Slurp.hs 23.2 KB
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-----------------------------------------------------------------------------
--
-- (c) Simon Marlow 1997-2005
--
-----------------------------------------------------------------------------

module Slurp (Status(..), Results(..), ResultTable, parse_log) where

import Control.Monad
import qualified Data.Map as Map
import Data.Map (Map)
import Text.Regex
import Data.Maybe
-- import Debug.Trace

-----------------------------------------------------------------------------
-- This is the structure into which we collect our results:

type ResultTable = Map String Results

data Status
        = NotDone
        | Success
        | OutOfHeap
        | OutOfStack
        | Exit Int
        | WrongStdout
        | WrongStderr

data Results = Results {
        compile_time    :: Map String Float,
        module_size     :: Map String Int,
        binary_size     :: Maybe Int,
        link_time       :: Maybe Float,
        run_time        :: [Float],
        elapsed_time    :: [Float],
        mut_time        :: [Float],
        mut_elapsed_time :: [Float],
        instrs          :: Maybe Integer,
        mem_reads       :: Maybe Integer,
        mem_writes      :: Maybe Integer,
        cache_misses    :: Maybe Integer,
        gc_work         :: Maybe Integer,
        gc_time         :: [Float],
        gc_elapsed_time :: [Float],
        gc0_time         :: [Float],
        gc0_elapsed_time :: [Float],
        gc1_time         :: [Float],
        gc1_elapsed_time :: [Float],
        balance         :: [Float],
        allocs          :: Maybe Integer,
        run_status      :: Status,
        compile_status  :: Status
        }

emptyResults :: Results
emptyResults = Results {
        compile_time    = Map.empty,
        module_size     = Map.empty,
        binary_size     = Nothing,
        link_time       = Nothing,
        run_time        = [],
        elapsed_time    = [],
        mut_time        = [],
        mut_elapsed_time = [],
        instrs          = Nothing,
        mem_reads       = Nothing,
        mem_writes      = Nothing,
        cache_misses    = Nothing,
        gc_time         = [],
        gc_elapsed_time = [],
        gc0_time         = [],
        gc0_elapsed_time = [],
        gc1_time         = [],
        gc1_elapsed_time = [],
        balance         = [],
        gc_work         = Nothing,
        allocs          = Nothing,
        compile_status  = NotDone,
        run_status      = NotDone
        }

-----------------------------------------------------------------------------
-- Parse the log file

{-
Various banner lines:

==nofib== awards: size of QSort.o follows...
==nofib== banner: size of banner follows...
==nofib== awards: time to link awards follows...
==nofib== awards: time to run awards follows...
==nofib== boyer2: time to compile Checker follows...
-}

-- NB. the hyphen must come last (or first) inside [...] to stand for itself.
banner_re :: Regex
banner_re = mkRegex "^==nofib==[ \t]+([A-Za-z0-9_-]+):[ \t]+(size of|time to link|time to run|time to compile|time to compile & run)[ \t]+([A-Za-z0-9_-]+)(\\.o)?[ \t]+follows"

{-
This regexp for the output of "time" works on FreeBSD, other versions
of "time" will need different regexps.
-}

time_re :: String -> Maybe (Float, Float, Float)
time_re s = case matchRegex re s of
                Just [real, user, system] ->
                    Just (read real, read user, read system)
                Just _ -> error "time_re: Can't happen"
                Nothing -> Nothing
    where re = mkRegex "^[ \t]*([0-9.]+)[ \t]+real[ \t]+([0-9.]+)[ \t]+user[ \t]+([0-9.]+)[ \t]+sys[ \t]*$"

time_gnu17_re :: String -> Maybe (Float, Float, String)
time_gnu17_re s = case matchRegex re s of
                      Just [user, system, elapsed] ->
                          Just (read user, read system, elapsed)
                      Just _ -> error "time_gnu17_re: Can't happen"
                      Nothing -> Nothing
    where re = mkRegex "^[ \t]*([0-9.]+)user[ \t]+([0-9.]+)system[ \t]+([0-9.:]+)elapsed"
          -- /usr/bin/time --version reports: GNU time 1.7
          -- notice the order is different, and the elapsed time
          -- is [hh:]mm:ss.s

size_re :: String -> Maybe (Int, Int, Int)
size_re s = case matchRegex re s of
                Just [text, datas, bss] ->
                    Just (read text, read datas, read bss)
                Just _ -> error "size_re: Can't happen"
                Nothing -> Nothing
    where re = mkRegex "^[ \t]*([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+)"

