Well I never have tried to profile here's my first try. I compiled with ghc --make -O -prof -auto-all chk_dwlds.hs
I've run the program with:
./chk_dwlds \+RTS -p \-RTS
and got this .prof file
Tue Oct 21 15:01 2008 Time and Allocation Profiling Report (Final)
chk_dwlds +RTS -p -RTS
total time = 19.62 secs (981 ticks @ 20 ms)
total alloc = 19,090,366,024 bytes (excludes profiling overheads)
COST CENTRE MODULE %time %alloc
run_file Main 67.2 96.5
check_line Main 31.5 2.5
sumcount Main 1.3 1.0
individual inherited
COST CENTRE MODULE
no. entries %time %alloc %time %alloc
MAIN MAIN
1 0 0.0 0.0 100.0 100.0
main Main
238 1 0.0 0.0 100.0 100.0
sumcount Main
242 1 0.0 0.0 0.0 0.0
run_file Main
241 1764 67.2 96.5 100.0 100.0
check_line Main
244 1944781 31.5 2.5 31.5 2.5
sumcount Main
243 1764 1.3 1.0 1.3 1.0
main Main
247 0 0.0 0.0 0.0 0.0
filter_reg Main
248 0 0.0 0.0 0.0 0.0
CAF Main
232 10 0.0 0.0 0.0 0.0
check_line Main
246 2 0.0 0.0 0.0 0.0
regexp Main
245 1 0.0 0.0 0.0 0.0
main Main
239 0 0.0 0.0 0.0 0.0
filter_reg Main
240 2 0.0 0.0 0.0 0.0
CAF Text.Read.Lex
209 8 0.0 0.0 0.0 0.0
CAF GHC.Read
204 1 0.0 0.0 0.0 0.0
CAF GHC.Float
203 3 0.0 0.0 0.0 0.0
CAF GHC.Int
198 1 0.0 0.0 0.0 0.0
CAF GHC.Handle
184 7 0.0 0.0 0.0 0.0
CAF System.Posix.Internals
168 7 0.0 0.0 0.0 0.0
CAF System.Directory
125 1 0.0 0.0 0.0 0.0
Regards
Friedrich
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