diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 19:08:43 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 19:08:43 +0000 |
commit | d464704f111d211c1f1ff9ef23ef1d755054be00 (patch) | |
tree | b58b17b645dc463322e5fca57fe282360db659c9 /ruby_1_8_5/lib/profiler.rb | |
parent | e4f06b3f2dec4b5d6334c5e9907e1cecbf649fc4 (diff) |
add tag v1_8_5_54
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_54@12952 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_5/lib/profiler.rb')
-rw-r--r-- | ruby_1_8_5/lib/profiler.rb | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/ruby_1_8_5/lib/profiler.rb b/ruby_1_8_5/lib/profiler.rb new file mode 100644 index 0000000000..9762fa1181 --- /dev/null +++ b/ruby_1_8_5/lib/profiler.rb @@ -0,0 +1,59 @@ +module Profiler__ + # internal values + @@start = @@stack = @@map = nil + PROFILE_PROC = proc{|event, file, line, id, binding, klass| + case event + when "call", "c-call" + now = Process.times[0] + @@stack.push [now, 0.0] + when "return", "c-return" + now = Process.times[0] + key = [klass, id] + if tick = @@stack.pop + data = (@@map[key] ||= [0, 0.0, 0.0, key]) + data[0] += 1 + cost = now - tick[0] + data[1] += cost + data[2] += cost - tick[1] + @@stack[-1][1] += cost if @@stack[-1] + end + end + } +module_function + def start_profile + @@start = Process.times[0] + @@stack = [] + @@map = {} + set_trace_func PROFILE_PROC + end + def stop_profile + set_trace_func nil + end + def print_profile(f) + stop_profile + total = Process.times[0] - @@start + if total == 0 then total = 0.01 end + 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], get_name(*d[3]) + end + f.printf "%6.2f %8.2f %8.2f %8d ", 0.0, total, 0.0, 1 # ??? + f.printf "%8.2f %8.2f %s\n", 0.0, total*1000, "#toplevel" # ??? + end + def get_name(klass, id) + name = klass.to_s || "" + if klass.kind_of? Class + name += "#" + else + name += "." + end + name + id.id2name + end + private :get_name +end |