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/linux/Documentation/timers/
H A Dno_hz.rst114 and such CPUs are said to be "adaptive-ticks CPUs". This is important
124 By default, no CPU will be an adaptive-ticks CPU. The "nohz_full="
125 boot parameter specifies the adaptive-ticks CPUs. For example,
126 "nohz_full=1,6-8" says that CPUs 1, 6, 7, and 8 are to be adaptive-ticks
128 adaptive-tick CPUs: At least one non-adaptive-tick CPU must remain
130 calls like gettimeofday() returns accurate values on adaptive-tick CPUs.
136 Finally, adaptive-ticks CPUs must have their RCU callbacks offloaded.
139 Normally, a CPU remains in adaptive-ticks mode as long as possible.
141 the mode. Instead, the CPU will exit adaptive-ticks mode only if needed,
144 Just as with dyntick-idle mode, the benefits of adaptive-tick mode do
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/linux/drivers/media/platform/verisilicon/
H A Dhantro_g2_vp9_dec.c623 for (m = 0; m < ARRAY_SIZE(adaptive->coef[0][0][0][0]); ++m) { \
624 memcpy(adaptive->coef[i][j][k][l][m], \
628 adaptive->coef[i][j][k][l][m][3] = 0; \
637 struct hantro_g2_probs *adaptive; in config_probs() local
666 adaptive = &all_probs->probs; in config_probs()
668 for (i = 0; i < ARRAY_SIZE(adaptive->inter_mode); ++i) { in config_probs()
669 memcpy(adaptive->inter_mode[i], probs->inter_mode[i], in config_probs()
672 adaptive->inter_mode[i][3] = 0; in config_probs()
675 memcpy(adaptive->is_inter, probs->is_inter, sizeof(adaptive->is_inter)); in config_probs()
677 for (i = 0; i < ARRAY_SIZE(adaptive->uv_mode); ++i) { in config_probs()
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/linux/Documentation/networking/device_drivers/ethernet/intel/
H A Didpf.rst88 This driver supports an adaptive interrupt throttle rate (ITR) mechanism that
93 To set the interrupt rate manually, you must disable adaptive mode::
95 # ethtool -C <ethX> adaptive-rx off adaptive-tx off
98 - Disable adaptive ITR and lower Rx and Tx interrupts. The examples below
104 # ethtool -C <ethX> adaptive-rx off adaptive-tx off rx-usecs 80
108 - Disable adaptive ITR and ITR by setting rx-usecs and tx-usecs to 0
111 # ethtool -C <ethX> adaptive-rx off adaptive-tx off rx-usecs 0
118 - To disable Rx adaptive ITR and set static Rx ITR to 10 microseconds or
121 # ethtool --per-queue <ethX> queue_mask 0xa --coalesce adaptive-rx off
H A Di40e.rst570 the adaptive interrupt moderation algorithm. The underlying hardware supports
576 # ethtool -C ethX adaptive-rx off adaptive-tx off rx-usecs-high 20 rx-usecs \
579 The above command would disable adaptive interrupt moderation, and allow a
627 For IP Forwarding: Disable Adaptive ITR and lower Rx and Tx interrupts per
635 # ethtool -C <interface> adaptive-rx off adaptive-tx off rx-usecs 125 \
638 For lower CPU utilization: Disable Adaptive ITR and lower Rx and Tx interrupts
646 # ethtool -C <interface> adaptive-rx off adaptive-tx off rx-usecs 250 \
649 For lower latency: Disable Adaptive ITR and ITR by setting Rx and Tx to 0 using
654 # ethtool -C <interface> adaptive-rx off adaptive-tx off rx-usecs 0 \
H A Dice.rst1081 This driver supports an adaptive interrupt throttle rate (ITR) mechanism that
1086 To set the interrupt rate manually, you must disable adaptive mode::
1088 # ethtool -C <ethX> adaptive-rx off adaptive-tx off
1092 Disable adaptive ITR and lower Rx and Tx interrupts. The examples below
1098 # ethtool -C <ethX> adaptive-rx off adaptive-tx off rx-usecs 80 tx-usecs 80
1102 Disable adaptive ITR and ITR by setting rx-usecs and tx-usecs to 0
1105 # ethtool -C <ethX> adaptive-rx off adaptive-tx off rx-usecs 0 tx-usecs 0
1112 To disable Rx adaptive ITR and set static Rx ITR to 10 microseconds or
1115 # ethtool --per-queue <ethX> queue_mask 0xa --coalesce adaptive-rx off
1129 also independent of the adaptive interrupt moderation algorithm. The
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H A Diavf.rst4 Linux Base Driver for Intel(R) Ethernet Adaptive Virtual Function
