diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2002-12-20 09:00:10 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2002-12-20 09:00:10 +0000 |
commit | 71ef585f4e9f0fb4e98fe0567a6af5670b25d2f9 (patch) | |
tree | 0a57481c81883c85b9f19c7bf71a536f6342b41c /lib/profiler.rb | |
parent | bc49bc7c6b6a16d725cd1279e9021465b1307f3d (diff) |
* object.c (Init_Object): should not remove Class#allocate.
* lib/profiler.rb: separate profiling functions, without
trace_func and at_exit setting.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/profiler.rb')
-rw-r--r-- | lib/profiler.rb | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/profiler.rb b/lib/profiler.rb new file mode 100644 index 0000000000..74e9b96295 --- /dev/null +++ b/lib/profiler.rb @@ -0,0 +1,59 @@ +module Profiler__ + Times = if defined? Process.times then Process else Time end + # internal values + @@start = @@stack = @@map = nil + PROFILE_PROC = proc{|event, file, line, id, binding, klass| + case event + when "call", "c-call" + now = Float(Times::times[0]) + @@stack.push [now, 0.0, id] + when "return", "c-return" + now = Float(Times::times[0]) + tick = @@stack.pop + name = klass.to_s + if name.nil? then name = '' end + if klass.kind_of? Class + name += "#" + else + name += "." + end + name += id.id2name + data = @@map[name] + unless data + data = [0.0, 0.0, 0.0, name] + @@map[name] = data + end + data[0] += 1 + cost = now - tick[0] + data[1] += cost + data[2] += cost - tick[1] + @@stack[-1][1] += cost + end + } +module_function + def start_profile + @@start = Float(Times::times[0]) + @@stack = [[0, 0, :toplevel], [0, 0, :dummy]] + @@map = {"#toplevel" => [1, 0, 0, "#toplevel"]} + set_trace_func PROFILE_PROC + end + def stop_profile + set_trace_func nil + end + def print_profile(f) + stop_profile + total = Float(Times::times[0]) - @@start + if total == 0 then total = 0.01 end + @@map["#toplevel"][1] = total + data = @@map.values + data.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 + end +end |