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Document the prof build tag

Signed-off-by: Randy Barlow <>
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bowlofeggs authored and mergify committed Oct 1, 2019
1 parent 1293143 commit f5fa9b69786c7daecf64f8d0b7c7764d0fcd83e6
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@@ -86,6 +86,20 @@ To run the full test suite, run from the main directory:

$ go test ./...

repoSpanner has an optional inbuilt profiler that can be enabled at compile
time. If you wish to use it, compile repoSpanner with the prof tag, like this:

$ ./ -tags prof

When repoSpanner starts, it will print a log message telling you how you
can access the profiling data, for example:


You can use `pprof` to interpret the data:

go tool pprof

## Tests

The project comes with a decent functional test suite. Explore the

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