| /openbmc/linux/tools/workqueue/ |
| H A D | wq_monitor.py | 7 This is a drgn script to monitor workqueues. For more info on drgn, visit
23 CMW/RPR For per-cpu workqueues, the number of concurrency-management
25 unbound workqueues, the number of times a worker was repatriated
61 workqueues = prog['workqueues'] variable
161 for wq in list_for_each_entry('struct workqueue_struct', workqueues.address_of_(), 'list'):
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| H A D | wq_dump.py | 13 Shows the CPUs that can be used for unbound workqueues and how they will be
36 Lists all workqueues along with their type and worker pool association. For
79 workqueues = prog['workqueues'] variable
156 for wq in list_for_each_entry('struct workqueue_struct', workqueues.address_of_(), 'list'):
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| /openbmc/linux/include/linux/ |
| H A D | workqueue.h | 373 * Per-cpu workqueues are generally preferred because they tend to
375 * workqueues exclude the scheduler from choosing the CPU to
387 * Workqueues marked with WQ_POWER_EFFICIENT are per-cpu by default
389 * specified. Per-cpu workqueues which are identified to
411 * System-wide workqueues which are always present.
471 * implemented as unbound workqueues with @max_active of one.
627 * Detect attempt to flush system-wide workqueues at compile time when possible.
628 * Warn attempt to flush system-wide workqueues at runtime.
631 * for reasons and steps for converting system-wide workqueues into local workqueues.
634 __compiletime_warning("Please avoid flushing system-wide workqueues.");
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| H A D | kfence.h | 71 * up the allocation gate timer, and requires that workqueues are available.
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| /openbmc/linux/kernel/ |
| H A D | workqueue.c | 22 * pools for workqueues which are not bound to any specific CPU - the
287 struct list_head list; /* PR: list of all workqueues */
318 * the workqueues list without grabbing wq_pool_mutex.
319 * This is used to dump all workqueues from sysrq.
331 * Each pod type describes how CPUs should be grouped for unbound workqueues.
372 static DEFINE_MUTEX(wq_pool_mutex); /* protects pools and workqueues list */
378 static LIST_HEAD(workqueues); /* PR: list of all workqueues */
1161 * workqueues as appropriate. To avoid flooding the console, each violating work
1900 * This current implementation is specific to unbound workqueues. in queue_work_node()
2630 * workqueues), so hiding them isn't a problem. in process_one_work()
[all …]
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| H A D | umh.c | 148 * possibly reduced affinity (eg: per-cpu workqueues). We don't want
151 * Unbound workqueues provide such wide affinity and allow to block on
154 * Besides, workqueues provide the privilege level that caller might not have
394 * asynchronously if wait is not set, and runs as a child of system workqueues.
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| /openbmc/linux/Documentation/admin-guide/ |
| H A D | kernel-per-CPU-kthreads.rst | 149 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
248 use of each CPU's workqueues to run its cache_reap()
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| H A D | xfs.rst | 507 XFS uses kernel workqueues to parallelize metadata update processes. This
516 The control knobs for a filesystem's workqueues are organized by task at hand
534 The interesting knobs for XFS workqueues are as follows:
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| /openbmc/linux/Documentation/core-api/ |
| H A D | workqueue.rst | 85 The cmwq design differentiates between the user-facing workqueues that
91 worker-pools to serve work items queued on unbound workqueues - the
132 For unbound workqueues, the number of backing pools is dynamic.
227 unbound workqueues.
369 worker on the same CPU. This makes unbound workqueues behave as per-cpu
370 workqueues without concurrency management.
424 necessitating explicit configurations when workqueues are heavily used.
575 the workqueues using ``apply_workqueue_attrs()`` and/or enable
596 configuration, worker pools and how workqueues map to the pools: ::
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| /openbmc/linux/kernel/power/ |
| H A D | Kconfig | 314 Per-cpu workqueues are generally preferred because they show
316 per-cpu workqueues tend to be more power hungry than unbound
317 workqueues.
320 per-cpu workqueues which were observed to contribute
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| /openbmc/linux/Documentation/arch/x86/ |
| H A D | sva.rst | 31 Shared Hardware Workqueues
153 * 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?
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| /openbmc/linux/Documentation/RCU/Design/Expedited-Grace-Periods/ |
| H A D | Expedited-Grace-Periods.rst | 402 Use of Workqueues
409 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.
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| /openbmc/linux/drivers/net/wwan/t7xx/ |
| H A D | t7xx_modem_ops.h | 34 * @HIF_EX_CLEARQ_DONE: Disable RX, flush TX/RX workqueues and clear RX.
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| H A D | t7xx_modem_ops.c | 235 * HIF_EX_CLEARQ_DONE: Disable RX, flush TX/RX workqueues and clear RX.
254 * +------------------+ : Flush TX/RX workqueues
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| /openbmc/linux/kernel/sched/ |
| H A D | isolation.c | 4 * any CPU: unbound workqueues, timers, kthreads and any offloadable work.
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| /openbmc/linux/drivers/watchdog/ |
| H A D | softdog.c | 94 * Also, executing it in system-wide workqueues blocks in softdog_fire()
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| /openbmc/linux/drivers/bus/ |
| H A D | mips_cdmm.c | 133 * workqueues. For the standard driver callbacks we need a work function
573 * workqueues. For the CPU callbacks, they need to be called for all devices on
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| /openbmc/linux/kernel/rcu/ |
| H A D | tree_exp.h | 584 // Workqueues should not be signaled. in synchronize_rcu_expedited_wait_once()
587 WARN_ON(t < 0); /* workqueues should not be signaled. */ in synchronize_rcu_expedited_wait_once()
728 * workqueues and mid-boot-time tasks.
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| /openbmc/linux/Documentation/devicetree/bindings/media/ |
| H A D | mediatek,vcodec-subdev-decoder.yaml | 38 There are two workqueues in parent device: lat workqueue and core workqueue. They are used
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| /openbmc/linux/fs/btrfs/ |
| H A D | async-thread.c | 135 /* Ordered workqueues don't allow @max_active adjustments. */ in btrfs_alloc_ordered_workqueue()
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| /openbmc/linux/drivers/gpu/drm/i915/ |
| H A D | i915_vma_resource.c | 328 * stalling kernel workqueues trying to grab the mutex.
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| /openbmc/linux/Documentation/networking/device_drivers/ethernet/freescale/ |
| H A D | dpaa.rst | 163 range from 0 (lowest) to 3 (highest). These are mapped to HW workqueues with
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| /openbmc/linux/tools/memory-model/Documentation/ |
| H A D | simple.txt | 82 the list macros (for example, include/linux/{,rcu}list.h), workqueues,
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| /openbmc/linux/sound/soc/codecs/ |
| H A D | rt712-sdca-sdw.c | 257 * scheme. We do want however to prevent new workqueues from being scheduled if in rt712_sdca_interrupt_callback()
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| /openbmc/linux/Documentation/mm/ |
| H A D | physical_memory.rst | 280 Workqueues used to synchronize memory reclaim tasks
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