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 */ 31