{-
<<ghc: 5820820 bytes, 0 GCs, 0/0 avg/max bytes residency (0 samples), 41087234 bytes GC work, 0.00 INIT (0.05 elapsed), 0.08 MUT (0.18 elapsed), 0.00 GC (0.00 elapsed) :ghc>>

        = (bytes, gcs, avg_resid, max_resid, samples, gc_work,
           init, init_elapsed, mut, mut_elapsed, gc, gc_elapsed)

ghc1_re = pre GHC 4.02
ghc2_re = GHC 4.02 (includes "xxM in use")
ghc3_re = GHC 4.03 (includes "xxxx bytes GC work")
ghc5_re = GHC 6.9 (includes GC(0) and GC(1) times)
-}

ghc1_re :: String -> Maybe (Integer, Integer, Integer, Integer, Integer, Integer, Float, Float, Float, Float, Float, Float)
ghc1_re s = case matchRegex re s of
                Just [allocations, gcs, avg_residency, max_residency, samples, gc_work', initialisation, initialisation_elapsed, mut, mut_elapsed, gc, gc_elapsed] ->
                    Just (read allocations, read gcs, read avg_residency, read max_residency, read samples, read gc_work', read initialisation, read initialisation_elapsed, read mut, read mut_elapsed, read gc, read gc_elapsed)
                Just _ -> error "ghc1_re: Can't happen"
                Nothing -> Nothing
    where re = mkRegex "^<<ghc:[ \t]+([0-9]+)[ \t]+bytes,[ \t]*([0-9]+)[ \t]+GCs,[ \t]*([0-9]+)/([0-9]+)[ \t]+avg/max bytes residency \\(([0-9]+) samples\\), ([0-9]+) bytes GC work, ([0-9.]+) INIT \\(([0-9.]+) elapsed\\), ([0-9.]+) MUT \\(([0-9.]+) elapsed\\), ([0-9.]+) GC \\(([0-9.]+) elapsed\\) :ghc>>"

ghc2_re :: String -> Maybe (Integer, Integer, Integer, Integer, Integer, Integer, Float, Float, Float, Float, Float, Float)
ghc2_re s = case matchRegex re s of
                Just [allocations, gcs, avg_residency, max_residency, samples, in_use, initialisation, initialisation_elapsed, mut, mut_elapsed, gc, gc_elapsed] ->
                    Just (read allocations, read gcs, read avg_residency, read max_residency, read samples, read in_use, read initialisation, read initialisation_elapsed, read mut, read mut_elapsed, read gc, read gc_elapsed)
                Just _ -> error "ghc2_re: Can't happen"
                Nothing -> Nothing
    where re = mkRegex "^<<ghc:[ \t]+([0-9]+)[ \t]+bytes,[ \t]*([0-9]+)[ \t]+GCs,[ \t]*([0-9]+)/([0-9]+)[ \t]+avg/max bytes residency \\(([0-9]+) samples\\), ([0-9]+)M in use, ([0-9.]+) INIT \\(([0-9.]+) elapsed\\), ([0-9.]+) MUT \\(([0-9.]+) elapsed\\), ([0-9.]+) GC \\(([0-9.]+) elapsed\\) :ghc>>"

