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/linux/tools/workqueue/
H A Dwq_dump.py96 workqueues = prog['workqueues'] variable
181 for wq in list_for_each_entry('struct workqueue_struct', workqueues.address_of_(), 'list'):
202 for wq in list_for_each_entry('struct workqueue_struct', workqueues.address_of_(), 'list'):
241 for wq in list_for_each_entry('struct workqueue_struct', workqueues.address_of_(), 'list'):
H A Dwq_monitor.py54 workqueues = prog['workqueues'] variable
154 for wq in list_for_each_entry('struct workqueue_struct', workqueues.address_of_(), 'list'):
/linux/Documentation/driver-api/crypto/iaa/
H A Diaa-crypto.rst93 With scalable mode, both shared and dedicated workqueues are available
116 With legacy mode, only dedicated workqueues are available for use.
126 With no IOMMU mode, only dedicated workqueues are available for use.
138 the user must first disable the IAA devices and workqueues, reset the
151 workqueues.
173 IAA workqueues need to be bound to the iaa_crypto driver.
195 driver, the available workqueues are 'rebalanced' such that work
215 When there are no IAA workqueues bound to the driver, the IAA crypto
310 The devices and workqueues are also enabled and therefore the driver
319 the enabled devices and workqueues must first be disabled. In order
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/linux/Documentation/core-api/
H A Dworkqueue.rst82 For threaded workqueues, special purpose threads, called [k]workers, execute
87 The cmwq design differentiates between the user-facing workqueues that
93 worker-pools to serve work items queued on unbound workqueues - the
96 BH workqueues use the same framework. However, as there can only be one
140 For unbound workqueues, the number of backing pools is dynamic.
176 BH workqueues can be considered a convenience interface to softirq. BH
177 workqueues are always per-CPU and all BH work items are executed in the
180 All BH workqueues must have 0 ``max_active`` and ``WQ_HIGHPRI`` is the
252 unbound workqueues.
395 worker on the same CPU. This makes unbound workqueues behave as per-cpu
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H A Dhousekeeping.rst15 Sometimes housekeeping is just some unbound work (unbound workqueues,
32 load balancing, unbound workqueues and timers.
/linux/kernel/power/
H A DKconfig366 Per-cpu workqueues are generally preferred because they show
368 per-cpu workqueues tend to be more power hungry than unbound
369 workqueues.
372 per-cpu workqueues which were observed to contribute
/linux/Documentation/admin-guide/
H A Dkernel-per-CPU-kthreads.rst149 2. Convert all drivers that you must use from tasklets to workqueues.
236 files. The set of WQ_SYSFS workqueues can be displayed using
237 "ls /sys/devices/virtual/workqueue". That said, the workqueues
239 sprinkling WQ_SYSFS across all the workqueues. The reason for
H A Dxfs.rst501 XFS uses kernel workqueues to parallelize metadata update processes. This
510 The control knobs for a filesystem's workqueues are organized by task at hand
528 The interesting knobs for XFS workqueues are as follows:
H A Dkernel-parameters.txt2793 A residual 1Hz tick is offloaded to workqueues, which you
8469 to use in unbound workqueues.
8472 unbound workqueues.
8509 candidates for using WQ_UNBOUND workqueues instead.
8521 Per-cpu workqueues are generally preferred because
8523 locality; unfortunately, per-cpu workqueues tend to
8524 be more power hungry than unbound workqueues.
8526 Enabling this makes the per-cpu workqueues which
8537 workqueues. Can be one of "cpu", "smt", "cache",
8544 workqueues with the "default" affinity scope will be
H A Dcgroup-v2.rst2652 and excluded from the unbound workqueues. Tasks placed in such
/linux/kernel/
H A Dworkqueue.c451 static LIST_HEAD(workqueues); /* PR: list of all workqueues */
5841 list_add_tail_rcu(&wq->list, &workqueues); in __alloc_workqueue()
6515 list_for_each_entry_rcu(wq, &workqueues, list) in show_all_workqueues()
6538 list_for_each_entry_rcu(wq, &workqueues, list) { in show_freezable_workqueues()
6770 list_for_each_entry(wq, &workqueues, list) { in workqueue_online_cpu()
6805 list_for_each_entry(wq, &workqueues, list) { in workqueue_offline_cpu()
6886 list_for_each_entry(wq, &workqueues, list) { in freeze_workqueues_begin()
6918 list_for_each_entry(wq, &workqueues, list) { in freeze_workqueues_busy()
6962 list_for_each_entry(wq, &workqueues, list) { in thaw_workqueues()
6982 list_for_each_entry(wq, &workqueues, list) { in workqueue_apply_unbound_cpumask()
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/linux/Documentation/RCU/Design/Expedited-Grace-Periods/
H A DExpedited-Grace-Periods.rst409 workqueues (see Documentation/core-api/workqueue.rst).
462 The use of workqueues has the advantage that the expedited grace-period
464 corresponding disadvantage that workqueues cannot be used until they are
472 the use of workqueues. However, the requesting task is only required to
475 workqueues are used.
/linux/Documentation/arch/x86/
H A Dsva.rst153 * Devices have a limited number (~10's to 1000's) of hardware workqueues.
154 The device driver manages allocating hardware workqueues.
184 * How are shared workqueues different?
/linux/Documentation/admin-guide/device-mapper/
H A Ddm-crypt.rst117 Set dm-crypt workqueues and the writer thread to high priority. This
/linux/Documentation/networking/device_drivers/ethernet/freescale/
H A Ddpaa.rst163 range from 0 (lowest) to 3 (highest). These are mapped to HW workqueues with
/linux/Documentation/RCU/
H A Drcubarrier.rst79 If latency is of the essence, workqueues could be used to run these
H A Dchecklist.rst553 If necessary, you can use something like workqueues to execute
/linux/Documentation/ABI/stable/
H A Dsysfs-driver-dma-idxd216 for dispatching work from multiple workqueues in the same group.
/linux/tools/memory-model/Documentation/
H A Dsimple.txt82 the list macros (for example, include/linux/{,rcu}list.h), workqueues,
/linux/Documentation/livepatch/
H A Dlivepatch.rst190 The location is clear when using workqueues or the kthread worker
/linux/Documentation/RCU/Design/Requirements/
H A DRequirements.rst1294 threads or (in the Linux kernel) workqueues.
1798 | on workqueues, but during the dead zone the requesting task itself |
1801 | dead zone ends, expedited grace periods go back to using workqueues, |
1915 | you can always use workqueues to invoke them concurrently. |
/linux/Documentation/spi/
H A Dspi-summary.rst610 execution contexts like IRQ handlers, tasklets, or workqueues (such
/linux/Documentation/ABI/testing/
H A Dsysfs-devices-system-cpu774 timer callbacks, and unbound workqueues, minimizing scheduling
/linux/init/
H A DKconfig759 any source of "noise" such as unbound workqueues, timers, kthreads...
/linux/lib/
H A DKconfig.debug1332 Say Y here to enable stall detection on workqueues. If a

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