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/openbmc/linux/drivers/acpi/
H A Dprocessor_throttling.c74 pthrottling = &(pr->throttling); in acpi_processor_update_tsd_coord()
96 pthrottling = &pr->throttling; in acpi_processor_update_tsd_coord()
119 match_pthrottling = &(match_pr->throttling); in acpi_processor_update_tsd_coord()
151 match_pthrottling = &(match_pr->throttling); in acpi_processor_update_tsd_coord()
178 pthrottling = &(pr->throttling); in acpi_processor_update_tsd_coord()
213 if (!pr->flags.throttling) { in acpi_processor_throttling_notifier()
220 p_throttling = &(pr->throttling); in acpi_processor_throttling_notifier()
306 if (throttling_limit >= pr->throttling.state_count) { in acpi_processor_tstate_has_changed()
311 current_state = pr->throttling.state; in acpi_processor_tstate_has_changed()
362 pr->flags.throttling = 0; in acpi_processor_reevaluate_tstate()
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H A Dprocessor_thermal.c196 if (pr->flags.throttling) in acpi_processor_max_state()
197 max_state += (pr->throttling.state_count -1); in acpi_processor_max_state()
234 if (pr->flags.throttling) in processor_get_cur_state()
235 *cur_state += pr->throttling.state; in processor_get_cur_state()
261 if (pr->flags.throttling && pr->throttling.state) in processor_set_cur_state()
H A Dacpi_processor.c368 pr->throttling.address = object.processor.pblk_address; in acpi_processor_get_info()
369 pr->throttling.duty_offset = acpi_gbl_FADT.duty_offset; in acpi_processor_get_info()
370 pr->throttling.duty_width = acpi_gbl_FADT.duty_width; in acpi_processor_get_info()
406 if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) { in acpi_processor_add()
465 free_cpumask_var(pr->throttling.shared_cpu_map); in acpi_processor_add()
512 free_cpumask_var(pr->throttling.shared_cpu_map); in acpi_processor_remove()
H A Dprocessor_driver.c148 if (pr->flags.throttling) in acpi_pss_perf_init()
/openbmc/qemu/docs/
H A Dthrottle.txt1 The QEMU throttling infrastructure
11 QEMU includes a throttling module that can be used to set limits to
16 This document explains how to use the throttling code in QEMU, and how
20 Using throttling to limit disk I/O
27 I/O limits can be set using the throttling.* parameters of -drive, or
34 | throttling.iops-total | iops |
35 | throttling.iops-read | iops_rd |
36 | throttling.iops-write | iops_wr |
37 | throttling.bps-total | bps |
38 | throttling.bps-read | bps_rd |
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/openbmc/qemu/tests/qemu-iotests/
H A D051286 run_qemu -drive file="$TEST_IMG",iops=1234,throttling.iops-total=5678
287 run_qemu -drive file="$TEST_IMG",iops_rd=1234,throttling.iops-read=5678
288 run_qemu -drive file="$TEST_IMG",iops_wr=1234,throttling.iops-write=5678
290 run_qemu -drive file="$TEST_IMG",bps=1234,throttling.bps-total=5678
291 run_qemu -drive file="$TEST_IMG",bps_rd=1234,throttling.bps-read=5678
292 run_qemu -drive file="$TEST_IMG",bps_wr=1234,throttling.bps-write=5678
294 run_qemu -drive file="$TEST_IMG",iops_max=1234,throttling.iops-total-max=5678
295 run_qemu -drive file="$TEST_IMG",iops_rd_max=1234,throttling.iops-read-max=5678
296 run_qemu -drive file="$TEST_IMG",iops_wr_max=1234,throttling.iops-write-max=5678
298 run_qemu -drive file="$TEST_IMG",bps_max=1234,throttling.bps-total-max=5678
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H A D051.out275 Testing: -drive file=TEST_DIR/t.qcow2,iops=1234,throttling.iops-total=5678
276 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops=1234,throttling.iops-total=5678: 'throttling.iops-tota…
278 Testing: -drive file=TEST_DIR/t.qcow2,iops_rd=1234,throttling.iops-read=5678
279 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops_rd=1234,throttling.iops-read=5678: 'throttling.iops-re…
281 Testing: -drive file=TEST_DIR/t.qcow2,iops_wr=1234,throttling.iops-write=5678
282 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops_wr=1234,throttling.iops-write=5678: 'throttling.iops-w…
284 Testing: -drive file=TEST_DIR/t.qcow2,bps=1234,throttling.bps-total=5678
285 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps=1234,throttling.bps-total=5678: 'throttling.bps-total' …
287 Testing: -drive file=TEST_DIR/t.qcow2,bps_rd=1234,throttling.bps-read=5678
288 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps_rd=1234,throttling.bps-read=5678: 'throttling.bps-read'…
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H A D051.pc.out355 Testing: -drive file=TEST_DIR/t.qcow2,iops=1234,throttling.iops-total=5678
356 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops=1234,throttling.iops-total=5678: 'throttling.iops-tota…
358 Testing: -drive file=TEST_DIR/t.qcow2,iops_rd=1234,throttling.iops-read=5678
359 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops_rd=1234,throttling.iops-read=5678: 'throttling.iops-re…
361 Testing: -drive file=TEST_DIR/t.qcow2,iops_wr=1234,throttling.iops-write=5678
362 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops_wr=1234,throttling.iops-write=5678: 'throttling.iops-w…
364 Testing: -drive file=TEST_DIR/t.qcow2,bps=1234,throttling.bps-total=5678
365 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps=1234,throttling.bps-total=5678: 'throttling.bps-total' …
367 Testing: -drive file=TEST_DIR/t.qcow2,bps_rd=1234,throttling.bps-read=5678
368 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps_rd=1234,throttling.bps-read=5678: 'throttling.bps-read'…
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/openbmc/linux/block/
H A DKconfig92 bool "Block layer bio throttling support"
96 Block layer bio throttling support. It can be used to limit
104 bool "Block throttling .low limit interface support (EXPERIMENTAL)"
107 Add .low limit interface for block throttling. The low limit is a best
115 bool "Enable support for block device writeback throttling"
119 less impact on foreground operations. The throttling is done
124 bool "Enable writeback throttling by default"
