Commit e8399d34 authored Dec 05, 2024 by Ian Rogers Committed by Arnaldo Carvalho de Melo Dec 09, 2024

libperf cpumap: Hide/reduce scope of MAX_NR_CPUS



Avoid redefinition of MAX_NR_CPUS as a global constant, the original
definition is tools/perf/perf.h.

Reviewed-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ben Gainey <ben.gainey@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kyle Meyer <kyle.meyer@hpe.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20241206044035.1062032-4-irogers@google.com


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 02b5ed8a

tools/lib/perf/cpumap.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,8 @@
		#include <limits.h>
		#include "internal.h"

		#define MAX_NR_CPUS 4096

		void perf_cpu_map__set_nr(struct perf_cpu_map *map, int nr_cpus)
		{
		RC_CHK_ACCESS(map)->nr = nr_cpus;

tools/lib/perf/include/internal/cpumap.h

+0 −4

Original line number	Diff line number	Diff line
		@@ -21,10 +21,6 @@ DECLARE_RC_STRUCT(perf_cpu_map) {
		struct perf_cpu map[];
		};

		#ifndef MAX_NR_CPUS
		#define MAX_NR_CPUS 4096
		#endif

		struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus);
		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);