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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/arch/arm64/include/asm/
H A Drsi_smc.h66 * Read measurement for the current Realm.
70 * ret1 == Measurement value, bytes: 0 - 7
71 * ret2 == Measurement value, bytes: 8 - 15
72 * ret3 == Measurement value, bytes: 16 - 23
73 * ret4 == Measurement value, bytes: 24 - 31
74 * ret5 == Measurement value, bytes: 32 - 39
75 * ret6 == Measurement value, bytes: 40 - 47
76 * ret7 == Measurement value, bytes: 48 - 55
77 * ret8 == Measurement value, bytes: 56 - 63
82 * Extend Realm Extensible Measurement (REM) value.
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/linux/drivers/net/wireless/intel/iwlwifi/fw/api/
H A Dlocation.h123 * enum iwl_tof_algo_type - Algorithym type for range measurement request
550 * @measure_type: Measurement type: 0 - two sided, 1 - One sided
552 * number of measurement iterations (min 2^0 = 1, max 2^14)
553 * @burst_period: Recommended value to be sent to the AP. Measurement
568 * use it for its ch est measurement (this flag will be set when we
599 * @IWL_INITIATOR_AP_FLAGS_ASAP: Request for ASAP measurement.
612 * @IWL_INITIATOR_AP_FLAGS_SECURED: request secure LTF measurement
657 * @burst_period: Recommended value to be sent to the AP. Measurement
661 * the number of measurement iterations (min 2^0 = 1, max 2^14)
722 * @burst_period: Recommended value to be sent to the AP. Measurement
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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
/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 list
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H A Dima_kexec.c132 * image for the measurement list for the next kernel.
169 pr_err("Binary measurement list too large.\n"); in ima_add_kexec_buffer()
175 pr_err("Not enough memory for the kexec measurement buffer.\n"); in ima_add_kexec_buffer()
185 pr_err("Error passing over kexec measurement buffer.\n"); in ima_add_kexec_buffer()
196 kexec_dprintk("kexec measurement buffer for the loaded kernel at 0x%lx.\n", in ima_add_kexec_buffer()
201 * Called during kexec execute so that IMA can update the measurement list.
270 * Restore the measurement list from the previous kernel.
284 pr_err("Failed to restore the measurement list: %d\n", in ima_load_kexec_buffer()
290 pr_debug("Restoring the measurement list not supported\n"); in ima_load_kexec_buffer()
293 pr_debug("No measurement list to restore\n"); in ima_load_kexec_buffer()
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H A Dima_api.c90 * to an ordered list of measurement entries maintained inside the kernel,
92 * configured TPM PCR) over the hashes of the current list of measurement
95 * Applications retrieve the current kernel-held measurement list through
98 * and is used to validate the measurement list.
127 * ima_add_violation - add violation to measurement list.
129 * Violations are flagged in the measurement list with zero hash values.
222 * the verity digest to be included in the measurement list. A in ima_get_verity_digest()
232 * ima_collect_measurement - collect file measurement
235 * storing the measurement and i_version in the iint.
261 * measurement rule. in ima_collect_measurement()
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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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H A Dchipcap2.c391 * A measurement requires enabling the device, waiting for the automatic
392 * measurement to finish, reading the measurement data and disabling the device
413 * register must be read and a new measurement must be carried out to trigger
414 * the alarm signals. Given that the device carries out a measurement after
417 * measurement is read.
420 long *hyst, long *measurement) in cc2_read_hyst_and_measure() argument
435 ret = cc2_read_measurement(data, hwmon_humidity, measurement); in cc2_read_hyst_and_measure()
518 long measurement, min_hyst; in cc2_humidity_min_alarm_status() local
522 &measurement); in cc2_humidity_min_alarm_status()
527 *val = (measurement < min_hyst) ? 1 : 0; in cc2_humidity_min_alarm_status()
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/linux/Documentation/devicetree/bindings/display/imx/
H A Dfsl,imx8qxp-dc-axi-performance-counter.yaml10 Performance counters are provided to allow measurement of average bandwidth
13 * Manual and timer controlled measurement mode.
15 * Measurement counters:
16 - GLOBAL_COUNTER for overall measurement time
25 * Outstanding Transfer Counters (OTC) which are used for latency measurement
27 there is no need for latency measurement.
/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/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/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/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/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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/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/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/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/tools/testing/selftests/kvm/lib/x86/
H A Dsev.c106 void sev_vm_launch_measure(struct kvm_vm *vm, uint8_t *measurement) in sev_vm_launch_measure() argument
112 launch_measure.uaddr = (__u64)measurement; in sev_vm_launch_measure()
177 void vm_sev_launch(struct kvm_vm *vm, uint64_t policy, uint8_t *measurement) in vm_sev_launch() argument
193 if (!measurement) in vm_sev_launch()
194 measurement = alloca(256); in vm_sev_launch()
196 sev_vm_launch_measure(vm, measurement); in vm_sev_launch()
/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/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.

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