cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cpumap.h (938B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __LIBPERF_INTERNAL_CPUMAP_H
      3#define __LIBPERF_INTERNAL_CPUMAP_H
      4
      5#include <linux/refcount.h>
      6#include <perf/cpumap.h>
      7
      8/**
      9 * A sized, reference counted, sorted array of integers representing CPU
     10 * numbers. This is commonly used to capture which CPUs a PMU is associated
     11 * with. The indices into the cpumap are frequently used as they avoid having
     12 * gaps if CPU numbers were used. For events associated with a pid, rather than
     13 * a CPU, a single dummy map with an entry of -1 is used.
     14 */
     15struct perf_cpu_map {
     16	refcount_t	refcnt;
     17	/** Length of the map array. */
     18	int		nr;
     19	/** The CPU values. */
     20	struct perf_cpu	map[];
     21};
     22
     23#ifndef MAX_NR_CPUS
     24#define MAX_NR_CPUS	2048
     25#endif
     26
     27int perf_cpu_map__idx(const struct perf_cpu_map *cpus, struct perf_cpu cpu);
     28bool perf_cpu_map__is_subset(const struct perf_cpu_map *a, const struct perf_cpu_map *b);
     29
     30#endif /* __LIBPERF_INTERNAL_CPUMAP_H */