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/linux/tools/perf/bench/
H A Dsynthesize.c32 OPT_BOOLEAN('s', "st", &run_st, "Run single threaded benchmark"),
33 OPT_BOOLEAN('t', "mt", &run_mt, "Run multi-threaded benchmark"),
39 "Number of iterations used to compute single-threaded average"),
41 "Number of iterations used to compute multi-threaded average"),
133 "Computing performance of single threaded perf event synthesis by\n" in run_single_threaded()
216 "Computing performance of multi threaded perf event synthesis by\n" in run_multi_threaded()
249 * If neither single threaded or multi-threaded are specified, default in bench_synthesize()
250 * to running just single threaded. in bench_synthesize()
/linux/drivers/firmware/tegra/
H A Dbpmp.c224 clear_bit(index, bpmp->threaded.allocated); in tegra_bpmp_channel_read()
228 up(&bpmp->threaded.lock); in tegra_bpmp_channel_read()
257 err = down_timeout(&bpmp->threaded.lock, usecs_to_jiffies(timeout)); in tegra_bpmp_write_threaded()
263 index = find_first_zero_bit(bpmp->threaded.allocated, count); in tegra_bpmp_write_threaded()
276 set_bit(index, bpmp->threaded.allocated); in tegra_bpmp_write_threaded()
283 set_bit(index, bpmp->threaded.busy); in tegra_bpmp_write_threaded()
289 clear_bit(index, bpmp->threaded.allocated); in tegra_bpmp_write_threaded()
292 up(&bpmp->threaded.lock); in tegra_bpmp_write_threaded()
678 busy = bpmp->threaded.busy; in tegra_bpmp_handle_rx()
719 bpmp->threaded.count = bpmp->soc->channels.thread.count; in tegra_bpmp_probe()
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H A Dbpmp-tegra186.c176 for (i = 0; i < bpmp->threaded.count; i++) { in tegra186_bpmp_teardown_channels()
298 for (i = 0; i < bpmp->threaded.count; i++) { in tegra186_bpmp_setup_channels()
321 for (i = 0; i < bpmp->threaded.count; i++) in tegra186_bpmp_reset_channels()
/linux/kernel/irq/
H A Dspurious.c209 pr_cont(" threaded [<%p>] %ps", action->thread_fn, action->thread_fn); in __report_bad_irq()
270 * We cannot call note_interrupt from the threaded handler in note_interrupt()
272 * (primary and threaded). Aside of that in the threaded in note_interrupt()
274 * hardware interrupt while we are dealing with a threaded in note_interrupt()
280 * The threaded handlers store whether they successfully in note_interrupt()
285 * mechanism, but for the non forced threaded case we'd just in note_interrupt()
311 * Check whether one of the threaded handlers in note_interrupt()
337 * None of the threaded handlers felt in note_interrupt()
351 * threaded handlers on the same line. Clear in note_interrupt()
H A Dmanage.c81 * associated threaded handlers into account.
84 * parts (hardirq and threaded handler) have completed.
86 * Returns: false if a threaded handler is active.
113 * threaded handlers are active. in __synchronize_irq()
721 * Returns: false if a threaded handler is active.
972 * Default primary interrupt handler for threaded interrupts. Is
982 * Primary handler for nested threaded interrupts. Should never be
1070 * Oneshot interrupts keep the irq line masked until the threaded
1125 * Interrupts explicitly requested as threaded interrupts want to be
1141 * Interrupts which are not explicitly requested as threaded
[all …]
/linux/tools/memory-model/Documentation/
H A Dsimple.txt22 Single-threaded code
25 In single-threaded code, there is no reordering, at least assuming
28 threaded context as the kernel can enter the same code path on multiple
38 this lock at a given time, your code will be executed single-threaded.
61 Despite the scalability limitations of single-threaded code, RCU
64 single-threaded grace-period processing is use of batching, where all
75 being completely single-threaded, it is often possible to use library
89 With code locking, we use single-threaded code execution to guarantee
93 in the code execution that will execute as though it is single threaded.
114 a single-threaded approach while providing excellent performance and
/linux/tools/testing/selftests/cgroup/
H A Dtest_core.c268 * A (domain threaded) - B (threaded) - C (domain)
271 * threaded cgroup. "cgroup.type" file will report "domain (invalid)" in
295 if (cg_write(parent, "cgroup.type", "threaded")) in test_cgcore_invalid_domain()
334 * Test that when a child becomes threaded
335 * the parent type becomes domain threaded. in test_cgcore_parent_becomes_threaded()
353 if (cg_write(child, "cgroup.type", "threaded")) in test_cgcore_parent_becomes_threaded()
356 if (cg_read_strcmp(parent, "cgroup.type", "domain threaded\n")) in test_cgcore_parent_becomes_threaded()
373 * Test that there's no internal process constrain on threaded cgroups.
398 if (cg_write(parent, "cgroup.type", "threaded")) in test_cgcore_no_internal_process_constraint_on_threads()
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/linux/scripts/coccinelle/misc/
H A Dirqf_oneshot.cocci2 /// Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
3 /// threaded IRQs without a primary handler need to be requested with
106 msg = "WARNING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is n…
112 msg = "WARNING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is n…
/linux/Documentation/PCI/
H A Dboot-interrupts.rst56 irq_default_primary_handler threaded usb_hcd_irq
63 The use of threaded interrupts is the most likely condition to trigger
64 this problem today. Threaded interrupts may not be re-enabled after the IRQ
65 handler wakes. These "one shot" conditions mean that the threaded interrupt
66 needs to keep the interrupt line masked until the threaded handler has run.
