| The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 1 | /** |
| 2 | * @file op_cpufreq.h |
| 3 | * get cpu frequency declaration |
| 4 | * |
| 5 | * @remark Copyright 2003 OProfile authors |
| 6 | * @remark Read the file COPYING |
| 7 | * |
| 8 | * @author John Levon |
| 9 | * @author Philippe Elie |
| 10 | */ |
| 11 | |
| 12 | #ifndef OP_CPUFREQ_H |
| 13 | #define OP_CPUFREQ_H |
| 14 | |
| 15 | #if defined(__cplusplus) |
| 16 | extern "C" { |
| 17 | #endif |
| 18 | |
| 19 | /* |
| 20 | * return the estimated cpu frequency in Mhz through |
| 21 | * parsing /proc/cpuinfo, return 0 if this information |
| 22 | * is not avalaible e.g. sparc64 with a non SMP kernel |
| 23 | */ |
| 24 | double op_cpu_frequency(void); |
| 25 | |
| 26 | #if defined(__cplusplus) |
| 27 | } |
| 28 | #endif |
| 29 | |
| 30 | #endif /* !OP_CPUFREQ_H */ |