Searched full:timestamp (Results 1 – 25 of 122) sorted by relevance
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| /Documentation/devicetree/bindings/timestamp/ |
| D | hardware-timestamps-common.yaml | 4 $id: http://devicetree.org/schemas/timestamp/hardware-timestamps-common.yaml#
7 title: Hardware timestamp providers
13 Some devices/SoCs have hardware timestamp engines (HTE) which can use
14 hardware means to timestamp entity in realtime. The entity could be anything
15 from GPIOs, IRQs, Bus and so on. The hardware timestamp engine present
20 pattern: "^timestamp(@.*|-([0-9]|[1-9][0-9]+))?$"
22 "#timestamp-cells":
27 - "#timestamp-cells"
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| D | hte-consumer.yaml | 4 $id: http://devicetree.org/schemas/timestamp/hte-consumer.yaml#
23 timestamp-names:
27 timestamp property.
30 timestamp-names: [ timestamps ]
38 timestamp-names = "hte-gpio", "hte-i2c";
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| D | nvidia,tegra194-hte.yaml | 4 $id: http://devicetree.org/schemas/timestamp/nvidia,tegra194-hte.yaml#
16 timestamp (taken from system counter) in its internal hardware FIFO. It has
48 line/signal that it can enable/configure for the timestamp. It is u32
60 '#timestamp-cells':
72 - "#timestamp-cells"
123 tegra_hte_aon: timestamp@c1e0000 {
128 #timestamp-cells = <1>;
132 tegra_hte_lic: timestamp@3aa0000 {
137 #timestamp-cells = <1>;
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| /Documentation/networking/ |
| D | timestamping.rst | 14 Generates a timestamp for each incoming packet in (not necessarily
15 monotonic) system time. Reports the timestamp via recvmsg() in a
25 timestamp as struct timespec in nsec resolution.
33 Only for multicast:approximate transmit timestamp obtained by
34 reading the looped packet receive timestamp.
38 multiple timestamp sources, including hardware. Supports generating
48 same is true for all early receive timestamp options.
52 Always use SO_TIMESTAMP_NEW timestamp to always get timestamp in
65 Always use SO_TIMESTAMPNS_NEW timestamp to always get timestamp in
74 Supports multiple types of timestamp requests. As a result, this
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| D | oa-tc6-framework.rst | 226 TSC (Bit 7..6) - Timestamp Capture. Request a timestamp capture when the
228 00 - Do not capture a timestamp
229 01 - Capture timestamp into timestamp capture register A
230 10 - Capture timestamp into timestamp capture register B
231 11 - Capture timestamp into timestamp capture register C
309 frame. When a receive timestamp has been added to the
312 timestamp. This field will be zero when SV = 0.
329 RTSA (Bit 7) - Receive Timestamp Added. This bit is set when a 32-bit or
330 64-bit timestamp has been added to the beginning of the
334 RTSP (Bit 6) - Receive Timestamp Parity. Parity bit calculated over the
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| D | xsk-tx-metadata.rst | 48 timestamp into ``tx_timestamp`` field of ``union xsk_tx_metadata``.
75 - ``tx-timestamp``: device supports ``XDP_TXMD_FLAGS_TIMESTAMP``
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| /Documentation/driver-api/hte/ |
| D | tegra-hte.rst | 10 (Legacy Interrupt Controller) IRQ GTE. Both GTE instances get the timestamp
12 converts clock tick rate to nanoseconds before storing it as timestamp value.
23 consumers timestamp requests go through GPIOLIB CDEV framework to HTE
25 ``Documentation/devicetree/bindings/timestamp`` provides an example of how a
32 returns the timestamp in nanoseconds.
38 binding described at ``Documentation/devicetree/bindings/timestamp``
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| D | hte.rst | 14 change; upon detecting the change they can automatically store the timestamp at
40 More on the HTE timestamp data
42 The ``struct hte_ts_data`` is used to pass timestamp details between the
43 consumers and the providers. It expresses timestamp data in nanoseconds in
44 u64. An example of the typical timestamp data life cycle, for the GPIO line is
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| /Documentation/sound/designs/ |
| D | timestamping.rst | 17 - tstamp is the current system timestamp updated during the last
75 audio_tstamp_config fields, thus get an estimate of the timestamp
85 timestamp will report the DMA time based on the hw_pointer value.
88 provide timestamp selection, with a zero-valued COMPAT timestamp type
92 The audio timestamp accuracy can be returned to user-space, so that
110 - including the delay in the audio timestamp may
127 The ALSA API only allows for a single audio timestamp to be reported
132 timestamp is reported. Applications that need different timestamps
136 In some hardware-specific configuration, the system timestamp is
142 timestamp shows when the information is put together by the driver
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| /Documentation/devicetree/bindings/net/ |
| D | ti,k3-am654-cpts.yaml | 19 - 64-bit timestamp mode in ns with PPM and nudge adjustment.
