Partial RE for Benchmark Tests

[Eckenfels. Bernd]

Hello,

as discussed before I propose to change the benchmark name filter from a all-match to a regular expression pattern find. This is a very small code change. The TestBenchmarkList is currently @Ignored because (I think) the test input file is in a old/wrong format.

I changed the BenchmarkList file by adding some (random) benchmark parameters to make it comply the line format. Currently the tests all work on the user-visible benchmark name of these lines, so it doesn't really matter what's in the remaining 19 args. But keep that in mind if testing for more features will be added.

In addition to actually enabling the tests again I also added some test cases around ^$ as well as lists, the empty list case and the "typical" '.' abuse case.

All the tests (including IT) pass with my modification.

Here is a sample usage, which shows you don't need .* for substrings (but you can still use it)

jmh\jmh-core-benchmarks\target>java -jar benchmarks.jar -l Int

Benchmarks:
org.openjdk.jmh.benchmarks.BlackholeBench.explicit_testInt
org.openjdk.jmh.benchmarks.BlackholeBench.implicit_testInt
org.openjdk.jmh.benchmarks.BlackholePipelineBench.test_Int_1
org.openjdk.jmh.benchmarks.BlackholePipelineBench.test_Int_10
org.openjdk.jmh.benchmarks.BlackholePipelineBench.test_Int_100
org.openjdk.jmh.benchmarks.BlackholePipelineBench.test_Int_1000


jmh\jmh-core-benchmarks\target>java -jar benchmarks.jar -l Int -e BlackholeBench

Benchmarks:
org.openjdk.jmh.benchmarks.BlackholePipelineBench.test_Int_1
org.openjdk.jmh.benchmarks.BlackholePipelineBench.test_Int_10
org.openjdk.jmh.benchmarks.BlackholePipelineBench.test_Int_100
org.openjdk.jmh.benchmarks.BlackholePipelineBench.test_Int_1000


jmh\jmh-core-benchmarks\target>java -jar benchmarks.jar -l Int$

Benchmarks:
org.openjdk.jmh.benchmarks.BlackholeBench.explicit_testInt
org.openjdk.jmh.benchmarks.BlackholeBench.implicit_testInt


jmh\jmh-core-benchmarks\target>java -jar benchmarks.jar -l .*Object.*

Benchmarks:
org.openjdk.jmh.benchmarks.BlackholeBench.explicit_testObject
org.openjdk.jmh.benchmarks.BlackholeBench.implicit_testObject

There is one thing unclear, the exclude pattern is matched against the while line, not only the user visible benchmark name, is this intentional - the verbose statement contradicts this somewhat.

This is my account where we have submitted a contributors agreement, feel free to use the patch or let me know what should be improved.

Greetings
Bernd
--
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