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Searched refs:timestamps (Results 1 – 25 of 73) sorted by relevance

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/linux/drivers/gpu/drm/amd/display/dc/link/accessories/
H A Dlink_dp_trace.c110 link->dp_trace.detect_lt_trace.timestamps.start = dm_get_timestamp(link->dc->ctx); in dp_trace_set_lt_start_timestamp()
112 link->dp_trace.commit_lt_trace.timestamps.start = dm_get_timestamp(link->dc->ctx); in dp_trace_set_lt_start_timestamp()
119 link->dp_trace.detect_lt_trace.timestamps.end = dm_get_timestamp(link->dc->ctx); in dp_trace_set_lt_end_timestamp()
121 link->dp_trace.commit_lt_trace.timestamps.end = dm_get_timestamp(link->dc->ctx); in dp_trace_set_lt_end_timestamp()
128 return link->dp_trace.detect_lt_trace.timestamps.end; in dp_trace_get_lt_end_timestamp()
130 return link->dp_trace.commit_lt_trace.timestamps.end; in dp_trace_get_lt_end_timestamp()
/linux/drivers/staging/media/meson/vdec/
H A Dvdec_helpers.c246 list_add_tail(&new_ts->list, &sess->timestamps); in amvdec_add_ts()
258 list_for_each_entry(tmp, &sess->timestamps, list) { in amvdec_remove_ts()
328 struct list_head *timestamps = &sess->timestamps; in amvdec_dst_buf_done() local
335 if (list_empty(timestamps)) { in amvdec_dst_buf_done()
344 tmp = list_first_entry(timestamps, struct amvdec_timestamp, list); in amvdec_dst_buf_done()
372 list_for_each_entry_safe(tmp, n, &sess->timestamps, list) { in amvdec_dst_buf_done_offset()
/linux/Documentation/sound/designs/
H A Dtimestamping.rst5 The ALSA API can provide two different system timestamps:
23 timestamps allow for applications to keep track of the 'fullness' of
33 When timestamps are enabled, the avail/delay information is reported
111 counter-intuitively not increase the precision of timestamps, e.g. if a
129 timestamps from hardware registers or from IPC takes time, the more
130 timestamps are read the more imprecise the combined measurements
132 timestamp is reported. Applications that need different timestamps
185 error. In example 3 where the timestamps are measured with the link
186 wallclock, the timestamps show a monotonic behavior and a lower
/linux/Documentation/driver-api/hte/
H A Dhte.rst16 in obtaining timestamps than using software counterparts i.e. ktime and
49 - Converts timestamps in nanoseconds.
77 The dropped timestamps for a given line.
H A Dtegra-hte.rst17 This GTE instance timestamps GPIO in real time. For that to happen GPIO
37 This GTE instance timestamps LIC IRQ lines in real time. The hte devicetree
/linux/Documentation/ABI/testing/
H A Dsysfs-ptp111 timestamps. To enable external timestamps, write the
113 To disable external timestamps, write the channel
120 This file provides timestamps on external events, in
/linux/Documentation/driver-api/
H A Dhw-recoverable-errors.rst15 By recording counts and timestamps of recoverable errors into the vmcoreinfo
33 - The tracked error data consists of per-error-type counts and timestamps of
H A Dioctl.rst87 Traditionally, timestamps and timeout values are passed as ``struct
104 Timeout values and timestamps should ideally use CLOCK_MONOTONIC time,
106 CLOCK_REALTIME, this makes the timestamps immune from jumping backwards
109 ktime_get_real_ns() can be used for CLOCK_REALTIME timestamps that
/linux/tools/perf/Documentation/
H A Dperf-inject.txt86 Some architectures may capture AUX area data which contains timestamps
87 affected by virtualization. This option will update those timestamps
88 in place, to correlate with host timestamps. The in-place update means
/linux/drivers/net/ethernet/sfc/siena/
H A Dptp.c1107 struct skb_shared_hwtstamps timestamps; in efx_ptp_xmit_skb_mc() local
1136 memset(&timestamps, 0, sizeof(timestamps)); in efx_ptp_xmit_skb_mc()
1137 timestamps.hwtstamp = ptp_data->nic_to_kernel_time( in efx_ptp_xmit_skb_mc()
1142 skb_tstamp_tx(skb, &timestamps); in efx_ptp_xmit_skb_mc()
1205 struct skb_shared_hwtstamps *timestamps; in efx_ptp_match_rx() local
1208 timestamps = skb_hwtstamps(skb); in efx_ptp_match_rx()
1209 timestamps->hwtstamp = evt->hwtimestamp; in efx_ptp_match_rx()
1991 struct skb_shared_hwtstamps *timestamps; in __efx_siena_rx_skb_attach_timestamp() local
2034 timestamps = skb_hwtstamps(skb); in __efx_siena_rx_skb_attach_timestamp()
2035 timestamps->hwtstamp = in __efx_siena_rx_skb_attach_timestamp()
/linux/Documentation/core-api/
H A Dtimekeeping.rst20 Useful for reliable timestamps and measuring short time intervals
37 user space. This is used for all timestamps that need to
126 but can't easily use 'jiffies', e.g. for inode timestamps.
/linux/drivers/net/ethernet/sfc/
H A Dptp.c1126 struct skb_shared_hwtstamps timestamps; in efx_ptp_xmit_skb_mc() local
1154 memset(&timestamps, 0, sizeof(timestamps)); in efx_ptp_xmit_skb_mc()
1155 timestamps.hwtstamp = ptp_data->nic_to_kernel_time( in efx_ptp_xmit_skb_mc()
1160 skb_tstamp_tx(skb, &timestamps); in efx_ptp_xmit_skb_mc()
2033 struct skb_shared_hwtstamps *timestamps; in __efx_rx_skb_attach_timestamp() local
2076 timestamps = skb_hwtstamps(skb); in __efx_rx_skb_attach_timestamp()
2077 timestamps->hwtstamp = in __efx_rx_skb_attach_timestamp()
/linux/Documentation/userspace-api/media/v4l/
H A Dstreaming-par.rst19 not augmented by timestamps or sequence counters, and to avoid
H A Drw.rst20 counters or timestamps are passed. This information is necessary to
H A Dmetafmt-uvc.rst19 timing information, required for precise interpretation of timestamps, contained
/linux/Documentation/filesystems/
H A Dcramfs.rst38 No timestamps are stored in a cramfs, so these default to the epoch
39 (1970 GMT). Recently-accessed files may have updated timestamps, but
/linux/drivers/net/ethernet/marvell/octeontx2/nic/
H A Dotx2_txrx.h102 struct qmem *timestamps; member
/linux/tools/power/pm-graph/config/
H A Dfreeze.cfg88 # Number of significant digits in timestamps (0:S, [3:ms], 6:us)
H A Dstandby.cfg88 # Number of significant digits in timestamps (0:S, [3:ms], 6:us)
H A Dstandby-callgraph.cfg89 # Number of significant digits in timestamps (0:S, [3:ms], 6:us)
H A Dfreeze-dev.cfg88 # Number of significant digits in timestamps (0:S, [3:ms], 6:us)
H A Dfreeze-callgraph.cfg89 # Number of significant digits in timestamps (0:S, [3:ms], 6:us)
H A Dsuspend.cfg88 # Number of significant digits in timestamps (0:S, [3:ms], 6:us)
/linux/fs/cramfs/
H A DKconfig10 16/32 bits uid/gid, hard links and timestamps.
/linux/drivers/media/rc/img-ir/
H A DKconfig17 less reliable (due to lack of timestamps) and consumes more

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