128 Enable writeback throttling by default for request-based block devices.
134 Enabling this option enables the .latency interface for IO throttling.
136 the configured latency target, throttling anybody with a higher latency
/openbmc/linux/drivers/gpu/drm/etnaviv/
H A DKconfig19 bool "enable ETNAVIV thermal throttling"
23 Compile in support for thermal throttling.
/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-platform-dfl-fme135 threshold, hardware starts 50% or 90% throttling (see
144 threshold, hardware starts 100% throttling.
177 0 AP2 state (90% throttling)
178 1 AP1 state (50% throttling)
193 this threshold, hardware starts 50% throttling.
206 this threshold, hardware starts 90% throttling.
H A Dsysfs-platform-dfl-port23 means different throttling level. When reading this file, it
/openbmc/linux/Documentation/networking/device_drivers/ethernet/aquantia/
H A Datlantic.rst411 aq_itr -Interrupt throttling mode
418 0 Disable interrupt throttling.
419 1 Enable interrupt throttling and use specified tx and rx rates.
420 0xFFFF Auto throttling mode. Driver will choose the best RX and TX
421 interrupt throttling settings based on link speed.
431 TX side throttling in microseconds. Adapter will setup maximum interrupt delay
441 RX side throttling in microseconds. Adapter will setup maximum interrupt delay
/openbmc/u-boot/drivers/thermal/
H A DKconfig5 temperature sensors to permit warnings, speed throttling or even
/openbmc/openbmc/meta-openembedded/meta-networking/recipes-support/ncp/
H A Dncp_1.2.4.bb3 security or integrity checking, no throttling, no features, except \
/openbmc/linux/Documentation/admin-guide/cgroup-v1/
H A Dblkio-controller.rst13 One IO control policy is throttling policy which can be used to
27 Enable throttling in block layer::
56 throttling's hierarchy support is enabled iff "sane_behavior" is
69 hierarchy correctly. For throttling, all limits apply
92 Enable block device throttling support in block layer.
/openbmc/linux/include/acpi/
H A Dprocessor.h212 u8 throttling:1; member
236 struct acpi_processor_throttling throttling; member
/openbmc/phosphor-dbus-interfaces/yaml/xyz/openbmc_project/Inventory/Item/
H A DREADME.md30 - Control.Throttle and Item: `{throttling, throttled_by}`
/openbmc/openbmc/meta-openembedded/meta-networking/recipes-support/tnftp/
H A Dtnftp_20230507.bb10 throttling."
/openbmc/linux/arch/arm/boot/dts/rockchip/
H A Drk3288-veyron-mickey.dts101 * Add some discrete steps to help throttling system deal
113 * - After 696 MHz we stop lowering voltage, so throttling
/openbmc/u-boot/arch/arm/dts/
H A Drk3288-veyron-mickey.dts126 * Add some discrete steps to help throttling system deal
138 * - After 696 MHz we stop lowering voltage, so throttling
/openbmc/qemu/qapi/
H A Dmigration.json223 # auto-converge has started throttling guest cpus. (Since 2.7)
710 # bytes_xfer_period to trigger throttling. It is expressed as
721 # @cpu-throttle-tailslow: Make CPU throttling slower at tail stage At
722 # the tail stage of throttling, the Guest is very sensitive to CPU
730 # traditional throttling, meanwhile the throttle increment won't
891 # bytes_xfer_period to trigger throttling. It is expressed as
902 # @cpu-throttle-tailslow: Make CPU throttling slower at tail stage At
903 # the tail stage of throttling, the Guest is very sensitive to CPU
911 # traditional throttling, meanwhile the throttle increment won't
1105 # bytes_xfer_period to trigger throttling. It is expressed as
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/openbmc/linux/Documentation/hwmon/
H A Dpeci-cputemp.rst78 package. Used for throttling temperature. If this value
H A Djc42.rst110 systems use the sensor to prevent memory overheating by automatically throttling
/openbmc/linux/Documentation/scheduler/
H A Dsched-deadline.rst219 - Umax is the maximum reclaimable utilization (subjected to RT throttling
224 (subjected to RT throttling limits).
570 tasks with real-time group scheduling (a.k.a. RT-throttling - see
578 A main difference between deadline bandwidth management and RT-throttling
580 and thus we don't need a higher level throttling mechanism to enforce the
660 dl_yielded is set and used to handle correctly throttling and runtime
713 …throttling patches [https://lore.kernel.org/r/cover.1266931410.git.fabio@helm.retis] but we still …

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