| /kernel/linux/linux-6.6/Documentation/tools/rtla/ |
| D | rtla-hwnoise.rst | 7 Detect and quantify hardware-related noise
23 noise is allowed.
41 The tool is set to detect any noise higher than *one microsecond*,
46 Hardware-related Noise
48 …CPU Period Runtime Noise % CPU Aval Max Noise Max Single HW NMI
60 the tool effectively runs on the CPU. The *Noise* column is the sum of
61 all noise that the tool observed, and the *% CPU Aval* is the relation
62 between the *Runtime* and *Noise*.
64 The *Max Noise* column is the maximum hardware noise the tool detected in a
65 single period, and the *Max Single* is the maximum single noise seen.
[all …]
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| D | rtla-osnoise.rst | 5 Measure the operating system noise
20 a summary of the noise of the operating system, including the counters of
22 for each noise via the **osnoise:** tracepoints. The **rtla osnoise top**
24 The **rtla osnoise hist** mode displays information about the noise using
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| D | rtla-osnoise-top.rst | 5 Display a summary of the operating system noise
42 Operating System Noise
44 …CPU Period Runtime Noise % CPU Aval Max Noise Max Single HW NM…
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| /kernel/linux/linux-6.6/Documentation/trace/ |
| D | osnoise-tracer.rst | 6 Noise (*osnoise*) refers to the interference experienced by an application
8 NMIs, IRQs, SoftIRQs, and any other system thread can cause noise to the
9 system. Moreover, hardware-related jobs can also cause noise, for example,
13 source of noise: *hardware noise*.
36 events. When a noise happens without any interference from the operating
37 system level, the hardware noise counter increases, pointing to a
38 hardware-related noise. In this way, osnoise can account for any
40 prints the sum of all noise, the max single noise, the percentage of CPU
41 available for the thread, and the counters for the noise sources.
64 …# |||| RUNTIME NOISE % OF CPU NOISE +-------…
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| /kernel/linux/linux-5.10/drivers/staging/rtl8723bs/hal/ |
| D | odm_NoiseMonitor.c | 10 /* This function is for inband noise test utility only */
11 /* To obtain the inband noise level(dbm), do the following. */
58 /* Step 3. Get noise power level */ in odm_InbandNoise_Monitor_NSeries()
66 /* Read Noise Floor Report */ in odm_InbandNoise_Monitor_NSeries()
68 …ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Noise Floor Report (0x8f8) = 0x%08x\n", tmp… in odm_InbandNoise_Monitor_NSeries()
124 pDM_Odm->noise_level.noise[ODM_RF_PATH_A] = -110 + reg_c50 + noise_data.sum[ODM_RF_PATH_A]; in odm_InbandNoise_Monitor_NSeries()
125 pDM_Odm->noise_level.noise_all += pDM_Odm->noise_level.noise[ODM_RF_PATH_A]; in odm_InbandNoise_Monitor_NSeries()
131 pDM_Odm->noise_level.noise[ODM_RF_PATH_B] = -110 + reg_c58 + noise_data.sum[ODM_RF_PATH_B]; in odm_InbandNoise_Monitor_NSeries()
132 pDM_Odm->noise_level.noise_all += pDM_Odm->noise_level.noise[ODM_RF_PATH_B]; in odm_InbandNoise_Monitor_NSeries()
142 pDM_Odm->noise_level.noise[ODM_RF_PATH_A], in odm_InbandNoise_Monitor_NSeries()
[all …]
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| /kernel/linux/linux-5.10/drivers/staging/media/atomisp/pci/isp/kernels/ynr/ynr_1.0/ |
| D | ia_css_ynr_types.h | 20 * CSS-API header file for Noise Reduction (BNR) and YCC Noise Reduction (YNR,CNR).
23 /* Configuration used by Bayer Noise Reduction (BNR) and
24 * YCC Noise Reduction (YNR,CNR).
