0001
0002 #ifndef _TIME_UTILS_H_
0003 #define _TIME_UTILS_H_
0004
0005 #include <stddef.h>
0006 #include <time.h>
0007 #include <linux/types.h>
0008
0009 struct perf_time_interval {
0010 u64 start, end;
0011 };
0012
0013 int parse_nsec_time(const char *str, u64 *ptime);
0014
0015 int perf_time__parse_str(struct perf_time_interval *ptime, const char *ostr);
0016
0017 int perf_time__percent_parse_str(struct perf_time_interval *ptime_buf, int num,
0018 const char *ostr, u64 start, u64 end);
0019
0020 struct perf_time_interval *perf_time__range_alloc(const char *ostr, int *size);
0021
0022 bool perf_time__skip_sample(struct perf_time_interval *ptime, u64 timestamp);
0023
0024 bool perf_time__ranges_skip_sample(struct perf_time_interval *ptime_buf,
0025 int num, u64 timestamp);
0026
0027 struct perf_session;
0028
0029 int perf_time__parse_for_ranges_reltime(const char *str, struct perf_session *session,
0030 struct perf_time_interval **ranges,
0031 int *range_size, int *range_num,
0032 bool reltime);
0033
0034 int perf_time__parse_for_ranges(const char *str, struct perf_session *session,
0035 struct perf_time_interval **ranges,
0036 int *range_size, int *range_num);
0037
0038 int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz);
0039 int timestamp__scnprintf_nsec(u64 timestamp, char *buf, size_t sz);
0040
0041 int fetch_current_timestamp(char *buf, size_t sz);
0042
0043 static inline unsigned long long rdclock(void)
0044 {
0045 struct timespec ts;
0046
0047 clock_gettime(CLOCK_MONOTONIC, &ts);
0048 return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
0049 }
0050
0051 #endif
