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callcount

os.Exit

standard library

The 121st most-called standard-library function by production calls. Called 11,223 times across 834 modules; 8,280 of those run outside tests and generated code.

2% in production calls vs 2026-W37 (8,435 → 8,280)

All of os → Docs on pkg.go.dev ↗

prod calls
8,280
non-test, non-generated
all calls
11,223
total callsites
modules
834
distinct callers
in loop
6%
of prod calls
in tests
26%
2,913 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 Exit 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 11,223, prioritizing in-loop and non-test usage. We link to source, never display it.

Exit · 12 of 11,223 callsites

top callers

The modules that reach for it

The modules that call Exit most in this snapshot.

  • github.com/vitessio/vitess3873%
  • vitess.io/vitess3873%
  • github.com/kubernetes/kubernetes3003%
  • github.com/google/gvisor2512%
  • k8s.io/kubernetes2442%

siblings

More from os

The other most-called functions in this package. See all →