Blame view
include/linux/hrtimer.h
13.2 KB
c0a313296 [PATCH] hrtimer: ... |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 |
/* * include/linux/hrtimer.h * * hrtimers - High-resolution kernel timers * * Copyright(C) 2005, Thomas Gleixner <tglx@linutronix.de> * Copyright(C) 2005, Red Hat, Inc., Ingo Molnar * * data type definitions, declarations, prototypes * * Started by: Thomas Gleixner and Ingo Molnar * * For licencing details see kernel-base/COPYING */ #ifndef _LINUX_HRTIMER_H #define _LINUX_HRTIMER_H #include <linux/rbtree.h> #include <linux/ktime.h> #include <linux/init.h> #include <linux/list.h> #include <linux/wait.h> |
40b860625 DECLARE_PER_CPU n... |
23 |
#include <linux/percpu.h> |
507e12315 timer stats: Opti... |
24 |
#include <linux/timer.h> |
998adc3dd hrtimers: Convert... |
25 |
#include <linux/timerqueue.h> |
c0a313296 [PATCH] hrtimer: ... |
26 |
|
3c8aa39d7 [PATCH] hrtimers:... |
27 28 |
struct hrtimer_clock_base; struct hrtimer_cpu_base; |
c0a313296 [PATCH] hrtimer: ... |
29 30 31 32 |
/* * Mode arguments of xxx_hrtimer functions: */ enum hrtimer_mode { |
597d02757 timers: Framework... |
33 34 35 36 37 |
HRTIMER_MODE_ABS = 0x0, /* Time value is absolute */ HRTIMER_MODE_REL = 0x1, /* Time value is relative to now */ HRTIMER_MODE_PINNED = 0x02, /* Timer is bound to CPU */ HRTIMER_MODE_ABS_PINNED = 0x02, HRTIMER_MODE_REL_PINNED = 0x03, |
c0a313296 [PATCH] hrtimer: ... |
38 |
}; |
c9cb2e3d7 [PATCH] hrtimers:... |
39 40 41 |
/* * Return values for the callback function */ |
c0a313296 [PATCH] hrtimer: ... |
42 |
enum hrtimer_restart { |
c9cb2e3d7 [PATCH] hrtimers:... |
43 44 |
HRTIMER_NORESTART, /* Timer is not restarted */ HRTIMER_RESTART, /* Timer must be restarted */ |
c0a313296 [PATCH] hrtimer: ... |
45 |
}; |
303e967ff [PATCH] hrtimers;... |
46 |
/* |
54cdfdb47 [PATCH] hrtimers:... |
47 |
* Values to track state of the timer |
303e967ff [PATCH] hrtimers;... |
48 49 50 51 52 53 |
* * Possible states: * * 0x00 inactive * 0x01 enqueued into rbtree * 0x02 callback function running |
53370d2e8 hrtimer: Update h... |
54 |
* 0x04 timer is migrated to another cpu |
54cdfdb47 [PATCH] hrtimers:... |
55 |
* |
b00c1a99e hrtimer: mark mig... |
56 |
* Special cases: |
303e967ff [PATCH] hrtimers;... |
57 58 |
* 0x03 callback function running and enqueued * (was requeued on another CPU) |
53370d2e8 hrtimer: Update h... |
59 60 |
* 0x05 timer was migrated on CPU hotunplug * |
303e967ff [PATCH] hrtimers;... |
61 62 63 64 65 66 67 68 |
* The "callback function running and enqueued" status is only possible on * SMP. It happens for example when a posix timer expired and the callback * queued a signal. Between dropping the lock which protects the posix timer * and reacquiring the base lock of the hrtimer, another CPU can deliver the * signal and rearm the timer. We have to preserve the callback running state, * as otherwise the timer could be removed before the softirq code finishes the * the handling of the timer. * |
53370d2e8 hrtimer: Update h... |
69 70 71 72 73 |
