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-rw-r--r--benchmark/bm_vm3_backtrace.rb22
1 files changed, 22 insertions, 0 deletions
diff --git a/benchmark/bm_vm3_backtrace.rb b/benchmark/bm_vm3_backtrace.rb
new file mode 100644
index 0000000000..0fbf73e1ca
--- /dev/null
+++ b/benchmark/bm_vm3_backtrace.rb
@@ -0,0 +1,22 @@
+# get last backtrace
+
+begin
+ caller(0, 0)
+rescue ArgumentError
+ alias caller_orig caller
+ def caller lev, n
+ caller_orig(lev)[0..n]
+ end
+end
+
+def rec n
+ if n < 0
+ 100_000.times{
+ caller(0, 1)
+ }
+ else
+ rec(n-1)
+ end
+end
+
+rec 50