Data race in PGO profile collection for multi-process program

[Pengfei Yuan]

Thank you very much for the advice. I will try __gcov_dump first.

Yuan

2015-06-02 12:14 GMT+08:00 Xinliang David Li <davidxl@google.com>:
> Using AutoFDO is one way. For PGO, you may want to to try using
> __gcov_dump interface to explicitly control the timing and order of
> the profile dump --- i.e., invoke __gcov_dump in main process after
> work processes exit and before the main process exits.