32 ia_css_u0_16 bnr_gain; /** Strength of noise reduction (BNR).
35 ia_css_u0_16 ynr_gain; /** Strength of noise reduction (YNR).
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| /kernel/linux/linux-6.6/drivers/staging/media/atomisp/pci/isp/kernels/ynr/ynr_1.0/ |
| D | ia_css_ynr_types.h | 20 * CSS-API header file for Noise Reduction (BNR) and YCC Noise Reduction (YNR,CNR).
23 /* Configuration used by Bayer Noise Reduction (BNR) and
24 * YCC Noise Reduction (YNR,CNR).
32 ia_css_u0_16 bnr_gain; /** Strength of noise reduction (BNR).
35 ia_css_u0_16 ynr_gain; /** Strength of noise reduction (YNR).
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| /kernel/linux/linux-5.10/drivers/staging/media/atomisp/pci/isp/kernels/fpn/fpn_1.0/ |
| D | ia_css_fpn_types.h | 20 * CSS-API header file for Fixed Pattern Noise parameters.
23 /* Fixed Pattern Noise table.
25 * This contains the fixed patterns noise values
37 s16 *data; /** Table content (fixed patterns noise).
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| /kernel/linux/linux-6.6/drivers/staging/media/atomisp/pci/isp/kernels/fpn/fpn_1.0/ |
| D | ia_css_fpn_types.h | 20 * CSS-API header file for Fixed Pattern Noise parameters.
23 /* Fixed Pattern Noise table.
25 * This contains the fixed patterns noise values
37 s16 *data; /** Table content (fixed patterns noise).
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| /kernel/linux/linux-5.10/Documentation/sound/soc/ |
| D | pops-clicks.rst | 8 powered up and causes a popping noise on the speakers).
48 Zipper Noise
50 An unwanted zipper noise can occur within the audio playback or capture stream
51 when a volume control is changed near its maximum gain value. The zipper noise
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| /kernel/linux/linux-6.6/Documentation/sound/soc/ |
| D | pops-clicks.rst | 8 powered up and causes a popping noise on the speakers).
48 Zipper Noise
50 An unwanted zipper noise can occur within the audio playback or capture stream
51 when a volume control is changed near its maximum gain value. The zipper noise
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| /kernel/linux/linux-6.6/include/linux/input/ |
| D | cma3000.h | 26 * @fuzz_x: Noise on X Axis
27 * @fuzz_y: Noise on Y Axis
28 * @fuzz_z: Noise on Z Axis
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| /kernel/linux/linux-5.10/include/linux/input/ |
| D | cma3000.h | 26 * @fuzz_x: Noise on X Axis
27 * @fuzz_y: Noise on Y Axis
28 * @fuzz_z: Noise on Z Axis
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| /kernel/linux/linux-5.10/drivers/net/wireless/ath/ath9k/ |
| D | calib.c | 75 s8 noise = ATH_DEFAULT_NOISE_FLOOR; in ath9k_hw_getchan_noise() local
81 noise += delta; in ath9k_hw_getchan_noise()
83 return noise; in ath9k_hw_getchan_noise()
133 * Normally we limit the average noise floor by the in ath9k_hw_update_nfcal_hist_buffer()
145 * If the noise floor seems normal for all chains, assume that in ath9k_hw_update_nfcal_hist_buffer()
272 /* Try to get calibrated noise floor value */ in ath9k_hw_loadnf()
352 * of next noise floor calibration the baseband does. in ath9k_hw_loadnf()
425 "noise floor failed detected; detected %d, threshold %d\n", in ath9k_hw_getnf()
438 ah->noise = ath9k_hw_getchan_noise(ah, chan, chan->noisefloor); in ath9k_hw_getnf()
473 * Triggering a noise floor calibration at this point helps the in ath9k_hw_bstuck_nfcal()
