Module: NewRelic::Agent::MethodTracer::InstanceMethods

Includes:
TraceExecutionScoped
Defined in:
lib/new_relic/agent/method_tracer.rb

Overview

Defines modules used at instrumentation runtime, to do the actual tracing of time spent

Defined Under Namespace

Modules: TraceExecutionScoped

Instance Method Summary collapse

Methods included from TraceExecutionScoped

#agent_instance, #get_metric_stats, #get_stats_scoped, #get_stats_unscoped, #log_errors, #main_stat, #pop_flag!, #push_flag!, #set_if_nil, #stat_engine, #trace_disabled?, #trace_execution_scoped, #trace_execution_scoped_footer, #trace_execution_scoped_header, #traced?

Instance Method Details

#trace_execution_unscoped(metric_names, options = {}) ⇒ Object Also known as: trace_method_execution_no_scope

Trace a given block with stats assigned to the given metric_name. It does not provide scoped measurements, meaning whatever is being traced will not ‘blame the Controller’–that is to say appear in the breakdown chart. This is code is inlined in #add_method_tracer.

  • metric_names is a single name or an array of names of metrics

  • :force => true will force the metric to be captured even when tracing is disabled with NewRelic::Agent#disable_all_tracing



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# File 'lib/new_relic/agent/method_tracer.rb', line 70

def trace_execution_unscoped(metric_names, options={})
  return yield unless NewRelic::Agent.is_execution_traced?
  t0 = Time.now
  stats = Array(metric_names).map do | metric_name |
    NewRelic::Agent.instance.stats_engine.get_stats_no_scope metric_name
  end
  begin
    NewRelic::Agent.instance.push_trace_execution_flag(true) if options[:force]
    yield
  ensure
    NewRelic::Agent.instance.pop_trace_execution_flag if options[:force]
    duration = (Time.now - t0).to_f              # for some reason this is 3 usec faster than Time - Time
    stats.each { |stat| stat.trace_call(duration) }
  end
end

#trace_method_execution(metric_names, push_scope, produce_metric, deduct_call_time_from_parent, &block) ⇒ Object

Deprecated: original method preserved for API backward compatibility. Use either #trace_execution_scoped or #trace_execution_unscoped



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# File 'lib/new_relic/agent/method_tracer.rb', line 53

def trace_method_execution(metric_names, push_scope, produce_metric, deduct_call_time_from_parent, &block) #:nodoc:
  if push_scope
    trace_execution_scoped(metric_names, :metric => produce_metric,
                           :deduct_call_time_from_parent => deduct_call_time_from_parent, &block)
  else
    trace_execution_unscoped(metric_names, &block)
  end
end

#trace_method_execution_with_scope(metric_names, produce_metric, deduct_call_time_from_parent, scoped_metric_only = false, &block) ⇒ Object

Deprecated. Use #trace_execution_scoped, a version with an options hash.



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# File 'lib/new_relic/agent/method_tracer.rb', line 87

def trace_method_execution_with_scope(metric_names, produce_metric, deduct_call_time_from_parent, scoped_metric_only=false, &block) #:nodoc:
  trace_execution_scoped(metric_names,
                         :metric => produce_metric,
                         :deduct_call_time_from_parent => deduct_call_time_from_parent,
                         :scoped_metric_only => scoped_metric_only, &block)
end