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/linux/include/linux/
A Dhrtimer.h118 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;
421 extern int hrtimer_cancel(struct hrtimer *timer);
422 extern int hrtimer_try_to_cancel(struct hrtimer *timer);
438 static inline void hrtimer_restart(struct hrtimer *timer) in hrtimer_restart()
458 extern bool hrtimer_active(const struct hrtimer *timer);
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A Dserial_8250.h80 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 */
/linux/include/trace/events/
A Dtimer.h169 TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid,
181 __entry->hrtimer = hrtimer;
197 TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode),
210 __entry->hrtimer = hrtimer;
234 TP_PROTO(struct hrtimer *hrtimer, ktime_t *now),
245 __entry->hrtimer = hrtimer;
257 TP_PROTO(struct hrtimer *hrtimer),
266 __entry->hrtimer = hrtimer;
281 TP_PROTO(struct hrtimer *hrtimer),
283 TP_ARGS(hrtimer)
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/linux/Documentation/translations/zh_CN/iio/
A Diio_configfs.rst86 * 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。
/linux/kernel/time/
A Dhrtimer.c349 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()
503 const struct hrtimer *exclude, in __hrtimer_next_event_base()
512 struct hrtimer *timer; in __hrtimer_next_event_base()
572 struct hrtimer *next_timer = NULL; in __hrtimer_get_next_event()
656 struct hrtimer *next_timer, in __hrtimer_reprogram()
1438 int hrtimer_cancel(struct hrtimer *timer) in hrtimer_cancel()
1644 struct hrtimer *timer, ktime_t *now, in __run_hrtimer()
1730 struct hrtimer *timer; in __hrtimer_run_queues()
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A Dbuilt-in.a5 hrtimer.o/
21 tick-broadcast-hrtimer.o/
A Dtick-broadcast-hrtimer.c18 static struct hrtimer bctimer;
99 static enum hrtimer_restart bc_handler(struct hrtimer *t) in bc_handler()
/linux/drivers/hwtracing/stm/
A Dheartbeat.c26 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()
/linux/arch/powerpc/kernel/
A Dwatchdog.c83 static DEFINE_PER_CPU(struct hrtimer, wd_hrtimer);
300 static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) in watchdog_timer_fn() argument
312 hrtimer_forward_now(hrtimer, ms_to_ktime(wd_timer_period_ms)); in watchdog_timer_fn()
332 struct hrtimer *hrtimer = this_cpu_ptr(&wd_hrtimer); in start_watchdog() local
357 hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); in start_watchdog()
358 hrtimer->function = watchdog_timer_fn; in start_watchdog()
359 hrtimer_start(hrtimer, ms_to_ktime(wd_timer_period_ms), in start_watchdog()
370 struct hrtimer *hrtimer = this_cpu_ptr(&wd_hrtimer); in stop_watchdog() local
377 hrtimer_cancel(hrtimer); in stop_watchdog()
/linux/Documentation/iio/
A Diio_configfs.rst82 * 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.
/linux/kernel/
A Dwatchdog.c180 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()
/linux/Documentation/translations/zh_CN/admin-guide/
A Dlockup-watchdogs.rst34 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
/linux/sound/sh/
A Dsh_dac_audio.c41 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()
/linux/arch/arm/mach-imx/
A Dmmdc.c100 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()
/linux/drivers/net/wwan/iosm/
A Diosm_ipc_imem.h357 struct hrtimer startup_timer;
359 struct hrtimer tdupdate_timer;
360 struct hrtimer fast_update_timer;
361 struct hrtimer td_alloc_timer;
517 void ipc_imem_hrtimer_stop(struct hrtimer *hr_timer);
/linux/drivers/watchdog/
A Dsoftdog.c64 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()
A Dwatchdog_core.h48 struct hrtimer timer;
51 struct hrtimer pretimeout_timer;
/linux/arch/x86/events/
A Drapl.c112 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()
/linux/include/kvm/
A Darm_arch_timer.h33 struct hrtimer hrtimer; member
57 struct hrtimer bg_timer;
/linux/Documentation/admin-guide/
A Dlockup-watchdogs.rst36 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
/linux/drivers/power/reset/
A Dltc2952-poweroff.c62 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()
117 ltc2952_poweroff_timer_trigger(struct hrtimer *timer) in ltc2952_poweroff_timer_trigger()
/linux/drivers/infiniband/sw/rdmavt/
A Dtrace_qp.h53 __field(void *, hrtimer)
60 __entry->hrtimer = &qp->s_rnr_timer;
68 __entry->hrtimer,
/linux/sound/core/
A DMakefile35 snd-hrtimer-objs := hrtimer.o
46 obj-$(CONFIG_SND_HRTIMER) += snd-hrtimer.o
/linux/drivers/net/ethernet/
A Dec_bhf.c129 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()
/linux/arch/arm64/kvm/
A Darch_timer.c168 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()
787 vtimer->hrtimer.function = kvm_hrtimer_expire; in kvm_timer_vcpu_init()
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