const runtime.traceEvGoroutineStack

2 uses

	runtime (current package)
		traceallocfree.go#L137: 	tl.eventWriter(traceGoRunning, traceProcRunning).commit(traceEvGoroutineStack, traceGoroutineStackID(base), order)
		traceexp.go#L65: 	traceEvGoroutineStack      // stack exists [timestamp, id, order]