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