net/http.ServeMux.ServeHTTP
standard libraryThe 8362nd most-called standard-library method by production calls. Called 563 times across 80 modules; 72 of those run outside tests and generated code.
3% in production calls vs 2026-W37 (70 → 72)
- prod calls
- 72
- non-test, non-generated
- all calls
- 563
- total callsites
- modules
- 80
- distinct callers
- in loop
- 0%
- of prod calls
- in tests
- 87%
- 491 calls
- resolved
- 100%
- 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 →
- Concrete method100%A method on a value whose type is known exactly.
who calls this
Notable callers
Production calls into ServeMux.ServeHTTP from notable Go projects. Open one on the map to see what else it hammers.
- Kubernetes 4 6%
- Tailscale 4 6%
- Grafana 3 4%
- Cortex 2 3%
- Docker 2 3%
where it's called
Callsites in the wild
12 representative callsites of 563, prioritizing in-loop and non-test usage. We link to source, never display it.
-
etcd-io/etcd @v2.3.8+incompatible
in loop test - in loop test
-
ardanlabs/gotraining @v0.0.0-20260512011504-4ae5a46bfc66
in loop test -
coreos/etcd @v2.3.8+incompatible
in loop test - in loop test
- in loop test
- in loop test
- in loop test
- in loop test
- in loop test
- in loop test
-
knative.dev/pkg @v0.0.0-20260918182429-5dc1978f0042
injection/health_check_test.go:63
in loop test
top callers
The modules that reach for it
The modules that call ServeMux.ServeHTTP most in this snapshot.
- github.com/sipeed/picoclaw21538%
- github.com/pinchtab/pinchtab12322%
- github.com/kubernetes/kubernetes214%
- sigs.k8s.io/controller-runtime193%
- k8s.io/apiserver173%
siblings
More from net/http
The other most-called members in this package. See all →