/* 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 */