* The HRTIMER_STATE_ENQUEUED bit is always or'ed to the current state * to preserve the HRTIMER_STATE_CALLBACK in the above scenario. This * also affects HRTIMER_STATE_MIGRATE where the preservation is not * necessary. HRTIMER_STATE_MIGRATE is cleared after the timer is * enqueued on the new cpu. |
303e967ff [PATCH] hrtimers;... |
74 75 76 77 78 79 |
* * All state transitions are protected by cpu_base->lock. */ #define HRTIMER_STATE_INACTIVE 0x00 #define HRTIMER_STATE_ENQUEUED 0x01 #define HRTIMER_STATE_CALLBACK 0x02 |
ca109491f hrtimer: removing... |
80 |
#define HRTIMER_STATE_MIGRATE 0x04 |
303e967ff [PATCH] hrtimers;... |
81 |
|
c0a313296 [PATCH] hrtimer: ... |
82 83 |
/** * struct hrtimer - the basic hrtimer structure |
998adc3dd hrtimers: Convert... |
84 85 |
* @node: timerqueue node, which also manages node.expires, * the absolute expiry time in the hrtimers internal |
c0a313296 [PATCH] hrtimer: ... |
86 |
* representation. The time is related to the clock on |
592aa999d hrtimers: add mis... |
87 88 89 90 91 92 |
* which the timer is based. Is setup by adding * slack to the _softexpires value. For non range timers * identical to _softexpires. * @_softexpires: the absolute earliest expiry time of the hrtimer. * The time which was given as expiry time when the timer * was armed. |
c0a313296 [PATCH] hrtimer: ... |
93 |
* @function: timer expiry callback function |
c0a313296 [PATCH] hrtimer: ... |
94 |
* @base: pointer to the timer base (per cpu and per clock) |
303e967ff [PATCH] hrtimers;... |
95 |
* @state: state information (See bit values above) |
54cdfdb47 [PATCH] hrtimers:... |
96 97 98 99 100 101 |
* @start_site: timer statistics field to store the site where the timer * was started * @start_comm: timer statistics field to store the name of the process which * started the timer * @start_pid: timer statistics field to store the pid of the task which * started the timer |
c0a313296 [PATCH] hrtimer: ... |
102 |
* |
54cdfdb47 [PATCH] hrtimers:... |
103 |
* The hrtimer structure must be initialized by hrtimer_init() |
c0a313296 [PATCH] hrtimer: ... |
104 105 |
*/ struct hrtimer { |
998adc3dd hrtimers: Convert... |
106 |
struct timerqueue_node node; |
654c8e0b1 hrtimer: turn hrt... |
107 |
ktime_t _softexpires; |
3c8aa39d7 [PATCH] hrtimers:... |
108 109 |
enum hrtimer_restart (*function)(struct hrtimer *); struct hrtimer_clock_base *base; |
303e967ff [PATCH] hrtimers;... |
110 |
unsigned long state; |
82f67cd9f [PATCH] Add debug... |
111 |
#ifdef CONFIG_TIMER_STATS |
1b0246908 hrtimer: reorder ... |
112 |
int start_pid; |
82f67cd9f [PATCH] Add debug... |
113 114 |
void *start_site; char start_comm[16]; |
82f67cd9f [PATCH] Add debug... |
115 |
#endif |
c0a313296 [PATCH] hrtimer: ... |
116 117 118 |
}; /** |
00362e33f [PATCH] hrtimer: ... |
119 |
* struct hrtimer_sleeper - simple sleeper structure |
00362e33f [PATCH] hrtimer: ... |
120 121 122 123 124 125 126 127 128 129 130 |
* @timer: embedded timer structure * @task: task to wake up * * task is set to NULL, when the timer expires. */ struct hrtimer_sleeper { struct hrtimer timer; struct task_struct *task; }; /** |
d1d67174b [PATCH] hrtimers:... |
131 |
