| /linux-5.10/kernel/sched/ |
| D | deadline.c | 3 * Deadline Scheduling Class (SCHED_DEADLINE)
5 * Earliest Deadline First (EDF) + Constant Bandwidth Server (CBS).
257 * A flag in the deadline scheduling entity (dl_non_contending)
307 * If this is a non-deadline task that has been boosted, in task_non_contending()
318 zerolag_time = dl_se->deadline - in task_non_contending()
359 * If this is a non-deadline task that has been boosted, in task_contending()
424 /* zero means no -deadline tasks */ in init_dl_rq()
505 * The list of pushable -deadline task is not a plist, like in
506 * sched_rt.c, it is an rb-tree with tasks ordered by deadline.
531 dl_rq->earliest_dl.next = p->dl.deadline; in enqueue_pushable_dl_task()
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| /linux-5.10/Documentation/scheduler/ |
| D | sched-deadline.rst | 2 Deadline Task Scheduling
41 basically an implementation of the Earliest Deadline First (EDF) scheduling
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
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| D | sched-rt-group.rst | 156 as its prone to starvation without deadline scheduling.
173 The next project will be SCHED_EDF (Earliest Deadline First scheduling) to bring
174 full deadline scheduling to the linux kernel. Deadline scheduling the above
175 groups and treating end of the period as a deadline will ensure that they both
180 the limited static priority levels 0-99. With deadline scheduling you need to
181 do deadline inheritance (since priority is inversely proportional to the
182 deadline delta (deadline - now)).
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| /linux-5.10/Documentation/block/ |
| D | deadline-iosched.rst | 2 Deadline IO scheduler tunables
5 This little file attempts to document how the deadline io scheduler works.
19 The goal of the deadline io scheduler is to attempt to guarantee a start
22 a deadline that is the current time + the read_expire value in units of
37 deadline expiries are only checked between batches. fifo_batch controls the
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| D | switching-sched.rst | 17 the fly to select one of mq-deadline, none, bfq, or kyber schedulers -
32 [mq-deadline] kyber bfq none
35 [none] mq-deadline kyber bfq
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| /linux-5.10/drivers/ata/ |
| D | ahci_xgene.c | 117 unsigned long deadline; in xgene_ahci_poll_reg_val() local
121 deadline = ata_deadline(jiffies, timeout); in xgene_ahci_poll_reg_val()
123 while (tmp != val && time_before(jiffies, deadline)) { in xgene_ahci_poll_reg_val()
306 * @deadline: deadline jiffies for the operation
351 unsigned long deadline, bool *online) in xgene_ahci_do_hardreset() argument
370 rc = sata_link_hardreset(link, timing, deadline, online, in xgene_ahci_do_hardreset()
391 unsigned long deadline) in xgene_ahci_hardreset() argument
413 rc = xgene_ahci_do_hardreset(link, deadline, &online); in xgene_ahci_hardreset()
442 * @deadline: deadline jiffies for the operation
452 unsigned long deadline) in xgene_ahci_pmp_softreset() argument
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| D | libata-sata.c | 215 * @deadline: deadline jiffies for the operation
224 * @timeout is further limited by @deadline. The sooner of the
234 unsigned long deadline) in sata_link_debounce() argument
243 if (time_before(t, deadline)) in sata_link_debounce()
244 deadline = t; in sata_link_debounce()
261 if (cur == 1 && time_before(jiffies, deadline)) in sata_link_debounce()
273 /* Check deadline. If debouncing failed, return in sata_link_debounce()
276 if (time_after(jiffies, deadline)) in sata_link_debounce()
286 * @deadline: deadline jiffies for the operation
297 unsigned long deadline) in sata_link_resume() argument
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| D | ahci_da850.c | 94 unsigned int *class, unsigned long deadline) in ahci_da850_softreset() argument
107 ret = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready); in ahci_da850_softreset()
110 deadline, ahci_check_ready); in ahci_da850_softreset()
116 unsigned int *class, unsigned long deadline) in ahci_da850_hardreset() argument
130 ret = ahci_do_hardreset(link, class, deadline, &online); in ahci_da850_hardreset()
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| D | pata_marvell.c | 63 * @deadline: deadline jiffies for the operation
68 static int marvell_pre_reset(struct ata_link *link, unsigned long deadline) in marvell_pre_reset() argument
77 return ata_sff_prereset(link, deadline); in marvell_pre_reset()
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| D | pata_ns87410.c | 21 * @deadline: deadline jiffies for the operation
26 static int ns87410_pre_reset(struct ata_link *link, unsigned long deadline) in ns87410_pre_reset() argument
