| 41,7 → 41,7 |
|---|
| signed long long init_tsc; |
| signed long long * ptr_init_tsc = &init_tsc; |
| |
| signed long long init_nsec; //Warp around 292 years !! |
| signed long long init_nsec; //Wraparound 292 years |
| signed long long * ptr_init_nsec = &init_nsec; |
| |
| signed long long clk_per_msec; |
| 164,8 → 164,8 |
|---|
| outp(0x61, (inp(0x61) & ~0x02) | 0x01); |
| |
| outp(0x43,0xB0); /* binary, mode 0, LSB/MSB, Ch 2 */ |
| outp(0x42,CALIBRATE_LATCH & 0xff); /* LSB of count */ |
| outp(0x42,CALIBRATE_LATCH >> 8); /* MSB of count */ |
| outp(0x42,0xFF); /* LSB of count */ |
| outp(0x42,0xFF); /* MSB of count */ |
| |
| rdtscll(start); |
| outp(0x43,0x00); |
| 185,6 → 185,28 |
|---|
| end_8253 = inp(0x42); |
| end_8253 |= inp(0x42) << 8; |
| |
| outp(0x43,0xB0); /* binary, mode 0, LSB/MSB, Ch 2 */ |
| outp(0x42,0xFF); /* LSB of count */ |
| outp(0x42,0xFF); /* MSB of count */ |
| |
| rdtscll(start); |
| outp(0x43,0x00); |
| start_8253 = inp(0x42); |
| start_8253 |= inp(0x42) << 8; |
| |
| do { |
| |
| outp(0x43,0x00); |
| end_8253 = inp(0x42); |
| end_8253 |= inp(0x42) << 8; |
| |
| } while (end_8253 > COUNTER_END); |
| |
| rdtscll(end); |
| outp(0x43,0x00); |
| end_8253 = inp(0x42); |
| end_8253 |= inp(0x42) << 8; |
| |
| //Delta TSC |
| dtsc = end - start; |
| |