1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __PERF_TSC_H
 3#define __PERF_TSC_H
 4
 5#include <linux/types.h>
 6
 7#include "event.h"
 8
 9struct perf_tsc_conversion {
10	u16 time_shift;
11	u32 time_mult;
12	u64 time_zero;
13};
14struct perf_event_mmap_page;
15
16int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
17			     struct perf_tsc_conversion *tc);
18
19u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc);
20u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc);
21u64 rdtsc(void);
22
23struct perf_event_mmap_page;
24struct perf_tool;
25struct machine;
26
27int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc,
28				struct perf_tool *tool,
29				perf_event__handler_t process,
30				struct machine *machine);
31
32#endif

 
 1#ifndef __PERF_TSC_H
 2#define __PERF_TSC_H
 3
 4#include <linux/types.h>
 5
 6#include "../arch/x86/util/tsc.h"
 
 
 
 
 
 
 
 
 
 
 7
 8u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc);
 9u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc);
10u64 rdtsc(void);
 
 
 
 
 
 
 
 
 
11
12#endif