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/linux/Documentation/userspace-api/media/dvb/
H A Dfrontend-stat-properties.rst64 measurement was not complete yet.
70 measurement for power (actually, 0 to 65535).
83 measurement was not complete yet.
88 measurement for Signal/Noise (actually, 0 to 65535).
103 In order to get the BER (Bit Error Rate) measurement, it should be
107 This measurement is monotonically increased, as the frontend gets more
114 measurement was not complete yet.
128 measurement was taken.
130 It should be noted that this measurement can be smaller than the total
132 manually restart the measurement, losing some data between each
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/linux/Documentation/hwmon/
H A Dadm9240.rst52 microprocessor-based systems, providing measurement and limit comparison
59 measurement.
68 The measurement cycle
70 The adm9240 driver will take a measurement reading no faster than once
72 measurement update rate and will receive cached data from the most
73 recent measurement.
75 ADM9240 has a very fast 320us temperature and voltage measurement cycle
76 with independent fan speed measurement cycles counting alternating rising
79 DS1780 measurement cycle is about once per second including fan speed.
81 LM81 measurement cycle is about once per 400ms including fan speed.
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H A Dsht3x.rst53 2000 0.5 Hz periodic measurement
54 1000 1 Hz periodic measurement
55 500 2 Hz periodic measurement
56 250 4 Hz periodic measurement
57 100 10 Hz periodic measurement
60 In the periodic measure mode, the sensor automatically triggers a measurement
96 for periodic measurement. If the interval is not supported
99 longer measurement duration, lower noise level and
H A Dda9052.rst26 Channel 0 VDDOUT - measurement of the system voltage
27 Channel 1 ICH - internal battery charger current measurement
29 Channel 3 VBAT - measurement of the battery voltage
36 Channel 9 VBBAT - measurement of the backup battery voltage
/linux/security/integrity/ima/
H A DKconfig2 # IBM Integrity Measurement Architecture
5 bool "Integrity Measurement Architecture(IMA)"
19 Measurement Architecture(IMA) maintains a list of hash
36 bool "Enable carrying the IMA measurement list across a soft boot"
41 a TPM's quote after a soft boot, the IMA measurement list of the
44 Depending on the IMA policy, the measurement list can grow to
54 measurement list. If unsure, use the default 10.
67 Select the default IMA measurement template.
69 The original 'ima' measurement list template contains a
71 limited to 255 characters. The 'ima-ng' measurement lis
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/linux/drivers/hwmon/
H A Dhih6130.c28 * @lock: mutex to protect measurement values
29 * @valid: only false before first measurement is taken
31 * @temperature: cached temperature measurement value
32 * @humidity: cached humidity measurement value
33 * @write_length: length for I2C measurement request
100 * While the measurement can be completed in ~40ms the sensor takes in hih6130_update_measurements()
113 * Write to slave address to request a measurement. in hih6130_update_measurements()
124 /* measurement cycle time is ~36.65msec */ in hih6130_update_measurements()
132 dev_err(&client->dev, "Error while reading measurement result\n"); in hih6130_update_measurements()
153 * hih6130_temperature_show() - show temperature measurement value in sysfs
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/linux/drivers/s390/cio/
H A Dcmf.c3 * Linux on zSeries Channel Measurement Facility support
63 * enum cmb_format - types of supported measurement block formats
65 * @CMF_BASIC: traditional channel measurement blocks supported
80 * format - actual format for all measurement blocks
93 * one instance of struct cmb_operations because the format of the measurement
96 * @alloc: allocate memory for a channel measurement block,
99 * @set: enable or disable measurement
100 * @read: read a measurement entry at an index
101 * @readall: read a measurement block in a common format
102 * @reset: clear the data in the associated measurement block and
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/linux/Documentation/misc-devices/
H A Dbh1770glc.rst46 so that measurement produces about the expected lux value.
71 RW - measurement rate in Hz
74 RO - supported measurement rates
119 RW - Measurement rate (in Hz) when the level is above threshold
123 RW - Measurement rate (in Hz) when the level is below threshold
127 RO - Supported proximity measurement rates in Hz
H A Dapds990x.rst20 functionality are highly connected. ALS measurement path must be running
23 ALS produces raw measurement values for two channels: Clear channel
35 selects suitable gain step. After each measurement, reliability of the results
36 is estimated and new measurement is triggered if necessary.
