linux_dsm_epyc7002/tools/perf/util/time-utils.h
Arnaldo Carvalho de Melo f37110205c perf time-utils: Adopt rdclock() from perf.h
Seems to be a better place for this function to live, further shrinking
the hodge-podge that perf.h was.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-0zzt1u9rpyjukdy1ccr2u5r9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-29 17:38:32 -03:00

47 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TIME_UTILS_H_
#define _TIME_UTILS_H_
#include <stddef.h>
#include <time.h>
#include <linux/types.h>
struct perf_time_interval {
u64 start, end;
};
int parse_nsec_time(const char *str, u64 *ptime);
int perf_time__parse_str(struct perf_time_interval *ptime, const char *ostr);
int perf_time__percent_parse_str(struct perf_time_interval *ptime_buf, int num,
const char *ostr, u64 start, u64 end);
struct perf_time_interval *perf_time__range_alloc(const char *ostr, int *size);
bool perf_time__skip_sample(struct perf_time_interval *ptime, u64 timestamp);
bool perf_time__ranges_skip_sample(struct perf_time_interval *ptime_buf,
int num, u64 timestamp);
struct perf_session;
int perf_time__parse_for_ranges(const char *str, struct perf_session *session,
struct perf_time_interval **ranges,
int *range_size, int *range_num);
int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz);
int timestamp__scnprintf_nsec(u64 timestamp, char *buf, size_t sz);
int fetch_current_timestamp(char *buf, size_t sz);
static inline unsigned long long rdclock(void)
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
}
#endif