32 lines
689 B
C
32 lines
689 B
C
#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
|