From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/benchmark/bm_vm3_backtrace.rb | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 jni/ruby/benchmark/bm_vm3_backtrace.rb

(limited to 'jni/ruby/benchmark/bm_vm3_backtrace.rb')

diff --git a/jni/ruby/benchmark/bm_vm3_backtrace.rb b/jni/ruby/benchmark/bm_vm3_backtrace.rb
new file mode 100644
index 0000000..0fbf73e
--- /dev/null
+++ b/jni/ruby/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
-- 
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