* struct hrtimer_clock_base - the timer base for a specific clock |
05fb6bf0b [PATCH] kernel-do... |
132 |
* @cpu_base: per cpu clock base |
3c8aa39d7 [PATCH] hrtimers:... |
133 134 |
* @index: clock type index for per_cpu support when moving a * timer to a base on another cpu. |
92127c7a4 [PATCH] hrtimers:... |
135 |
* @active: red black tree root node for the active timers |
92127c7a4 [PATCH] hrtimers:... |
136 137 |
* @resolution: the resolution of the clock, in nanoseconds * @get_time: function to retrieve the current time of the clock |
92127c7a4 [PATCH] hrtimers:... |
138 |
* @softirq_time: the time when running the hrtimer queue in the softirq |
54cdfdb47 [PATCH] hrtimers:... |
139 |
* @offset: offset of this clock to the monotonic base |
c0a313296 [PATCH] hrtimer: ... |
140 |
*/ |
3c8aa39d7 [PATCH] hrtimers:... |
141 142 |
struct hrtimer_clock_base { struct hrtimer_cpu_base *cpu_base; |
c0a313296 [PATCH] hrtimer: ... |
143 |
clockid_t index; |
998adc3dd hrtimers: Convert... |
144 |
struct timerqueue_head active; |
e2787630c [hrtimer] Change ... |
145 |
ktime_t resolution; |
c0a313296 [PATCH] hrtimer: ... |
146 |
ktime_t (*get_time)(void); |
92127c7a4 [PATCH] hrtimers:... |
147 |
ktime_t softirq_time; |
54cdfdb47 [PATCH] hrtimers:... |
148 149 |
#ifdef CONFIG_HIGH_RES_TIMERS ktime_t offset; |
54cdfdb47 [PATCH] hrtimers:... |
150 |
#endif |
3c8aa39d7 [PATCH] hrtimers:... |
151 |
}; |
e06383db9 hrtimers: extend ... |
152 153 154 |
enum hrtimer_base_type { HRTIMER_BASE_REALTIME, HRTIMER_BASE_MONOTONIC, |
70a08cca1 timers: Add CLOCK... |
155 |
HRTIMER_BASE_BOOTTIME, |
e06383db9 hrtimers: extend ... |
156 157 |
HRTIMER_MAX_CLOCK_BASES, }; |
3c8aa39d7 [PATCH] hrtimers:... |
158 159 160 161 162 |
/* * struct hrtimer_cpu_base - the per cpu clock bases * @lock: lock protecting the base and associated clock bases * and timers |
3c8aa39d7 [PATCH] hrtimers:... |
163 |
* @clock_base: array of clock bases for this cpu |
54cdfdb47 [PATCH] hrtimers:... |
164 165 166 |
* @expires_next: absolute time of the next event which was scheduled * via clock_set_next_event() * @hres_active: State of high resolution mode |
41d2e4949 hrtimer: Tune hrt... |
167 168 169 170 171 |
* @hang_detected: The last hrtimer interrupt detected a hang * @nr_events: Total number of hrtimer interrupt events * @nr_retries: Total number of hrtimer interrupt retries * @nr_hangs: Total number of hrtimer interrupt hangs * @max_hang_time: Maximum time spent in hrtimer_interrupt |
3c8aa39d7 [PATCH] hrtimers:... |
172 173 |
*/ struct hrtimer_cpu_base { |
ecb49d1a6 hrtimers: Convert... |
174 |
raw_spinlock_t lock; |
3c8aa39d7 [PATCH] hrtimers:... |
175 |
struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; |
54cdfdb47 [PATCH] hrtimers:... |
176 177 178 |
#ifdef CONFIG_HIGH_RES_TIMERS ktime_t expires_next; int hres_active; |
41d2e4949 hrtimer: Tune hrt... |
179 |
int hang_detected; |
54cdfdb47 [PATCH] hrtimers:... |
180 |
unsigned long nr_events; |
41d2e4949 hrtimer: Tune hrt... |
181 182 183 |
unsigned long nr_retries; unsigned long nr_hangs; ktime_t max_hang_time; |
54cdfdb47 [PATCH] hrtimers:... |
184 |
#endif |
