mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 00:04:15 +08:00
ea49e01cfa
Those are the only routines using the perf_event__handler_t typedef and are all related, so move to a separate header to reduce the header dependency tree, lots of places were getting event.h and even stdio.h, limits.h indirectly, so fix those as well. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-yvx9u1mf7baq6cu1abfhbqgs@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
23 lines
496 B
C
23 lines
496 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __PERF_TSC_H
|
|
#define __PERF_TSC_H
|
|
|
|
#include <linux/types.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);
|
|
|
|
#endif // __PERF_TSC_H
|