38 return ata_sff_prereset(link, deadline); in ns87410_pre_reset()
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| D | pata_jmicron.c | 33 * @deadline: deadline jiffies for the operation
42 static int jmicron_pre_reset(struct ata_link *link, unsigned long deadline) in jmicron_pre_reset() argument
105 return ata_sff_prereset(link, deadline); in jmicron_pre_reset()
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| D | pata_opti.c | 49 * @deadline: deadline jiffies for the operation
54 static int opti_pre_reset(struct ata_link *link, unsigned long deadline) in opti_pre_reset() argument
66 return ata_sff_prereset(link, deadline); in opti_pre_reset()
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| D | pata_triflex.c | 38 * @deadline: deadline jiffies for the operation
43 static int triflex_prereset(struct ata_link *link, unsigned long deadline) in triflex_prereset() argument
56 return ata_sff_prereset(link, deadline); in triflex_prereset()
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| D | pata_acpi.c | 32 * @deadline: deadline jiffies for the operation
37 static int pacpi_pre_reset(struct ata_link *link, unsigned long deadline) in pacpi_pre_reset() argument
44 return ata_sff_prereset(link, deadline); in pacpi_pre_reset()
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| D | pata_oldpiix.c | 33 * @deadline: deadline jiffies for the operation
38 static int oldpiix_pre_reset(struct ata_link *link, unsigned long deadline) in oldpiix_pre_reset() argument
50 return ata_sff_prereset(link, deadline); in oldpiix_pre_reset()
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| D | ahci_dm816.c | 104 unsigned int *class, unsigned long deadline) in ahci_dm816_softreset() argument
117 ret = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready); in ahci_dm816_softreset()
120 deadline, ahci_check_ready); in ahci_dm816_softreset()
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| D | pata_efar.c | 31 * @deadline: deadline jiffies for the operation
37 static int efar_pre_reset(struct ata_link *link, unsigned long deadline) in efar_pre_reset() argument
49 return ata_sff_prereset(link, deadline); in efar_pre_reset()
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| D | pata_it8213.c | 27 * @deadline: deadline jiffies for the operation
33 static int it8213_pre_reset(struct ata_link *link, unsigned long deadline) in it8213_pre_reset() argument
43 return ata_sff_prereset(link, deadline); in it8213_pre_reset()
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| D | pata_atiixp.c | 70 * @deadline: deadline jiffies for the operation
76 static int atiixp_prereset(struct ata_link *link, unsigned long deadline) in atiixp_prereset() argument
89 return ata_sff_prereset(link, deadline); in atiixp_prereset()
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| D | pata_sl82c105.c | 47 * @deadline: deadline jiffies for the operation
52 static int sl82c105_pre_reset(struct ata_link *link, unsigned long deadline) in sl82c105_pre_reset() argument
63 return ata_sff_prereset(link, deadline); in sl82c105_pre_reset()
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| /linux-5.10/block/ |
| D | Kconfig.iosched | 7 tristate "MQ deadline I/O scheduler"
10 MQ version of the deadline IO scheduler.
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| D | mq-deadline.c | 3 * MQ Deadline i/o scheduler - adaptation of the legacy deadline scheduler,
28 * See Documentation/block/deadline-iosched.rst
338 * A deadline has expired, the last request was in the other in __dd_dispatch_request()
378 * different hardware queue. This is because mq-deadline has shared
801 .elevator_name = "mq-deadline",
802 .elevator_alias = "deadline",
806 MODULE_ALIAS("mq-deadline-iosched");
823 MODULE_DESCRIPTION("MQ deadline IO scheduler");
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| /linux-5.10/tools/testing/selftests/kvm/x86_64/ |
| D | vmx_preemption_timer_test.c | 221 pr_info("Stage %d: L1 PT expiry TSC (%lu) , L1 TSC deadline (%lu)\n", in main()
224 pr_info("Stage %d: L2 PT expiry TSC (%lu) , L2 TSC deadline (%lu)\n", in main()
228 "Stage %d: L1 PT expiry TSC (%lu) < L1 TSC deadline (%lu)", in main()
232 "Stage %d: L2 PT expiry TSC (%lu) > L2 TSC deadline (%lu)", in main()
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| /linux-5.10/include/uapi/linux/sched/ |
| D | types.h | 55 * - the deadline (relative to the actual activation time) of each
61 * the instance activation time + the deadline.
65 * @sched_deadline representative of the task's deadline
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| /linux-5.10/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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