| /kernel/linux/linux-6.6/include/net/ |
| D | netdev_queues.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
8 * DOC: Lockless queue stopping / waking helpers.
12 * and waking netdev queues without full lock protection.
15 * wake attempts. The try-stop should happen from the xmit handler,
16 * while wake up should be triggered from NAPI poll context.
19 * The try-stop side is expected to run from the xmit handler and therefore
23 * The waking side does not have similar context restrictions.
51 _res = -1; \
57 * netif_txq_maybe_stop() - locklessly stop a Tx queue, if needed
62 * @start_thrs: minimal number of descriptors to re-enable the queue, can be
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| /kernel/linux/linux-5.10/tools/testing/selftests/ftrace/test.d/direct/ |
| D | kprobe-direct.tc | 2 # SPDX-License-Identifier: GPL-2.0
6 rmmod ftrace-direct ||:
7 if ! modprobe ftrace-direct ; then
8 echo "No ftrace-direct sample module - please build with CONFIG_SAMPLE_FTRACE_DIRECT=m"
15 grep -q "my_direct_func: waking up" trace
17 rmmod ftrace-direct
23 modprobe ftrace-direct
25 grep -q "my_direct_func: waking up" trace
29 rmmod ftrace-direct
36 grep -q "kwake:" trace
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| /kernel/linux/linux-6.6/tools/testing/selftests/ftrace/test.d/direct/ |
| D | kprobe-direct.tc | 2 # SPDX-License-Identifier: GPL-2.0
6 rmmod ftrace-direct ||:
7 if ! modprobe ftrace-direct ; then
8 echo "No ftrace-direct sample module - please build with CONFIG_SAMPLE_FTRACE_DIRECT=m"
15 grep -q "my_direct_func: waking up" trace
17 rmmod ftrace-direct
23 modprobe ftrace-direct
25 grep -q "my_direct_func: waking up" trace
29 rmmod ftrace-direct
36 grep -q "kwake:" trace
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|
| /kernel/linux/linux-5.10/drivers/gpu/drm/i915/gt/ |
| D | intel_breadcrumbs_types.h | 1 /* SPDX-License-Identifier: MIT */
16 * with the herd waking after every interrupt and each doing the
18 * bottom-half of the user interrupt) to the first client. After
19 * every interrupt, we wake up one client, who does the heavyweight
21 * or wakes up all the completed clients in parallel, before then
22 * transferring the bottom-half status to the next client in the queue.
25 * bottom-half, we reduce the latency of the first waiter by avoiding
29 * the overhead of waking that client is much preferred.
|
| /kernel/linux/linux-6.6/drivers/gpu/drm/i915/gt/ |
| D | intel_breadcrumbs_types.h | 1 /* SPDX-License-Identifier: MIT */
19 * with the herd waking after every interrupt and each doing the
21 * bottom-half of the user interrupt) to the first client. After
22 * every interrupt, we wake up one client, who does the heavyweight
24 * or wakes up all the completed clients in parallel, before then
25 * transferring the bottom-half status to the next client in the queue.
28 * bottom-half, we reduce the latency of the first waiter by avoiding
32 * the overhead of waking that client is much preferred.
|
| /kernel/linux/linux-5.10/tools/perf/bench/ |
| D | futex-wake-parallel.c | 1 // SPDX-License-Identifier: GPL-2.0
27 #include <subcmd/parse-options.h>
47 /* all threads will block on the same futex -- hash bucket chaos ;) */
62 OPT_UINTEGER('w', "nwakers", &nwaking_threads, "Specify amount of waking threads"),
69 "perf bench futex wake-parallel <options>",
82 waker->nwoken = futex_wake(&futex, nwakes, futex_flag); in waking_workerfn()
83 if (waker->nwoken != nwakes) in waking_workerfn()
85 waker->nwoken, nwakes); in waking_workerfn()
88 timersub(&end, &start, &waker->runtime); in waking_workerfn()
105 * Thread creation order will impact per-thread latency in wakeup_threads()
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| D | futex-wake.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * futex-wake: Block a bunch of threads on a futex and wake'em up, N at a time.
8 * in non-error situations: all waiters are queued and all wake calls wakeup
18 #include <subcmd/parse-options.h>
65 threads_starting--; in workerfn()
86 printf("Wokeup %d of %d threads in %.4f ms (+-%.2f%%)\n", in print_summary()
104 CPU_SET(cpu->map[i % cpu->nr], &cpuset); in block_threads()
145 nthreads = cpu->nr; in bench_futex_wake()
155 "waking up %d at a time.\n\n", in bench_futex_wake()
181 /* Ok, all threads are patiently blocked, start waking folks up */ in bench_futex_wake()
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/net/ |
| D | fsl-tsec-phy.txt | 5 the definition of the PHY node in booting-without-of.txt for an example
9 - reg : Offset and length of the register set for the device, and optionally
14 - compatible : Should define the compatible device type for the
16 - "fsl,gianfar-tbi"
17 - "fsl,gianfar-mdio"
18 - "fsl,etsec2-tbi"
19 - "fsl,etsec2-mdio"
20 - "fsl,ucc-mdio"
21 - "fsl,fman-mdio"
23 - "gianfar"
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/net/ |
| D | fsl-tsec-phy.txt | 5 the definition of the PHY node in booting-without-of.txt for an example
9 - reg : Offset and length of the register set for the device, and optionally
14 - compatible : Should define the compatible device type for the
16 - "fsl,gianfar-tbi"
17 - "fsl,gianfar-mdio"
18 - "fsl,etsec2-tbi"
19 - "fsl,etsec2-mdio"
20 - "fsl,ucc-mdio"
21 - "fsl,fman-mdio"
23 - "gianfar"
[all …]
|
| /kernel/linux/linux-5.10/include/linux/sched/ |
| D | sd_flags.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * sched-domains (multiprocessor balancing) flag declarations.
