[Swift-devel] swift-plot-log in tutorial

[Ben Clifford]

I just did a swift hands on session with about 15 users who now have a few 
days experience in building simple cluster/grid scale applications.

One of the things I did was have them run swift-plot-log on Swift runs, 
and look at some of the graphics there.

I think this gave a very useful visual impression of what was going on 
during runs, and so I think some incorporation of that into future Swift 
tutorials would be useful.

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