Merge branch 'hotspot-2-formal' of github.com:Smityz/pegasus into hot…

…spot-2-formal
apache · Sep 16, 2020 · 556c16c · 556c16c
2 parents 2edca5d + 7b8a789
commit 556c16c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/server/hotspot_partition_calculator.h b/src/server/hotspot_partition_calculator.h
@@ -46,7 +46,8 @@ class hotspot_partition_calculator
     void data_analyse();
 
 private:
-    // 3σ rule to calculate hot point of each partition
+    // empirical rule to calculate hot point of each partition
+    // ref: https://en.wikipedia.org/wiki/68%E2%80%9395%E2%80%9399.7_rule
     void stat_histories_analyse(int data_type, std::vector<int> &hot_points);
     // set hot_point to corresponding perf_counter
     void update_hot_point(int data_type, std::vector<int> &hot_points);