mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 16:24:13 +08:00
f8c856cb2c
Add a utility function to print nanosecond timestamps. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20190305144758.12397-11-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _TIME_UTILS_H_
|
|
#define _TIME_UTILS_H_
|
|
|
|
#include <stddef.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);
|
|
|
|
#endif
|