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