c0a313296 [PATCH] hrtimer: ... |
185 |
}; |
63ca243b2 hrtimer: add abst... |
186 187 |
static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time) { |
998adc3dd hrtimers: Convert... |
188 |
timer->node.expires = time; |
654c8e0b1 hrtimer: turn hrt... |
189 |
timer->_softexpires = time; |
63ca243b2 hrtimer: add abst... |
190 |
} |
654c8e0b1 hrtimer: turn hrt... |
191 192 193 194 |
static inline void hrtimer_set_expires_range(struct hrtimer *timer, ktime_t time, ktime_t delta) { timer->_softexpires = time; |
998adc3dd hrtimers: Convert... |
195 |
timer->node.expires = ktime_add_safe(time, delta); |
654c8e0b1 hrtimer: turn hrt... |
196 197 198 199 200 |
} static inline void hrtimer_set_expires_range_ns(struct hrtimer *timer, ktime_t time, unsigned long delta) { timer->_softexpires = time; |
998adc3dd hrtimers: Convert... |
201 |
timer->node.expires = ktime_add_safe(time, ns_to_ktime(delta)); |
654c8e0b1 hrtimer: turn hrt... |
202 |
} |
63ca243b2 hrtimer: add abst... |
203 204 |
static inline void hrtimer_set_expires_tv64(struct hrtimer *timer, s64 tv64) { |
998adc3dd hrtimers: Convert... |
205 |
timer->node.expires.tv64 = tv64; |
654c8e0b1 hrtimer: turn hrt... |
206 |
timer->_softexpires.tv64 = tv64; |
63ca243b2 hrtimer: add abst... |
207 208 209 210 |
} static inline void hrtimer_add_expires(struct hrtimer *timer, ktime_t time) { |
998adc3dd hrtimers: Convert... |
211 |
timer->node.expires = ktime_add_safe(timer->node.expires, time); |
654c8e0b1 hrtimer: turn hrt... |
212 |
timer->_softexpires = ktime_add_safe(timer->_softexpires, time); |
63ca243b2 hrtimer: add abst... |
213 |
} |
7597bc94d Fix accidental im... |
214 |
static inline void hrtimer_add_expires_ns(struct hrtimer *timer, u64 ns) |
63ca243b2 hrtimer: add abst... |
215 |
{ |
998adc3dd hrtimers: Convert... |
216 |
timer->node.expires = ktime_add_ns(timer->node.expires, ns); |
654c8e0b1 hrtimer: turn hrt... |
217 |
timer->_softexpires = ktime_add_ns(timer->_softexpires, ns); |
63ca243b2 hrtimer: add abst... |
218 219 220 221 |
} static inline ktime_t hrtimer_get_expires(const struct hrtimer *timer) { |
998adc3dd hrtimers: Convert... |
222 |
return timer->node.expires; |
63ca243b2 hrtimer: add abst... |
223 |
} |
654c8e0b1 hrtimer: turn hrt... |
224 225 226 227 |
static inline ktime_t hrtimer_get_softexpires(const struct hrtimer *timer) { return timer->_softexpires; } |
63ca243b2 hrtimer: add abst... |
228 229 |
static inline s64 hrtimer_get_expires_tv64(const struct hrtimer *timer) { |
998adc3dd hrtimers: Convert... |
230 |
return timer->node.expires.tv64; |
63ca243b2 hrtimer: add abst... |
231 |
} |
654c8e0b1 hrtimer: turn hrt... |
232 233 234 235 |
static inline s64 hrtimer_get_softexpires_tv64(const struct hrtimer *timer) { return timer->_softexpires.tv64; } |
63ca243b2 hrtimer: add abst... |
236 237 238 |
static inline s64 hrtimer_get_expires_ns(const struct hrtimer *timer) { |
998adc3dd hrtimers: Convert... |
239 |
return ktime_to_ns(timer->node.expires); |
63ca243b2 hrtimer: add abst... |
240 241 242 243 |
} static inline ktime_t hrtimer_expires_remaining(const struct hrtimer *timer) { |
