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e696f6dbbf
A variant of perf_cpu_map__for_each_cpu() that just iterates index values without the corresponding load of the CPU. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Dave Marchevsky <davemarchevsky@fb.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Fastabend <john.fastabend@gmail.com> Cc: KP Singh <kpsingh@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Lv Ruyi <lv.ruyi@zte.com.cn> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Martin KaFai Lau <kafai@fb.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Quentin Monnet <quentin@isovalent.com> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com> Cc: Yonghong Song <yhs@fb.com> Cc: bpf@vger.kernel.org Cc: netdev@vger.kernel.org Link: https://lore.kernel.org/r/20220519032005.1273691-4-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
38 lines
1.5 KiB
C
38 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LIBPERF_CPUMAP_H
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#define __LIBPERF_CPUMAP_H
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#include <perf/core.h>
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#include <perf/cpumap.h>
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#include <stdio.h>
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#include <stdbool.h>
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/** A wrapper around a CPU to avoid confusion with the perf_cpu_map's map's indices. */
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struct perf_cpu {
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int cpu;
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};
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LIBPERF_API struct perf_cpu_map *perf_cpu_map__dummy_new(void);
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LIBPERF_API struct perf_cpu_map *perf_cpu_map__default_new(void);
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LIBPERF_API struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list);
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LIBPERF_API struct perf_cpu_map *perf_cpu_map__read(FILE *file);
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LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map);
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LIBPERF_API struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig,
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struct perf_cpu_map *other);
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LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map);
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LIBPERF_API struct perf_cpu perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
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LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_map *cpus);
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LIBPERF_API bool perf_cpu_map__empty(const struct perf_cpu_map *map);
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LIBPERF_API struct perf_cpu perf_cpu_map__max(struct perf_cpu_map *map);
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LIBPERF_API bool perf_cpu_map__has(const struct perf_cpu_map *map, struct perf_cpu cpu);
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#define perf_cpu_map__for_each_cpu(cpu, idx, cpus) \
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for ((idx) = 0, (cpu) = perf_cpu_map__cpu(cpus, idx); \
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(idx) < perf_cpu_map__nr(cpus); \
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(idx)++, (cpu) = perf_cpu_map__cpu(cpus, idx))
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#define perf_cpu_map__for_each_idx(idx, cpus) \
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for ((idx) = 0; (idx) < perf_cpu_map__nr(cpus); (idx)++)
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#endif /* __LIBPERF_CPUMAP_H */
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