[linux-2.6-block.git] / tools / perf / util / tsc.h

#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
Commit	Line	Data
0b437860 AH	1	#ifndef __PERF_TSC_H
	2	#define __PERF_TSC_H
	3
	4	#include <linux/types.h>
	5
46bc29b9	6	#include "event.h"
2a28e230 AH	7
	8	struct perf_tsc_conversion {
	9	u16 time_shift;
	10	u32 time_mult;
	11	u64 time_zero;
	12	};
	13	struct perf_event_mmap_page;
	14
	15	int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
	16	struct perf_tsc_conversion *tc);
0b437860 AH	17
	18	u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc);
	19	u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc);
a6a69db4	20	u64 rdtsc(void);
0b437860	21
46bc29b9 AH	22	struct perf_event_mmap_page;
	23	struct perf_tool;
	24	struct machine;
	25
	26	int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc,
	27	struct perf_tool *tool,
	28	perf_event__handler_t process,
	29	struct machine *machine);
	30
0b437860	31	#endif