private void printStats(
int totalSnippets, int accepted, MicrobenchmarkGenerator g, List<BenchSnippet> snippets) {
Map<String, Integer> causes = conf.getPreconditions().getRejectionCause();
HashSet<String> classes = new HashSet<>();
HashSet<String> methods = new HashSet<>();
// Get Classes and Methods
for (BenchSnippet snippet : snippets) {
String className =
snippet.getASTElement().getPosition().getCompilationUnit().getFile().getAbsolutePath();
if (!classes.contains(className)) classes.add(className);
try {
String methodName =
className + "::" + snippet.getASTElement().getParent(CtMethod.class).getSignature();
if (!methods.contains(methodName)) methods.add(methodName);
} catch (Exception ex) {
log.warn("Unable to get method name for " + snippet.getPosition());
// Do nothing
}
}
log.info("----------- STATS: ---------------");
log.info("Class covered: " + classes.size());
log.info("Methods covered: " + methods.size());
logCause(true, "Total", totalSnippets, totalSnippets);
logCause(true, "Accepted", accepted, totalSnippets);
logCause(true, VARS_UNSUPPORTED, causes, totalSnippets);
logCause(false, COLLECTION_OF_UNSUPPORTED_TYPE, causes, totalSnippets);
logCause(false, TYPE_IS_NOT_PUBLIC, causes, totalSnippets);
logCause(
false,
TYPE_IS_NOT_STORABLE,
causeCount(VARS_UNSUPPORTED, causes)
- (causeCount(COLLECTION_OF_UNSUPPORTED_TYPE, causes)
+ causeCount(TYPE_IS_NOT_PUBLIC, causes)),
totalSnippets);
logCause(true, DYN_INV_UNSUPPORTED, causes, totalSnippets);
logCause(false, DYN_METHOD_TARGET_TYPE_UNSUPPORTED, causes, totalSnippets);
logCause(false, LEVELS_TOO_DEEP, causes, totalSnippets);
logCause(false, PRIVATE_CONSTRUCTOR, causes, totalSnippets);
logCause(false, ERR_GET_BODY + " - Protected", causes, totalSnippets);
logCause(true, "Generated", g.getGeneratedCount(), totalSnippets);
log.info("----------------------------------");
for (Map.Entry<String, Integer> k : conf.getPreconditions().getRejectionCause().entrySet())
log.info(" + " + k.getKey() + ": " + k.getValue());
}
/** Generates the benchmark suite */
public void generate() {
try {
if (!checkInputPath()) return;
// Clean working and result's dir
log.info("Cleaning working dirs");
cleanWorkingDir();
cleanResultsDir();
// Build the output project
log.info("Building output POM file");
MavenProjectBuilder builder = new MavenProjectBuilder(conf);
builder.build();
// Collect all tagglets from the input source
log.info("Collecting tagglets");
Map<String, List<Tagglet>> tagglets = null;
if (customDetector == null) tagglets = collectTagglets();
// Instrument all tagged points to record the data context
log.info("Instrumenting data context");
List<BenchSnippet> snippets = recordDataContext(tagglets);
log.info("Removing non compliant snippets");
List<BenchSnippet> complyingSnippets = new ArrayList<>();
for (BenchSnippet snippet : snippets) {
if (snippet.meetsPreconditions()) complyingSnippets.add(snippet);
else if (conf.getPrintRejected()) {
log.warn("REJECTING: " + snippet.getASTElement().toString());
}
}
int totalSnippets = snippets.size();
int accepted = complyingSnippets.size();
if (accepted == 0) {
log.info("No snippets accepted. Exiting");
return;
}
snippets = complyingSnippets;
// Clean the instrumentation from the snippets
cleanInstrumentation(snippets);
// Finally generate the benchmarks
runGenerators(new MainClassGenerator(), snippets);
log.info("Main file generated");
runGenerators(new LoaderGenerator(), snippets);
log.info("Loader file generated");
runGenerators(new TestForMicrobenchmarkGenerator(), snippets);
log.info("Unit tests file generated");
// After the generation of the parts, the snippet changes its AST
// That's why they are the last thing to be generated
MicrobenchmarkGenerator g = new MicrobenchmarkGenerator();
runGenerators(g, snippets);
log.info("Microbenchmarks generated");
printStats(totalSnippets, accepted, g, complyingSnippets);
} catch (Exception e) {
log.fatal("Process failed");
throw new RuntimeException(e);
}
}
