math/rand.Rand.Intn
standard libraryThe 751st most-called standard-library method by production calls. Called 5,776 times across 261 modules; 958 of those run outside tests and generated code.
1% in production calls vs 2026-W39 (953 → 958)
- prod calls
- 958
- non-test, non-generated
- all calls
- 5,776
- total callsites
- modules
- 261
- distinct callers
- in loop
- 28%
- of prod calls
- in tests
- 83%
- 4,818 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 method94%A method on a value whose type is known exactly.
- Embedded method6%Reached through an embedded type.
who calls this
Notable callers
Production calls into Rand.Intn from notable Go projects. Open one on the map to see what else it hammers.
- Kubernetes 229 24%
- CockroachDB 129 13%
- Grafana 94 10%
- Uber Go 8 <1%
- Consul 6 <1%
where it's called
Callsites in the wild
12 representative callsites of 5,776, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
-
go/protoyaml @v0.7.0
internal/protoyamltest/fuzz.go:102
in loop - in loop
-
cockroachdb/cockroach @v19.2.12+incompatible
in loop - in loop
- in loop
-
docker/docker @v28.5.2+incompatible
in loop -
etcd-io/etcd @v2.3.8+incompatible
in loop - in loop
-
Mrs4s/MiraiGo @v0.0.0-20240226124653-54bdd873e3fe
in loop -
OpenDiablo2/OpenDiablo2 @v0.0.0-20211021131836-7f92c571bf04
in loop - in loop
top callers
The modules that reach for it
The modules that call Rand.Intn most in this snapshot.
- github.com/gogo/protobuf2,51944%
- github.com/cockroachdb/cockroach3135%
- github.com/kubernetes/kubernetes1723%
- github.com/metacubex/utls1252%
- github.com/refraction-networking/utls1252%
siblings
More from math/rand
The other most-called members in this package. See all →