| /Linux-v4.19/kernel/sched/ |
| D | deadline.c | 258 zerolag_time = dl_se->deadline - in task_non_contending()
469 dl_rq->earliest_dl.next = p->dl.deadline; in enqueue_pushable_dl_task()
489 struct task_struct, pushable_dl_tasks)->dl.deadline; in dequeue_pushable_dl_task()
629 WARN_ON(dl_time_before(rq_clock(rq), dl_se->deadline)); in setup_new_dl_entity()
644 dl_se->deadline = rq_clock(rq) + dl_se->dl_deadline; in setup_new_dl_entity()
679 dl_se->deadline = rq_clock(rq) + pi_se->dl_deadline; in replenish_dl_entity()
693 dl_se->deadline += pi_se->dl_period; in replenish_dl_entity()
706 if (dl_time_before(dl_se->deadline, rq_clock(rq))) { in replenish_dl_entity()
708 dl_se->deadline = rq_clock(rq) + pi_se->dl_deadline; in replenish_dl_entity()
766 right = ((dl_se->deadline - t) >> DL_SCALE) * in dl_entity_overflow()
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| /Linux-v4.19/Documentation/scheduler/ |
| D | sched-deadline.txt | 53 "deadline", to schedule tasks. A SCHED_DEADLINE task should receive
55 these "runtime" microseconds are available within "deadline" microseconds
57 every time the task wakes up, the scheduler computes a "scheduling deadline"
60 earliest scheduling deadline is selected for execution). Notice that the
61 task actually receives "runtime" time units within "deadline" if a proper
68 algorithm selects the task with the earliest scheduling deadline as the one
77 "deadline", and "period" parameters;
79 - The state of the task is described by a "scheduling deadline", and
87 scheduling deadline - current time period
89 then, if the scheduling deadline is smaller than the current time, or
[all …]
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| D | 00-INDEX | 15 sched-deadline.txt
16 - deadline scheduling.
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| D | sched-rt-group.txt | 156 as its prone to starvation without deadline scheduling.
172 full deadline scheduling to the linux kernel. Deadline scheduling the above
173 groups and treating end of the period as a deadline will ensure that they both
178 the limited static priority levels 0-99. With deadline scheduling you need to
179 do deadline inheritance (since priority is inversely proportional to the
180 deadline delta (deadline - now)).
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| /Linux-v4.19/Documentation/block/ |
| D | switching-sched.txt | 1 To choose IO schedulers at boot time, use the argument 'elevator=deadline'.
19 set a specific device to use the deadline or noop schedulers - which
34 noop deadline [cfq]
35 # echo deadline > /sys/block/hda/queue/scheduler
37 noop [deadline] cfq
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| D | deadline-iosched.txt | 4 This little file attempts to document how the deadline io scheduler works.
20 The goal of the deadline io scheduler is to attempt to guarantee a start
23 a deadline that is the current time + the read_expire value in units of
38 deadline expiries are only checked between batches. fifo_batch controls the
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| /Linux-v4.19/drivers/ata/ |
| D | ahci_da850.c | 98 unsigned int *class, unsigned long deadline) in ahci_da850_softreset() argument
111 ret = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready); in ahci_da850_softreset()
114 deadline, ahci_check_ready); in ahci_da850_softreset()
120 unsigned int *class, unsigned long deadline) in ahci_da850_hardreset() argument
134 ret = ahci_do_hardreset(link, class, deadline, &online); in ahci_da850_hardreset()
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| D | ahci_xgene.c | 130 unsigned long deadline; in xgene_ahci_poll_reg_val() local
134 deadline = ata_deadline(jiffies, timeout); in xgene_ahci_poll_reg_val()
136 while (tmp != val && time_before(jiffies, deadline)) { in xgene_ahci_poll_reg_val()
364 unsigned long deadline, bool *online) in xgene_ahci_do_hardreset() argument
383 rc = sata_link_hardreset(link, timing, deadline, online, in xgene_ahci_do_hardreset()
404 unsigned long deadline) in xgene_ahci_hardreset() argument
426 rc = xgene_ahci_do_hardreset(link, deadline, &online); in xgene_ahci_hardreset()
465 unsigned long deadline) in xgene_ahci_pmp_softreset() argument
482 rc = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready); in xgene_ahci_pmp_softreset()
509 unsigned long deadline) in xgene_ahci_softreset() argument
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| D | ahci_dm816.c | 108 unsigned int *class, unsigned long deadline) in ahci_dm816_softreset() argument
121 ret = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready); in ahci_dm816_softreset()
124 deadline, ahci_check_ready); in ahci_dm816_softreset()
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| D | pata_jmicron.c | 41 static int jmicron_pre_reset(struct ata_link *link, unsigned long deadline) in jmicron_pre_reset() argument
104 return ata_sff_prereset(link, deadline); in jmicron_pre_reset()
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| D | pata_marvell.c | 67 static int marvell_pre_reset(struct ata_link *link, unsigned long deadline) in marvell_pre_reset() argument
76 return ata_sff_prereset(link, deadline); in marvell_pre_reset()
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| D | pata_ns87410.c | 39 static int ns87410_pre_reset(struct ata_link *link, unsigned long deadline) in ns87410_pre_reset() argument
