I offer for your consideration "cloud quotas".
The idea is simple: executive management, frustrated by progress, creates a timeline for the IT function to get to cloud, e.g. 80% of workloads by 2020 or similar. Yearly goals are established to get to the desired state.
And to put some teeth into it, the IT budget is then forcibly partitioned into two segments: cloud and non-cloud, starting with 2016. The proportion of earmarked cloud spend is raised every budgeting year until the desired strategic target is achieved.
The goals are structured in such a way that typical IT cloud-washing won't help much.
Yes, IT will get credit for moving desktop and collaboration out, and perhaps that handful of pilot applications that have been moved, and of course any SaaS implemented -- but IT is not likely to get credit for, say, that IaaS-only private cloud sitting in the data center.
This is not theoretical: I have seen many examples from around the globe. Where I've seen it implemented, it's non-negotiable.
It's real, and it's happening for more than a few large IT organizations.