c3ad8d23bc
Returns true if the second argument is a subset of the first. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Antonov <alexander.antonov@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: German Gomez <german.gomez@arm.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Fastabend <john.fastabend@gmail.com> Cc: John Garry <john.garry@huawei.com> Cc: KP Singh <kpsingh@kernel.org> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Martin KaFai Lau <kafai@fb.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Yonghong Song <yhs@fb.com> Cc: bpf@vger.kernel.org Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: netdev@vger.kernel.org Link: http://lore.kernel.org/lkml/20220328232648.2127340-4-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
30 lines
938 B
C
30 lines
938 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LIBPERF_INTERNAL_CPUMAP_H
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#define __LIBPERF_INTERNAL_CPUMAP_H
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#include <linux/refcount.h>
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#include <perf/cpumap.h>
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/**
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* A sized, reference counted, sorted array of integers representing CPU
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* numbers. This is commonly used to capture which CPUs a PMU is associated
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* with. The indices into the cpumap are frequently used as they avoid having
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* gaps if CPU numbers were used. For events associated with a pid, rather than
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* a CPU, a single dummy map with an entry of -1 is used.
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*/
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struct perf_cpu_map {
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refcount_t refcnt;
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/** Length of the map array. */
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int nr;
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/** The CPU values. */
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struct perf_cpu map[];
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};
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#ifndef MAX_NR_CPUS
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#define MAX_NR_CPUS 2048
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#endif
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int perf_cpu_map__idx(const struct perf_cpu_map *cpus, struct perf_cpu cpu);
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bool perf_cpu_map__is_subset(const struct perf_cpu_map *a, const struct perf_cpu_map *b);
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#endif /* __LIBPERF_INTERNAL_CPUMAP_H */
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