998adc3dd hrtimers: Convert... |
244 |
return ktime_sub(timer->node.expires, timer->base->get_time()); |
63ca243b2 hrtimer: add abst... |
245 |
} |
54cdfdb47 [PATCH] hrtimers:... |
246 247 248 249 |
#ifdef CONFIG_HIGH_RES_TIMERS struct clock_event_device; extern void clock_was_set(void); |
995f054f2 [PATCH] high-res ... |
250 |
extern void hres_timers_resume(void); |
54cdfdb47 [PATCH] hrtimers:... |
251 252 253 254 255 256 257 258 259 |
extern void hrtimer_interrupt(struct clock_event_device *dev); /* * In high resolution mode the time reference must be read accurate */ static inline ktime_t hrtimer_cb_get_time(struct hrtimer *timer) { return timer->base->get_time(); } |
8f4d37ec0 sched: high-res p... |
260 261 262 263 |
static inline int hrtimer_is_hres_active(struct hrtimer *timer) { return timer->base->cpu_base->hres_active; } |
2075eb8d9 rangetimer: fix x... |
264 |
extern void hrtimer_peek_ahead_timers(void); |
54cdfdb47 [PATCH] hrtimers:... |
265 266 267 268 269 270 |
/* * The resolution of the clocks. The resolution value is returned in * the clock_getres() system call to give application programmers an * idea of the (in)accuracy of timers. Timer values are rounded up to * this resolution values. */ |
151db1fc2 Fix compilation o... |
271 272 273 |
# define HIGH_RES_NSEC 1 # define KTIME_HIGH_RES (ktime_t) { .tv64 = HIGH_RES_NSEC } # define MONOTONIC_RES_NSEC HIGH_RES_NSEC |
54cdfdb47 [PATCH] hrtimers:... |
274 275 276 |
# define KTIME_MONOTONIC_RES KTIME_HIGH_RES #else |
151db1fc2 Fix compilation o... |
277 |
# define MONOTONIC_RES_NSEC LOW_RES_NSEC |
54cdfdb47 [PATCH] hrtimers:... |
278 |
# define KTIME_MONOTONIC_RES KTIME_LOW_RES |
becf8b5d0 [PATCH] hrtimer: ... |
279 280 281 282 283 |
/* * clock_was_set() is a NOP for non- high-resolution systems. The * time-sorted order guarantees that a timer does not expire early and * is expired in the next softirq when the clock was advanced. */ |
54cdfdb47 [PATCH] hrtimers:... |
284 |
static inline void clock_was_set(void) { } |
2075eb8d9 rangetimer: fix x... |
285 |
static inline void hrtimer_peek_ahead_timers(void) { } |
54cdfdb47 [PATCH] hrtimers:... |
286 |
|
995f054f2 [PATCH] high-res ... |
287 |
static inline void hres_timers_resume(void) { } |
54cdfdb47 [PATCH] hrtimers:... |
288 289 290 291 292 293 294 295 |
/* * In non high resolution mode the time reference is taken from * the base softirq time variable. */ static inline ktime_t hrtimer_cb_get_time(struct hrtimer *timer) { return timer->base->softirq_time; } |
8f4d37ec0 sched: high-res p... |
296 297 298 299 |
static inline int hrtimer_is_hres_active(struct hrtimer *timer) { return 0; } |
54cdfdb47 [PATCH] hrtimers:... |
300 |
#endif |
d316c57ff [PATCH] clockeven... |
301 302 |
extern ktime_t ktime_get(void); extern ktime_t ktime_get_real(void); |
abb3a4ea2 time: Introduce g... |
303 |
extern ktime_t ktime_get_boottime(void); |
becf8b5d0 [PATCH] hrtimer: ... |
304 |
|
2e94d1f71 hrtimer: peek at ... |
305 306 |
DECLARE_PER_CPU(struct tick_device, tick_cpu_device); |
2e94d1f71 hrtimer: peek at ... |
307 |
|
c0a313296 [PATCH] hrtimer: ... |