48 * SHARED_CHILD: Set from the base domain up to cpuset.sched_relax_domain_level.
56 * SHARED_CHILD: Set from the base domain up to the NUMA reclaim level.
64 * SHARED_CHILD: Set from the base domain up to the NUMA reclaim level.
72 * SHARED_CHILD: Set from the base domain up to cpuset.sched_relax_domain_level.
78 * Consider waking task on waking CPU.
80 * SHARED_CHILD: Set from the base domain up to the NUMA reclaim level.
89 * NEEDS_GROUPS: Per-CPU capacity is asymmetric between groups.
96 * SHARED_CHILD: Set from the base domain up until spanned CPUs no longer share
[all …]
|
| /kernel/linux/linux-6.6/include/linux/sched/ |
| D | sd_flags.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * sched-domains (multiprocessor balancing) flag declarations.
48 * SHARED_CHILD: Set from the base domain up to cpuset.sched_relax_domain_level.
56 * SHARED_CHILD: Set from the base domain up to the NUMA reclaim level.
64 * SHARED_CHILD: Set from the base domain up to the NUMA reclaim level.
72 * SHARED_CHILD: Set from the base domain up to cpuset.sched_relax_domain_level.
78 * Consider waking task on waking CPU.
80 * SHARED_CHILD: Set from the base domain up to the NUMA reclaim level.
89 * NEEDS_GROUPS: Per-CPU capacity is asymmetric between groups.
99 * NEEDS_GROUPS: Per-CPU capacity is asymmetric between groups.
[all …]
|
| /kernel/linux/linux-6.6/tools/perf/bench/ |
| D | futex-wake-parallel.c | 1 // SPDX-License-Identifier: GPL-2.0
28 #include <subcmd/parse-options.h>
48 /* all threads will block on the same futex -- hash bucket chaos ;) */
64 OPT_UINTEGER('w', "nwakers", ¶ms.nwakes, "Specify amount of waking threads"),
73 "perf bench futex wake-parallel <options>",
86 waker->nwoken = futex_wake(&futex, nwakes, futex_flag); in waking_workerfn()
87 if (waker->nwoken != nwakes) in waking_workerfn()
89 waker->nwoken, nwakes); in waking_workerfn()
92 timersub(&end, &start, &waker->runtime); in waking_workerfn()
111 * Thread creation order will impact per-thread latency in wakeup_threads()
[all …]
|
| D | futex-wake.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * futex-wake: Block a bunch of threads on a futex and wake'em up, N at a time.
8 * in non-error situations: all waiters are queued and all wake calls wakeup
19 #include <subcmd/parse-options.h>
70 threads_starting--; in workerfn()
91 printf("Wokeup %d of %d threads in %.4f ms (+-%.2f%%)\n", in print_summary()
177 "waking up %d at a time.\n\n", in bench_futex_wake()
203 /* Ok, all threads are patiently blocked, start waking folks up */ in bench_futex_wake()
|
| /kernel/linux/linux-6.6/drivers/powercap/ |
| D | idle_inject.c | 1 // SPDX-License-Identifier: GPL-2.0
25 * After all of them have been woken up, a timer is set to start the next idle
28 * The timer interrupt handler will wake up the idle injection kthreads for
34 * It is up to the user of this framework to provide a lock for higher-level
51 * struct idle_inject_thread - task on/off switch structure
61 * struct idle_inject_device - idle injection data
78 * update() - This callback is invoked just before waking up CPUs to inject
79 * idle. If it returns false, CPUs are not woken up to inject idle in the given
96 * idle_inject_wakeup - Wake up idle injection threads
100 * and running on an online CPU will be woken up.
[all …]
|
| /kernel/linux/linux-6.6/rust/kernel/sync/ |
| D | condvar.rs | 1 // SPDX-License-Identifier: GPL-2.0
13 /// Creates a [`CondVar`] initialiser with the given name and a newly-created lock class.
