https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95348
--- Comment #14 from Qing Zhao <qing.zhao at oracle dot com> --- > > -fprofile-dir=gcc_prof_dir/%p" > > So my recommendation would be not to use it and let GCOV run-time library > merge > the profiles. Of course, I'll be interested in `perf report` of such a > instrumented run.. For our application, all processes generating profiling feedback data to a single directory seems is not a choice. We chose -fprofile-dir=%p and then use gcov-merge to merge them.
