The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 1 | /** |
| 2 | * @file op_hw_config.h |
| 3 | * Configuration parameters that are dependent on CPU/architecture |
| 4 | * |
| 5 | * @remark Copyright 2002 OProfile authors |
| 6 | * @remark Read the file COPYING |
| 7 | * |
| 8 | * @author John Levon |
| 9 | * @author Philippe Elie |
| 10 | */ |
| 11 | |
| 12 | #ifndef OP_HW_CONFIG_H |
| 13 | #define OP_HW_CONFIG_H |
| 14 | |
| 15 | /** maximum number of counters, up to 4 for Athlon (18 for P4). The primary |
| 16 | * use of this variable is for static/local array dimension. Never use it in |
| 17 | * loop or in array index access/index checking unless you know what you |
| 18 | * made. */ |
| 19 | #ifdef __alpha__ |
| 20 | #define OP_MAX_COUNTERS 20 |
| 21 | #else |
| 22 | #define OP_MAX_COUNTERS 8 |
| 23 | #endif |
| 24 | |
| 25 | /** maximum number of events between interrupts. Counters are 40 bits, but |
| 26 | * for convenience we only use 32 bits. The top bit is used for overflow |
| 27 | * detection, so user can set up to (2^31)-1 */ |
| 28 | #define OP_MAX_PERF_COUNT 2147483647UL |
| 29 | |
| 30 | #endif /* OP_HW_CONFIG_H */ |