1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _TIME_UTILS_H_
3*4882a593Smuzhiyun #define _TIME_UTILS_H_
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <stddef.h>
6*4882a593Smuzhiyun #include <time.h>
7*4882a593Smuzhiyun #include <linux/types.h>
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun struct perf_time_interval {
10*4882a593Smuzhiyun u64 start, end;
11*4882a593Smuzhiyun };
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun int parse_nsec_time(const char *str, u64 *ptime);
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun int perf_time__parse_str(struct perf_time_interval *ptime, const char *ostr);
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun int perf_time__percent_parse_str(struct perf_time_interval *ptime_buf, int num,
18*4882a593Smuzhiyun const char *ostr, u64 start, u64 end);
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun struct perf_time_interval *perf_time__range_alloc(const char *ostr, int *size);
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun bool perf_time__skip_sample(struct perf_time_interval *ptime, u64 timestamp);
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun bool perf_time__ranges_skip_sample(struct perf_time_interval *ptime_buf,
25*4882a593Smuzhiyun int num, u64 timestamp);
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun struct perf_session;
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun int perf_time__parse_for_ranges_reltime(const char *str, struct perf_session *session,
30*4882a593Smuzhiyun struct perf_time_interval **ranges,
31*4882a593Smuzhiyun int *range_size, int *range_num,
32*4882a593Smuzhiyun bool reltime);
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun int perf_time__parse_for_ranges(const char *str, struct perf_session *session,
35*4882a593Smuzhiyun struct perf_time_interval **ranges,
36*4882a593Smuzhiyun int *range_size, int *range_num);
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz);
39*4882a593Smuzhiyun int timestamp__scnprintf_nsec(u64 timestamp, char *buf, size_t sz);
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun int fetch_current_timestamp(char *buf, size_t sz);
42*4882a593Smuzhiyun
rdclock(void)43*4882a593Smuzhiyun static inline unsigned long long rdclock(void)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun struct timespec ts;
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun clock_gettime(CLOCK_MONOTONIC, &ts);
48*4882a593Smuzhiyun return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun #endif
52