1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/types.h>
7 struct perf_tsc_conversion {
14 bool cap_user_time_zero;
15 bool cap_user_time_short;
18 struct perf_event_mmap_page;
20 int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
21 struct perf_tsc_conversion *tc);
23 u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc);
24 u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc);
27 #endif // __PERF_TSC_H