24 /// atomically release the given lock and go to sleep. It reacquires the lock when it wakes up. And
25 /// it wakes up when notified by another thread (via [`CondVar::notify_one`] or
26 /// [`CondVar::notify_all`]) or because the thread received a signal. It may also wake up
64 /// fn new_example() -> Result<Pin<Box<Example>>> {
66 /// value <- new_mutex!(0),
67 /// value_changed <- new_condvar!(),
79 /// self-referential, so it cannot be safely moved once it is initialised.
95 pub fn new(name: &'static CStr, key: &'static LockClassKey) -> impl PinInit<Self> { in new()
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|
| /kernel/linux/linux-6.6/Documentation/locking/ |
| D | futex-requeue-pi.rst | 5 Requeueing of tasks from a non-PI futex to a PI futex requires
8 boosting logic [see rt-mutex-design.rst] For the purposes of
14 ----------
17 pthread_cond_broadcast() must resort to waking all the tasks waiting
19 gets to run first in classic thundering-herd formation. An ideal
20 implementation would wake the highest-priority waiter, and leave the
29 lock(cond->__data.__lock);
32 unlock(cond->__data.__lock);
33 futex_wait(cond->__data.__futex);
34 lock(cond->__data.__lock);
[all …]
|
| /kernel/linux/linux-5.10/Documentation/locking/ |
| D | futex-requeue-pi.rst | 5 Requeueing of tasks from a non-PI futex to a PI futex requires
8 boosting logic [see rt-mutex-desgin.txt] For the purposes of
14 ----------
17 pthread_cond_broadcast() must resort to waking all the tasks waiting
19 gets to run first in classic thundering-herd formation. An ideal
20 implementation would wake the highest-priority waiter, and leave the
29 lock(cond->__data.__lock);
32 unlock(cond->__data.__lock);
33 futex_wait(cond->__data.__futex);
34 lock(cond->__data.__lock);
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/input/touchscreen/ |
| D | egalax-ts.txt | 4 - compatible: must be "eeti,egalax_ts"
5 - reg: i2c slave address
6 - interrupts: touch controller interrupt
7 - wakeup-gpios: the gpio pin to be used for waking up the controller
15 interrupt-parent = <&gpio1>;
17 wakeup-gpios = <&gpio1 9 0>;
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/input/touchscreen/ |
| D | egalax-ts.txt | 4 - compatible: must be "eeti,egalax_ts"
5 - reg: i2c slave address
6 - interrupts: touch controller interrupt
7 - wakeup-gpios: the gpio pin to be used for waking up the controller
15 interrupt-parent = <&gpio1>;
17 wakeup-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
|
| /kernel/linux/linux-5.10/drivers/net/wireless/ath/ath10k/ |
| D | pci.h | 1 /* SPDX-License-Identifier: ISC */
3 * Copyright (c) 2005-2011 Atheros Communications Inc.
4 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
31 * PCI-specific Target state
36 * HOST_INTEREST->hi_interconnect_state points here
37 * (and all members are 32-bit quantities in order to
79 /* Per-pipe state. */
130 * bootup. To do that the original PCI-E Link Control is stored before
131 * device bootup is executed and re-programmed later.
138 /* The device has a special powersave-oriented register. When device is
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|
| /kernel/linux/linux-6.6/drivers/net/wireless/ath/ath10k/ |
| D | pci.h | 1 /* SPDX-License-Identifier: ISC */
3 * Copyright (c) 2005-2011 Atheros Communications Inc.
4 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
32 * PCI-specific Target state
37 * HOST_INTEREST->hi_interconnect_state points here
38 * (and all members are 32-bit quantities in order to
80 /* Per-pipe state. */
131 * bootup. To do that the original PCI-E Link Control is stored before
132 * device bootup is executed and re-programmed later.
139 /* The device has a special powersave-oriented register. When device is
[all …]
|
| /kernel/linux/linux-6.6/Documentation/ABI/testing/ |
| D | sysfs-driver-intel-rapid-start | 1 What: /sys/bus/acpi/intel-rapid-start/wakeup_events
15 What: /sys/bus/acpi/intel-rapid-start/wakeup_time
20 remain asleep before waking up to enter hibernation.
|
| /kernel/linux/linux-5.10/Documentation/ABI/testing/ |
| D | sysfs-driver-intel-rapid-start | 1 What: /sys/bus/acpi/intel-rapid-start/wakeup_events
15 What: /sys/bus/acpi/intel-rapid-start/wakeup_time
20 remain asleep before waking up to enter hibernation.
|
| /kernel/linux/linux-5.10/samples/ftrace/ |
| D | ftrace-direct.c | 1 // SPDX-License-Identifier: GPL-2.0-only
11 trace_printk("waking up %s-%d\n", p->comm, p->pid); in my_direct_func()
28 " .size my_tramp, .-my_tramp\n"
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/pinctrl/ |
| D | samsung,pinctrl.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
12 - Tomasz Figa <tomasz.figa@gmail.com>
22 - External GPIO interrupts (see interrupts property in pin controller node);
24 - External wake-up interrupts - multiplexed (capable of waking up the system
25 see interrupts property in external wake-up interrupt controller node -
26 samsung,pinctrl-wakeup-interrupt.yaml);
[all …]
|