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/Linux-v5.10/fs/ext4/
Dinode-test.c14 * For constructing the nonnegative timestamp lower bound value.
19 * For constructing the nonnegative timestamp upper bound value.
25 * For constructing the negative timestamp lower bound value.
30 * For constructing the negative timestamp upper bound value.
43 "1901-12-13 Lower bound of 32bit < 0 timestamp, no extra bits"
45 "1969-12-31 Upper bound of 32bit < 0 timestamp, no extra bits"
47 "1970-01-01 Lower bound of 32bit >=0 timestamp, no extra bits"
49 "2038-01-19 Upper bound of 32bit >=0 timestamp, no extra bits"
51 "2038-01-19 Lower bound of 32bit <0 timestamp, lo extra sec bit on"
53 "2106-02-07 Upper bound of 32bit <0 timestamp, lo extra sec bit on"
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/Linux-v5.10/tools/perf/util/
Dordered-events.c21 u64 timestamp = new->timestamp; in queue_event() local
27 pr_oe_time2(timestamp, "queue_event nr_events %u\n", oe->nr_events); in queue_event()
31 oe->max_timestamp = timestamp; in queue_event()
40 if (last->timestamp <= timestamp) { in queue_event()
41 while (last->timestamp <= timestamp) { in queue_event()
45 oe->max_timestamp = timestamp; in queue_event()
52 while (last->timestamp > timestamp) { in queue_event()
172 ordered_events__new_event(struct ordered_events *oe, u64 timestamp, in ordered_events__new_event() argument
179 new->timestamp = timestamp; in ordered_events__new_event()
195 u64 timestamp, u64 file_offset) in ordered_events__queue() argument
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Dtime-utils.c419 bool perf_time__skip_sample(struct perf_time_interval *ptime, u64 timestamp) in perf_time__skip_sample() argument
422 if (timestamp == 0) in perf_time__skip_sample()
426 if ((ptime->start && timestamp < ptime->start) || in perf_time__skip_sample()
427 (ptime->end && timestamp > ptime->end)) { in perf_time__skip_sample()
435 int num, u64 timestamp) in perf_time__ranges_skip_sample() argument
440 if ((!ptime_buf) || (timestamp == 0) || (num == 0)) in perf_time__ranges_skip_sample()
444 return perf_time__skip_sample(&ptime_buf[0], timestamp); in perf_time__ranges_skip_sample()
452 if (timestamp >= ptime->start && in perf_time__ranges_skip_sample()
453 (timestamp <= ptime->end || !ptime->end)) { in perf_time__ranges_skip_sample()
480 "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n"); in perf_time__parse_for_ranges_reltime()
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/Linux-v5.10/drivers/iio/imu/inv_mpu6050/
Dinv_mpu_ring.c22 * @timestamp: the interrupt timestamp
26 * to choose the data timestamp to come.
29 s64 timestamp, size_t nb) in inv_mpu6050_update_period() argument
31 /* Period boundaries for accepting timestamp */ in inv_mpu6050_update_period()
45 * Validate the use of it timestamp by checking if interrupt in inv_mpu6050_update_period()
51 delta = div_s64(timestamp - st->it_timestamp, divider); in inv_mpu6050_update_period()
53 /* update chip period and use it timestamp */ in inv_mpu6050_update_period()
62 * compute timestamp corresponding to the first sample using in inv_mpu6050_update_period()
66 st->data_timestamp = timestamp - interval; in inv_mpu6050_update_period()
69 /* save it timestamp */ in inv_mpu6050_update_period()
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/Linux-v5.10/Documentation/networking/
Dtimestamping.rst14 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
64 Always use SO_TIMESTAMPNS_NEW timestamp to always get timestamp in
73 Supports multiple types of timestamp requests. As a result, this
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/Linux-v5.10/tools/perf/util/intel-pt-decoder/
Dintel-pt-decoder.c122 uint64_t timestamp; member
272 * A TSC packet can slip past MTC packets so that the timestamp appears in intel_pt_decoder_new()
279 intel_pt_log("timestamp: mtc_shift %u\n", decoder->mtc_shift); in intel_pt_decoder_new()
280 intel_pt_log("timestamp: tsc_ctc_ratio_n %u\n", decoder->tsc_ctc_ratio_n); in intel_pt_decoder_new()
281 intel_pt_log("timestamp: tsc_ctc_ratio_d %u\n", decoder->tsc_ctc_ratio_d); in intel_pt_decoder_new()
282 intel_pt_log("timestamp: tsc_ctc_mult %u\n", decoder->tsc_ctc_mult); in intel_pt_decoder_new()
283 intel_pt_log("timestamp: tsc_slip %#x\n", decoder->tsc_slip); in intel_pt_decoder_new()
500 decoder->sample_timestamp = decoder->timestamp; in intel_pt_update_sample_time()
508 decoder->timestamp = 0; in intel_pt_reposition()
534 intel_pt_log("Reference timestamp 0x%" PRIx64 "\n", in intel_pt_get_data()
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/Linux-v5.10/include/linux/platform_data/
Dcros_ec_sensorhub.h32 * @timestamp: Timestamp in host timespace when the sample was acquired by
37 s64 timestamp);
54 s64 timestamp; member
67 * struct cros_ec_sensors_ts_filter_state - Timestamp filetr state.
