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profiler.rb: Wrapper for BasicObject

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* lib/profiler.rb (Profiler__::Wrapper): support calling singleton
  methods of an instance of BasicObject.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2012-12-23 08:57:27 +00:00
parent ef6abd10c7
commit c81a5012f1
2 changed files with 23 additions and 24 deletions
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5
ChangeLog
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@ -1,4 +1,7 @@
Sun Dec 23 17:57:19 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
Sun Dec 23 17:57:25 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
* lib/profiler.rb (Profiler__::Wrapper): support calling singleton
methods of an instance of BasicObject.
* lib/profiler.rb (Profiler__::PROFILE_PROC): use TracePoint.

42
lib/profiler.rb
View file

@ -58,8 +58,22 @@
# 0.00 0.19 0.00 1 0.00 190.00 #toplevel
module Profiler__
class Wrapper < Struct.new(:defined_class, :method_id, :hash) # :nodoc:
private :defined_class=, :method_id=, :hash=
def initialize(klass, mid)
super(klass, mid, nil)
self.hash = Struct.instance_method(:hash).bind(self).call
end
def to_s
"#{defined_class.inspect}#".sub(/\A\#<Class:(.*)>#\z/, '\1.') << method_id.to_s
end
alias inspect to_s
end
# internal values
@@start = @@stack = @@map = @@array = nil
@@start = @@stack = @@map = nil
PROFILE_PROC = TracePoint.new(:call, :c_call, :return, :c_return) {|tp|
case tp.event
when :call, :c_call
@ -67,13 +81,9 @@ module Profiler__
@@stack.push [now, 0.0]
when :return, :c_return
now = Process.times[0]
key = [tp.defined_class, tp.method_id]
key = Wrapper.new(tp.defined_class, tp.method_id)
if tick = @@stack.pop
data = begin
@@map[key] ||= [0, 0.0, 0.0, key]
rescue NoMethodError
@@array.find{|i| i[3] == key} || (@@array << [0, 0.0, 0.0, key])[-1]
end
data = (@@map[key] ||= [0, 0.0, 0.0, key])
data[0] += 1
cost = now - tick[0]
data[1] += cost
@ -87,7 +97,6 @@ module_function
@@start = Process.times[0]
@@stack = []
@@map = {}
@@array = []
PROFILE_PROC.enable
end
def stop_profile
@ -97,7 +106,7 @@ module_function
stop_profile
total = Process.times[0] - @@start
if total == 0 then total = 0.01 end
data = @@map.values + @@array
data = @@map.values
data = data.sort_by{|x| -x[2]}
sum = 0
f.printf " %% cumulative self self total\n"
@ -105,22 +114,9 @@ module_function
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])
f.printf "%8.2f %8.2f %s\n", d[2]*1000/d[0], d[1]*1000/d[0], 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
rescue NoMethodError => e
name = e.message.slice(/#<.*?:0x[0-9a-f]+>/) || ""
name + "." + id.id2name
end
private :get_name
end