linux/Documentation/core-api
Linus Torvalds 7ab044a4f4 workqueue: Changes for v6.5
* Concurrency-managed per-cpu work items that hog CPUs and delay the
   execution of other work items are now automatically detected and excluded
   from concurrency management. Reporting on such work items can also be
   enabled through a config option.
 
 * Added tools/workqueue/wq_monitor.py which improves visibility into
   workqueue usages and behaviors.
 
 * Includes Arnd's minimal fix for gcc-13 enum warning on 32bit compiles.
   This conflicts with afa4bb778e ("workqueue: clean up WORK_* constant
   types, clarify masking") in master. Can be resolved by picking the master
   version.
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Merge tag 'wq-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue updates from Tejun Heo:

 - Concurrency-managed per-cpu work items that hog CPUs and delay the
   execution of other work items are now automatically detected and
   excluded from concurrency management. Reporting on such work items
   can also be enabled through a config option.

 - Added tools/workqueue/wq_monitor.py which improves visibility into
   workqueue usages and behaviors.

 - Arnd's minimal fix for gcc-13 enum warning on 32bit compiles,
   superseded by commit afa4bb778e in mainline.

* tag 'wq-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Disable per-cpu CPU hog detection when wq_cpu_intensive_thresh_us is 0
  workqueue: Fix WARN_ON_ONCE() triggers in worker_enter_idle()
  workqueue: fix enum type for gcc-13
  workqueue: Track and monitor per-workqueue CPU time usage
  workqueue: Report work funcs that trigger automatic CPU_INTENSIVE mechanism
  workqueue: Automatically mark CPU-hogging work items CPU_INTENSIVE
  workqueue: Improve locking rule description for worker fields
  workqueue: Move worker_set/clr_flags() upwards
  workqueue: Re-order struct worker fields
  workqueue: Add pwq->stats[] and a monitoring script
  Further upgrade queue_work_on() comment
2023-06-27 16:32:52 -07:00
..
irq Documentation: irqdomain: Fix typo of "at least once" 2022-08-18 11:11:52 -06:00
wrappers docs: put atomic*.txt and memory-barriers.txt into the core-api book 2022-09-29 12:55:06 -06:00
asm-annotations.rst docs: move x86 documentation into Documentation/arch/ 2023-03-30 12:58:51 -06:00
assoc_array.rst Documentation: Use "while" instead of "whilst" 2018-11-20 09:30:43 -07:00
boot-time-mm.rst docs/boot-time-mm: remove bootmem documentation 2018-10-31 08:54:16 -07:00
cachetlb.rst mm: Add flush_dcache_folio() 2021-10-18 07:49:36 -04:00
circular-buffers.rst doc: Remove ".vnet" from paulmck email addresses 2019-05-28 09:02:57 -07:00
cpu_hotplug.rst x86/topology: Remove CPU0 hotplug option 2023-05-15 13:44:49 +02:00
debug-objects.rst doc: debugobjects: actually pull in the kerneldoc comments 2016-11-29 14:44:14 -07:00
debugging-via-ohci1394.rst docs: debugging-via-ohci1394.txt: add it to the core-api book 2020-05-15 11:59:17 -06:00
dma-api-howto.rst dma-api-howto: typo fix 2023-04-10 16:46:11 -06:00
dma-api.rst docs/mm: Physical Memory: remove useless markup 2023-02-02 10:18:04 -07:00
dma-attributes.rst Reinstate some of "swiotlb: rework "fix info leak with DMA_FROM_DEVICE"" 2022-03-28 11:37:05 -07:00
