golang.org/x/sys/unix.Open
third-partyThe 5964th most-called third-party function by production calls. Called 120 times across 52 modules; 102 of those run outside tests and generated code.
2% in production calls vs 2026-W39 (100 → 102)
- prod calls
- 102
- non-test, non-generated
- all calls
- 120
- total callsites
- modules
- 52
- distinct callers
- in loop
- 9%
- of prod calls
- in tests
- 15%
- 18 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 function95%A direct call to an exported package function, resolved by type.
- Package function (by syntax)5%A package function in a module outside the crawl, keyed by import path.
who calls this
Notable callers
Production calls into Open from notable Go projects. Open one on the map to see what else it hammers.
- Kubernetes 9 9%
- Docker 6 6%
- Istio 4 4%
- containerd 3 3%
- Cilium 1 <1%
where it's called
Callsites in the wild
12 representative callsites of 120, prioritizing in-loop and non-test usage. We link to source, never display it.
-
docker/docker @v28.5.2+incompatible
in loop - in loop
- in loop
-
google/gvisor @v0.0.0-20260927234935-6485c3fbdfe2
in loop -
ncruces/go-sqlite3 @v0.35.6
in loop - in loop
- in loop
-
moby/moby @v28.5.2+incompatible
in loop - in loop
-
-
-
top callers
The modules that reach for it
The modules that call Open most in this snapshot.
- github.com/google/gvisor2218%
- github.com/podman-container-tools/buildah98%
- github.com/kubernetes/kubernetes54%
- golang.org/x/sys54%
- k8s.io/kubernetes54%
siblings
More from golang.org/x/sys/unix
The other most-called functions in this package. See all →