Class: Omnizip::Profiler

Inherits:
Object
  • Object
show all
Defined in:
lib/omnizip/profiler.rb,
lib/omnizip/profiler/memory_profiler.rb,
lib/omnizip/profiler/method_profiler.rb,
lib/omnizip/profiler/report_generator.rb

Overview

Main profiler interface using Strategy pattern for different profiling approaches

Defined Under Namespace

Classes: MemoryProfiler, MethodProfiler, ReportGenerator

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(profile_name: "default", enabled: true) ⇒ Profiler

Returns a new instance of Profiler.



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# File 'lib/omnizip/profiler.rb', line 11

def initialize(profile_name: "default", enabled: true)
  @profile_name = profile_name
  @enabled = enabled
  @report = Models::ProfileReport.new(profile_name: profile_name)
  @profilers = {}
end

Instance Attribute Details

#enabled ⇒ Object (readonly)

Returns the value of attribute enabled.



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# File 'lib/omnizip/profiler.rb', line 9

def enabled
  @enabled
end

#report ⇒ Object (readonly)

Returns the value of attribute report.



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# File 'lib/omnizip/profiler.rb', line 9

def report
  @report
end

Instance Method Details

#analyze_hot_paths(threshold_percentage: 10.0) ⇒ Object

Analyze collected results and identify hot paths



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# File 'lib/omnizip/profiler.rb', line 48

def analyze_hot_paths(threshold_percentage: 10.0)
  total_time = report.total_execution_time
  return [] if total_time.zero?

  threshold_time = total_time * (threshold_percentage / 100.0)

  hot_operations = report.results.select do |result|
    result.total_time && result.total_time >= threshold_time
  end

  hot_operations.each do |op|
    @report.add_hot_path(
      operation: op.operation_name,
      time: op.total_time,
      percentage: (op.total_time / total_time) * 100,
    )
  end

  hot_operations
end

#disable! ⇒ Object

Disable profiling



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# File 'lib/omnizip/profiler.rb', line 154

def disable!
  @enabled = false
end

#enable! ⇒ Object

Enable profiling



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# File 'lib/omnizip/profiler.rb', line 149

def enable!
  @enabled = true
end

#generate_suggestions ⇒ Object

Generate optimization suggestions based on profiling data



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# File 'lib/omnizip/profiler.rb', line 115

def generate_suggestions
  # Analyze hot paths for optimization opportunities
  suggestions = analyze_hot_paths.map do |hot_op|
    Models::OptimizationSuggestion.new(
      title: "Optimize hot path: #{hot_op.operation_name}",
      description: "Operation consuming #{hot_op.total_time}s " \
                   "(#{((hot_op.total_time / report.total_execution_time) * 100).round(1)}% of total time)",
      severity: :high,
      category: :hotpath,
      impact_estimate: hot_op.total_time / report.total_execution_time,
      related_operations: [hot_op.operation_name],
      metrics: { time: hot_op.total_time },
    )
  end

  # Analyze memory usage
  report.memory_intensive_operations(limit: 3).each do |mem_op|
    next unless mem_op.memory_allocated > 1_000_000 # > 1MB

    suggestions << Models::OptimizationSuggestion.new(
      title: "Reduce memory allocation: #{mem_op.operation_name}",
      description: "Operation allocating #{format_bytes(mem_op.memory_allocated)}",
      severity: calculate_memory_severity(mem_op),
      category: :memory,
      impact_estimate: mem_op.memory_allocated / report.total_memory_allocated.to_f,
      related_operations: [mem_op.operation_name],
      metrics: { memory_allocated: mem_op.memory_allocated },
    )
  end

  suggestions.sort_by(&:priority_score).reverse
end

#identify_bottlenecks ⇒ Object

Identify performance bottlenecks



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# File 'lib/omnizip/profiler.rb', line 70

def identify_bottlenecks
  bottlenecks = []

  # Memory bottlenecks
  memory_intensive = report.memory_intensive_operations(limit: 3)
  memory_intensive.each do |op|
    bottlenecks << {
      type: :memory,
      operation: op.operation_name,
      allocated: op.memory_allocated,
      severity: calculate_memory_severity(op),
    }
    @report.add_bottleneck(bottlenecks.last)
  end

  # CPU bottlenecks
  cpu_intensive = report.slowest_operations(limit: 3)
  cpu_intensive.each do |op|
    bottlenecks << {
      type: :cpu,
      operation: op.operation_name,
      time: op.total_time,
      severity: calculate_cpu_severity(op),
    }
    @report.add_bottleneck(bottlenecks.last)
  end

  # GC pressure bottlenecks
  high_gc = report.results.select do |r|
    r.gc_pressure && r.gc_pressure > 1.0
  end
  high_gc.each do |op|
    bottlenecks << {
      type: :gc,
      operation: op.operation_name,
      gc_pressure: op.gc_pressure,
      severity: :high,
    }
    @report.add_bottleneck(bottlenecks.last)
  end

  bottlenecks
end

#profile(operation_name, profiler_type: :method, &block) ⇒ Object

Profile a block of code with the specified profiler strategy



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# File 'lib/omnizip/profiler.rb', line 24

def profile(operation_name, profiler_type: :method, &block)
  return yield unless enabled

  profiler = @profilers[profiler_type]
  unless profiler
    raise ArgumentError,
          "Unknown profiler type: #{profiler_type}"
  end

  result = profiler.profile(operation_name, &block)
  @report.add_result(result)
  result
end

#profile_method(object, method_name, *args, profiler_type: :method, **kwargs) ⇒ Object

Profile a method call with automatic naming



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# File 'lib/omnizip/profiler.rb', line 39

def profile_method(object, method_name, *args, profiler_type: :method,
                   **kwargs)
  operation_name = "#{object.class}##{method_name}"
  profile(operation_name, profiler_type: profiler_type) do
    object.public_send(method_name, *args, **kwargs)
  end
end

#register_profiler(name, profiler) ⇒ Object

Register a profiler strategy



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# File 'lib/omnizip/profiler.rb', line 19

def register_profiler(name, profiler)
  @profilers[name] = profiler
end

#reset! ⇒ Object

Reset profiler state



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# File 'lib/omnizip/profiler.rb', line 159

def reset!
  @report = Models::ProfileReport.new(profile_name: @profile_name)
end