https://github.com/golang/go/issues/76786 - Read more about the discussion.
On Wednesday, 17 December 2025 at 15:47:12 UTC+3 Jason E. Aten wrote: > This looks amazing. Am to understand that the slowdown under > kolkov/racedetectdor is only 22%, rather than 200-500% slower with the C++ > race detector? That is incredible! > > On Friday, November 28, 2025 at 8:07:09 AM UTC-3 [email protected] wrote: > >> >> 2025 update: This is now possible. >> >> I've built a Pure-Go race detector that works with CGO_ENABLED=0: >> https://github.com/kolkov/racedetector >> >> Works in: >> - Alpine/scratch Docker containers >> - AWS Lambda / Cloud Functions >> - Cross-compilation scenarios >> - Any CGO_ENABLED=0 environment >> >> Usage: >> go install github.com/kolkov/racedetector/cmd/racedetector@latest >> racedetector build -o myapp main.go >> >> It's a standalone tool (not runtime integration yet), but it detects >> races without any CGO dependency. FastTrack algorithm, 15-22% overhead, >> pure Go. >> >> Feedback welcome: https://github.com/kolkov/racedetector/discussions >> >> Best regards! >> On Wednesday, 18 February 2015 at 00:09:22 UTC+3 Blake Caldwell wrote: >> >> I'm building my service without CGO, so ideally, I'd like to run my tests >> with the same settings, and I really like race detection. Is there any way >> to use the race detector with CGO_ENABLED=0? >> >> # testmain >> runtime/race(.text): __libc_malloc: not defined >> runtime/race(.text): getuid: not defined >> runtime/race(.text): pthread_self: not defined >> runtime/race(.text): madvise: not defined >> runtime/race(.text): sleep: not defined >> runtime/race(.text): usleep: not defined >> runtime/race(.text): abort: not defined >> runtime/race(.text): isatty: not defined >> runtime/race(.text): __libc_free: not defined >> runtime/race(.text): getrlimit: not defined >> runtime/race(.text): __libc_stack_end: not defined >> runtime/race(.text): getrlimit: not defined >> runtime/race(.text): setrlimit: not defined >> runtime/race(.text): setrlimit: not defined >> runtime/race(.text): setrlimit: not defined >> runtime/race(.text): exit: not defined >> runtime/race(.text.unlikely): __errno_location: not defined >> runtime/race(.text): undefined: __libc_malloc >> runtime/race(.text): undefined: getuid >> runtime/race(.text): undefined: pthread_self >> runtime/race(.text): undefined: madvise >> too many errors >> >> -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/golang-nuts/f34e0497-1efb-4641-9b41-d032d1480d82n%40googlegroups.com.
