Class: AppProfiler::Sampler::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/app_profiler/sampler/config.rb

Constant Summary collapse

SAMPLE_RATE =

0.1%

0.001
TARGETS = 
["/"]
BACKEND_PROBABILITES = 
{ stackprof: 1.0, vernier: 0.0 }

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sample_rate: SAMPLE_RATE, targets: TARGETS, backends_probability: BACKEND_PROBABILITES, backends_config: { stackprof: StackprofConfig.new, }, paths: nil) ⇒ Config

Returns a new instance of Config.

Raises:

  • (ArgumentError) 


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# File 'lib/app_profiler/sampler/config.rb', line 15

def initialize(sample_rate: SAMPLE_RATE,
  targets: TARGETS,
  backends_probability: BACKEND_PROBABILITES,
  backends_config: {
    stackprof: StackprofConfig.new,
  },
  paths: nil)

  if sample_rate < 0.0 || sample_rate > 1.0
    raise ArgumentError, "sample_rate must be between 0 and 1"
  end

  raise ArgumentError, "mode probabilities must sum to 1" unless backends_probability.values.sum == 1.0

  ActiveSupport::Deprecation.new.warn("passing paths is deprecated, use targets instead") if paths

  @sample_rate = sample_rate
  @targets = paths || targets
  @backends_config = backends_config
  @backends_probability = backends_probability
end

Instance Attribute Details

#backends_probability ⇒ Object (readonly)

Returns the value of attribute backends_probability.



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# File 'lib/app_profiler/sampler/config.rb', line 8

def backends_probability
  @backends_probability
end

#cpu_interval ⇒ Object (readonly)

Returns the value of attribute cpu_interval.



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# File 'lib/app_profiler/sampler/config.rb', line 8

def cpu_interval
  @cpu_interval
end

#sample_rate ⇒ Object (readonly)

Returns the value of attribute sample_rate.



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# File 'lib/app_profiler/sampler/config.rb', line 8

def sample_rate
  @sample_rate
end

#targets ⇒ Object (readonly)

Returns the value of attribute targets.



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# File 'lib/app_profiler/sampler/config.rb', line 8

def targets
  @targets
end

Instance Method Details

#get_backend_config(backend_name) ⇒ Object 



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# File 'lib/app_profiler/sampler/config.rb', line 37

def get_backend_config(backend_name)
  @backends_config[backend_name]
end