fmt.Fprintln
standard libraryThe 113th most-called standard-library function by production calls. Called 10,815 times across 604 modules; 9,144 of those run outside tests and generated code.
3% in production calls vs 2026-W37 (8,915 → 9,144)
- prod calls
- 9,144
- non-test, non-generated
- all calls
- 10,815
- total callsites
- modules
- 604
- distinct callers
- in loop
- 19%
- of prod calls
- in tests
- 14%
- 1,522 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 →
- Package function100%A direct call to an exported package function, resolved by type.
who calls this
Notable callers
Production calls into Fprintln from notable Go projects. Open one on the map to see what else it hammers.
- containerd 290 3%
- Docker 261 3%
- Kubernetes 227 2%
- Cilium 183 2%
- Istio 154 2%
where it's called
Callsites in the wild
12 representative callsites of 10,815, prioritizing in-loop and non-test usage. We link to source, never display it.
-
fang/v2 @v2.0.1
help.go:450
in loop - in loop
- in loop
-
miekg/dns @v0.6.114
cmd/atomdns/atom/run.go:88
in loop - in loop
- in loop
- in loop
-
moby/moby @v28.5.2+incompatible
in loop -
encr.dev @v1.58.6
cli/cmd/encore/bits/list.go:29
in loop - in loop
- in loop
- in loop
top callers
The modules that reach for it
The modules that call Fprintln most in this snapshot.
- github.com/esengine/DeepSeek-Reasonix5105%
- github.com/larksuite/cli3183%
- github.com/gastownhall/beads2893%
- github.com/steveyegge/beads2893%
- github.com/crowdsecurity/crowdsec2172%
siblings
More from fmt
The other most-called functions in this package. See all →