os.File.Readdirnames
standard libraryThe 3168th most-called standard-library method by production calls. Called 215 times across 124 modules; 187 of those run outside tests and generated code.
- prod calls
- 187
- non-test, non-generated
- all calls
- 215
- total callsites
- modules
- 124
- distinct callers
- in loop
- 7%
- of prod calls
- in tests
- 13%
- 28 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 File.Readdirnames from notable Go projects. Open one on the map to see what else it hammers.
- containerd 15 8%
- Kubernetes 13 7%
- Docker 6 3%
- Prometheus 5 3%
- VictoriaMetrics 4 2%
where it's called
Callsites in the wild
12 representative callsites of 215, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
-
moby/moby @v28.5.2+incompatible
daemon/internal/filedescriptors/filiedescriptors_linux.go:51 ↗
in loop - in loop
-
google/gvisor @v0.0.0-20260805052044-b67f1412986c
in loop -
mitchellh/go-ps @v1.0.0
in loop - 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 File.Readdirnames most in this snapshot.
- github.com/containerd/containerd/v2105%
- github.com/gofiber/fiber/v263%
- github.com/kubernetes/kubernetes63%
- github.com/shirou/gopsutil63%
- github.com/shirou/gopsutil/v363%
siblings
More from os
The other most-called members in this package. See all →