net.PacketConn.WriteTo
standard libraryThe 4042nd most-called standard-library method by production calls. Called 336 times across 53 modules; 148 of those run outside tests and generated code.
1% in production calls vs 2026-W37 (147 → 148)
- prod calls
- 148
- non-test, non-generated
- all calls
- 336
- total callsites
- modules
- 53
- distinct callers
- in loop
- 30%
- of prod calls
- in tests
- 56%
- 188 calls
- resolved
- 2%
- to a known target
resolution mix
How each call resolves
How each call was attributed. Only resolved kinds, where the target function is known, count toward the ranking. Interface dispatch and unresolved receivers are reported separately and never guessed. Read the taxonomy →
- Embedded method2%Reached through an embedded type.
- Interface method98%Called through an interface. The runtime target may differ.
who calls this
Notable callers
Production calls into PacketConn.WriteTo from notable Go projects. Open one on the map to see what else it hammers.
- Tailscale 4 3%
- Go (golang.org/x) 2 1%
- Istio 2 1%
- Cilium 1 <1%
- KubeVirt 1 <1%
where it's called
Callsites in the wild
12 representative callsites of 336, prioritizing in-loop and non-test usage. We link to source, never display it.
-
AlexxIT/go2rtc @v1.9.14
in loop - in loop
- in loop
- in loop
-
elastic/beats @v6.8.23+incompatible
in loop -
ginuerzh/gost @v0.0.0-20260830100240-a33fdbf4c980
in loop -
mdlayher/ethernet @v0.0.0-20220221185849-529eae5b6118
in loop - in loop
-
passteque/gluetun @v0.0.0-20260915122333-e2e4a0658aad
in loop - in loop
- in loop
- in loop
top callers
The modules that reach for it
The modules that call PacketConn.WriteTo most in this snapshot.
- github.com/bluenviron/gortsplib/v54213%
- github.com/pion/transport/v4227%
- tailscale.com216%
- github.com/tailscale/tailscale206%
- github.com/ginuerzh/gost196%
siblings
More from net
The other most-called members in this package. See all →