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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef __LIBPERF_INTERNAL_CPUMAP_H
- #define __LIBPERF_INTERNAL_CPUMAP_H
- #include <linux/refcount.h>
- #include <perf/cpumap.h>
- /**
- * A sized, reference counted, sorted array of integers representing CPU
- * numbers. This is commonly used to capture which CPUs a PMU is associated
- * with. The indices into the cpumap are frequently used as they avoid having
- * gaps if CPU numbers were used. For events associated with a pid, rather than
- * a CPU, a single dummy map with an entry of -1 is used.
- */
- struct perf_cpu_map {
- refcount_t refcnt;
- /** Length of the map array. */
- int nr;
- /** The CPU values. */
- struct perf_cpu map[];
- };
- #ifndef MAX_NR_CPUS
- #define MAX_NR_CPUS 2048
- #endif
- int perf_cpu_map__idx(const struct perf_cpu_map *cpus, struct perf_cpu cpu);
- bool perf_cpu_map__is_subset(const struct perf_cpu_map *a, const struct perf_cpu_map *b);
- #endif /* __LIBPERF_INTERNAL_CPUMAP_H */
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