check_itimer 196 tools/testing/selftests/timers/posix_timers.c if (check_itimer(ITIMER_VIRTUAL) < 0) check_itimer 199 tools/testing/selftests/timers/posix_timers.c if (check_itimer(ITIMER_PROF) < 0) check_itimer 202 tools/testing/selftests/timers/posix_timers.c if (check_itimer(ITIMER_REAL) < 0)