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author | Martin Liska <mliska@suse.cz> | 2018-11-12 22:01:38 +0100 |
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committer | Martin Liska <marxin@gcc.gnu.org> | 2018-11-12 21:01:38 +0000 |
commit | e18240ffe2b48af6e77018e5f4e797c4b57cae72 (patch) | |
tree | 47b3de5539d55bde0524f303bd78eed461e6601e /gcc/doc | |
parent | e375da43d77a3b54185f26c6f474e3482185e7e4 (diff) | |
download | gcc-e18240ffe2b48af6e77018e5f4e797c4b57cae72.zip gcc-e18240ffe2b48af6e77018e5f4e797c4b57cae72.tar.gz gcc-e18240ffe2b48af6e77018e5f4e797c4b57cae72.tar.bz2 |
Instrument only selected files (PR gcov-profile/87442).
2018-11-12 Martin Liska <mliska@suse.cz>
PR gcov-profile/87442
* common.opt: Add -fprofile-filter-files and -fprofile-exclude-files
options.
* doc/invoke.texi: Document them.
* tree-profile.c (parse_profile_filter): New.
(parse_profile_file_filtering): Likewise.
(release_profile_file_filtering): Likewise.
(include_source_file_for_profile): Likewise.
(tree_profiling): Filter source files based on the
newly added options.
2018-11-12 Martin Liska <mliska@suse.cz>
PR gcov-profile/87442
* gcc.dg/profile-filtering-1.c: New test.
* gcc.dg/profile-filtering-2.c: New test.
From-SVN: r266037
Diffstat (limited to 'gcc/doc')
-rw-r--r-- | gcc/doc/invoke.texi | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 5eef746..75e9556 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -484,6 +484,7 @@ Objective-C and Objective-C++ Dialects}. @gccoptlist{-p -pg -fprofile-arcs --coverage -ftest-coverage @gol -fprofile-abs-path @gol -fprofile-dir=@var{path} -fprofile-generate -fprofile-generate=@var{path} @gol +-fprofile-update=@var{method} -fprofile-filter-files=@var{regex} -fprofile-exclude-files=@var{regex} @gol -fsanitize=@var{style} -fsanitize-recover -fsanitize-recover=@var{style} @gol -fasan-shadow-offset=@var{number} -fsanitize-sections=@var{s1},@var{s2},... @gol -fsanitize-undefined-trap-on-error -fbounds-check @gol @@ -11896,6 +11897,24 @@ when supported by a target, or to @samp{single} otherwise. The GCC driver automatically selects @samp{prefer-atomic} when @option{-pthread} is present in the command line. +@item -fprofile-filter-files=@var{regex} +@opindex fprofile-filter-files + +Instrument only functions from files where names match +any regular expression (separated by a semi-colon). + +For example, @option{-fprofile-filter-files=main.c;module.*.c} will instrument +only @file{main.c} and all C files starting with 'module'. + +@item -fprofile-exclude-files=@var{regex} +@opindex fprofile-exclude-files + +Instrument only functions from files where names do not match +all the regular expressions (separated by a semi-colon). + +For example, @option{-fprofile-exclude-files=/usr/*} will prevent instrumentation +of all files that are located in @file{/usr/} folder. + @item -fsanitize=address @opindex fsanitize=address Enable AddressSanitizer, a fast memory error detector. |