Man pages matching name __pmprocessexec in section 3:

__pmProcessExec.3.en	debian 10 / libpcp3-dev
__pmprocessexec.3.en	debian 10 / libpcp3-dev
__pmProcessExec.3.en	debian 11 / libpcp3-dev
__pmProcessExec.3.en	debian 12 / libpcp3-dev