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/Linux-v6.1/Documentation/devicetree/bindings/thermal/
Dnvidia,tegra124-soctherm.txt35 - throttle-cfgs: A sub-node which is a container of configuration for each
36 hardware throttle events. These events can be set as cooling devices.
37 * throttle events: Sub-nodes must be named as "light" or "heavy".
39 - nvidia,priority: Each throttles has its own throttle settings, so the
40 SW need to set priorities for various throttle, the HW arbiter can select
41 the final throttle settings.
51 level of pulse skippers, which used to throttle clock frequencies. It
57 It is the level of pulse skippers, which used to throttle clock
70 valid only for OCx throttle events.
79 - nvidia,throttle-period-us: Specifies the number of uSec for which
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/Linux-v6.1/drivers/thermal/
Dgov_step_wise.c39 enum thermal_trend trend, bool throttle) in get_target_state() argument
55 if (throttle) { in get_target_state()
66 if (throttle) { in get_target_state()
72 if (!throttle) in get_target_state()
75 if (!throttle) { in get_target_state()
104 bool throttle = false; in thermal_zone_trip_update() local
113 throttle = true; in thermal_zone_trip_update()
117 dev_dbg(&tz->device, "Trip%d[type=%d,temp=%d]:trend=%d,throttle=%d\n", in thermal_zone_trip_update()
118 trip, trip_type, trip_temp, trend, throttle); in thermal_zone_trip_update()
125 instance->target = get_target_state(instance, trend, throttle); in thermal_zone_trip_update()
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Dgov_fair_share.c65 * throttle state of the cooling devices associated with the given zone.
68 * P1. max_state: Maximum throttle state exposed by the cooling device.
73 * We do not want to throttle too much when we trip a lower temperature,
120 .throttle = fair_share_throttle,
DKconfig190 idle injection. This will throttle the CPU by injecting
202 This will throttle the device by limiting the maximum allowed DVFS
241 thermal framework. cpufreq is used as the cooling device to throttle
253 cpufreq is used as the cooling device to throttle CPUs when the
274 cpufreq is used as the cooling device to throttle CPUs when the passive
305 cpufreq is used as the cooling device to throttle CPUs when the
339 trip point. Cpufreq is used as the cooling device and will throttle
/Linux-v6.1/Documentation/admin-guide/cgroup-v1/
Dblkio-controller.rst38 echo "8:16 1048576" > /sys/fs/cgroup/blkio/blkio.throttle.read_bps_device
50 Limits for writes can be put using blkio.throttle.write_bps_device file.
252 blkio.throttle.read_bps_device
257 echo "<major>:<minor> <rate_bytes_per_second>" > /cgrp/blkio.throttle.read_bps_device
259 blkio.throttle.write_bps_device
264 echo "<major>:<minor> <rate_bytes_per_second>" > /cgrp/blkio.throttle.write_bps_device
266 blkio.throttle.read_iops_device
271 echo "<major>:<minor> <rate_io_per_second>" > /cgrp/blkio.throttle.read_iops_device
273 blkio.throttle.write_iops_device
278 echo "<major>:<minor> <rate_io_per_second>" > /cgrp/blkio.throttle.write_iops_device
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/Linux-v6.1/include/linux/
Ddm-kcopyd.h26 unsigned throttle; member
44 module_param_named(name, dm_kcopyd_throttle.throttle, uint, 0644); \
49 * throttle can be NULL if you don't want any throttling.
52 struct dm_kcopyd_client *dm_kcopyd_client_create(struct dm_kcopyd_throttle *throttle);
/Linux-v6.1/drivers/tty/serial/8250/
D8250_aspeed_vuart.c44 * If we fill the tty flip buffers, we throttle the data ready interrupt
274 bool throttle) in __aspeed_vuart_set_throttle() argument
279 if (!throttle) in __aspeed_vuart_set_throttle()
283 static void aspeed_vuart_set_throttle(struct uart_port *port, bool throttle) in aspeed_vuart_set_throttle() argument
289 __aspeed_vuart_set_throttle(up, throttle); in aspeed_vuart_set_throttle()
319 * have throttle/unthrottle callbacks, we've seen that the VUART device can
321 * against the throttle threshold. This results in dropped characters before
322 * the throttle.
325 * throttle now and schedule an unthrottle for later, once the ldisc has had
348 /* throttle and schedule an unthrottle later */ in aspeed_vuart_handle_irq()
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/Linux-v6.1/drivers/thermal/tegra/
Dsoctherm.c497 * throttrip_program() - Configures the hardware to throttle the
501 * @stc: pointer to the throttle need to be triggered
504 * Sets the thermal trip threshold and throttle event of the given sensor
506 * throttle.
