| /Linux-v5.15/Documentation/trace/ |
| D | osnoise-tracer.rst | 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.
82 - The NOISE IN US reports the sum of noise in microseconds observed
86 - The MAX SINGLE NOISE IN US reports the maximum single noise observed
[all …]
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| /Linux-v5.15/drivers/staging/rtl8723bs/hal/ |
| D | odm_NoiseMonitor.c | 106 pDM_Odm->noise_level.noise[RF_PATH_A] = -110 + reg_c50 + noise_data.sum[RF_PATH_A]; in odm_InbandNoise_Monitor_NSeries()
107 pDM_Odm->noise_level.noise_all += pDM_Odm->noise_level.noise[RF_PATH_A]; in odm_InbandNoise_Monitor_NSeries()
112 pDM_Odm->noise_level.noise[RF_PATH_B] = -110 + reg_c58 + noise_data.sum[RF_PATH_B]; in odm_InbandNoise_Monitor_NSeries()
113 pDM_Odm->noise_level.noise_all += pDM_Odm->noise_level.noise[RF_PATH_B]; in odm_InbandNoise_Monitor_NSeries()
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| D | odm_NoiseMonitor.h | 28 s8 noise[MAX_RF_PATH]; member
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| /Linux-v5.15/drivers/net/wireless/ath/ |
| D | spectral_common.h | 57 s8 noise; member
101 __be16 noise; member
125 __be32 noise; member
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| /Linux-v5.15/drivers/media/dvb-frontends/ |
| D | lgdt330x.c | 496 u32 noise; /* noise value */ in lgdt3302_read_snr() local
505 noise = ((buf[0] & 7) << 16) | (buf[1] << 8) | buf[2]; in lgdt3302_read_snr()
510 noise = ((buf[0] & 7 << 3) << 13) | (buf[3] << 8) | buf[4]; in lgdt3302_read_snr()
517 noise = ((buf[0] & 3) << 8) | buf[1]; in lgdt3302_read_snr()
531 state->snr = calculate_snr(noise, c); in lgdt3302_read_snr()
533 dprintk(state, "noise = 0x%08x, snr = %d.%02d dB\n", noise, in lgdt3302_read_snr()
543 u32 noise; /* noise value */ in lgdt3303_read_snr() local
552 noise = ((buf[0] & 0x78) << 13) | (buf[1] << 8) | buf[2]; in lgdt3303_read_snr()
557 noise = ((buf[0] & 7) << 16) | (buf[3] << 8) | buf[4]; in lgdt3303_read_snr()
564 noise = (buf[0] << 8) | buf[1]; in lgdt3303_read_snr()
[all …]
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| D | or51132.c | 461 int noise, reg; in or51132_read_snr() local
467 noise = or51132_readreg(state, 0x02); in or51132_read_snr()
468 if (noise < 0) { in or51132_read_snr()
472 dprintk("read_snr noise (%d)\n", noise); in or51132_read_snr()
501 state->snr = calculate_snr(noise, c) - usK; in or51132_read_snr()
504 dprintk("%s: noise = 0x%08x, snr = %d.%02d dB\n", __func__, noise, in or51132_read_snr()
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| D | lgdt3305.c | 986 u32 noise; /* noise value */ in lgdt3305_read_snr() local
994 noise = ((read_reg(state, LGDT3305_PT_MSE_1) & 0x07) << 16) | in lgdt3305_read_snr()
1001 noise = ((read_reg(state, LGDT3305_EQ_MSE_1) & 0x0f) << 16) | in lgdt3305_read_snr()
1009 noise = (read_reg(state, LGDT3305_CR_MSE_1) << 8) | in lgdt3305_read_snr()
1019 state->snr = calculate_snr(noise, c); in lgdt3305_read_snr()
1022 lg_dbg("noise = 0x%08x, snr = %d.%02d dB\n", noise, in lgdt3305_read_snr()
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| /Linux-v5.15/tools/testing/selftests/bpf/progs/ |
| D | tailcall_bpf2bpf4.c | 20 int noise = 0; variable
33 if (noise) in subprog_tail_2()
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| /Linux-v5.15/kernel/trace/ |
| D | trace_osnoise.c | 199 u64 noise; /* noise */ member
341 entry->noise = sample->noise; in trace_osnoise_sample()
1102 s64 noise = 0, max_noise = 0; in run_osnoise() local
1155 noise = time_sub(sample, last_sample); in run_osnoise()
1160 if (noise < 0) { in run_osnoise()
1180 if (noise >= threshold) { in run_osnoise()
1183 if (noise > max_noise) in run_osnoise()
1184 max_noise = noise; in run_osnoise()
1189 sum_noise += noise; in run_osnoise()
1191 trace_sample_threshold(last_sample, noise, interference); in run_osnoise()
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| /Linux-v5.15/Documentation/userspace-api/media/dvb/ |
| D | fe-read-snr.rst | 31 The signal-to-noise ratio is stored into \*snr.