ghc3_re :: String -> Maybe (Integer, Integer, Integer, Integer, Integer, Integer, Integer, Float, Float, Float, Float, Float, Float)
ghc3_re s = case matchRegex re s of
                Just [allocations, gcs, avg_residency, max_residency, samples, gc_work', in_use, initialisation, initialisation_elapsed, mut, mut_elapsed, gc, gc_elapsed] ->
                    Just (read allocations, read gcs, read avg_residency, read max_residency, read samples, read gc_work', read in_use, read initialisation, read initialisation_elapsed, read mut, read mut_elapsed, read gc, read gc_elapsed)
                Just _ -> error "ghc3_re: Can't happen"
                Nothing -> Nothing
    where re = mkRegex "^<<ghc:[ \t]+([0-9]+)[ \t]+bytes,[ \t]*([0-9]+)[ \t]+GCs,[ \t]*([0-9]+)/([0-9]+)[ \t]+avg/max bytes residency \\(([0-9]+) samples\\), ([0-9]+) bytes GC work, ([0-9]+)M in use, ([0-9.]+) INIT \\(([0-9.]+) elapsed\\), ([0-9.]+) MUT \\(([0-9.]+) elapsed\\), ([0-9.]+) GC \\(([0-9.]+) elapsed\\) :ghc>>"

ghc4_re :: String -> Maybe (Integer, Integer, Integer, Integer, Integer, Integer, Integer, Float, Float, Float, Float, Float, Float, Integer, Integer, Integer, Integer)
ghc4_re s = case matchRegex re s of
                Just [allocations, gcs, avg_residency, max_residency, samples, gc_work', in_use, initialisation, initialisation_elapsed, mut, mut_elapsed, gc, gc_elapsed, instructions, memory_reads, memory_writes, l2_cache_misses] ->
                    Just (read allocations, read gcs, read avg_residency, read max_residency, read samples, read gc_work', read in_use, read initialisation, read initialisation_elapsed, read mut, read mut_elapsed, read gc, read gc_elapsed, read instructions, read memory_reads, read memory_writes, read l2_cache_misses)
                Just _ -> error "ghc4_re: Can't happen"
                Nothing -> Nothing
    where re = mkRegex "^<<ghc-instrs:[ \t]+([0-9]+)[ \t]+bytes,[ \t]*([0-9]+)[ \t]+GCs,[ \t]*([0-9]+)/([0-9]+)[ \t]+avg/max bytes residency \\(([0-9]+) samples\\), ([0-9]+) bytes GC work, ([0-9]+)M in use, ([0-9.]+) INIT \\(([0-9.]+) elapsed\\), ([0-9.]+) MUT \\(([0-9.]+) elapsed\\), ([0-9.]+) GC \\(([0-9.]+) elapsed\\), ([0-9]+) instructions, ([0-9]+) memory reads, ([0-9]+) memory writes, ([0-9]+) L2 cache misses :ghc-instrs>>"

ghc5_re :: String -> Maybe (Integer, Integer, Integer, Integer, Integer, Integer, Integer, Float, Float, Float, Float, Float, Float,Float,Float,Float,Float,Float)
ghc5_re s = case matchRegex re s of
                Just [allocations, gcs, avg_residency, max_residency, samples, gc_work', in_use, initialisation, initialisation_elapsed, mut, mut_elapsed, gc, gc_elapsed, gc0, gc0_elapsed, gc1, gc1_elapsed, bal] ->
                    Just (read allocations, read gcs, read avg_residency, read max_residency, read samples, read gc_work', read in_use, read initialisation, read initialisation_elapsed, read mut, read mut_elapsed, read gc, read gc_elapsed, read gc0, read gc0_elapsed, read gc1, read gc1_elapsed, read bal)
                Just _ -> error "ghc3_re: Can't happen"
                Nothing -> Nothing
    where re = mkRegex "^<<ghc:[ \t]+([0-9]+)[ \t]+bytes,[ \t]*([0-9]+)[ \t]+GCs,[ \t]*([0-9]+)/([0-9]+)[ \t]+avg/max bytes residency \\(([0-9]+) samples\\), ([0-9]+) bytes GC work, ([0-9]+)M in use, ([0-9.]+) INIT \\(([0-9.]+) elapsed\\), ([0-9.]+) MUT \\(([0-9.]+) elapsed\\), ([0-9.]+) GC \\(([0-9.]+) elapsed\\), ([0-9.]+) GC\\(0\\) \\(([0-9.]+) elapsed\\), ([0-9.]+) GC\\(1\\) \\(([0-9.]+) elapsed\\), ([0-9.]+) balance :ghc>>"

