time-utils.h (1440B)
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 9struct perf_time_interval { 10 u64 start, end; 11}; 12 13int parse_nsec_time(const char *str, u64 *ptime); 14 15int perf_time__parse_str(struct perf_time_interval *ptime, const char *ostr); 16 17int perf_time__percent_parse_str(struct perf_time_interval *ptime_buf, int num, 18 const char *ostr, u64 start, u64 end); 19 20struct perf_time_interval *perf_time__range_alloc(const char *ostr, int *size); 21 22bool perf_time__skip_sample(struct perf_time_interval *ptime, u64 timestamp); 23 24bool perf_time__ranges_skip_sample(struct perf_time_interval *ptime_buf, 25 int num, u64 timestamp); 26 27struct perf_session; 28 29int 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 34int 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 38int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz); 39int timestamp__scnprintf_nsec(u64 timestamp, char *buf, size_t sz); 40 41int fetch_current_timestamp(char *buf, size_t sz); 42 43static 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