34 lines
1007 B
Haskell
34 lines
1007 B
Haskell
#!/usr/bin/env runhaskell
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-- simplifyprof.hs somefile.prof
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-- filter uninteresting fields from GHC profile output
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-- tested with GHC 6.8
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-- Simon Michael 2007,2008
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import Data.List
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import System.Environment
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import Text.Printf
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main = do
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args <- getArgs
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let f = head args
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s <- readFile f
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let ls = lines s
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let (firstpart, secondpart) = break ("individual inherited" `isInfixOf`) ls
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putStr $ unlines firstpart
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let fields = map getfields $ filter (not . null) $ drop 2 secondpart
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let maxnamelen = maximum $ map (length . head) fields
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let fmt = "%-" ++ show maxnamelen ++ "s %10s %5s %6s %9s %10s"
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putStrLn $ showheading fmt
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putStr $ unlines $ map (format fmt) fields
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getfields s = name:rest
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where
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space = takeWhile (==' ') s
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fields = words s
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name = space ++ head fields
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rest = drop 3 fields
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showheading fmt = format fmt ["cost centre","entries","%time","%alloc","%time-inh","%alloc-inh"]
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format fmt (s1:s2:s3:s4:s5:s6:[]) = printf fmt s1 s2 s3 s4 s5 s6
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