filetime_diff 121 opal/mca/event/libevent2022/libevent/test/test-changelist.c usertime_seconds = filetime_diff(&timer->usertimeBegin, &usertimeEnd); filetime_diff 122 opal/mca/event/libevent2022/libevent/test/test-changelist.c kerneltime_seconds = filetime_diff(&timer->kerneltimeBegin, &kerneltimeEnd);