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Unix Version 7 - man page for prof (v7 section 1)

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PROF(1) 										  PROF(1)

       prof - display profile data

       prof [ -v ] [ -a ] [ -l ] [ -low [ -high ] ] [ file ]

       Prof interprets the file mon.out produced by the monitor subroutine.  Under default modes,
       the symbol table in the named object file (a.out default) is read and correlated with  the
       mon.out	profile  file.	 For each external symbol, the percentage of time spent executing
       between that symbol and the next is printed (in decreasing order), together with the  num-
       ber of times that routine was called and the number of milliseconds per call.

       If  the -a option is used, all symbols are reported rather than just external symbols.  If
       the -l option is used, the output is listed by symbol value rather  than  decreasing  per-

       If  the -v option is used, all printing is suppressed and a graphic version of the profile
       is produced on the standard output for display by the plot(1) filters.	The  numbers  low
       and  high,  by default 0 and 100, cause a selected percentage of the profile to be plotted
       with accordingly higher resolution.

       In order for the number of calls to a routine to be tallied, the -p option of cc must have
       been  given  when the file containing the routine was compiled.	This option also arranges
       for the mon.out file to be produced automatically.

       mon.out	for profile
       a.out	for namelist

       monitor(3), profil(2), cc(1), plot(1)

       Beware of quantization errors.

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