dma-isa-lpc.rst docs: core-api: avoid using ReST :doc:foo markup 2021-06-17 13:24:37 -06:00
entry.rst Documentation: core-api: entry: Add comments about nesting 2022-01-27 11:32:40 -07:00
errseq.rst errseq: Add to documentation tree 2018-01-01 12:40:27 -07:00
genalloc.rst lib/genalloc.c: rename addr_in_gen_pool to gen_pool_has_addr 2019-12-04 19:44:13 -08:00
generic-radix-tree.rst generic radix trees 2019-03-12 10:04:02 -07:00
genericirq.rst docs: genericirq.rst: don't document chip.c functions twice 2020-10-15 07:49:41 +02:00
gfp_mask-from-fs-io.rst docs: core-api/gfp_mask-from-fs-io: add a label for cross-referencing 2018-09-20 11:02:32 -06:00
idr.rst IDR: Note that the IDR API is deprecated 2022-07-10 21:17:30 -04:00
index.rst docs: add more netlink docs (incl. spec docs) 2023-01-24 10:58:11 +01:00
kernel-api.rst It's been a relatively calm cycle in docsland. We do have: 2023-06-27 11:33:47 -07:00
kobject.rst kobject documentation: remove default_attrs information 2022-01-07 11:23:37 +01:00
kref.rst docs: move the kref doc into the core-api book 2020-05-15 12:02:19 -06:00
librs.rst docs-rst: convert librs book to ReST 2017-05-16 08:44:16 -03:00
local_ops.rst timers: Update the documentation to reflect on the new timer_shutdown() API 2022-11-24 15:09:12 +01:00
maple_tree.rst Maple Tree: add new data structure 2022-09-26 19:46:13 -07:00
memory-allocation.rst mm/slab: document kfree() as allowed for kmem_cache_alloc() objects 2023-03-29 10:35:41 +02:00
memory-hotplug.rst mm/memory_hotplug: remove HIGHMEM leftovers 2021-11-06 13:30:42 -07:00
mm-api.rst mm/page_alloc: remove obsolete gfpflags_normal_context() 2022-10-03 14:03:30 -07:00
netlink.rst docs: add more netlink docs (incl. spec docs) 2023-01-24 10:58:11 +01:00
packing.rst Documentation: core-api: packing: correct spelling 2023-02-15 21:40:54 -08:00
padata.rst Documentation: core-api: padata: correct spelling 2023-02-16 16:58:01 -07:00
pin_user_pages.rst mm: Don't pin ZERO_PAGE in pin_user_pages() 2023-05-31 09:48:15 -06:00
printk-basics.rst printk: Move the printk() kerneldoc comment to its new home 2021-07-26 12:36:44 +02:00
printk-formats.rst mm, printk: introduce new format %pGt for page_type 2023-03-28 16:20:09 -07:00
printk-index.rst printk/index: Printk index feature documentation 2022-04-13 14:25:31 +02:00
protection-keys.rst Documentation/protection-keys: Clean up documentation for User Space pkeys 2022-06-07 16:06:22 -07:00
rbtree.rst docs: rbtree.rst: Fix a typo 2021-03-25 11:38:51 -06:00
refcount-vs-atomic.rst docs: remove :c:func: from refcount-vs-atomic.rst 2019-10-07 09:08:56 -06:00
symbol-namespaces.rst doc: module: update file references 2022-07-01 14:50:01 -07:00
this_cpu_ops.rst arch: Remove cmpxchg_double 2023-06-05 09:36:39 +02:00
timekeeping.rst timekeeping: Introduce fast accessor to clock tai 2022-04-14 16:19:30 +02:00
tracepoint.rst doc: Sphinxify the tracepoint docbook 2016-11-29 14:44:23 -07:00
unaligned-memory-access.rst docs: move other kAPI documents to core-api 2020-06-26 11:33:42 -06:00
watch_queue.rst Documentation: move watch_queue to core-api 2022-04-22 09:47:25 -06:00
workqueue.rst workqueue: Track and monitor per-workqueue CPU time usage 2023-05-17 17:02:09 -10:00
xarray.rst XArray: Document the locking requirement for the xa_state 2022-02-03 15:56:50 -05:00