testing.common.Errorf
standard libraryThe 156th most-called standard-library method by production calls. Called 379,911 times across 1,408 modules; 6,546 of those run outside tests and generated code.
No change in production calls since 2026-W39.
- prod calls
- 6,546
- non-test, non-generated
- all calls
- 379,911
- total callsites
- modules
- 1,408
- distinct callers
- in loop
- 27%
- of prod calls
- in tests
- 98%
- 373,365 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 →
- Embedded method100%Reached through an embedded type.
who calls this
Notable callers
Production calls into common.Errorf from notable Go projects. Open one on the map to see what else it hammers.
- Kubernetes 1,008 15%
- Dgraph 94 1%
- Istio 50 <1%
- containerd 38 <1%
- gRPC 36 <1%
where it's called
Callsites in the wild
12 representative callsites of 379,911, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
- in loop
-
docker/cli @v29.8.1+incompatible
in loop - in loop
- in loop
-
GoogleContainerTools/skaffold/v2 @v2.25.0
testutil/concurrency/cmd_helper_with_concurrency_support.go:302 ↗
in loop - in loop
- in loop
- in loop
- in loop
- in loop
- in loop
top callers
The modules that reach for it
The modules that call common.Errorf most in this snapshot.
- github.com/go-playground/locales25,2377%
- github.com/kubernetes/kubernetes21,8546%
- k8s.io/kubernetes11,7183%
- github.com/gastownhall/beads9,6153%
- github.com/steveyegge/beads9,6153%
siblings
More from testing
The other most-called members in this package. See all →