1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __PERF_TSC_H
 3#define __PERF_TSC_H
 4
 5#include <linux/types.h>
 6
 
 
 7struct perf_tsc_conversion {
 8	u16 time_shift;
 9	u32 time_mult;
10	u64 time_zero;
11};
12
13struct perf_event_mmap_page;
14
15int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
16			     struct perf_tsc_conversion *tc);
17
18u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc);
19u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc);
20u64 rdtsc(void);
21
22#endif // __PERF_TSC_H
 
 
 
 
 
 
 
 
 

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