Exclude Classes By Percent

Summary: https://fb.workplace.com/groups/2873758662935731/permalink/3401389683505957/ This change enables exclusion by percent instead of using a unified threshold, it also distinguishs beta data from production data. Reviewed By: NTillmann Differential Revision: D48354184 fbshipit-source-id: 5c19f67e0986824104d4bfcbd6e2610c24a1538b
facebook · Sep 6, 2023 · 61664f4 · 61664f4
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diff --git a/libredex/ConfigFiles.cpp b/libredex/ConfigFiles.cpp
@@ -330,6 +330,10 @@ void ConfigFiles::build_dead_class_and_live_class_split_lists() {
           if (splitter.next()) {
             str = splitter.get();
             from_chars(str, &load_counts.unsampled);
+            if (splitter.next()) {
+              str = splitter.get();
+              from_chars(str, &load_counts.beta_unsampled);
+            }
           }
         }
         bool is_relocated = is_relocated_class(classname);

diff --git a/libredex/ConfigFiles.h b/libredex/ConfigFiles.h
@@ -90,6 +90,7 @@ struct ConfigFiles {
   struct DeadClassLoadCounts {
     int64_t sampled{50}; // legacy
     int64_t unsampled{0};
+    int64_t beta_unsampled{0}; // Whether is beta sample or not
   };
 
   const std::unordered_map<std::string, DeadClassLoadCounts>&