78 * @median_error: final error to apply to AP interrupt timestamp to get the
79 * "true timestamp" the event occurred.
98 * @penul_ts: last but one batch timestamp (penultimate timestamp).
99 * Used for timestamp spreading calculations
104 * @newest_sensor_event: Last sensor timestamp.
126 * @fifo_timestamp: Array for event timestamp and spreading.
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/Linux-v5.10/drivers/net/phy/
Ddp83640_reg.h20 #define PTP_TXTS 0x001c /* PTP Transmit Timestamp Register, in four 16-bit reads */
21 #define PTP_RXTS 0x001d /* PTP Receive Timestamp Register, in six? 16-bit reads */
71 #define TXTS_RDY (1<<11) /* Transmit Timestamp Ready */
72 #define RXTS_RDY (1<<10) /* Receive Timestamp Ready */
74 #define EVENT_RDY (1<<8) /* PTP Event Timestamp Ready */
75 #define TXTS_IE (1<<3) /* Transmit Timestamp Interrupt Enable */
76 #define RXTS_IE (1<<2) /* Receive Timestamp Interrupt Enable */
107 #define EVNT_TS_LEN_SHIFT (6) /* Indicates length of the Timestamp field in 16-bit word…
110 #define EVNT_NUM_SHIFT (2) /* Indicates Event Timestamp Unit which detected an event…
156 #define SYNC_1STEP (1<<15) /* insert timestamp into transmit Sync Messages */
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/Linux-v5.10/drivers/iio/imu/inv_icm42600/
Dinv_icm42600_timestamp.h36 * struct inv_icm42600_timestamp - timestamp management states
38 * @timestamp: store last timestamp for computing next data timestamp
46 int64_t timestamp; member
63 size_t sensor_nb, int64_t timestamp);
68 ts->timestamp += ts->period; in inv_icm42600_timestamp_pop()
69 return ts->timestamp; in inv_icm42600_timestamp_pop()
82 ts->timestamp = 0; in inv_icm42600_timestamp_reset()
Dinv_icm42600_timestamp.c63 /* enable timestamp register */ in inv_icm42600_timestamp_setup()
113 size_t sensor_nb, int64_t timestamp) in inv_icm42600_timestamp_interrupt() argument
125 /* update interrupt timestamp and compute chip and sensor periods */ in inv_icm42600_timestamp_interrupt()
128 it->up = timestamp; in inv_icm42600_timestamp_interrupt()
140 if (ts->timestamp == 0) { in inv_icm42600_timestamp_interrupt()
143 ts->timestamp = it->up - interval; in inv_icm42600_timestamp_interrupt()
147 /* if interrupt interval is valid, sync with interrupt timestamp */ in inv_icm42600_timestamp_interrupt()
152 delta = it->lo - ts->timestamp; in inv_icm42600_timestamp_interrupt()
162 ts->timestamp += delta; in inv_icm42600_timestamp_interrupt()
184 * timestamp from the current interrupt using the new FIFO period, the in inv_icm42600_timestamp_apply_odr()
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/Linux-v5.10/drivers/platform/chrome/
Dcros_ec_sensorhub_ring.c55 return cb(indio_dev, sample->vector, sample->timestamp); in cros_sensorhub_send_sample()
163 * IRQ Timestamp Filtering
166 * we have to calculate it's timestamp in the AP timebase. There are 3 time
215 * @b: IRQ timestamp, EC timebase (us)
216 * @c: IRQ timestamp, AP timebase (ns)
218 * Given a new IRQ timestamp pair (EC and AP timebases), add it to the filter
297 * cros_ec_sensor_ring_ts_filter() - Translate EC timebase timestamp to AP
301 * @x: any ec timestamp (us):
303 * cros_ec_sensor_ring_ts_filter(a) => a' event timestamp, AP timebase
304 * cros_ec_sensor_ring_ts_filter(b) => calculated timestamp when the EC IRQ
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/Linux-v5.10/drivers/net/ethernet/stmicro/stmmac/
Dstmmac_ptp.h19 #define PTP_TCR 0x00 /* Timestamp Control Reg */
25 #define PTP_TAR 0x18 /* Timestamp Addend Reg */
31 /* PTP Timestamp control register defines */
32 #define PTP_TCR_TSENA BIT(0) /* Timestamp Enable */
33 #define PTP_TCR_TSCFUPDT BIT(1) /* Timestamp Fine/Coarse Update */
34 #define PTP_TCR_TSINIT BIT(2) /* Timestamp Initialize */
35 #define PTP_TCR_TSUPDT BIT(3) /* Timestamp Update */
36 #define PTP_TCR_TSTRIG BIT(4) /* Timestamp Interrupt Trigger Enable */
38 #define PTP_TCR_TSENALL BIT(8) /* Enable Timestamp for All Frames */