7 Intel Ethernet Adaptive Virtual Function Linux driver.
39 * Intel(R) Ethernet Adaptive Virtual Function
87 Adaptive Virtual Function
89 Adaptive Virtual Function (AVF) allows the virtual function driver, or VF, to
/linux/Documentation/networking/device_drivers/ethernet/chelsio/
H A Dcxgb.rst35 Adaptive Interrupts (adaptive-rx)
38 This feature provides an adaptive algorithm that adjusts the interrupt
46 By default, adaptive-rx is disabled.
47 To enable adaptive-rx::
49 ethtool -C <interface> adaptive-rx on
51 To disable adaptive-rx, use ethtool::
53 ethtool -C <interface> adaptive-rx off
55 After disabling adaptive-rx, the timer latency value will be set to 50us.
56 You may set the timer latency after disabling adaptive-rx::
64 You may also provide a timer latency value while disabling adaptive-rx::
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/linux/tools/testing/selftests/tc-testing/tc-tests/qdiscs/
H A Dred.json25 "name": "Create RED with adaptive flag",
35 …"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root red adaptive limit 1M avpkt 1500 min 100K…
38 "matchPattern": "qdisc red 1: root .* limit 1Mb min 100Kb max 300Kb adaptive $",
67 "name": "Create RED with flags ECN, adaptive",
77 …"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root red ecn adaptive limit 1M avpkt 1500 min …
80 "matchPattern": "qdisc red 1: root .* limit 1Mb min 100Kb max 300Kb ecn adaptive $",
/linux/drivers/net/ethernet/sfc/siena/
H A Dethtool.c93 * We implement adaptive IRQ moderation, but use a different algorithm
95 * Therefore we do not use any of the adaptive moderation parameters
127 bool adaptive, rx_may_override_tx; in efx_ethtool_set_coalesce() local
130 efx_siena_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive); in efx_ethtool_set_coalesce()
137 adaptive = coalesce->use_adaptive_rx_coalesce; in efx_ethtool_set_coalesce()
149 rc = efx_siena_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive, in efx_ethtool_set_coalesce()
/linux/drivers/net/ethernet/sfc/
H A Dethtool.c93 * We implement adaptive IRQ moderation, but use a different algorithm
95 * Therefore we do not use any of the adaptive moderation parameters
127 bool adaptive, rx_may_override_tx; in efx_ethtool_set_coalesce() local
130 efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive); in efx_ethtool_set_coalesce()
137 adaptive = coalesce->use_adaptive_rx_coalesce; in efx_ethtool_set_coalesce()
149 rc = efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive, in efx_ethtool_set_coalesce()
/linux/tools/testing/selftests/drivers/net/netdevsim/
H A Dethtool-coalesce.sh118 ethtool -C $NSIM_NETDEV adaptive-rx on
119 s=$(ethtool -c $NSIM_NETDEV | grep -q "Adaptive RX: on TX: off")
122 ethtool -C $NSIM_NETDEV adaptive-tx on
123 s=$(ethtool -c $NSIM_NETDEV | grep -q "Adaptive RX: on TX: on")
/linux/drivers/net/wireless/intel/iwlwifi/fw/api/
H A Dscan.h635 /* Extended dwell is obselete when adaptive dwell is used, making this
636 * bit reusable. Hence, probe request defer is used only when adaptive
674 * @IWL_UMAC_SCAN_GEN_FLAGS_V2_ADAPTIVE_DWELL: works with adaptive dwell
840 * @adwell_default_n_aps: for adaptive dwell the default number of APs
842 * @adwell_default_n_aps_social: for adaptive dwell the default
845 * @adwell_max_budget: for adaptive dwell the maximal budget of TU to be added
990 * dwell time when adaptive dwell is used
994 * @adwell_ch_override_bitmap: when using adaptive dwell, override the number
1013 * time when adaptive dwell is used.