51 return ata_sff_prereset(link, deadline); in ns87410_pre_reset()
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| D | pata_opti.c | 53 static int opti_pre_reset(struct ata_link *link, unsigned long deadline) in opti_pre_reset() argument
65 return ata_sff_prereset(link, deadline); in opti_pre_reset()
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| D | pata_samsung_cf.c | 344 unsigned long deadline) in pata_s3c_wait_after_reset() argument
351 rc = ata_sff_wait_ready(link, deadline); in pata_s3c_wait_after_reset()
365 unsigned long deadline) in pata_s3c_bus_softreset() argument
377 return pata_s3c_wait_after_reset(&ap->link, deadline); in pata_s3c_bus_softreset()
384 unsigned long deadline) in pata_s3c_softreset() argument
399 rc = pata_s3c_bus_softreset(ap, deadline); in pata_s3c_softreset()
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| D | pata_triflex.c | 55 static int triflex_prereset(struct ata_link *link, unsigned long deadline) in triflex_prereset() argument
68 return ata_sff_prereset(link, deadline); in triflex_prereset()
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| D | sata_sil24.c | 347 unsigned long deadline);
349 unsigned long deadline);
351 unsigned long deadline);
657 unsigned long deadline) in sil24_softreset() argument
675 if (time_after(deadline, jiffies)) in sil24_softreset()
676 timeout_msec = jiffies_to_msecs(deadline - jiffies); in sil24_softreset()
701 unsigned long deadline) in sil24_hardreset() argument
748 rc = sata_link_debounce(link, sata_deb_timing_long, deadline); in sil24_hardreset()
942 unsigned long deadline) in sil24_pmp_hardreset() argument
952 return sata_std_hardreset(link, class, deadline); in sil24_pmp_hardreset()
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| /Linux-v4.19/block/ |
| D | blk-timeout.c | 110 const unsigned long deadline = blk_rq_deadline(rq); in blk_rq_check_expired() local
112 if (time_after_eq(jiffies, deadline)) { in blk_rq_check_expired()
120 } else if (!*next_set || time_after(*next_timeout, deadline)) { in blk_rq_check_expired()
121 *next_timeout = deadline; in blk_rq_check_expired()
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| D | Kconfig.iosched | 20 The deadline I/O scheduler is simple and compact. It will provide
64 default "deadline" if DEFAULT_DEADLINE
69 tristate "MQ deadline I/O scheduler"
72 MQ version of the deadline IO scheduler.
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| D | Makefile | 22 obj-$(CONFIG_IOSCHED_DEADLINE) += deadline-iosched.o
24 obj-$(CONFIG_MQ_IOSCHED_DEADLINE) += mq-deadline.o
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| /Linux-v4.19/drivers/bcma/ |
| D | driver_chipcommon_b.c | 17 unsigned long deadline = jiffies + timeout; in bcma_wait_reg() local
26 } while (!time_after_eq(jiffies, deadline)); in bcma_wait_reg()
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| D | core.c | 15 unsigned long deadline = jiffies + timeout; in bcma_core_wait_value() local
24 } while (!time_after_eq(jiffies, deadline)); in bcma_core_wait_value()
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| /Linux-v4.19/kernel/locking/ |
| D | rtmutex.c | 231 &(struct rt_mutex_waiter){ .prio = (p)->prio, .deadline = (p)->dl.deadline }
247 return dl_time_before(left->deadline, right->deadline); in rt_mutex_waiter_less()
266 return left->deadline == right->deadline; in rt_mutex_waiter_equal()
683 waiter->deadline = task->dl.deadline; in rt_mutex_adjust_prio_chain()
957 waiter->deadline = task->dl.deadline; in task_blocks_on_rt_mutex()
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| /Linux-v4.19/drivers/platform/chrome/ |
| D | cros_ec_spi.c | 177 unsigned long deadline; in cros_ec_spi_receive_packet() local
183 deadline = jiffies + msecs_to_jiffies(EC_MSG_DEADLINE_MS); in cros_ec_spi_receive_packet()
209 if (time_after(start_jiffies, deadline)) { in cros_ec_spi_receive_packet()
285 unsigned long deadline; in cros_ec_spi_receive_response() local
291 deadline = jiffies + msecs_to_jiffies(EC_MSG_DEADLINE_MS); in cros_ec_spi_receive_response()
317 if (time_after(start_jiffies, deadline)) { in cros_ec_spi_receive_response()
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| /Linux-v4.19/include/linux/ |
| D | libata.h | 545 typedef int (*ata_prereset_fn_t)(struct ata_link *link, unsigned long deadline);
547 unsigned long deadline);
1095 extern int ata_std_prereset(struct ata_link *link, unsigned long deadline);
1096 extern int ata_wait_after_reset(struct ata_link *link, unsigned long deadline,
1099 const unsigned long *params, unsigned long deadline);
1101 unsigned long deadline);
1105 const unsigned long *timing, unsigned long deadline,
1108 unsigned long deadline);
1853 extern int ata_sff_wait_ready(struct ata_link *link, unsigned long deadline);
1878 extern int ata_sff_prereset(struct ata_link *link, unsigned long deadline);
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| /Linux-v4.19/drivers/soc/imx/ |
| D | gpcv2.c | 82 unsigned long deadline; in imx7_gpc_pu_pgc_sw_pxx_req() local
107 deadline = jiffies + msecs_to_jiffies(1); in imx7_gpc_pu_pgc_sw_pxx_req()
116 if (time_after(jiffies, deadline)) { in imx7_gpc_pu_pgc_sw_pxx_req()
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