forked from luck/tmp_suning_uos_patched
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 */
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#ifndef _TIME_UTILS_H_
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#define _TIME_UTILS_H_
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#include <stddef.h>
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#include <linux/types.h>
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struct perf_time_interval {
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u64 start, end;
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};
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int parse_nsec_time(const char *str, u64 *ptime);
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int perf_time__parse_str(struct perf_time_interval *ptime, const char *ostr);
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int perf_time__percent_parse_str(struct perf_time_interval *ptime_buf, int num,
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const char *ostr, u64 start, u64 end);
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struct perf_time_interval *perf_time__range_alloc(const char *ostr, int *size);
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bool perf_time__skip_sample(struct perf_time_interval *ptime, u64 timestamp);
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bool perf_time__ranges_skip_sample(struct perf_time_interval *ptime_buf,
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int num, u64 timestamp);
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struct perf_session;
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int perf_time__parse_for_ranges(const char *str, struct perf_session *session,
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struct perf_time_interval **ranges,
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int *range_size, int *range_num);
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int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz);
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int timestamp__scnprintf_nsec(u64 timestamp, char *buf, size_t sz);
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int fetch_current_timestamp(char *buf, size_t sz);
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#endif
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