log/slog.Logger.Error
standard libraryThe 381st most-called standard-library method by production calls. Called 2,454 times across 74 modules; 2,387 of those run outside tests and generated code.
3% in production calls vs 2026-W39 (2,321 → 2,387)
- prod calls
- 2,387
- non-test, non-generated
- all calls
- 2,454
- total callsites
- modules
- 74
- distinct callers
- in loop
- 30%
- of prod calls
- in tests
- 3%
- 67 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 method99%A method on a value whose type is known exactly.
- Embedded method<1%Reached through an embedded type.
- Method value<1%A method captured as a value, then called.
who calls this
Notable callers
Production calls into Logger.Error from notable Go projects. Open one on the map to see what else it hammers.
- Cilium 661 28%
- Grafana 489 20%
- Prometheus 430 18%
- ClickHouse 29 1%
- Cortex 7 <1%
where it's called
Callsites in the wild
12 representative callsites of 2,454, prioritizing in-loop and non-test usage. We link to source, never display it.
-
cilium/cilium @v1.20.2
in loop - in loop
-
miekg/dns @v0.6.117
cmd/atomdns/handlers/url/reload.go:23
in loop -
readeck/go-readability/v2 @v2.1.2
parser.go:753
in loop - in loop
-
MicahParks/jwkset @v0.11.3
in loop -
a-h/templ @v0.3.1020
in loop - in loop
- in loop
- in loop
-
aquasecurity/trivy-db @v0.0.0-20260924084935-ce4a319b4575
in loop - in loop
top callers
The modules that reach for it
The modules that call Logger.Error most in this snapshot.
- github.com/cilium/cilium64726%
- github.com/grafana/alloy49620%
- github.com/prometheus/prometheus23510%
- github.com/slackhq/nebula1225%
- github.com/prometheus/blackbox_exporter1054%
siblings
More from log/slog
The other most-called members in this package. See all →