| /linux/Documentation/networking/ |
| A D | timestamping.rst | 11 The interfaces for receiving network packages timestamps are:
39 timestamps for stream sockets.
105 Request rx timestamps when data enters the kernel. These timestamps
114 Request tx timestamps when data leaves the kernel. These timestamps
154 Report any software timestamps when available.
160 Report hardware timestamps as generated by
250 1.3.4. Enabling timestamps via control messages
274 setsockopt to receive timestamps::
387 on hardware transmit timestamps.
389 2.1.1 Transmit timestamps with MSG_ERRQUEUE
[all …]
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| A D | packet_mmap.rst | 213 related meta-information like timestamps without requiring a system call.
1030 hardware timestamps to be used. Note: you may need to enable the generation
1031 of hardware timestamps with SIOCSHWTSTAMP (see related information from
1039 For the mmap(2)ed ring buffers, such timestamps are stored in the
1054 Getting timestamps for the TX_RING works as follows: i) fill the ring frames,
1057 through the frames to pick up the individual hw/sw timestamps.
1072 for more information on hardware timestamps.
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| /linux/tools/lib/traceevent/Documentation/ |
| A D | libtraceevent-set_flag.txt | 60 /* Print timestamps in nanoseconds */
64 /* print timestamps in nanoseconds */
66 /* print timestamps in microseconds */
69 /* Print timestamps in microseconds */
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| A D | libtraceevent-header_page.txt | 29 The _tep_get_header_timestamp_size()_ function returns the size of timestamps,
41 The _tep_get_header_timestamp_size()_ function returns the size of timestamps,
67 printf("The timestamps size is %d bytes.\n", timesize);
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| /linux/drivers/staging/media/meson/vdec/ |
| A D | vdec_helpers.c | 243 list_add_tail(&new_ts->list, &sess->timestamps); in amvdec_add_ts()
254 list_for_each_entry(tmp, &sess->timestamps, list) { in amvdec_remove_ts()
324 struct list_head *timestamps = &sess->timestamps; in amvdec_dst_buf_done() local
331 if (list_empty(timestamps)) { in amvdec_dst_buf_done()
340 tmp = list_first_entry(timestamps, struct amvdec_timestamp, list); in amvdec_dst_buf_done()
368 list_for_each_entry_safe(tmp, n, &sess->timestamps, list) { in amvdec_dst_buf_done_offset()
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| A D | vdec.h | 274 struct list_head timestamps; member
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| /linux/Documentation/sound/designs/ |
| A D | timestamping.rst | 5 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
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| /linux/tools/perf/Documentation/ |
| A D | perf-inject.txt | 79 Some architectures may capture AUX area data which contains timestamps
80 affected by virtualization. This option will update those timestamps
81 in place, to correlate with host timestamps. The in-place update means
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| /linux/Documentation/ABI/testing/ |
| A D | sysfs-ptp | 111 timestamps. To enable external timestamps, write the
113 To disable external timestamps, write the channel
120 This file provides timestamps on external events, in
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| /linux/drivers/net/ethernet/sfc/ |
| A D | ptp.c | 1107 struct skb_shared_hwtstamps timestamps; in efx_ptp_xmit_skb_mc() local
1136 memset(×tamps, 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, ×tamps); 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()
2009 struct skb_shared_hwtstamps *timestamps; in __efx_rx_skb_attach_timestamp() local
2052 timestamps = skb_hwtstamps(skb); in __efx_rx_skb_attach_timestamp()
2053 timestamps->hwtstamp = in __efx_rx_skb_attach_timestamp()
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| /linux/Documentation/kbuild/ |
| A D | reproducible-builds.rst | 19 The kernel embeds timestamps in three places:
24 * File timestamps in the embedded initramfs
26 * If enabled via ``CONFIG_IKHEADERS``, file timestamps of kernel
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| /linux/Documentation/core-api/ |
| A D | timekeeping.rst | 20 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.
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| /linux/Documentation/driver-api/ |
| A D | ioctl.rst | 87 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
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| /linux/Documentation/filesystems/ |
| A D | cramfs.rst | 38 No timestamps are stored in a cramfs, so these default to the epoch
39 (1970 GMT). Recently-accessed files may have updated timestamps, but
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| /linux/drivers/net/ethernet/marvell/octeontx2/nic/ |
| A D | otx2_txrx.h | 94 struct qmem *timestamps; member
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| /linux/Documentation/userspace-api/media/v4l/ |
| A D | streaming-par.rst | 19 not augmented by timestamps or sequence counters, and to avoid
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| A D | pixfmt-meta-uvc.rst | 18 timing information, required for precise interpretation of timestamps, contained
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| A D | rw.rst | 20 counters or timestamps are passed. This information is necessary to
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| /linux/Documentation/admin-guide/sysctl/ |
| A D | net.rst | 216 Allow processes to receive tx timestamps looped together with the original
307 If set to 0, RX packet timestamps can be sampled after RPS processing, when
308 the target CPU processes packets. It might give some delay on timestamps, but
311 If set to 1 (default), timestamps are sampled as soon as possible, before
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| /linux/fs/cramfs/ |
| A D | Kconfig | 10 16/32 bits uid/gid, hard links and timestamps.
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| /linux/tools/power/pm-graph/config/ |
| A D | standby.cfg | 88 # Number of significant digits in timestamps (0:S, [3:ms], 6:us)
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| A D | freeze.cfg | 88 # Number of significant digits in timestamps (0:S, [3:ms], 6:us)
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| A D | freeze-callgraph.cfg | 89 # Number of significant digits in timestamps (0:S, [3:ms], 6:us)
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| A D | standby-dev.cfg | 88 # Number of significant digits in timestamps (0:S, [3:ms], 6:us)
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| /linux/drivers/media/rc/img-ir/ |
| A D | Kconfig | 17 less reliable (due to lack of timestamps) and consumes more
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