, HRTIMER_MODE_REL); in ec_bhf_open()
437 hrtimer_cancel(&priv->hrtimer); in ec_bhf_stop()
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| /Linux-v5.15/arch/arm64/kvm/ |
| D | arch_timer.c | 168 static void soft_timer_start(struct hrtimer *hrt, u64 ns) in soft_timer_start()
174 static void soft_timer_cancel(struct hrtimer *hrt) in soft_timer_cancel()
263 static enum hrtimer_restart kvm_bg_timer_expire(struct hrtimer *hrt) in kvm_bg_timer_expire()
287 static enum hrtimer_restart kvm_hrtimer_expire(struct hrtimer *hrt) in kvm_hrtimer_expire()
293 ctx = container_of(hrt, struct arch_timer_context, hrtimer); in kvm_hrtimer_expire()
418 soft_timer_cancel(&ctx->hrtimer); in timer_emulate()
422 soft_timer_start(&ctx->hrtimer, kvm_timer_compute_delta(ctx)); in timer_emulate()
673 soft_timer_cancel(&map.emul_ptimer->hrtimer); in kvm_timer_vcpu_put()
745 soft_timer_cancel(&map.emul_ptimer->hrtimer); in kvm_timer_vcpu_reset()
785 hrtimer_init(&vtimer->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_HARD); in kvm_timer_vcpu_init()
[all …]
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