#ifndef __PERF_TSC_H | |
#define __PERF_TSC_H | |
#include <linux/types.h> | |
#include "event.h" | |
struct perf_tsc_conversion { | |
u16 time_shift; | |
u32 time_mult; | |
u64 time_zero; | |
}; | |
struct perf_event_mmap_page; | |
int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc, | |
struct perf_tsc_conversion *tc); | |
u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc); | |
u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc); | |
u64 rdtsc(void); | |
struct perf_event_mmap_page; | |
struct perf_tool; | |
struct machine; | |
int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc, | |
struct perf_tool *tool, | |
perf_event__handler_t process, | |
struct machine *machine); | |
#endif |