go.uber.org/zap.SugaredLogger.Fatalf
third-partyThe 6991st most-called third-party method by production calls. Called 126 times across 8 modules; 87 of those run outside tests and generated code.
No change in production calls since 2026-W39.
- prod calls
- 87
- non-test, non-generated
- all calls
- 126
- total callsites
- modules
- 8
- distinct callers
- in loop
- 13%
- of prod calls
- in tests
- 2%
- 3 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 SugaredLogger.Fatalf from notable Go projects. Open one on the map to see what else it hammers.
where it's called
Callsites in the wild
12 representative callsites of 126, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
-
knative.dev/pkg @v0.0.0-20260918182429-5dc1978f0042
leaderelection/context.go:161
in loop - in loop
-
tailscale.com @v1.102.5
cmd/k8s-operator/operator.go:238
in loop - in loop
- in loop
-
tailscale.com @v1.102.5
cmd/k8s-operator/operator.go:255
in loop - in loop
-
tailscale.com @v1.102.5
cmd/k8s-operator/operator.go:263
in loop - in loop
-
tailscale.com @v1.102.5
cmd/k8s-operator/operator.go:267
in loop -
top callers
The modules that reach for it
The modules that call SugaredLogger.Fatalf most in this snapshot.
- github.com/tailscale/tailscale3830%
- tailscale.com3830%
- knative.dev/pkg2318%
- github.com/tektoncd/pipeline1512%
- github.com/sigstore/rekor65%
siblings
More from go.uber.org/zap
The other most-called members in this package. See all →