722 * "THROTTLE" trip points , using "thermtrips", "critical" or "hot"
725 * After they have been configured, THERMTRIP or THROTTLE will take
735 * THROTTLE has been enabled successfully when a message similar to
737 * ""throttrip: will throttle when sensor group XXX reaches YYYYYY mC"
789 "throttrip: will throttle when %s reaches %d mC\n", in tegra_soctherm_set_hwtrips()
795 dev_info(dev, "throttrip: %s: missing throttle cdev\n", in tegra_soctherm_set_hwtrips()
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/Linux-v6.1/drivers/gpu/drm/amd/include/
Dkgd_pp_interface.h466 /* Throttle status */
518 /* Throttle status */
577 /* Throttle status (ASIC dependent) */
639 /* Throttle status */
666 /* Throttle status (ASIC independent) */
715 /* Throttle status */
765 /* Throttle status */
815 /* Throttle status (ASIC dependent) */
823 /* Throttle status (ASIC independent) */
868 /* Throttle status (ASIC dependent) */
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/Linux-v6.1/drivers/md/
Ddm-kcopyd.c72 struct dm_kcopyd_throttle *throttle; member
122 unsigned throttle, now, difference; in io_job_start() local
131 throttle = READ_ONCE(t->throttle); in io_job_start()
133 if (likely(throttle >= 100)) in io_job_start()
155 skew = t->io_period - throttle * t->total_period / 100; in io_job_start()
181 if (likely(READ_ONCE(t->throttle) >= 100)) in io_job_finish()
519 io_job_finish(kc->throttle); in complete_io()
572 io_job_start(job->kc->throttle); in run_io_job()
906 struct dm_kcopyd_client *dm_kcopyd_client_create(struct dm_kcopyd_throttle *throttle) in dm_kcopyd_client_create() argument
921 kc->throttle = throttle; in dm_kcopyd_client_create()
/Linux-v6.1/block/
Dblk-rq-qos.c65 if (rqos->ops->throttle) in __rq_qos_throttle()
66 rqos->ops->throttle(rqos, bio); in __rq_qos_throttle()
228 * rq_qos_wait - throttle on a rqw if we need to
229 * @rqw: rqw to throttle on
Dblk-iolatency.c9 * - We will throttle all IO that comes in here if we need to.
15 * throttle time do we pay attention to the actual queue depth.
32 * an average latency of 5ms. If it does then we will throttle the "slow"
34 * throttle "unloved", but nobody else.
41 * There are 2 ways we throttle IO.
43 * 1) Queue depth throttling. As we throttle down we will adjust the maximum
46 * only way we throttle.
57 * and then at throttle time will do
61 * This induced delay will throttle back the activity that is generating the
353 * dig out of it. Just enough that we don't throttle/unthrottle in scale_cookie_change()
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Dblk-throttle.c16 #include "blk-throttle.h"
41 /* A workqueue to queue throttle related work */
583 * Since we are adjusting the throttle limit dynamically, the sleep in throtl_schedule_pending_timer()
839 /* Round up to the next throttle slice, wait time must be nonzero */ in tg_within_iops_limit()
865 /* no need to throttle if this bio's bytes have been accounted */ in tg_within_bps_limit()
936 * long since now. New slice is started only for empty throttle group. in tg_may_dispatch()
1334 * blk-throttle. in tg_conf_updated()
1448 .name = "throttle.read_bps_device",
1454 .name = "throttle.write_bps_device",
1460 .name = "throttle.read_iops_device",
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/Linux-v6.1/arch/arm/boot/dts/
Drk3288-veyron-mickey.dts85 * After 1st level, throttle the CPU down to as low as 1.4 GHz
180 /* After 1st level throttle the GPU down to as low as 400 MHz */
187 * Slightly after we throttle the GPU, we'll also make sure that
189 * throttle the CPU lower than 1.4 GHz due to GPU heat--we'll
/Linux-v6.1/tools/perf/pmu-events/arch/x86/jaketown/
Duncore-memory.json266 "BriefDescription": "Critical Throttle Cycles",
284 "BriefDescription": "Throttle Cycles for Rank 0; DIMM ID",
294 "BriefDescription": "Throttle Cycles for Rank 0; DIMM ID",