wrong_exit_status, wrong_output, out_of_heap, out_of_stack :: Regex
wrong_exit_status = mkRegex "^\\**[ \t]*expected exit status ([0-9]+) not seen ; got ([0-9]+)"
wrong_output      = mkRegex "^expected (stdout|stderr) not matched by reality$"
out_of_heap       = mkRegex "^\\+ Heap exhausted;$"
out_of_stack      = mkRegex "^\\+ Stack space overflow:"

parse_log :: String -> ResultTable
parse_log
        = combine_results               -- collate information
        . concat
        . map process_chunk             -- get information from each chunk
        . tail                          -- first chunk is junk
        . chunk_log [] []               -- break at banner lines
        . lines

combine_results :: [(String,Results)] -> Map String Results
combine_results = foldr f Map.empty
 where
        f (prog,results) fm = Map.insertWith (flip combine2Results) prog results fm

combine2Results :: Results -> Results -> Results
combine2Results
             Results{ compile_time = ct1, link_time = lt1,
                      module_size = ms1,
                      run_time = rt1, elapsed_time = et1, mut_time = mt1,
                      mut_elapsed_time = me1,
                      instrs = is1, mem_reads = mr1, mem_writes = mw1,
                      cache_misses = cm1,
                      gc_time = gt1, gc_elapsed_time = ge1, gc_work = gw1,
                      gc0_time = g0t1, gc0_elapsed_time = g0e1, 
                      gc1_time = g1t1, gc1_elapsed_time = g1e1, 
                      balance = b1,
                      binary_size = bs1, allocs = al1,
                      run_status = rs1, compile_status = cs1 }
             Results{ compile_time = ct2, link_time = lt2,
                      module_size = ms2,
                      run_time = rt2, elapsed_time = et2, mut_time = mt2,
                      mut_elapsed_time = me2,
                      instrs = is2, mem_reads = mr2, mem_writes = mw2,
                      cache_misses = cm2,
                      gc_time = gt2, gc_elapsed_time = ge2, gc_work = gw2,
                      gc0_time = g0t2, gc0_elapsed_time = g0e2, 
                      gc1_time = g1t2, gc1_elapsed_time = g1e2, 
                      balance = b2,
                      binary_size = bs2, allocs = al2,
                      run_status = rs2, compile_status = cs2 }
          =  Results{ compile_time   = Map.unionWith (flip const) ct1 ct2,
                      module_size    = Map.unionWith (flip const) ms1 ms2,
                      link_time      = lt1 `mplus` lt2,
                      run_time       = rt1 ++ rt2,
                      elapsed_time   = et1 ++ et2, 
                      mut_time       = mt1 ++ mt2,
                      mut_elapsed_time = me1 ++ me2,
                      instrs         = is1 `mplus` is2,
                      mem_reads      = mr1 `mplus` mr2,
                      mem_writes     = mw1 `mplus` mw2,
                      cache_misses   = cm1 `mplus` cm2,
                      gc_time        = gt1 ++ gt2,
                      gc_elapsed_time= ge1 ++ ge2,
                      gc0_time        = g0t1 ++ g0t2,
                      gc0_elapsed_time= g0e1 ++ g0e2,
                      gc1_time        = g1t1 ++ g1t2,
                      gc1_elapsed_time= g1e1 ++ g1e2,
                      balance        = b1 ++ b2,
                      gc_work        = gw1 `mplus` gw2,
                      binary_size    = bs1 `mplus` bs2,
                      allocs         = al1 `mplus` al2,
                      run_status     = combStatus rs1 rs2,
                      compile_status = combStatus cs1 cs2 }

combStatus :: Status -> Status -> Status
combStatus NotDone y       = y
combStatus x       NotDone = x
combStatus x       _       = x

chunk_log :: [String] -> [String] -> [String] -> [([String],[String])]
chunk_log header chunk [] = [(header,chunk)]
chunk_log header chunk (l:ls) =
        case matchRegex banner_re l of
                Nothing -> chunk_log header (l:chunk) ls
                Just stuff -> (header,chunk) : chunk_log stuff [] ls

