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| Dir : //proc/thread-self/root/proc/self/root/proc/self/root/opt/alt/ruby19/lib64/ruby/1.9.1/profiler.rb |
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 = data.sort_by{|x| -x[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