308 309 310 |
/* Exported timer functions: */ /* Initialize timers: */ |
7978672c4 [PATCH] hrtimers:... |
311 312 |
extern void hrtimer_init(struct hrtimer *timer, clockid_t which_clock, enum hrtimer_mode mode); |
c0a313296 [PATCH] hrtimer: ... |
313 |
|
237fc6e7a add hrtimer speci... |
314 315 316 317 318 319 320 321 322 323 324 325 326 327 |
#ifdef CONFIG_DEBUG_OBJECTS_TIMERS extern void hrtimer_init_on_stack(struct hrtimer *timer, clockid_t which_clock, enum hrtimer_mode mode); extern void destroy_hrtimer_on_stack(struct hrtimer *timer); #else static inline void hrtimer_init_on_stack(struct hrtimer *timer, clockid_t which_clock, enum hrtimer_mode mode) { hrtimer_init(timer, which_clock, mode); } static inline void destroy_hrtimer_on_stack(struct hrtimer *timer) { } #endif |
c0a313296 [PATCH] hrtimer: ... |
328 329 330 |
/* Basic timer operations: */ extern int hrtimer_start(struct hrtimer *timer, ktime_t tim, const enum hrtimer_mode mode); |
da8f2e170 hrtimer: add a hr... |
331 332 |
extern int hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim, unsigned long range_ns, const enum hrtimer_mode mode); |
7f1e2ca9f hrtimer: fix rq->... |
333 334 335 336 |
extern int __hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim, unsigned long delta_ns, const enum hrtimer_mode mode, int wakeup); |
c0a313296 [PATCH] hrtimer: ... |
337 338 |
extern int hrtimer_cancel(struct hrtimer *timer); extern int hrtimer_try_to_cancel(struct hrtimer *timer); |
63ca243b2 hrtimer: add abst... |
339 340 341 |
static inline int hrtimer_start_expires(struct hrtimer *timer, enum hrtimer_mode mode) { |
da8f2e170 hrtimer: add a hr... |
342 343 344 345 346 |
unsigned long delta; ktime_t soft, hard; soft = hrtimer_get_softexpires(timer); hard = hrtimer_get_expires(timer); delta = ktime_to_ns(ktime_sub(hard, soft)); |
4ce105d30 hrtimer: incorpor... |
347 |
return hrtimer_start_range_ns(timer, soft, delta, mode); |
63ca243b2 hrtimer: add abst... |
348 |
} |
c9cb2e3d7 [PATCH] hrtimers:... |
349 350 |
static inline int hrtimer_restart(struct hrtimer *timer) { |
654c8e0b1 hrtimer: turn hrt... |
351 |
return hrtimer_start_expires(timer, HRTIMER_MODE_ABS); |
c9cb2e3d7 [PATCH] hrtimers:... |
352 |
} |
c0a313296 [PATCH] hrtimer: ... |
353 354 355 356 |
/* Query timers: */ extern ktime_t hrtimer_get_remaining(const struct hrtimer *timer); extern int hrtimer_get_res(const clockid_t which_clock, struct timespec *tp); |
69239749e [PATCH] fix next_... |
357 |
extern ktime_t hrtimer_get_next_event(void); |
69239749e [PATCH] fix next_... |
358 |
|
303e967ff [PATCH] hrtimers;... |
359 |
/* |
53370d2e8 hrtimer: Update h... |
360 361 362 |
* A timer is active, when it is enqueued into the rbtree or the * callback function is running or it's in the state of being migrated * to another cpu. |
303e967ff [PATCH] hrtimers;... |
363 |
*/ |
c0a313296 [PATCH] hrtimer: ... |
364 365 |
static inline int hrtimer_active(const struct hrtimer *timer) { |
303e967ff [PATCH] hrtimers;... |
366 |
return timer->state != HRTIMER_STATE_INACTIVE; |
c0a313296 [PATCH] hrtimer: ... |
367 |
} |
54cdfdb47 [PATCH] hrtimers:... |
