sync/atomic.Bool.Swap
standard libraryThe 3190th most-called standard-library method by production calls. Called 235 times across 70 modules; 191 of those run outside tests and generated code.
1% in production calls vs 2026-W39 (189 → 191)
- prod calls
- 191
- non-test, non-generated
- all calls
- 235
- total callsites
- modules
- 70
- distinct callers
- in loop
- 6%
- of prod calls
- in tests
- 19%
- 44 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 Bool.Swap from notable Go projects. Open one on the map to see what else it hammers.
- gRPC 20 10%
- Tailscale 14 7%
- Kubernetes 6 3%
- NATS 5 3%
- Cilium 4 2%
where it's called
Callsites in the wild
12 representative callsites of 235, prioritizing in-loop and non-test usage. We link to source, never display it.
-
IBM/sarama @v1.61.1
in loop - in loop
- in loop
-
twmb/franz-go @v1.22.1
in loop - in loop
- in loop
-
vitess.io/vitess @v0.24.3
go/vt/vttablet/tabletserver/throttle/throttler.go:782
in loop - in loop
- in loop
-
twmb/franz-go @v1.22.1
in loop - in loop
-
lib/pq @v1.12.3
in loop test
top callers
The modules that reach for it
The modules that call Bool.Swap most in this snapshot.
- github.com/cilium/cilium209%
- github.com/tailscale/tailscale188%
- tailscale.com188%
- github.com/twmb/franz-go156%
- github.com/sagernet/tailscale136%
siblings
More from sync/atomic
The other most-called members in this package. See all →