20 - hardware timestamp push inputs (HWx_TS_PUSH)
21 - timestamp counter compare output (TS_COMP)
22 - timestamp counter bit output (TS_SYNC)
25 - external hardware timestamp push inputs (HWx_TS_PUSH) timestamping
88 Number of hardware timestamp push inputs (HWx_TS_PUSH)
94 Number of timestamp Generator function outputs (TS_GENFx)
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| /Documentation/ABI/testing/ |
| D | sysfs-bus-coresight-devices-tpdm | 41 (RW) Set/Get the trigger timestamp of the DSB for tpdm.
147 (Write) Set the pattern timestamp of DSB tpdm. Read
148 the pattern timestamp of DSB tpdm.
151 0 : Disable DSB pattern timestamp.
152 1 : Enable DSB pattern timestamp.
223 (Write) Set the pattern timestamp of CMB tpdm. Read
224 the pattern timestamp of CMB tpdm.
227 0 : Disable CMB pattern timestamp.
228 1 : Enable CMB pattern timestamp.
235 (RW) Set/Get the trigger timestamp of the CMB for tpdm.
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| D | configfs-stp-policy-p_sys-t | 27 Time interval in milliseconds. Include a timestamp in the
30 the default and stands for "never send the timestamp".
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| D | sysfs-driver-panfrost-profiling | 10 timestamp and cycle counter registers.
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| /Documentation/driver-api/iio/ |
| D | triggered-buffers.rst | 26 pf->timestamp = iio_get_time_ns((struct indio_dev *)p);
39 iio_push_to_buffers_with_timestamp(indio_dev, buf, timestamp);
59 timestamp and for this reason one can use the IIO core defined
64 stores it in the internal buffer together with the timestamp recorded in the
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| /Documentation/userspace-api/media/v4l/ |
| D | buffer.rst | 25 part of the frame and with which clock the timestamp is taken. Please
32 ``V4L2_BUF_FLAG_TIMESTAMP_COPY`` timestamp type which is used by e.g. on
33 mem-to-mem devices is an exception to the rule: the timestamp source
203 - ``timestamp``
209 ``timestamp`` field. This permits applications to monitor the
212 in the timestamp which will be copied by the driver to the capture
222 independent of the ``timestamp`` and ``sequence`` fields.
589 'held'). If the timestamp of this output buffer differs from that
610 * .. _`V4L2-BUF-FLAG-TIMESTAMP-MASK`:
614 - Mask for timestamp types below. To test the timestamp type, mask
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| D | metafmt-uvc.rst | 39 - system timestamp in host byte order, measured by the driver upon
43 close as possible to the above timestamp to enable correlation between
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| /Documentation/trace/ |
| D | mmiotrace.rst | 152 read event R width, timestamp, map id, physical, value, PC, PID
153 write event W width, timestamp, map id, physical, value, PC, PID
154 ioremap event MAP timestamp, map id, physical, virtual, length, PC, PID
155 iounmap event UNMAP timestamp, map id, PC, PID
156 marker MARK timestamp, text
160 unk. opcode UNKNOWN timestamp, map id, physical, data, PC, PID
162 Timestamp is in seconds with decimals. Physical is a PCI bus address, virtual
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| D | sys-t.rst | 9 provides better trace source identification and timestamp correlation.
57 timestamp in a message header or send a CLOCKSYNC packet, respectively.
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| /Documentation/security/ |
| D | digsig.rst | 31 time_t timestamp; /* key made, always 0 for now */
39 time_t timestamp; /* signature made */
50 It protects timestamp from been changed and can be used for rollback
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| /Documentation/trace/postprocess/ |
| D | trace-vmscan-postprocess.pl | 257 # Convert sec.usec timestamp format
259 my $timestamp = $_[0];
261 my ($sec, $usec) = split (/\./, $timestamp);
269 my $timestamp;
279 $timestamp = $4;
304 $timestamp = timestamp_to_ms($timestamp);
306 $perprocesspid{$process_pid}->{STATE_DIRECT_BEGIN} = $timestamp;
325 $timestamp = timestamp_to_ms($timestamp);
327 my $latency = ($timestamp - $perprocesspid{$process_pid}->{STATE_DIRECT_BEGIN});
342 $timestamp = timestamp_to_ms($timestamp);
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| /Documentation/kbuild/ |
| D | reproducible-builds.rst | 30 By default the timestamp is the current time and in the case of
37 code that does use these, you must override the timestamp they
132 .. _KBUILD_BUILD_TIMESTAMP: kbuild.html#kbuild-build-timestamp
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| /Documentation/userspace-api/gpio/ |
| D | gpio-lineevent-data-read.rst | 56 The source of the clock for :c:type:`event.timestamp<gpioevent_data>` is
60 version or sanity checks on the timestamp itself.
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| /Documentation/hwmon/ |
| D | fam15h_power.rst | 73 performance timestamp counter
87 the value of performance timestamp counter which is indicated
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| /Documentation/driver-api/ |
| D | pps.rst | 34 case when a new pulse arrives the system must apply to it a timestamp
127 where "ts" is the event's timestamp.
152 Inside each "assert" and "clear" file you can find the timestamp and a
158 Where before the "#" is the timestamp in seconds; after it is the
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| /Documentation/admin-guide/ |
| D | lockup-watchdogs.rst | 51 timestamp every time it is scheduled. If that timestamp is not updated
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