process_chunk :: ([String],[String]) -> [(String,Results)]
process_chunk (progName : what : modName : _, chk) =
 case what of
        "time to compile" -> parse_compile_time progName modName chk
        "time to run"     -> parse_run_time progName (reverse chk) emptyResults NotDone
        "time to compile & run" -> parse_compile_time progName modName chk
                                ++ parse_run_time progName (reverse chk) emptyResults NotDone
        "time to link"    -> parse_link_time progName chk
        "size of"         -> parse_size progName modName chk
        _                 -> error ("process_chunk: "++what)
process_chunk _ = error "process_chunk: Can't happen"

parse_compile_time :: String -> String -> [String] -> [(String, Results)]
parse_compile_time _    _   [] = []
parse_compile_time progName modName (l:ls) =
        case time_re l of {
             Just (_real, user, _system) ->
                let ct  = Map.singleton modName user
                in
                [(progName, emptyResults{compile_time = ct})];
             Nothing ->

        case time_gnu17_re l of {
             Just (user, _system, _elapsed) ->
                let ct  = Map.singleton modName user
                in
                [(progName, emptyResults{compile_time = ct})];
             Nothing ->

        case ghc1_re l of {
            Just (_, _, _, _, _, _, initialisation, _, mut, _, gc, _) ->
              let
                  time = (initialisation + mut + gc) :: Float
                  ct  = Map.singleton modName time
              in
                [(progName, emptyResults{compile_time = ct})];
            Nothing ->

        case ghc2_re l of {
           Just (_, _, _, _, _, _, initialisation, _, mut, _, gc, _) ->
              let ct = Map.singleton modName (initialisation + mut + gc)
              in
                [(progName, emptyResults{compile_time = ct})];
            Nothing ->

        case ghc3_re l of {
           Just (_, _, _, _, _, _, _, initialisation, _, mut, _, gc, _) ->
              let ct = Map.singleton modName (initialisation + mut + gc)
              in
                [(progName, emptyResults{compile_time = ct})];
            Nothing ->

        case ghc4_re l of {
           Just (_, _, _, _, _, _, _, initialisation, _, mut, _, gc, _, _, _, _, _) ->
              let ct = Map.singleton modName (initialisation + mut + gc)
              in
                [(progName, emptyResults{compile_time = ct})];
            Nothing ->

                parse_compile_time progName modName ls
        }}}}}}

parse_link_time :: String -> [String] -> [(String, Results)]
parse_link_time _ [] = []
parse_link_time prog (l:ls) =
          case time_re l of {
             Just (_real, user, _system) ->
                [(prog,emptyResults{link_time = Just user})];
             Nothing ->

          case time_gnu17_re l of {
             Just (user, _system, _elapsed) ->
                [(prog,emptyResults{link_time = Just user})];
             Nothing ->

          parse_link_time prog ls
          }}


-- There might be multiple runs of the program, so we have to collect up
-- all the results.  Variable results like runtimes are aggregated into
-- a list, whereas the non-variable aspects are just kept singly.
parse_run_time :: String -> [String] -> Results -> Status
               -> [(String, Results)]
parse_run_time _ [] _ NotDone = []
parse_run_time prog [] res ex = [(prog, res{run_status=ex})]
parse_run_time prog (l:ls) res ex =
        case ghc1_re l of {
           Just (allocations, _, _, _, _, _, initialisation, init_elapsed, mut, mut_elapsed, gc, gc_elapsed) ->
                got_run_result allocations initialisation init_elapsed mut mut_elapsed gc gc_elapsed [] [] [] [] []
                        Nothing Nothing Nothing Nothing Nothing;
           Nothing ->

        case ghc2_re l of {
           Just (allocations, _, _, _, _, _, initialisation, init_elapsed, mut, mut_elapsed, gc, gc_elapsed) ->
                got_run_result allocations initialisation init_elapsed mut mut_elapsed gc gc_elapsed [] [] [] [] []
                        Nothing Nothing Nothing Nothing Nothing;

            Nothing ->

        case ghc3_re l of {
           Just (allocations, _, _, _, _, gc_work', _, initialisation, init_elapsed, mut, mut_elapsed, gc, gc_elapsed) ->
                got_run_result allocations initialisation init_elapsed mut mut_elapsed gc gc_elapsed [] [] [] [] []
                        (Just gc_work') Nothing Nothing Nothing Nothing;

