powerpc/xmon: Add option to show uptime information

[Michael Ellerman]

On Mon, 2017-09-18 at 14:16:58 UTC, "Guilherme G. Piccoli" wrote:
> It might be useful to quickly get the uptime of a running
> system on xmon, without needing to grab data from memory and
> doing math on struct addresses.
> 
> For example, it'd be useful to check for how long after a crash
> a system is on xmon shell or if some test was started after the
> first test crashed (and this 2nd test crashed too into xmon).
> 
> This small patch adds the 'U' command, to accomplish this.
> 
> Suggested-by: Murilo Fossa Vicentini <muvic at linux.vnet.ibm.com>
> Signed-off-by: Guilherme G. Piccoli <gpiccoli at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/59d3391e8cf274097c42369866070c

cheers