Class: Profiler::Collectors::FunctionProfilerCollector

Inherits:
BaseCollector
  • Object
show all
Defined in:
lib/profiler/collectors/function_profiler_collector.rb

Defined Under Namespace

Classes: CallFrame

Constant Summary collapse

GC_FRAME_NAME = 
"(garbage collection)"

Instance Attribute Summary

Attributes inherited from BaseCollector

#profile

Instance Method Summary collapse

Methods inherited from BaseCollector

descendants, inherited, #initialize, #panel_content, #render_html, #render_mode

Constructor Details

This class inherits a constructor from Profiler::Collectors::BaseCollector

Instance Method Details

#collect ⇒ Object 



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# File 'lib/profiler/collectors/function_profiler_collector.rb', line 77

def collect
  mode  = Thread.current[:fn_profiler_mode]  || Profiler.function_profiling_mode
  clock = Thread.current[:fn_profiler_clock] || Profiler.function_profiling_clock
  Thread.current[:fn_profiler_mode]  = nil
  Thread.current[:fn_profiler_clock] = nil

  if mode == "lite" && defined?(StackProf)
    StackProf.stop
    result   = StackProf.results
    wall_ms  = (Process.clock_gettime(Process::CLOCK_MONOTONIC) - (Thread.current[:fn_profiler_wall_start] || 0)) * 1000
    cpu_ms   = (Process.clock_gettime(Process::CLOCK_PROCESS_CPUTIME_ID) - (Thread.current[:fn_profiler_cpu_start] || 0)) * 1000
    Thread.current[:fn_profiler_wall_start] = nil
    Thread.current[:fn_profiler_cpu_start]  = nil
    collect_stackprof(result, mode, clock, wall_ms, cpu_ms)
  else
    collect_tracepoint(mode)
  end
end

#has_data? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/profiler/collectors/function_profiler_collector.rb', line 41

def has_data?
  false
end

#icon ⇒ Object 



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# File 'lib/profiler/collectors/function_profiler_collector.rb', line 22

def icon
  "⚡"
end

#name ⇒ Object 



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# File 'lib/profiler/collectors/function_profiler_collector.rb', line 18

def name
  "function_profile"
end

#priority ⇒ Object 



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# File 'lib/profiler/collectors/function_profiler_collector.rb', line 26

def priority
  31
end

#subscribe ⇒ Object 



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# File 'lib/profiler/collectors/function_profiler_collector.rb', line 45

def subscribe
  unless Profiler.function_profiling_enabled
    store_data({
      enabled:    false,
      max_frames: Profiler.function_profiling_max_frames,
      mode:       Profiler.function_profiling_mode,
      clock:      Profiler.function_profiling_clock
    })
    return
  end

  mode  = Profiler.function_profiling_mode
  clock = Profiler.function_profiling_clock
  Thread.current[:fn_profiler_mode]  = mode
  Thread.current[:fn_profiler_clock] = clock

  if mode == "lite" && defined?(StackProf)
    # Always record wall + cpu at request level for the comparison stat
    Thread.current[:fn_profiler_wall_start] = Process.clock_gettime(Process::CLOCK_MONOTONIC)
    Thread.current[:fn_profiler_cpu_start]  = Process.clock_gettime(Process::CLOCK_PROCESS_CPUTIME_ID)

    sp_mode = case clock
              when "cpu"    then :cpu
              when "object" then :object
              else               :wall
              end
    StackProf.start(mode: sp_mode, interval: 1000, raw: true)
  else
    subscribe_tracepoint(mode)
  end
end

#tab_config ⇒ Object 



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# File 'lib/profiler/collectors/function_profiler_collector.rb', line 30

def tab_config
  {
    key: "function_profile",
    label: "Function Profile",
    icon: icon,
    priority: priority,
    enabled: false,
    default_active: false
  }
end

#toolbar_summary ⇒ Object 



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# File 'lib/profiler/collectors/function_profiler_collector.rb', line 96

def toolbar_summary
  return { text: "off", color: "gray" } unless Profiler.function_profiling_enabled
  case Profiler.function_profiling_mode
  when "lite" then { text: "sampling on", color: "blue" }
  else             { text: "fn profiling on", color: "purple" }
  end
end