End this email below is what it looks like when I run the compiler on a
modified Hello sample using the default compiler log level. How is the
signal-to-noise ratio? I think it's not great.
A few areas for improvement:
- Lower the log level for "Creating Split Point Map file for SOYC"; seems
like this should be TRACE, since they don't actually have info that is
really context-relevant; it's more telling you what code path the compiler
itself is following; it might seem more useful if it listed the file name.
- Maybe get rid of ""Done"; the presence of subsequent outdented logs should
make it clear enough that the preceding step has finished
- Lower the log level of permutation timings to INFO
- Decide how to make the permutation counting look like it makes sense; in
particular, specifying "<I> of <N>", you expect the indices to range 1..N
rather than 0..(N-1). Every time I see that last mesage "8 of 9" I keep
feeling disappointed that I never see "9 of 9" :-)
- Lower the log level of the "Linking" subtree, and specify what "war"
directory is being linked into, such as "Linking into war at
/usr/local/myproject/war"
Also, on another note, when you run the compiler with -treeLogger, we still
get some console noise that looks like this:
Permutation took 516 ms
Permutation took 284 ms
Permutation took 187 ms
Permutation took 147 ms
Permutation took 196 ms
Permutation took 131 ms
Permutation took 177 ms
Permutation took 140 ms
Permutation took 134 ms
I think we have a stray System.out?
In the end, it seems like the default log level ought to produce treelogger
output that looks like this:
Compiling module com.google.gwt.sample.hello.Hello
Compilation succeeded -- 6.889s
Arguably, it should even be silent unless there's a problem.
Thoughts? Anyone eager to write a patch for changes along these lines?
-- Bruce
=== Actual log below ===
Compiling module com.google.gwt.sample.hello.Hello
Compiling 9 permutations
Worker permutation 0 of 9
Creating Split Point Map file for SOYC
Done
Permutation took 294 ms
Worker permutation 1 of 9
Creating Split Point Map file for SOYC
Done
Permutation took 291 ms
Worker permutation 2 of 9
Creating Split Point Map file for SOYC
Done
Permutation took 197 ms
Worker permutation 3 of 9
Creating Split Point Map file for SOYC
Done
Permutation took 154 ms
Worker permutation 4 of 9
Creating Split Point Map file for SOYC
Done
Permutation took 198 ms
Worker permutation 5 of 9
Creating Split Point Map file for SOYC
Done
Permutation took 194 ms
Worker permutation 6 of 9
Creating Split Point Map file for SOYC
Done
Permutation took 184 ms
Worker permutation 7 of 9
Creating Split Point Map file for SOYC
Done
Permutation took 145 ms
Worker permutation 8 of 9
Creating Split Point Map file for SOYC
Done
Permutation took 131 ms
Permutation compile succeeded
Linking into war
Link succeeded
Compilation succeeded -- 6.889s
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