linux_dsm_epyc7002/tools/perf/util/counts.h
Jiri Olsa 5c30af92f2 libperf: Adopt perf_evsel__read() function from tools/perf
Move the perf_evsel__read() function to libperf as a public interface
together with struct perf_counts_values for returning counter values.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-65-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-29 18:34:46 -03:00

42 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_COUNTS_H
#define __PERF_COUNTS_H
#include <internal/xyarray.h>
#include <perf/evsel.h>
struct perf_counts {
s8 scaled;
struct perf_counts_values aggr;
struct xyarray *values;
struct xyarray *loaded;
};
static inline struct perf_counts_values*
perf_counts(struct perf_counts *counts, int cpu, int thread)
{
return xyarray__entry(counts->values, cpu, thread);
}
static inline bool
perf_counts__is_loaded(struct perf_counts *counts, int cpu, int thread)
{
return *((bool *) xyarray__entry(counts->loaded, cpu, thread));
}
static inline void
perf_counts__set_loaded(struct perf_counts *counts, int cpu, int thread, bool loaded)
{
*((bool *) xyarray__entry(counts->loaded, cpu, thread)) = loaded;
}
struct perf_counts *perf_counts__new(int ncpus, int nthreads);
void perf_counts__delete(struct perf_counts *counts);
void perf_evsel__reset_counts(struct evsel *evsel);
int perf_evsel__alloc_counts(struct evsel *evsel, int ncpus, int nthreads);
void perf_evsel__free_counts(struct evsel *evsel);
#endif /* __PERF_COUNTS_H */