threadcreate profile: total 8
7 @
#	0x0

1 @ 0x440ea5 0x441775 0x441a65 0x446e57 0x467ae5 0x470d61
#	0x440ea4	runtime.allocm+0xc4			runtime/proc.go:1935
#	0x441774	runtime.newm+0x34			runtime/proc.go:2398
#	0x441a64	runtime.startTemplateThread+0x84	runtime/proc.go:2475
#	0x446e56	runtime.LockOSThread+0x16		runtime/proc.go:4788
#	0x467ae4	runtime.ensureSigM.func1+0x24		runtime/signal_unix.go:1000