1 files changed, 55 insertions, 0 deletions
diff --git a/lib/profile.rb b/lib/profile.rb
new file mode 100644
index 0000000000..e4b1b4b189
--- /dev/null
+++ b/lib/profile.rb
@@ -0,0 +1,55 @@
+
+module Profiler__
+  Start = Float(Time.times[0])
+  top = "toplevel".intern
+  Stack = [[0, 0, top]]
+  MAP = {top => [1, 0, 0, "#toplevel"]}
+
+  p = proc{|event, file, line, id, binding, klass|
+    case event
+    when "call", "c-call"
+      now = Float(Time.times[0])
+      Stack.push [now, 0.0, id]
+    when "return", "c-return"
+      now = Float(Time.times[0])
+      tick = Stack.pop
+      data = MAP[id]
+      unless data
+	name = klass.to_s
+	if name.nil? then name = '' end
+	if klass.kind_of? Class
+	  name += "#"
+	else
+	  name += "."
+	end
+	data = [0.0, 0.0, 0.0, name+id.id2name]
+	MAP[id] = data
+      end
+      data[0] += 1
+      cost = now - tick[0]
+      data[1] += cost
+      data[2] += cost - tick[1]
+      Stack[-1][1] += cost
+    end
+  }
+  END {
+    set_trace_func nil
+    total = Float(Time.times[0]) - Start
+    if total == 0 then total = 0.01 end
+    MAP[:toplevel][1] = total
+#    f = open("./rmon.out", "w")
+    f = STDERR
+    data = MAP.values.sort!{|a,b| b[2] <=> a[2]}
+    sum = 0
+    f.printf "  %%   cumulative   self              self     total\n"           
+    f.printf " time   seconds   seconds    calls  ms/call  ms/call  name\n"
+    for d in data
+      sum += d[2]
+      f.printf "%6.2f %8.2f  %8.2f %8d ", d[2]/total*100, sum, d[2], d[0]
+      f.printf "%8.2f %8.2f  %s\n", d[2]*1000/d[0], d[1]*1000/d[0], d[3]
+    end
+    p total
+    f.close
+  }
+  set_trace_func p
+end