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| author | Martin Liska <mliska@suse.cz> | 2018-05-29 14:11:21 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-05-29 12:11:21 +0000 |
| commit | 0e8f29daae817560fa28935f23150307abee8f43 (patch) | |
| tree | dae6fb571218c28f4bd4fc966f8b044443aebbc7 /gcc/doc/gcov.texi | |
| parent | e379122d1f078d230514ff862c4f9053c2898af4 (diff) | |
| download | gcc-0e8f29daae817560fa28935f23150307abee8f43.zip gcc-0e8f29daae817560fa28935f23150307abee8f43.tar.gz gcc-0e8f29daae817560fa28935f23150307abee8f43.tar.bz2 | |
libgcov: report about a different timestamp (PR gcov-profile/85759).
2018-05-29 Martin Liska <mliska@suse.cz>
PR gcov-profile/85759
* doc/gcov.texi: Document GCOV_ERROR_FILE and GCOV_EXIT_AT_ERROR
env variables.
2018-05-29 Martin Liska <mliska@suse.cz>
PR gcov-profile/85759
* libgcov-driver-system.c (gcov_error): Introduce usage of
GCOV_EXIT_AT_ERROR env. variable.
* libgcov-driver.c (merge_one_data): Print error that we
overwrite a gcov file with a different timestamp.
From-SVN: r260895
Diffstat (limited to 'gcc/doc/gcov.texi')
| -rw-r--r-- | gcc/doc/gcov.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/doc/gcov.texi b/gcc/doc/gcov.texi index 4bd976d..1cdca11 100644 --- a/gcc/doc/gcov.texi +++ b/gcc/doc/gcov.texi @@ -801,6 +801,14 @@ as well as handlers registered with @code{atexit}. If an executable loads a dynamic shared object via dlopen functionality, @option{-Wl,--dynamic-list-data} is needed to dump all profile data. +Profiling run-time library reports various errors related to profile +manipulation and profile saving. Errors are printed into standard error output +or @samp{GCOV_ERROR_FILE} file, if environment variable is used. +In order to terminate immediately after an errors occurs +set @samp{GCOV_EXIT_AT_ERROR} environment variable. +That can help users to find profile clashing which leads +to a misleading profile. + @c man end @node Gcov Data Files |