Brad 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
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cli	cmd/tailscale/cli: add --watch flag to "debug metrics" subcommand	2021-11-16 13:48:21 -08:00
depaware.txt	netcheck, controlclient, magicsock: add more metrics	2021-11-16 10:48:19 -08:00
tailscale.go	cmd/tailscale: add web subcommand	2021-03-29 12:13:19 -07:00