36 This ioctl call returns the signal-to-noise ratio for the signal
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| /Linux-v5.15/Documentation/sound/soc/ |
| D | pops-clicks.rst | 8 powered up and causes a popping noise on the speakers).
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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| /Linux-v5.15/drivers/media/pci/cx88/ |
| D | cx88-dsp.c | 159 s32 carrier, stereo, dual, noise; in detect_a2_a2m_eiaj() local
189 noise = noise_magnitude(x, N, FREQ_NOISE_START, FREQ_NOISE_END); in detect_a2_a2m_eiaj()
193 carrier, stereo, dual, noise); in detect_a2_a2m_eiaj()
216 (noise < 10) && in detect_a2_a2m_eiaj()
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| /Linux-v5.15/Documentation/devicetree/bindings/input/touchscreen/ |
| D | tsc2007.txt | 16 If set, it will permit noise in the data up to +- the value given to the fuzz
17 parameter, that is used to filter noise from the event stream.
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| D | brcm,iproc-touchscreen.txt | 55 - touchscreen-fuzz-x: horizontal noise value of the absolute input
57 - touchscreen-fuzz-y: vertical noise value of the absolute input
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| /Linux-v5.15/drivers/staging/wlan-ng/ |
| D | p80211conv.c | 245 wlandev->spy_stat[i].noise = rxmeta->noise; in orinoco_spy_gather()
248 rxmeta->noise) ? (rxmeta->signal - in orinoco_spy_gather()
249 rxmeta->noise) : 0; in orinoco_spy_gather()
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| D | p80211metastruct.h | 93 struct p80211item_uint32 noise; member
212 struct p80211item_uint32 noise; member
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| /Linux-v5.15/drivers/net/wireless/intersil/orinoco/ |
| D | hermes.h | 263 __le16 noise; /* Noise level */ member
279 __le16 noise; /* Noise level */ member
293 __le16 noise; /* Noise level */ member
320 u8 noise; member
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| /Linux-v5.15/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()
438 ah->noise = ath9k_hw_getchan_noise(ah, chan, chan->noisefloor); in ath9k_hw_getnf()
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| /Linux-v5.15/Documentation/sound/designs/ |
| D | powersave.rst | 34 Note that you might hear click noise/pop when changing the power
42 consumption, but might result in longer wake-up time and click noise.
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| /Linux-v5.15/drivers/net/wireless/realtek/rtl818x/rtl8187/ |
| D | rtl8187.h | 46 u8 noise; member
136 u8 noise; member
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| /Linux-v5.15/drivers/net/wireguard/ |
| D | Makefile | 4 wireguard-y += noise.o
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| /Linux-v5.15/Documentation/ABI/testing/ |
| D | sysfs-bus-iio-proximity-as3935 | 14 When 1 the noise level is over the trip level and not reporting
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| /Linux-v5.15/fs/jffs2/ |
| D | scan.c | 27 #define noisy_printk(noise, fmt, ...) \ argument
29 if (*(noise)) { \
31 (*(noise))--; \
32 if (!(*(noise))) \
450 int noise = 0; in jffs2_scan_eraseblock() local
608 noise = 10; in jffs2_scan_eraseblock()
747 noisy_printk(&noise, "%s(): Magic bitmask 0x%04x not found at 0x%08x: 0x%04x instead\n", in jffs2_scan_eraseblock()
763 …noisy_printk(&noise, "%s(): Node at 0x%08x {0x%04x, 0x%04x, 0x%08x) has invalid CRC 0x%08x (calcul… in jffs2_scan_eraseblock()
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| /Linux-v5.15/drivers/net/wireless/intersil/hostap/ |
| D | hostap_80211_rx.c | 31 name, rx_stats->signal, rx_stats->noise, rx_stats->rate, in hostap_dump_rx_80211()
149 LWNG_SETVAL(noise, 7, 0, 4, rx_stats->noise); in prism2_rx_80211()
169 hdr->ssi_noise = htonl(rx_stats->noise); in prism2_rx_80211()
189 hdr->dbm_antnoise = rx_stats->noise; in prism2_rx_80211()
766 wstats.noise = rx_stats->noise; in hostap_80211_rx()
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| /Linux-v5.15/Documentation/input/devices/ |
| D | appletouch.rst | 72 noise when the temperature changes. This is especially true when you power-on
75 The appletouch driver tries to handle this noise and auto adapt itself, but it
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