48 /* Enable Timestamp Snapshot for Event Messages */
/Linux-v5.10/arch/alpha/kernel/
Derr_common.c91 union el_timestamp timestamp; in el_process_header_subpacket() local
109 timestamp.as_int = 0; in el_process_header_subpacket()
116 timestamp = header->by_type.sys_event.timestamp; in el_process_header_subpacket()
123 timestamp = header->by_type.err_halt.timestamp; in el_process_header_subpacket()
129 timestamp.as_int = 0; in el_process_header_subpacket()
143 el_print_timestamp(&timestamp); in el_process_header_subpacket()
169 el_print_timestamp(union el_timestamp *timestamp) in el_print_timestamp() argument
171 if (timestamp->as_int) in el_print_timestamp()
172 printk("%s TIMESTAMP: %d/%d/%02d %d:%02d:%0d\n", in el_print_timestamp()
174 timestamp->b.month, timestamp->b.day, in el_print_timestamp()
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/Linux-v5.10/include/trace/events/
Dpower_cpu_migrate.h11 TP_PROTO(u64 timestamp, \
14 TP_ARGS(timestamp, \
23 __field(u64, timestamp )
28 __entry->timestamp = timestamp;
32 TP_printk("timestamp=%llu cpu_hwid=0x%08lX",
33 (unsigned long long)__entry->timestamp,
/Linux-v5.10/drivers/net/ethernet/qlogic/qed/
Dqed_ptp.c23 /* Param mask for Hardware to detect/timestamp the L2/L4 unicast PTP packets */
102 /* Read Rx timestamp */
103 static int qed_ptp_hw_read_rx_ts(struct qed_dev *cdev, u64 *timestamp) in qed_ptp_hw_read_rx_ts() argument
109 *timestamp = 0; in qed_ptp_hw_read_rx_ts()
112 DP_INFO(p_hwfn, "Invalid Rx timestamp, buf_seqid = %d\n", val); in qed_ptp_hw_read_rx_ts()
117 *timestamp = qed_rd(p_hwfn, p_ptt, NIG_REG_LLH_PTP_HOST_BUF_TS_MSB); in qed_ptp_hw_read_rx_ts()
118 *timestamp <<= 32; in qed_ptp_hw_read_rx_ts()
119 *timestamp |= val; in qed_ptp_hw_read_rx_ts()
121 /* Reset timestamp register to allow new timestamp */ in qed_ptp_hw_read_rx_ts()
128 /* Read Tx timestamp */
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/Linux-v5.10/include/linux/iio/
Dbuffer.h20 * iio_push_to_buffers_with_timestamp() - push data and timestamp to buffers
23 * @timestamp: timestamp for the sample data
26 * device the function will store the supplied timestamp as the last element in
28 * data buffer needs to be large enough to hold the additional timestamp
34 void *data, int64_t timestamp) in iio_push_to_buffers_with_timestamp() argument
38 ((int64_t *)data)[ts_offset] = timestamp; in iio_push_to_buffers_with_timestamp()
/Linux-v5.10/drivers/net/ethernet/intel/i40e/
Di40e_ptp.c78 * @hwtstamps: Timestamp structure to update
79 * @timestamp: Timestamp from the hardware
82 * the upper level timestamping functions. Since the timestamp is simply a 64-
86 u64 timestamp) in i40e_ptp_convert_to_hwtstamp() argument
90 hwtstamps->hwtstamp = ns_to_ktime(timestamp); in i40e_ptp_convert_to_hwtstamp()
239 /* Update the jiffies time for any newly latched timestamp. This in i40e_ptp_get_rx_events()
240 * ensures that we store the time that we first discovered a timestamp in i40e_ptp_get_rx_events()
242 * if we should free the latch and drop that timestamp should too much in i40e_ptp_get_rx_events()
253 /* Finally, we store the current status of the Rx timestamp latches */ in i40e_ptp_get_rx_events()
260 * i40e_ptp_rx_hang - Detect error case when Rx timestamp registers are hung
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/Linux-v5.10/Documentation/sound/designs/
Dtimestamping.rst17 - 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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/Linux-v5.10/include/linux/fsl/
Dptp_qoriq.h18 u32 tmr_tevent; /* Timestamp event register */
20 u32 tmr_pevent; /* Timestamp event register */
22 u32 tmr_stat; /* Timestamp status register */
47 u32 tmr_etts1_h; /* Timestamp of general purpose external trigger */
48 u32 tmr_etts1_l; /* Timestamp of general purpose external trigger */
49 u32 tmr_etts2_h; /* Timestamp of general purpose external trigger */
50 u32 tmr_etts2_l; /* Timestamp of general purpose external trigger */
80 #define RTPE (1<<15) /* Record Tx Timestamp to PAL Enable. */