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| /kernel/linux/linux-6.6/drivers/staging/media/atomisp/pci/ |
| D | atomisp_compat_ioctl32.h | 131 compat_uptr_t tnr_config; /* Temporal Noise Reduction */
133 compat_uptr_t ynr_config; /* Y(Luma) Noise Reduction */
136 compat_uptr_t cnr_config; /* Chroma Noise Reduction */
145 compat_uptr_t nr_config; /* Noise Reduction config */
149 compat_uptr_t anr_config; /* Advanced Noise Reduction */
151 compat_uptr_t xnr_config; /* eXtra Noise Reduction */
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| /kernel/linux/linux-5.10/drivers/staging/media/rkisp1/uapi/ |
| D | rkisp1-config.h | 557 * @thres: threshold used for minimizing the influence of noise
571 * @RKISP1_CIF_ISP_DPF_GAIN_USAGE_NF_GAINS: use only the noise function gains from
574 * @RKISP1_CIF_ISP_DPF_GAIN_USAGE_NF_LSC_GAINS: use the noise function gains and the
603 * enum rkisp1_cif_isp_dpf_nll_scale_mode - dpf noise level scale mode
613 * struct rkisp1_cif_isp_dpf_nll - Noise level lookup
615 * @coeff: Noise level Lookup coefficient
616 * @scale_mode: dpf noise level scale mode (from enum rkisp1_cif_isp_dpf_nll_scale_mode)
653 * struct rkisp1_cif_isp_dpf_gain - Noise function Configuration
656 * @nf_r_gain: Noise function Gain that replaces the AWB gain for red pixels
657 * @nf_b_gain: Noise function Gain that replaces the AWB gain for blue pixels
[all …]
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| /kernel/linux/linux-6.6/drivers/net/wireless/ath/ath9k/ |
| D | calib.c | 75 s8 noise = ATH_DEFAULT_NOISE_FLOOR; in ath9k_hw_getchan_noise() local
81 noise += delta; in ath9k_hw_getchan_noise()
83 return noise; in ath9k_hw_getchan_noise()
133 * Normally we limit the average noise floor by the in ath9k_hw_update_nfcal_hist_buffer()
145 * If the noise floor seems normal for all chains, assume that in ath9k_hw_update_nfcal_hist_buffer()
272 /* Try to get calibrated noise floor value */ in ath9k_hw_loadnf()
352 * of next noise floor calibration the baseband does. in ath9k_hw_loadnf()
425 "noise floor failed detected; detected %d, threshold %d\n", in ath9k_hw_getnf()
438 ah->noise = ath9k_hw_getchan_noise(ah, chan, chan->noisefloor); in ath9k_hw_getnf()
473 * Triggering a noise floor calibration at this point helps the in ath9k_hw_bstuck_nfcal()
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| /kernel/linux/linux-5.10/Documentation/admin-guide/media/ |
| D | ipu3.rst | 244 quality images. Besides, "STILL" mode need XNR3 to do noise reduction, hence
460 g [label="Bayer Noise Reduction"]
467 n [label="Chromatic Noise Reduction"]
501 BNR Bayer noise reduction block removes image noise by
504 ANR Advanced Noise Reduction is a block based algorithm
505 that performs noise reduction in the Bayer domain. The
530 CHNR Chroma noise reduction
532 performs noise reduction by cleaning the high
533 frequency noise.
537 XNR3 eXtreme Noise Reduction V3 is the third revision of
[all …]
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| /kernel/linux/linux-6.6/Documentation/admin-guide/media/ |
| D | ipu3.rst | 246 high quality images. Besides, "STILL" mode need XNR3 to do noise reduction,
463 g [label="Bayer Noise Reduction"]
470 n [label="Chromatic Noise Reduction"]
504 BNR Bayer noise reduction block removes image noise by
507 ANR Advanced Noise Reduction is a block based algorithm
508 that performs noise reduction in the Bayer domain. The
533 CHNR Chroma noise reduction
535 performs noise reduction by cleaning the high
536 frequency noise.
