1999-05-03 15:29:11 +08:00
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- add support for prof file format so that prof files can be displayed
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at the line-level (this is useful for the uprofile tool under DEC's
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OSF/1)
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- take a hard look at --file-ordering (broken) and --function-ordering
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+ documentation
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+ optimize bfd_find_nearest_line_num() (or replace by different interface)
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+ cleanup _bfd_ecoff_find_nearest_line_num() fixes & description
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+ ensure "cc -pg" produces good files under OSF/1 v3.0
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+ make sure gprof works together with OSF/1 v3.0's profiling libraries
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+ implement symtab_parse(); modify sym_lookup() to consider addr_high
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+ change gprof.c to collect lists, then invoke symtab_parse() for
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each list
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+ Questions:
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o is -c (--static-call-graph) useful at all? i can't see
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how; if it were deleted, gprof would be completely machine
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independent => yup, it is
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o are (long) option names appropriate?
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o -k (--exclude-arc) cannot be implemented with getopt();
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is new syntax (-k from/to) acceptable? If not, how to
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fix it?
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o in the FSF output, the call-graph index now prints
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the filename of static functions in parentheses; e.g.,
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static function foo() that is defined in file bar.c
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would be printed as:
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[4] foo (bar.c)
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is this acceptable? should it be done only optionally?
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o symbols with addresses that map back to a different
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name are suppressed (happens with labels, for example);
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is this acceptable? should it be done only optionally?
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+ generalize to allow arbitrary histograms (not just time histograms)
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+ basic-block information currently replaces all symbols created from
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the core because of an ugly ordering conflict---for now, the current
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solution works, but something cleaner is desirable ==> cleaned up,
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but it's slower now
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+ convert to very new file format (back to trivial format, that is :)
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+ replace "dummy.h" for Alpha (if there is any use to it)
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+ add support for execution time profiling at a basic-block level
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+ fix filename-off-by-one bug for Alpha (see ~/tmp/d.[ch])---no longer
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relevant
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+ "-pg -a" doesn't work as expected because mcleanup() will overwrite
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the file generated by __bb_exit_func() (or vice versa)
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+ first basic-block of fac() seems to get credited to last basic-block
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of previous function => bug in basic_blocks.c
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+ flat profile should provide automatic scaling for per-call times because
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otherwise they'll always be zero on a fast machine with tons of small
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functions
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+ make "-a" imply to retain line number info (without actually generating
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the debugging information (unless -g is specified)---no, this is a
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bad idea, because it is not clear what level of debugging info should
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be requested (e.g., -g vs. -g3); leaving it up to the user seems best
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+ add long options support (or at least use getopt instead of ad-hoc
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implementation)
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+ split into files according to abstract objects that are manipulated
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+ replace sccsid by rcsid & add "end of ..." to every .c file
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+ use DBG() everywhere
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+ fix spacing (" ," -> "," etc.)
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+ use DEFUNs everywhere
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+ make compile cleanly with -Wall
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+ "gcc -pg -O2" doesn't work on tecc.c unless -fno-omit-frame-pointer is
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specified; find out why
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+ make things portable (prototypes, const, etc.)
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+ if NEW_GMON_OUT is not defined, have a flag that will allow to
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read new gmon.out style files. The idea being that everyone
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will use the new format for basic-block style profiling but
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the old format for regular gpprofiling
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2012-12-18 00:56:12 +08:00
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2021-01-01 06:58:58 +08:00
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Copyright (C) 2012-2021 Free Software Foundation, Inc.
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2012-12-18 00:56:12 +08:00
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved.
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