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* lib/profiler.rb: fixed "undefined method `[]' for nil:NilClass"
[ruby-core:4775] [ruby-talk:140401] [ruby-dev:26118] git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@8408 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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May 8, 2005
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,59 +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] | ||
now = Process.times[0] | ||
@@stack.push [now, 0.0] | ||
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 += "." | ||
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 | ||
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"]} | ||
@@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 = Float(Times::times[0]) - @@start | ||
total = Process.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 " %% 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] | ||
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 |