72 RW - measurement rate in Hz
75 RO - supported measurement rates
/linux/arch/s390/include/uapi/asm/
H A Dcmb.h8 * struct cmbdata - channel measurement block data for user space
26 * the extended channel measurement facility (first shipped in
47 /* enable channel measurement */
49 /* enable channel measurement */
51 /* read channel measurement data */
/linux/drivers/iio/chemical/
H A Dscd30.h15 /* start continuous measurement with pressure compensation */
17 /* stop continuous measurement */
19 /* set/get measurement interval */
21 /* check whether new measurement is ready */
23 /* get measurement */
H A Dscd4x.c104 * Measurement needs to be stopped before sending commands. in scd4x_send_command()
113 /* execution time for stopping measurement */ in scd4x_send_command()
141 * Measurement needs to be stopped before sending commands. in scd4x_read()
142 * Except for reading measurement and data ready command. in scd4x_read()
150 /* execution time for stopping measurement */ in scd4x_read()
173 /* start measurement */ in scd4x_read()
196 /* measurement needs to be stopped before sending commands */ in scd4x_write()
210 /* start measurement, except for forced calibration command */ in scd4x_write()
263 * on error try to start the measurement, in scd4x_write_and_fetch()
264 * puts sensor back into continuous measurement in scd4x_write_and_fetch()
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/linux/drivers/s390/char/
H A Duvdevice.c111 u8 *measurement, u8 *add_data, in uvio_copy_attest_result_to_user() argument
120 if (copy_to_user(user_buf_meas, measurement, uvio_attest->meas_len)) in uvio_copy_attest_result_to_user()
154 * uvio_attestation() - Perform a Retrieve Attestation Measurement UVC.
158 * uvio_attestation() does a Retrieve Attestation Measurement Ultravisor Call.
166 * Measurement and Additional Data are outputs for userspace generated by UV.
170 * going to be included in the Attestation Measurement calculation.
172 * Measurement is a cryptographic measurement of the callers properties,
174 * ARCB, UV will add some Additional Data to the measurement calculation.
177 * If the Retrieve Attestation Measurement UV facility is not present,
189 u8 *measurement = NULL; in uvio_attestation() local
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/linux/lib/
H A Ddhry.h29 * - strcpy, strcmp (inside the measurement loop)
30 * - printf, scanf (outside the measurement loop)
32 * are used for execution time measurement. For measurements
53 * compiler; Dhrystone itself performs no OS calls in the measurement loop.
91 * Inside the measurement loop, this version follows the
95 * but within the measurement loop only in branches that
97 * should be prevented from moving code out of the measurement
99 * that are executed within the measurement loop have NOT been
107 * measurement loop overhead in a correct way, the loop check
112 * All changes within the measurement loop are described
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/linux/include/linux/
H A Dwm97xx.h38 #define WM97XX_POLL 0x8000 /* initiate a polling measurement */
39 #define WM97XX_ADCSEL_X 0x1000 /* x coord measurement */
40 #define WM97XX_ADCSEL_Y 0x2000 /* y coord measurement */
41 #define WM97XX_ADCSEL_PRES 0x3000 /* pressure measurement */
74 #define WM9712_PIL 0x0100 /* current used for pressure measurement. set 400uA else 200uA */
91 #define WM9705_PIL 0x0080 /* current used for pressure measurement. set 400uA else 200uA */
101 #define WM9713_POLL 0x0200 /* initiate a polling measurement */
103 #define WM9713_ADCSEL_X 0x0002 /* X measurement */
104 #define WM9713_ADCSEL_Y 0x0004 /* Y measurement */
105 #define WM9713_ADCSEL_PRES 0x0008 /* Pressure measurement */
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H A Dtsm-mr.h9 * struct tsm_measurement_register - describes an architectural measurement
18 * tsm_measurements to detail the measurement facility supported by the
55 * struct tsm_measurements - defines the CC architecture specific measurement
56 * facility and methods for updating measurement registers (MRs)
/linux/Documentation/admin-guide/device-mapper/
H A Ddm-ima.rst52 Then IMA ASCII measurement log has the following format:
83 | The Kernel configuration CONFIG_IMA_DISABLE_HTABLE allows measurement of duplicate records.
