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Add optional IO arg for .print_stackcollapse #119

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Add optional IO arg for .print_stackcollapse #119

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6 changes: 3 additions & 3 deletions lib/stackprof/report.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -73,15 +73,15 @@ def print_json(f=STDOUT)
f.puts JSON.generate(@data, max_nesting: false)
end

def print_stackcollapse
def print_stackcollapse(f=STDOUT)
raise "profile does not include raw samples (add `raw: true` to collecting StackProf.run)" unless raw = data[:raw]

while len = raw.shift
frames = raw.slice!(0, len)
weight = raw.shift

print frames.map{ |a| data[:frames][a][:name] }.join(';')
puts " #{weight}"
f.print frames.map{ |a| data[:frames][a][:name] }.join(';')
f.puts " #{weight}"
end
end

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