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callcount

testing.TB.Fatalf

standard library

The 634th most-called standard-library method by production calls. Called 3,248 times across 184 modules; 1,134 of those run outside tests and generated code.

All of testing → Docs on pkg.go.dev ↗

prod calls
1,134
non-test, non-generated
all calls
3,248
total callsites
modules
184
distinct callers
in loop
10%
of prod calls
in tests
65%
2,114 calls
resolved
3%
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 →

  • Embedded method3%Reached through an embedded type.
  • Interface method97%Called through an interface. The runtime target may differ.
  • Method value<1%A method captured as a value, then called.

who calls this

Notable callers

Production calls into TB.Fatalf from notable Go projects. Open one on the map to see what else it hammers.

where it's called

Callsites in the wild

12 representative callsites of 3,248, prioritizing in-loop and non-test usage. We link to source, never display it.

TB.Fatalf · 12 of 3,248 callsites

top callers

The modules that reach for it

The modules that call TB.Fatalf most in this snapshot.

  • golang.org/x/net2267%
  • github.com/pocketbase/pocketbase1866%
  • github.com/sagernet/tailscale1846%
  • github.com/tailscale/tailscale1846%
  • tailscale.com1846%

siblings

More from testing

The other most-called members in this package. See all →