Class: MemoryProfiler::Results
- Inherits:
-
Object
- Object
- MemoryProfiler::Results
- Defined in:
- lib/memory_profiler/results.rb
Instance Attribute Summary collapse
-
#strings_allocated ⇒ Object
Returns the value of attribute strings_allocated.
-
#strings_retained ⇒ Object
Returns the value of attribute strings_retained.
-
#total_allocated ⇒ Object
Returns the value of attribute total_allocated.
-
#total_allocated_memsize ⇒ Object
Returns the value of attribute total_allocated_memsize.
-
#total_retained ⇒ Object
Returns the value of attribute total_retained.
-
#total_retained_memsize ⇒ Object
Returns the value of attribute total_retained_memsize.
Class Method Summary collapse
Instance Method Summary collapse
-
#pretty_print(io = STDOUT, **options) ⇒ Object
Output the results of the report.
- #register_results(allocated, retained, top) ⇒ Object
- #string_report(data, top) ⇒ Object
Instance Attribute Details
#strings_allocated ⇒ Object
Returns the value of attribute strings_allocated.
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# File 'lib/memory_profiler/results.rb', line 18 def strings_allocated @strings_allocated end |
#strings_retained ⇒ Object
Returns the value of attribute strings_retained.
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# File 'lib/memory_profiler/results.rb', line 18 def strings_retained @strings_retained end |
#total_allocated ⇒ Object
Returns the value of attribute total_allocated.
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# File 'lib/memory_profiler/results.rb', line 19 def total_allocated @total_allocated end |
#total_allocated_memsize ⇒ Object
Returns the value of attribute total_allocated_memsize.
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# File 'lib/memory_profiler/results.rb', line 20 def total_allocated_memsize @total_allocated_memsize end |
#total_retained ⇒ Object
Returns the value of attribute total_retained.
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# File 'lib/memory_profiler/results.rb', line 19 def total_retained @total_retained end |
#total_retained_memsize ⇒ Object
Returns the value of attribute total_retained_memsize.
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# File 'lib/memory_profiler/results.rb', line 20 def total_retained_memsize @total_retained_memsize end |
Class Method Details
.register_type(name, stat_attribute) ⇒ Object
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# File 'lib/memory_profiler/results.rb', line 4 def self.register_type(name, stat_attribute) @@lookups ||= [] @@lookups << [name, stat_attribute] ["allocated", "retained"].product(["objects", "memory"]).each do |type, metric| attr_accessor "#{type}_#{metric}_by_#{name}" end end |
Instance Method Details
#pretty_print(io = STDOUT, **options) ⇒ Object
Output the results of the report
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# File 'lib/memory_profiler/results.rb', line 66 def pretty_print(io = STDOUT, **) io = File.open([:to_file], "w") if [:to_file] color_output = .fetch(:color_output) { io.respond_to?(:isatty) && io.isatty } @colorize = color_output ? Polychrome.new : Monochrome.new io.puts "Total allocated: #{total_allocated_memsize} bytes (#{total_allocated} objects)" io.puts "Total retained: #{total_retained_memsize} bytes (#{total_retained} objects)" io.puts ["allocated", "retained"] .product(["memory", "objects"]) .product(["gem", "file", "location", "class"]) .each do |(type, metric), name| dump "#{type} #{metric} by #{name}", self.send("#{type}_#{metric}_by_#{name}"), io end io.puts dump_strings(io, "Allocated", strings_allocated) io.puts dump_strings(io, "Retained", strings_retained) io.close if io.is_a? File end |
#register_results(allocated, retained, top) ⇒ Object
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# File 'lib/memory_profiler/results.rb', line 22 def register_results(allocated, retained, top) @@lookups.each do |name, stat_attribute| memsize_results, count_results = allocated.top_n(top, stat_attribute) self.send("allocated_memory_by_#{name}=", memsize_results) self.send("allocated_objects_by_#{name}=", count_results) memsize_results, count_results = retained.top_n(top, stat_attribute) self.send("retained_memory_by_#{name}=", memsize_results) self.send("retained_objects_by_#{name}=", count_results) end self.strings_allocated = string_report(allocated, top) self.strings_retained = string_report(retained, top) self.total_allocated = allocated.size self.total_allocated_memsize = allocated.values.map!(&:memsize).inject(0, :+) self.total_retained = retained.size self.total_retained_memsize = retained.values.map!(&:memsize).inject(0, :+) self end |
#string_report(data, top) ⇒ Object
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# File 'lib/memory_profiler/results.rb', line 49 def string_report(data, top) data.values .keep_if { |stat| stat.string_value } .map! { |stat| [stat.string_value, stat.location] } .group_by { |string, _location| string } .sort_by {|string, list| [-list.size, string] } .first(top) .map { |string, list| [string, list.group_by { |_string, location| location } .map { |location, locations| [location, locations.size] } ] } end |