diff --git a/hostinfo/hostinfo_linux.go b/hostinfo/hostinfo_linux.go
index e2a878be6..90ceece90 100644
--- a/hostinfo/hostinfo_linux.go
+++ b/hostinfo/hostinfo_linux.go
@@ -113,6 +113,8 @@ func osVersionLinux() string {
 		return fmt.Sprintf("Synology %s%s", m["productversion"], attr)
 	case distro.OpenWrt:
 		return fmt.Sprintf("OpenWrt %s%s", m["DISTRIB_RELEASE"], attr)
+	case distro.Gokrazy:
+		return fmt.Sprintf("Gokrazy%s", attr)
 	}
 	return fmt.Sprintf("Other%s", attr)
 }
diff --git a/version/distro/distro.go b/version/distro/distro.go
index 67c455890..4107b8a77 100644
--- a/version/distro/distro.go
+++ b/version/distro/distro.go
@@ -8,6 +8,7 @@ package distro
 import (
 	"os"
 	"runtime"
+	"sync/atomic"
 )
 
 type Distro string
@@ -22,17 +23,25 @@ const (
 	Pfsense  = Distro("pfsense")
 	OPNsense = Distro("opnsense")
 	TrueNAS  = Distro("truenas")
+	Gokrazy  = Distro("gokrazy")
 )
 
+var distroAtomic atomic.Value // of Distro
+
 // Get returns the current distro, or the empty string if unknown.
 func Get() Distro {
-	if runtime.GOOS == "linux" {
-		return linuxDistro()
+	d, ok := distroAtomic.Load().(Distro)
+	if ok {
+		return d
 	}
-	if runtime.GOOS == "freebsd" {
-		return freebsdDistro()
+	switch runtime.GOOS {
+	case "linux":
+		d = linuxDistro()
+	case "freebsd":
+		d = freebsdDistro()
 	}
-	return ""
+	distroAtomic.Store(d) // even if empty
+	return d
 }
 
 func have(file string) bool {
@@ -62,6 +71,8 @@ func linuxDistro() Distro {
 		return NixOS
 	case have("/etc/config/uLinux.conf"):
 		return QNAP
+	case haveDir("/gokrazy"):
+		return Gokrazy
 	}
 	return ""
 }
diff --git a/version/distro/distro_test.go b/version/distro/distro_test.go
new file mode 100644
index 000000000..bc4e8c5b4
--- /dev/null
+++ b/version/distro/distro_test.go
@@ -0,0 +1,16 @@
+// Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package distro
+
+import "testing"
+
+func BenchmarkGet(b *testing.B) {
+	b.ReportAllocs()
+	var d Distro
+	for i := 0; i < b.N; i++ {
+		d = Get()
+	}
+	_ = d
+}