https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47618
--- Comment #26 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to qinzhao from comment #25) > (In reply to Martin Liška from comment #24) > > > > > How about the patch for the above 2? has it been committed? > > > > It has been there for a while, please take a look at: > > > > $ gcov-tool merge --help > > merge: unrecognized option '--help' > > Merge subcomand usage: merge [options] <dir1> <dir2> Merge coverage > > file contents > > -o, --output <dir> Output directory > > -v, --verbose Verbose mode > > -w, --weight <w1,w2> Set weights (float point values) > > two more questions on this merge tool: > 1. it can only merge two directories at one time. So, for multiple > directories, for example "n", we have to invoke gcov-tool merge n-1 times in > order to merge all of them? Yep. I guess one can write a simple bash script that does that. > 2. Intel compiler (icc)'s profmerge is able to merge all the .dyn files > under one directory, does gcc have such functionality currently? We have folder-base merging where we search for all .gcda files and we merge them to a destination folder.
