| #xxxxxxxxb |
#xx |
description |
| 00000000b |
00h |
data reads |
| 00000001b |
01h |
data writes |
| 00000010b |
02h |
data TLB misses |
| 00000011b |
03h |
data read misses |
| 00000100b |
04h |
data write misses |
| 00000101b |
05h |
unknown |
| 00000110b |
06h |
data cache lines written back |
| 00000111b |
07h |
unknown |
| 00001000b |
08h |
data cache snoop hits |
| 00001001b |
09h |
PUSH/PUSH POP/POP pairings #1 |
| 00001010b |
0Ah |
unknown |
| 00001011b |
0Bh |
misaligned data memory references |
| 00001100b |
0Ch |
code reads |
| 00001101b |
0Dh |
code TLB misses |
| 00001110b |
0Eh |
code cache misses |
| 00001111b |
0Fh |
unknown |
| 00010000b |
10h |
unknown |
| 00010001b |
11h |
unknown |
| 00010010b |
12h |
unknown |
| 00010011b |
13h |
BHT hits |
| 00010100b |
14h |
BHT candidates #1 |
| 00010101b |
15h |
unknown |
| 00010110b |
16h |
instructions executed |
| 00010111b |
17h |
instructions executed in 2nd pipeline |
| 00011000b |
18h |
clocks while bus cycle in progress (bus utilization) |
| 00011001b |
19h |
unknown |
| 00011010b |
1Ah |
unknown |
| 00011011b |
1Bh |
unknown |
| 00011100b |
1Ch |
unknown |
| 00011101b |
1Dh |
I/O read or write cycles |
| 00011110b |
1Eh |
unknown |
| 00011111b |
1Fh |
unknown |
| 00100000b |
20h |
unknown |
| 00100001b |
21h |
unknown |
| 00100010b |
22h |
unknown |
| 00100011b |
23h |
unknown |
| 00100100b |
24h |
unknown |
| 00100101b |
25h |
unknown |
| 00100110b |
26h |
unknown |
| 00100111b |
27h |
unknown |
| 00101000b |
28h |
data reads or data writes |
| 00101001b |
29h |
unknown |
| 00101010b |
2Ah |
unknown |
| 00101011b |
2Bh |
MMX instructions in 1st pipeline (EC0) |
| MMX instructions in 2nd pipeline (EC1) |
| 00101100b |
2Ch |
unknown |
| 00101101b |
2Dh |
unknown |
| 00101110b |
2Eh |
unknown |
| 00101111b |
2Fh |
unknown |
| 00110000b |
30h |
unknown |
| 00110001b |
31h |
unknown |
| 00110010b |
32h |
unknown |
| 00110011b |
33h |
unknown |
| 00110100b |
34h |
unknown |
| 00110101b |
35h |
unknown |
| 00110110b |
36h |
unknown |
| 00110111b |
37h |
returns predicted incorrectly (EC0) |
| returns predicted correctly (EC1) |
| 00111000b |
38h |
unknown |
| 001110001b |
39h |
unknown |
| 00111010b |
3Axh |
unknown |
| 00111011b |
3Bh |
unknown |
| 00111100b |
3Ch |
unknown |
| 00111101b |
3Dh |
unknown |
| 00111110b |
3Eh |
unknown |
| 00111110b |
3Fh |
internal clocks (default for CTR0) #1 |
| 63..FFh |
unknown |
| note |
#1 |
These events are not Pentium-compatible. |