368 369 370 371 372 |
/* * Helper function to check, whether the timer is on one of the queues */ static inline int hrtimer_is_queued(struct hrtimer *timer) { |
ca109491f hrtimer: removing... |
373 |
return timer->state & HRTIMER_STATE_ENQUEUED; |
54cdfdb47 [PATCH] hrtimers:... |
374 |
} |
4346f6542 hrtimer: remove d... |
375 376 377 378 379 380 381 382 |
/* * Helper function to check, whether the timer is running the callback * function */ static inline int hrtimer_callback_running(struct hrtimer *timer) { return timer->state & HRTIMER_STATE_CALLBACK; } |
c0a313296 [PATCH] hrtimer: ... |
383 |
/* Forward a hrtimer so it expires after now: */ |
4d672e7ac timerfd: new time... |
384 |
extern u64 |
44f214755 [PATCH] hrtimers:... |
385 |
hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval); |
c0a313296 [PATCH] hrtimer: ... |
386 |
|
5e05ad7d4 timerfd: introduc... |
387 |
/* Forward a hrtimer so it expires after the hrtimer's current now */ |
4d672e7ac timerfd: new time... |
388 389 |
static inline u64 hrtimer_forward_now(struct hrtimer *timer, ktime_t interval) |
5e05ad7d4 timerfd: introduc... |
390 391 392 |
{ return hrtimer_forward(timer, timer->base->get_time(), interval); } |
10c94ec16 [PATCH] hrtimer: ... |
393 394 |
/* Precise sleep: */ extern long hrtimer_nanosleep(struct timespec *rqtp, |
080344b98 hrtimer: fix *rmt... |
395 |
struct timespec __user *rmtp, |
10c94ec16 [PATCH] hrtimer: ... |
396 397 |
const enum hrtimer_mode mode, const clockid_t clockid); |
1711ef386 [PATCH] posix-tim... |
398 |
extern long hrtimer_nanosleep_restart(struct restart_block *restart_block); |
10c94ec16 [PATCH] hrtimer: ... |
399 |
|
00362e33f [PATCH] hrtimer: ... |
400 401 |
extern void hrtimer_init_sleeper(struct hrtimer_sleeper *sl, struct task_struct *tsk); |
654c8e0b1 hrtimer: turn hrt... |
402 403 |
extern int schedule_hrtimeout_range(ktime_t *expires, unsigned long delta, const enum hrtimer_mode mode); |
351b3f7a2 hrtimers: Provide... |
404 405 |
extern int schedule_hrtimeout_range_clock(ktime_t *expires, unsigned long delta, const enum hrtimer_mode mode, int clock); |
7bb67439b select: Introduce... |
406 |
extern int schedule_hrtimeout(ktime_t *expires, const enum hrtimer_mode mode); |
c0a313296 [PATCH] hrtimer: ... |
407 408 |
/* Soft interrupt function to run the hrtimer queues: */ extern void hrtimer_run_queues(void); |
d3d74453c hrtimer: fixup th... |
409 |
extern void hrtimer_run_pending(void); |
c0a313296 [PATCH] hrtimer: ... |
410 411 412 |
/* Bootup initialization: */ extern void __init hrtimers_init(void); |
79bf2bb33 [PATCH] tick-mana... |
413 |
#if BITS_PER_LONG < 64 |
4d672e7ac timerfd: new time... |
414 |
extern u64 ktime_divns(const ktime_t kt, s64 div); |
79bf2bb33 [PATCH] tick-mana... |
415 |
#else /* BITS_PER_LONG < 64 */ |
4d672e7ac timerfd: new time... |
416 |
# define ktime_divns(kt, div) (u64)((kt).tv64 / (div)) |
79bf2bb33 [PATCH] tick-mana... |
417 |
#endif |
88ad0bf68 [PATCH] Add SysRq... |
418 419 |
/* Show pending timers: */ extern void sysrq_timer_list_show(void); |
c0a313296 [PATCH] hrtimer: ... |
420 |
#endif |