
Brad FitzpatrickandBrad Fitzpatrick
36b1df1241
cmd/tailscale/cli: add --watch flag to "debug metrics" subcommand
This adds a new --watch flag that prints out a block of metric changes
every second, if anything changed.
Example output:
magicsock_disco_recv_ping +1 => 254
magicsock_disco_recv_pong +1 => 218
magicsock_disco_recv_udp +2 => 472
magicsock_disco_send_udp +2 => 536
magicsock_disco_sent_udp +2 => 536
magicsock_recv_data_ipv6 +1 => 82
magicsock_send_data +1 => 86
magicsock_send_udp +3 => 620
magicsock_recv_data_ipv6 +1 => 83
magicsock_send_data +1 => 87
magicsock_send_udp +1 => 621
magicsock_disco_recv_ping +1 => 255
magicsock_disco_recv_pong +1 => 219
magicsock_disco_recv_udp +2 => 474
magicsock_disco_send_udp +2 => 538
magicsock_disco_sent_udp +2 => 538
magicsock_recv_data_ipv6 +1 => 84
magicsock_send_data +1 => 88
magicsock_send_udp +3 => 624
magicsock_recv_data_ipv6 +1 => 85
magicsock_send_data +1 => 89
magicsock_send_udp +1 => 625
controlclient_map_response_map +1 => 207
controlclient_map_response_map_delta +1 => 204
controlclient_map_response_message +1 => 275
magicsock_disco_recv_ping +3 => 258
magicsock_disco_recv_pong +2 => 221
magicsock_disco_recv_udp +5 => 479
magicsock_disco_send_derp +1 => 6
magicsock_disco_send_udp +7 => 545
magicsock_disco_sent_derp +1 => 6
magicsock_disco_sent_udp +7 => 545
magicsock_recv_data_ipv6 +1 => 86
magicsock_send_data +1 => 90
magicsock_send_derp +1 => 12
magicsock_send_derp_queued +1 => 12
magicsock_send_udp +8 => 633
Updates #3307
Change-Id: I5ac2511e3ad24fa1e6ea958c3946fecebe4f79a7
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-11-16 13:48:21 -08:00
..
2021-07-19 15:31:56 -07:00
2021-10-16 17:53:43 -07:00
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2021-11-16 13:48:21 -08:00
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2021-08-19 17:50:48 -07:00
2021-08-05 15:54:00 -07:00