95 #define ETS2 (1<<25) /* External trigger 2 timestamp sampled */
96 #define ETS1 (1<<24) /* External trigger 1 timestamp sampled */
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/Linux-v5.10/drivers/net/can/
Drx-offload.c12 u32 timestamp; member
90 cb_pos->timestamp, cb_new->timestamp, in __skb_queue_add_sort()
91 cb_new->timestamp - cb_pos->timestamp, in __skb_queue_add_sort()
115 return cb_b->timestamp - cb_a->timestamp; in can_rx_offload_compare()
145 u32 timestamp; in can_rx_offload_offload_one() local
152 skb = offload->mailbox_read(offload, n, &timestamp, drop); in can_rx_offload_offload_one()
169 cb->timestamp = timestamp; in can_rx_offload_offload_one()
241 struct sk_buff *skb, u32 timestamp) in can_rx_offload_queue_sorted() argument
253 cb->timestamp = timestamp; in can_rx_offload_queue_sorted()
266 unsigned int idx, u32 timestamp) in can_rx_offload_get_echo_skb() argument
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/Linux-v5.10/drivers/isdn/mISDN/
Dclock.c18 * enabled. If function call is delayed, tv must be set with the timestamp
41 static int iclock_timestamp_valid; /* already received one timestamp */
134 mISDN_clock_update(struct mISDNclock *iclock, int samples, ktime_t *timestamp) in mISDN_clock_update() argument
153 if (timestamp) { /* timestamp must be set, if function call is delayed */ in mISDN_clock_update()
154 iclock_timestamp = *timestamp; in mISDN_clock_update()
160 if (timestamp) { /* timestamp must be set, if function call is delayed */ in mISDN_clock_update()
161 timestamp_now = *timestamp; in mISDN_clock_update()
167 /* add elapsed time to counter and set new timestamp */ in mISDN_clock_update()
/Linux-v5.10/drivers/net/ethernet/qlogic/qede/
Dqede_ptp.c139 u64 timestamp, ns; in qede_ptp_task() local
148 /* Read Tx timestamp registers */ in qede_ptp_task()
150 rc = ptp->ops->read_tx_ts(edev->cdev, &timestamp); in qede_ptp_task()
154 DP_INFO(edev, "Tx timestamp is not recorded\n"); in qede_ptp_task()
167 ns = timecounter_cyc2time(&ptp->tc, timestamp); in qede_ptp_task()
176 "Tx timestamp, timestamp cycles = %llu, ns = %llu\n", in qede_ptp_task()
177 timestamp, ns); in qede_ptp_task()
516 …"The device supports only a single outstanding packet to timestamp, this packet will not be timest… in qede_ptp_tx_ts()
521 /* schedule check for Tx timestamp */ in qede_ptp_tx_ts()
531 u64 timestamp, ns; in qede_ptp_rx_ts() local
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/Linux-v5.10/tools/lib/traceevent/
Dkbuffer-parse.c27 * @timestamp - timestamp of current event
44 unsigned long long timestamp; member
323 kbuf->timestamp += delta; in old_update_pointers()
398 kbuf->timestamp = delta; in update_pointers()
400 kbuf->timestamp += delta; in update_pointers()
473 * @ts: Address to store the next record's timestamp (may be NULL to ignore)
494 *ts = kbuf->timestamp; in kbuffer_next_event()
505 * the pointers and update the @kbuf timestamp. The next read will
520 kbuf->timestamp = read_8(kbuf, ptr); in kbuffer_load_subbuffer()
553 * kbuffer_subbuf_timestamp - read the timestamp from a sub buffer
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/Linux-v5.10/Documentation/devicetree/bindings/net/
Dti,k3-am654-cpts.yaml19 - 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
80 Number of hardware timestamp push inputs (HWx_TS_PUSH)
86 Number of timestamp Generator function outputs (TS_GENFx)
/Linux-v5.10/Documentation/userspace-api/media/v4l/
Dbuffer.rst25 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
205 - ``timestamp``
211 ``timestamp`` field. This permits applications to monitor the
214 in the timestamp which will be copied by the driver to the capture
224 independent of the ``timestamp`` and ``sequence`` fields.
594 'held'). If the timestamp of this output buffer differs from that
615 * .. _`V4L2-BUF-FLAG-TIMESTAMP-MASK`:
619 - Mask for timestamp types below. To test the timestamp type, mask
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