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netcheck, controlclient, magicsock: add more metrics

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Updates #3307

Change-Id: Ibb33425764a75bde49230632f1b472f923551126
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2021-11-16 08:34:25 -08:00
committed by Brad Fitzpatrick
parent 3b541c833e
commit 24ea365d48
4 changed files with 86 additions and 2 deletions
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12
wgengine/magicsock/magicsock.go
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@@ -967,6 +967,9 @@ func (c *Conn) setNearestDERP(derpNum int) (wantDERP bool) {
// No change.
return true
}
if c.myDerp != 0 && derpNum != 0 {
metricDERPHomeChange.Add(1)
}
c.myDerp = derpNum
health.SetMagicSockDERPHome(derpNum)
@@ -1616,6 +1619,9 @@ func (c *Conn) runDerpWriter(ctx context.Context, dc *derphttp.Client, ch <-chan
err := dc.Send(wr.pubKey, wr.b)
if err != nil {
c.logf("magicsock: derp.Send(%v): %v", wr.addr, err)
metricSendDERPError.Add(1)
} else {
metricSendDERP.Add(1)
}
}
}
@@ -4054,6 +4060,8 @@ var (
metricSendDERPErrorQueue = clientmetric.NewCounter("magicsock_send_derp_error_queue")
metricSendUDP = clientmetric.NewCounter("magicsock_send_udp")
metricSendUDPError = clientmetric.NewCounter("magicsock_send_udp_error")
metricSendDERP = clientmetric.NewCounter("magicsock_send_derp")
metricSendDERPError = clientmetric.NewCounter("magicsock_send_derp_error")
// Data packets (non-disco)
metricSendData = clientmetric.NewCounter("magicsock_send_data")
@@ -4079,4 +4087,8 @@ var (
metricRecvDiscoCallMeMaybe = clientmetric.NewCounter("magicsock_disco_recv_callmemaybe")
metricRecvDiscoCallMeMaybeBadNode = clientmetric.NewCounter("magicsock_disco_recv_callmemaybe_bad_node")
metricRecvDiscoCallMeMaybeBadDisco = clientmetric.NewCounter("magicsock_disco_recv_callmemaybe_bad_disco")
// metricDERPHomeChange is how many times our DERP home region DI has
// changed from non-zero to a different non-zero.
metricDERPHomeChange = clientmetric.NewCounter("derp_home_change")
)