            Nothing ->

        case ghc4_re l of {
           Just (allocations, _, _, _, _, gc_work', _, initialisation, init_elapsed, mut, mut_elapsed, gc, gc_elapsed, is, mem_rs, mem_ws, cache_misses') ->
                got_run_result allocations initialisation init_elapsed mut mut_elapsed gc gc_elapsed [] [] [] [] []
                        (Just gc_work') (Just is) (Just mem_rs)
                        (Just mem_ws) (Just cache_misses');

            Nothing ->

        case ghc5_re l of {
           Just (allocations, _, _, _, _, gc_work', _, initialisation, init_elapsed, mut, mut_elapsed, gc, gc_elapsed, gc0, gc0_elapsed, gc1, gc1_elapsed, bal) ->
                got_run_result allocations initialisation init_elapsed mut mut_elapsed gc gc_elapsed
                        [gc0] [gc0_elapsed] [gc1] [gc1_elapsed] [bal]
                        (Just gc_work') Nothing Nothing Nothing Nothing;

            Nothing ->

        case matchRegex wrong_output l of {
            Just ["stdout"] ->
                parse_run_time prog ls res (combineRunResult WrongStdout ex);
            Just ["stderr"] ->
                parse_run_time prog ls res (combineRunResult WrongStderr ex);
            Just _ -> error "wrong_output: Can't happen";
            Nothing ->

        case matchRegex wrong_exit_status l of {
            Just [_wanted, got] ->
                parse_run_time prog ls res (combineRunResult (Exit (read got)) ex);
            Just _ -> error "wrong_exit_status: Can't happen";
            Nothing ->

        case matchRegex out_of_heap l of {
            Just _ ->
                parse_run_time prog ls res (combineRunResult OutOfHeap ex);
            Nothing ->

        case matchRegex out_of_stack l of {
            Just _ ->
                parse_run_time prog ls res (combineRunResult OutOfStack ex);
            Nothing ->
                parse_run_time prog ls res ex;

        }}}}}}}}}
  where
  got_run_result allocations initialisation init_elapsed mut mut_elapsed gc gc_elapsed gc0 gc0_elapsed gc1 gc1_elapsed bal gc_work' instrs' mem_rs mem_ws cache_misses'
      = -- trace ("got_run_result: " ++ initialisation ++ ", " ++ mut ++ ", " ++ gc) $
        let
          time = initialisation + mut + gc
          etime = init_elapsed + mut_elapsed + gc_elapsed
          res' = combine2Results res
                        emptyResults{   run_time   = [time],
                                        elapsed_time = [etime],
                                        mut_time   = [mut],
                                        mut_elapsed_time   = [mut_elapsed],
                                        gc_time    = [gc],
                                        gc_elapsed_time = [gc_elapsed],
                                        gc0_time    = gc0,
                                        gc0_elapsed_time = gc0_elapsed,
                                        gc1_time    = gc1,
                                        gc1_elapsed_time = gc1_elapsed,
                                        balance    = bal,
                                        gc_work    = gc_work',
                                        allocs     = Just allocations,
                                        instrs     = instrs',
                                        mem_reads  = mem_rs,
                                        mem_writes = mem_ws,
                                        cache_misses = cache_misses',
                                        run_status = Success
                                }
        in
        parse_run_time prog ls res' Success

combineRunResult :: Status -> Status -> Status
combineRunResult OutOfHeap  _           = OutOfHeap
combineRunResult _          OutOfHeap   = OutOfHeap
combineRunResult OutOfStack _           = OutOfStack
combineRunResult _          OutOfStack  = OutOfStack
combineRunResult (Exit e)   _           = Exit e
combineRunResult _          (Exit e)    = Exit e
combineRunResult exit       _            = exit

parse_size :: String -> String -> [String] -> [(String, Results)]
parse_size _ _ [] = []
parse_size progName modName (l:ls) =
        case size_re l of
            Nothing -> parse_size progName modName ls
            Just (text, datas, _bss)
                 | progName == modName ->
                        [(progName,emptyResults{binary_size = 
                                             Just (text + datas),
                                    compile_status = Success})]
                 | otherwise ->
                        let ms  = Map.singleton modName (text + datas)
                        in
                        [(progName,emptyResults{module_size = ms})]