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Contents
module Rack::Insight
#Variant of the Speed Tracer Panel that performs a nearly complete profile of
#all code called during a request. Note that this will slow overall response
#time by several orders of magnitude, and may return more data than
#SpeedTracer is prepared to display
class ProfilingSpeedTracer < SpeedTracer
def before(env)
super
tracer = env['st.tracer']
Kernel::set_trace_func proc {|event, file, line, name, binding,classname|
case event
when "c-call", "call"
methodname = classname ? "" : classname
methodname += name.to_s
tracer.start_event(file, line, name, classname || "", "")
when "c-return", "return"
tracer.finish_event
end
}
end
def after(env, status, headers, body)
Kernel::set_trace_func(nil)
super
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems