https://github.com/torvalds/linux
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Tip revision: ae64f9bd1d3621b5e60d7363bc20afb46aede215 authored by Linus Torvalds on 03 December 2017, 16:01:47 UTC
Linux 4.15-rc2
Tip revision: ae64f9b
counts.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_COUNTS_H
#define __PERF_COUNTS_H

#include "xyarray.h"

struct perf_counts_values {
	union {
		struct {
			u64 val;
			u64 ena;
			u64 run;
		};
		u64 values[3];
	};
	bool	loaded;
};

struct perf_counts {
	s8			  scaled;
	struct perf_counts_values aggr;
	struct xyarray		  *values;
};


static inline struct perf_counts_values*
perf_counts(struct perf_counts *counts, int cpu, int thread)
{
	return xyarray__entry(counts->values, cpu, thread);
}

struct perf_counts *perf_counts__new(int ncpus, int nthreads);
void perf_counts__delete(struct perf_counts *counts);

void perf_evsel__reset_counts(struct perf_evsel *evsel);
int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus, int nthreads);
void perf_evsel__free_counts(struct perf_evsel *evsel);

#endif /* __PERF_COUNTS_H */
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