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module Lrama
class Report
module Profile
# 1. Wrap target method with Profile.report_profile like below:
#
# Lrama::Report::Profile.report_profile { method }
#
# 2. Run lrama command, for example
#
# $ ./exe/lrama --trace=time spec/fixtures/integration/ruby_3_2_0/parse.tmp.y
#
# 3. Generate html file
#
# $ stackprof --d3-flamegraph tmp/stackprof-cpu-myapp.dump > tmp/flamegraph.html
#
def self.report_profile
require "stackprof"
StackProf.run(mode: :cpu, raw: true, out: 'tmp/stackprof-cpu-myapp.dump') do
yield
end
end
end
module Duration
def self.enable
@_report_duration_enabled = true
end
def self.enabled?
!!@_report_duration_enabled
end
def report_duration(method_name)
time1 = Time.now.to_f
result = yield
time2 = Time.now.to_f
if Duration.enabled?
puts sprintf("%s %10.5f s", method_name, time2 - time1)
end
return result
end
end
end
end
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