Bug #1152 » 1152.patch
| lib/profiler.rb (working copy) | ||
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module Profiler__
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# internal values
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@@start = @@stack = @@map = nil
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@@start = nil # the start time that profiling began
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@@stacks = nil # the map of stacks keyed by thread
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@@maps = nil # the map of call data keyed by thread, class and id. Call data contains the call count, total time,
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PROFILE_PROC = proc{|event, file, line, id, binding, klass|
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case event
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when "call", "c-call"
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now = Process.times[0]
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@@stack.push [now, 0.0]
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stack = (@@stacks[Thread.current] ||= [])
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stack.push [now, 0.0]
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when "return", "c-return"
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now = Process.times[0]
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key = [klass, id]
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if tick = @@stack.pop
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data = (@@map[key] ||= [0, 0.0, 0.0, key])
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stack = (@@stacks[Thread.current] ||= [])
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if tick = stack.pop
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threadMap = (@@maps[Thread.current] ||= {})
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data = (threadMap[key] ||= [0, 0.0, 0.0, key])
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data[0] += 1
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cost = now - tick[0]
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data[1] += cost
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data[2] += cost - tick[1]
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@@stack[-1][1] += cost if @@stack[-1]
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stack[-1][1] += cost if stack[-1]
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end
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end
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}
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module_function
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def start_profile
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@@start = Process.times[0]
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@@stack = []
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@@map = {}
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@@stacks = {}
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@@maps = {}
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set_trace_func PROFILE_PROC
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end
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def stop_profile
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| ... | ... | |
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stop_profile
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total = Process.times[0] - @@start
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if total == 0 then total = 0.01 end
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data = @@map.values
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totals = {}
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@@maps.values.each { |threadMap|
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threadMap.each {|key, data|
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total_data = (totals[key] ||= [0, 0.0, 0.0, key])
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total_data[0] += data[0]
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total_data[1] += data[1] #TODO summing this field doesn't make much sense?
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total_data[2] += data[2]
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}
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}
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# Maybe we should show a per thread output and a totals view?
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data = totals.values
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data = data.sort_by{|x| -x[2]}
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sum = 0
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f.printf " %% cumulative self self total\n"
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