1#ifndef TOOLS_PERF_ARCH_X86_UTIL_TSC_H__ 2#define TOOLS_PERF_ARCH_X86_UTIL_TSC_H__ 3 4#include <linux/types.h> 5 6struct perf_tsc_conversion { 7 u16 time_shift; 8 u32 time_mult; 9 u64 time_zero; 10}; 11 12struct perf_event_mmap_page; 13 14int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc, 15 struct perf_tsc_conversion *tc); 16 17#endif /* TOOLS_PERF_ARCH_X86_UTIL_TSC_H__ */ 18