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skbtrace_dump.md

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skbtrace dump

Prints requested rows each time probe is fired

skbtrace dump -P PROBE... [flags]

Examples

dump -6 -P free -F 'dst == 2a02:6b8:...' -K -o ipv6

Options

      --context-filter RawFilters   Filters. Use 'fields' subcommand to list available fields.
      --context-key string          Key to be used to map context probe firings to normal probe firings (default "tid")
  -C, --context-probe strings       Probe names that trigger normal probe execution. Use 'probes' subcommand to list available probes.
  -F, --filter RawFilters           Filters. Use 'fields' subcommand to list available fields.
  -h, --help                        help for dump
  -i, --iface string                Interface device name. Shortcut for '$netdev->name == "Device"' filter.
  -K, --kstack                      Dump kernel stack on each probe.
  -P, --probe strings               Probe names to generate. Use 'probes' subcommand to list available probes.
  -o, --row strings                 Rows to be dumped. Use 'rows' helper to show available rows.
      --time-mode TimeMode          Time mode: 'time' for absolute wall time clock, 'delta' for elapsed time from previous probe firing or 'nsecs'/'elapsed' raw bpftrace global variables. (default time)
  -U, --ustack                      Dump userspace stack on each probe.

Options inherited from parent commands

      --bpftrace string         Path to bpftrace binary (default "bpftrace")
  -D, --dump                    Dump bpftrace command instead of running it
  -e, --encap string            Type of encapsulation: 'gre' or 'udp' (default "gre")
  -p, --hint strings            Protocol hints for weak field aliases such as 'tcp' for 'sport'.
  -6, --inet6                   If specified, skbtrace assumes that inner header is IPv6.
      --struct-keyword string   Use struct keyword in casts: "" - do not use, "struct" - use, "auto" - deduce based on bpftrace version. (default "auto")
  -T, --timeout duration        Execution timeout for resulting bpftrace script (default 1m0s)
      --unit string             Time unit using for measurements: 'sec', 'ms', 'us' - default or 'ns' (default "us")

SEE ALSO

  • skbtrace - A thin wrapper around bpftrace which allows to trace socket buffer contents
Auto generated by spf13/cobra on 21-Aug-2022