Add calculation of most used rules

build-scripts/profile_tool.py

@@ -449,7 +449,43 @@ def stats(args):
             print(",".join([str(value) for value in line.values()]))
 
 
-SUBCMDS = dict(stats=stats, sub=sub)
+def _count_rules_per_profile(profile, rules):
+    for rule in profile.get("rules", []):
+        if rule in rules:
+            rules[rule] += 1
+        else:
+            rules[rule] = 1
+
+
+def _count_rules_per_benchmark(benchmark, rules):
+    benchmark = ssg.build_profile.XCCDFBenchmark(benchmark)
+    for profile in benchmark.get_all_profile_stats():
+        _count_rules_per_profile(profile, rules)
+
+
+def most_used_rules(args):
+    rules = {}
+    for benchmark in args.benchmarks:
+        _count_rules_per_benchmark(benchmark, rules)
+
+    sorted_rules = {
+        k: v for k, v in sorted(rules.items(), key=lambda x: x[1], reverse=True)
+    }
+
+    f_string = "{}: {}"
+
+    if args.format == "json":
+        print(json.dumps(sorted_rules, indent=4))
+        return
+    elif args.format == "csv":
+        print("rule_id,count_of_profiles")
+        f_string = "{},{}"
+
+    for rule_id, rule_count in rules.items():
+        print(f_string.format(rule_id, rule_count))
+
+
+SUBCMDS = {"stats": stats, "sub": sub, "most-used-rules": most_used_rules}
 
 
 def main():