For YJIT stats, set avg_len_in_yjit to 0 if denominator would be 0

ruby · May 9, 2023 · a8c635e · a8c635e
1 parent 986268a
commit a8c635e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/yjit.rb b/yjit.rb
@@ -165,7 +165,7 @@ def self.runtime_stats(context: false)
     retired_in_yjit = stats[:exec_instruction] - side_exits
 
     # Average length of instruction sequences executed by YJIT
-    avg_len_in_yjit = retired_in_yjit.to_f / total_exits
+    avg_len_in_yjit = total_exits > 0 ? retired_in_yjit.to_f / total_exits : 0
 
     # This only available on yjit stats builds
     if stats.key?(:vm_insns_count)