runtime.GC
standard libraryThe 2053rd most-called standard-library function by production calls. Called 837 times across 189 modules; 309 of those run outside tests and generated code.
No change in production calls since 2026-W39.
- prod calls
- 309
- non-test, non-generated
- all calls
- 837
- total callsites
- modules
- 189
- distinct callers
- in loop
- 16%
- of prod calls
- in tests
- 63%
- 528 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 GC from notable Go projects. Open one on the map to see what else it hammers.
- Kubernetes 12 4%
- gRPC 6 2%
- Go (golang.org/x) 5 2%
- Cilium 4 1%
- Grafana 4 1%
where it's called
Callsites in the wild
12 representative callsites of 837, prioritizing in-loop and non-test usage. We link to source, never display it.
-
argoproj/pkg @v0.13.6
in loop - in loop
-
dgraph-io/dgraph @v1.2.8
in loop -
DNSCrypt/dnscrypt-proxy @v0.0.0-20260907210843-47ce24df6e86
in loop - in loop
-
canopy-network/canopy @v0.1.29-0.20260925213558-8c2976334ef5
in loop -
golang/go @v0.0.0-20260928111315-fe0449ba3a10
in loop -
google/gvisor @v0.0.0-20260927234935-6485c3fbdfe2
in loop - in loop
- in loop
- in loop
- in loop
top callers
The modules that reach for it
The modules that call GC most in this snapshot.
- github.com/golang/go11314%
- github.com/cznic/mathutil283%
- github.com/kubernetes/kubernetes233%
- github.com/bytedance/sonic213%
- github.com/uber-go/tally213%
siblings
More from runtime
The other most-called functions in this package. See all →