/linux/include/linux/
H A Dcgroup-defs.h267 * For a domain cgroup, the following points to self. If threaded,
303 /* all threaded csets whose ->dom_cset points to this cset */
488 int nr_threaded_children; /* # of live threaded child cgroups */
539 * If !threaded, self. If threaded, it points to the nearest
540 * domain ancestor. Inside a threaded subtree, cgroups are exempt
546 struct cgroup *old_dom_cgrp; /* used while enabling threaded */
777 * If %true, the controller, supports threaded mode on the default
778 * hierarchy. In a threaded subtree, both process granularity and
779 * no-internal-process constraint are ignored and a threaded
784 * threaded. implicit && !threaded is not supported.
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H A Dinterrupt.h53 * Used by threaded interrupts which need to keep the
54 * irq line disabled until the threaded handler has been run.
59 * IRQF_NO_THREAD - Interrupt cannot be threaded
97 * IRQC_IS_NESTED - interrupt runs in a nested threaded context
115 * @thread_fn: interrupt handler function for threaded interrupts
116 * @thread: thread pointer for threaded interrupts
159 * Primary handler for threaded interrupts
542 frequency threaded job scheduling. For almost all the purposes
612 * With forced-threaded interrupts enabled a raised softirq is deferred to
613 * ksoftirqd unless it can be handled within the threaded interrupt. This
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H A Dirqdesc.h46 * @threads_handled: stats field for deferred spurious detection of threaded handlers
47 * @threads_handled_last: comparator field for deferred spurious detection of threaded handlers
54 * @wait_for_threads: wait queue for sync_irq to wait for threaded handlers
/linux/drivers/pinctrl/qcom/
H A Dtlmm-test.c59 * @thread_op: operations to be performed by the threaded IRQ handler
61 * be performed by the threaded IRQ handler
358 * 10 threaded interrupts
410 * Drive line high 10 times, threaded handler drives it low to "clear the
435 * Drive line low 10 times, threaded handler drives it high to "clear the
461 * threaded handler to simulate a new interrupt, repeated 10 times, assert we
486 * threaded handler to simulate a new interrupt, repeated 10 times, assert we
/linux/include/acpi/platform/
H A Dacenv.h35 /* Common application configuration. All single threaded except for acpi_exec. */
304 * Use single threaded if the entire subsystem is contained in an application
305 * Use multiple threaded when the subsystem is running in the kernel.
307 * By default the model is single threaded if ACPI_APPLICATION is set,
308 * multi-threaded if ACPI_APPLICATION is not set.
/linux/Documentation/usb/
H A Ddwc3.rst34 - threaded handler of the device
45 - threaded handler of the EP-interrupt
/linux/Documentation/ABI/testing/
H A Dsysfs-class-net341 What: /sys/class/net/<iface>/threaded
346 Boolean value to control the threaded mode per device. User could
347 set this value to enable/disable threaded mode for all napi
352 0 threaded mode disabled for this dev
353 1 threaded mode enabled for this dev
/linux/drivers/pci/hotplug/
H A DTODO14 hardirq handler cpqhp_ctrl_intr(). Convert this to threaded IRQ handling.
55 simplified by converting it to threaded IRQ handling. Use pciehp as a
/linux/Documentation/networking/
H A Dnapi.rst19 but there is an option to use :ref:`separate kernel threads<threaded>`
148 IRQs are threaded (such as if ``PREEMPT_RT`` is enabled).
431 Threaded NAPI
434 Threaded NAPI is an operating mode that uses dedicated kernel
446 Threaded NAPI is controlled by writing 0/1 to the ``threaded`` file in
/linux/fs/squashfs/
H A DKconfig91 If in doubt, select "Single threaded compression"
94 bool "Single threaded compression"
97 Traditionally Squashfs has used single-threaded decompression.
/linux/drivers/net/wireless/mediatek/mt76/
H A Ddebugfs.c36 if (dev->napi_dev->threaded != val) in mt76_napi_threaded_set()
47 *val = dev->napi_dev->threaded; in mt76_napi_threaded_get()
/linux/scripts/
H A Dxz_wrap.sh151 # Use single-threaded mode because it compresses a little better
156 # needs less than 1400 MiB of RAM in single-threaded mode.
/linux/Documentation/driver-api/gpio/
H A Ddriver.rst331 threaded on -RT. As a result, spinlock_t or any sleepable APIs (like PM
334 If required (and if it can't be converted to the nested threaded GPIO irqchip,
336 this way it will become a threaded IRQ handler on -RT and a hard IRQ handler
361 Realtime considerations: this kind of handlers will be forced threaded on -RT,
366 - NESTED THREADED GPIO IRQCHIPS: these are off-chip GPIO expanders and any
381 The hallmark of threaded GPIO irqchips is that they set the .can_sleep
493 The helper supports using threaded interrupts as well. Then you just request
/linux/kernel/cgroup/
H A Dcgroup.c189 /* some controllers can be threaded on the default hierarchy */
372 /* can @cgrp host both domain and threaded children? */
390 /* domain roots can't be nested under threaded */ in cgroup_can_be_thread_root()
394 /* can only have either domain or threaded children */ in cgroup_can_be_thread_root()
405 /* is @cgrp root of a threaded subtree? */
412 /* a domain w/ threaded children is a thread root */ in cgroup_is_thread_root()
417 * A domain which has tasks and explicit threaded controllers in cgroup_is_thread_root()
454 /* threaded cgroups can only have threaded controllers */ in cgroup_control()
474 /* threaded cgroups can only have threaded controllers */ in cgroup_ss_mask()
1270 * If @cset should be threaded, look up the matching dom_cset and in find_css_set()
[all …]
/linux/tools/testing/selftests/membarrier/
H A Dmembarrier_test_multi_thread.c69 /* Multi-threaded */ in main()
/linux/lib/
H A Dis_single_threaded.c2 /* Function to determine if a thread group is single threaded or not

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