304 "BriefDescription": "Throttle Cycles for Rank 0; DIMM ID",
314 "BriefDescription": "Throttle Cycles for Rank 0; DIMM ID",
324 "BriefDescription": "Throttle Cycles for Rank 0; DIMM ID",
334 "BriefDescription": "Throttle Cycles for Rank 0; DIMM ID",
344 "BriefDescription": "Throttle Cycles for Rank 0; DIMM ID",
354 "BriefDescription": "Throttle Cycles for Rank 0; DIMM ID",
/Linux-v6.1/drivers/cpufreq/
Dpowernv-cpufreq.c137 struct work_struct throttle; member
845 pr_info("Failed to create throttle stats directory for cpu %d\n", in powernv_cpufreq_cpu_init()
917 struct chip *chip = container_of(work, struct chip, throttle); in powernv_cpufreq_work_fn()
964 * target() callback which can detect the throttle state in powernv_cpufreq_occ_msg()
989 schedule_work(&chips[i].throttle); in powernv_cpufreq_occ_msg()
1008 schedule_work(&chips[i].throttle); in powernv_cpufreq_occ_msg()
1083 INIT_WORK(&chips[i].throttle, powernv_cpufreq_work_fn); in init_chip_info()
1102 cancel_work_sync(&chips[i].throttle); in clean_chip_info()
/Linux-v6.1/drivers/scsi/mpi3mr/
Dmpi3mr.h448 * struct mpi3mr_throttle_group_info - Throttle group info
455 * @id: Throttle Group ID.
632 * @tg_id: VDs throttle group ID
635 * @tg: Pointer to throttle group info
750 * @throttle_group: Pointer to throttle group info
1012 * @io_throttle_high: I/O size to start throttle in 512b blocks
1013 * @io_throttle_low: I/O size to stop throttle in 512b blocks
1014 * @num_io_throttle_group: Maximum number of throttle groups
1015 * @throttle_groups: Pointer to throttle group info structures
/Linux-v6.1/drivers/net/wireless/intel/iwlwifi/mvm/
Dtt.c25 tt->throttle = false; in iwl_mvm_enter_ctkill()
447 if (!tt->throttle && throttle_enable) { in iwl_mvm_tt_handler()
450 tt->throttle = true; in iwl_mvm_tt_handler()
451 } else if (tt->throttle && !tt->dynamic_smps && in iwl_mvm_tt_handler()
456 tt->throttle = false; in iwl_mvm_tt_handler()
883 tt->throttle = false; in iwl_mvm_thermal_initialize()
/Linux-v6.1/Documentation/ABI/testing/
Dsysfs-devices-system-cpu430 Description: POWERNV CPUFreq driver's frequency throttle stats directory and
434 throttle stat attributes for the chip. The throttle stats of a cpu
436 throttle attributes exported in the 'throttle_stats' directory:
464 The sysfs attributes representing different throttle reasons like
480 Description: POWERNV CPUFreq driver's frequency throttle stats directory and
485 attributes which give the frequency throttle information of the chip.
Dsysfs-firmware-opal-psr7 to shift/throttle power between different entities in
/Linux-v6.1/tools/perf/pmu-events/arch/x86/snowridgex/
Duncore-memory.json339 "BriefDescription": "Throttle Cycles for Rank 0",
349 "BriefDescription": "Throttle Cycles for Rank 0",
359 "BriefDescription": "Throttle Cycles for Rank 0",
369 "BriefDescription": "Throttle Cycles for Rank 0",
/Linux-v6.1/drivers/usb/serial/
Dbelkin_sa.h84 #define BELKIN_SA_FLOW_OCTS 0x0001 /* use CTS input to throttle output */
85 #define BELKIN_SA_FLOW_ODSR 0x0002 /* use DSR input to throttle output */
/Linux-v6.1/tools/perf/pmu-events/arch/arm64/arm/cortex-a53/
Dcache.json10 "BriefDescription": "Instruction Cache Throttle occurred"
/Linux-v6.1/Documentation/block/
Dkyber-iosched.rst6 reads and synchronous writes. Kyber will throttle requests in order to meet
/Linux-v6.1/drivers/tty/
Dtty_ioctl.c105 * Takes the termios rwsem to protect against parallel throttle/unthrottle
109 * Drivers should however remember that the stack can issue a throttle,
129 * tty_throttle_safe will only attempt throttle if tty->flow_change is
130 * TTY_THROTTLE_SAFE. Prevents an accidental throttle due to race
147 if (tty->ops->throttle) in tty_throttle_safe()
148 tty->ops->throttle(tty); in tty_throttle_safe()

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