1033 * @adwell_default_2g: adaptive dwell default number of APs
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/linux/Documentation/admin-guide/media/
H A Drcar-fdp1.rst21 * - ``"Adaptive 2D/3D" (1)``
22 - Motion adaptive version of 2D and 3D deinterlacing. Use 3D deinterlacing
/linux/Documentation/scheduler/
H A Dsched-debug.rst30 hence the scan rate of every task is adaptive and depends on historical
32 otherwise the scan delay decreases. The "scan size" is not adaptive but
/linux/Documentation/devicetree/bindings/display/mediatek/
H A Dmediatek,aal.yaml7 title: Mediatek display adaptive ambient light processor
14 Mediatek display adaptive ambient light processor, namely AAL,
/linux/Documentation/networking/device_drivers/ethernet/amazon/
H A Dena.rst27 interrupt vector per Tx/Rx queue pair, adaptive interrupt moderation,
192 ENA driver and device can operate in conventional or adaptive interrupt
200 **In adaptive interrupt** moderation mode the interrupt delay value is
204 Adaptive coalescing can be switched on/off through `ethtool(8)`'s
207 More information about Adaptive Interrupt Moderation (DIM) can be found in
/linux/arch/arm/mach-omap2/
H A DKconfig160 bool "AVS(Adaptive Voltage Scaling) support for OMAP IP versions 1&2"
164 Say Y to enable AVS(Adaptive Voltage Scaling)
/linux/drivers/net/ethernet/intel/iavf/
H A DMakefile4 # Makefile for the Intel(R) Ethernet Adaptive Virtual Function (iavf)
/linux/drivers/soc/samsung/
H A Dexynos5422-asv.h6 * Samsung Exynos 5422 SoC Adaptive Supply Voltage support
/linux/drivers/gpu/drm/i915/display/
H A Dintel_tv_regs.h404 /* Enables adaptive vertical filtering */
407 /* Selects the least adaptive vertical filtering mode */
409 /* Selects the moderately adaptive vertical filtering mode */
411 /* Selects the most adaptive vertical filtering mode */
/linux/include/sound/
H A Dcs42l56.h40 /* Adaptive Power Control for LO/HP */
/linux/Documentation/admin-guide/
H A Dkernel-per-CPU-kthreads.rst164 is marked as an adaptive-ticks CPU using the "nohz_full="
197 adaptive-ticks state by doing all of the following:
200 de-jittered is marked as an adaptive-ticks CPU using the
/linux/Documentation/ABI/testing/
H A Dsysfs-class-power-wilco9 Adaptive:
/linux/Documentation/devicetree/bindings/hwinfo/
H A Dsamsung,exynos-chipid.yaml35 Adaptive Supply Voltage bin selection. This can be used
/linux/include/drm/display/
H A Ddrm_dp_helper.h102 * struct drm_dp_as_sdp - drm DP Adaptive Sync SDP
105 * It is based on DP 2.1 spec [Table 2-126: Adaptive-Sync SDP Header Bytes] and
106 * [Table 2-127: Adaptive-Sync SDP Payload for DB0 through DB8]
116 * @mode: Adaptive Sync Operation Mode
269 /* Ignore MSA timing for Adaptive Sync support on DP 1.4 */

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