540 XNR3 eXtreme Noise Reduction V3 is the third revision of
[all …]
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| /kernel/linux/linux-5.10/drivers/staging/media/ipu3/include/ |
| D | intel-ipu3.h | 585 /* Bayer Noise Reduction related structs */
625 * struct ipu3_uapi_bnr_static_config_thr_coeffs_config - Noise model
626 * coefficients that controls noise threshold
642 * Threshold used to distinguish between noise and details.
661 * Parameters for noise model (NM) adaptation of BNR due to shading correction.
705 * dependent on de-noise threshold calculated by algorithm.
741 * beta and gamma parameter define the strength of the noise removal filter.
754 * @bnr_enable: Bayer noise removal enable control, 0 - disable, 1 - enable.
807 * @dn_detect_ctrl: detect and remove noise.
1846 /* Chroma Noise Reduction */
[all …]
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| /kernel/linux/linux-6.6/drivers/staging/media/ipu3/include/uapi/ |
| D | intel-ipu3.h | 619 /* Bayer Noise Reduction related structs */
662 * struct ipu3_uapi_bnr_static_config_thr_coeffs_config - Noise model
663 * coefficients that controls noise threshold
679 * Threshold used to distinguish between noise and details.
698 * Parameters for noise model (NM) adaptation of BNR due to shading correction.
742 * dependent on de-noise threshold calculated by algorithm.
778 * beta and gamma parameter define the strength of the noise removal filter.
791 * @bnr_enable: Bayer noise removal enable control, 0 - disable, 1 - enable.
844 * @dn_detect_ctrl: detect and remove noise.
1883 /* Chroma Noise Reduction */
[all …]
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| /kernel/linux/linux-5.10/include/linux/mfd/ |
| D | ac100.h | 99 #define AC100_ADC_DAP_N_TH 0x8e /* Noise Threshold */
100 #define AC100_ADC_DAP_L_H_N_A_C 0x8f /* Left High Noise Avg. Coef */
101 #define AC100_ADC_DAP_L_L_N_A_C 0x90 /* Left Low Noise Avg. Coef */
102 #define AC100_ADC_DAP_R_H_N_A_C 0x91 /* Right High Noise Avg. Coef */
103 #define AC100_ADC_DAP_R_L_N_A_C 0x92 /* Right Low Noise Avg. Coef */
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| /kernel/linux/linux-5.10/drivers/misc/echo/ |
| D | echo.h | 52 to adapt best to the strongest parts of a signal. If the signal is white noise,
69 If the adaption is performed while transmitting noise (or something fairly
70 noise like, such as voice) the adaption works very well. If the adaption is
86 noise may dominate and disturb the adaption process. If we can ensure that the
166 /* Parameters for the optional Hoth noise generator */
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| /kernel/linux/linux-6.6/include/linux/mfd/ |
| D | ac100.h | 99 #define AC100_ADC_DAP_N_TH 0x8e /* Noise Threshold */
100 #define AC100_ADC_DAP_L_H_N_A_C 0x8f /* Left High Noise Avg. Coef */
101 #define AC100_ADC_DAP_L_L_N_A_C 0x90 /* Left Low Noise Avg. Coef */
102 #define AC100_ADC_DAP_R_H_N_A_C 0x91 /* Right High Noise Avg. Coef */
103 #define AC100_ADC_DAP_R_L_N_A_C 0x92 /* Right Low Noise Avg. Coef */
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| /kernel/linux/linux-6.6/drivers/misc/echo/ |
| D | echo.h | 52 to adapt best to the strongest parts of a signal. If the signal is white noise,
69 If the adaption is performed while transmitting noise (or something fairly
70 noise like, such as voice) the adaption works very well. If the adaption is
86 noise may dominate and disturb the adaption process. If we can ensure that the
166 /* Parameters for the optional Hoth noise generator */
|