Re: Bogus reports from coverage.postgresql.org

On 3/14/18 12:31, Tom Lane wrote:
>               Recommended procedure when capturing data for a test case:
> 
>               1. create baseline coverage data file
>                      # lcov -c -i -d appdir -o app_base.info
> 
>               2. perform test
>                      # appdir/test
> 
>               3. create test coverage data file
>                      # lcov -c -d appdir -o app_test.info
> 
>               4. combine baseline and test coverage data
>                      # lcov -a app_base.info -a app_test.info -o
>                      app_total.info
> 
> Our process swaps steps 1 and 2.

That doesn't matter because 1 and 3 are independent of another.  The
pipeline is

1 ------\
         |--> 4
2 -> 3 -/


Our makefiles are set up in exactly this way and may run 1 and 3 in
parallel.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services