103 The IMA measurement log has the following format for 'dm_table_load':
156 Then IMA ASCII measurement log will have the following entry:
173 The IMA measurement log has the following format for 'dm_device_resume':
197 then IMA ASCII measurement log will have an entry with:
211 The IMA measurement log has the following format for 'dm_device_remove':
235 then IMA ASCII measurement log will have the following entry:
252 The IMA measurement log has the following format for 'dm_table_clear':
269 then IMA ASCII measurement log will have an entry with:
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/linux/tools/power/x86/turbostat/
H A Dturbostat.852 'delta' shows the difference in values during the measurement interval.
73 'delta' shows the difference in values during the measurement interval.
114 \fB--interval seconds\fP overrides the default 5.0 second measurement interval.
116 \fB--num_iterations num\fP number of the measurement iterations.
142 …day(2) value (seconds.subsec since Epoch) when the counters ending the measurement interval were c…
152 \fBBusy%\fP percent of the measurement interval that the CPU executes instructions, aka. % of time …
158 \fBIRQ\fP The number of interrupts serviced by that CPU during the measurement interval. The syste…
160 \fBSMI\fP The number of System Management Interrupts serviced CPU during the measurement interval.…
162 … The number times Linux requested the C1, C2, C3 idle state during the measurement interval. The …
164 … the number times Linux requested the C1, C2, C3 idle state during the measurement interval, but s…
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/linux/Documentation/input/devices/
H A Dcma3000_d0x.rst17 CMA3000 Tri-axis accelerometer supports Motion detect, Measurement and
24 Measurement Mode:
112 1: 100 Hz Measurement mode
113 2: 400 Hz Measurement mode
114 3: 40 Hz Measurement mode
/linux/Documentation/devicetree/bindings/iio/magnetometer/
H A Dti,tmag5273.yaml19 on-axis and off-axis angle measurement topologies. The angle calculation is
32 ti,angle-measurement:
35 Enables angle measurement in the selected plane.
71 ti,angle-measurement = "x-z";
/linux/drivers/iio/humidity/
H A Dhdc2010.c133 dev_err(&client->dev, "Could not read sensor measurement word\n"); in hdc2010_get_prim_measurement_word()
148 dev_err(&client->dev, "Could not read sensor measurement byte\n"); in hdc2010_get_peak_measurement_byte()
283 /* Enable Automatic Measurement Mode at 5Hz */ in hdc2010_probe()
289 * We enable both temp and humidity measurement. in hdc2010_probe()
290 * However the measurement won't start even in AMM until triggered. in hdc2010_probe()
297 dev_warn(&client->dev, "Unable to set up measurement\n"); in hdc2010_probe()
315 /* Disable Automatic Measurement Mode */ in hdc2010_remove()
/linux/Documentation/ABI/testing/
H A Dsysfs-devices-virtual-misc-tdx_guest6 Value of a TDX measurement register (MR). MRNAME and HASH above
17 https://docs.kernel.org/driver-api/coco/measurement-registers.html
51 (RO) MRTD - Measurement of the initial contents of the TD.
58 (RW) RTMR[0123] - 4 Run-Time extendable Measurement Registers.
/linux/Documentation/virt/kvm/x86/
H A Damd-memory-encryption.rst163 calculates a measurement of the memory contents. The measurement is a signature
183 The KVM_SEV_LAUNCH_MEASURE command is used to retrieve the measurement of the
186 measurement. Since the guest owner knows the initial contents of the guest at
187 boot, the measurement can be verified by comparing it to what the guest owner
190 If len is zero on entry, the measurement blob length is written to len and
200 __u64 uaddr; /* where to copy the measurement */
201 __u32 len; /* length of measurement blob */
204 For more details on the measurement verification flow, see SEV spec Section 6.4.
289 data after the measurement has been validated by the guest owner.
316 If len is zero on entry, the measurement blob length is written to len and
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/linux/drivers/crypto/intel/qat/qat_common/
H A Dadf_clock.c107 * If the measurement result will go beyond the min/max thresholds the value
111 * timestamp. So we can't expect too high accuracy from this measurement.
114 * * 0 - measurement succeed
115 * * -ETIMEDOUT - measurement failed
/linux/Documentation/security/
H A DIMA-templates.rst26 which information should be included in the measurement list; a template
32 measurement entries. Defining a new template descriptor requires
41 mechanism) to generate a new measurement entry by using the template
48 (pointer to allocated data and data length) in the measurement entry structure.
103 To specify the template descriptor to be used to generate measurement entries,

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