Lines Matching refs:tsc
443 u64 tsc, t1, t2, delta; in pit_calibrate_tsc() local
459 tsc = t1 = t2 = get_cycles(); in pit_calibrate_tsc()
466 delta = t2 - tsc; in pit_calibrate_tsc()
467 tsc = t2; in pit_calibrate_tsc()
538 u64 tsc = 0, prev_tsc = 0; in pit_expect_msb() local
543 prev_tsc = tsc; in pit_expect_msb()
544 tsc = get_cycles(); in pit_expect_msb()
547 *tscp = tsc; in pit_expect_msb()
568 u64 tsc, delta; in quick_pit_calibrate() local
597 if (pit_expect_msb(0xff, &tsc, &d1)) { in quick_pit_calibrate()
605 delta -= tsc; in quick_pit_calibrate()