linux-next/tools/perf/perf.h
Kyle Meyer 9a1e106550 perf: Increase MAX_NR_CPUS to 4096
Systems have surpassed 2048 CPUs. Increase MAX_NR_CPUS to 4096.

Bitmaps declared with MAX_NR_CPUS bits will increase from 256B to 512B,
cpus_runtime will increase from 81960B to 163880B, and max_entries will
increase from 8192B to 16384B.

Reviewed-by: Ian Rogers <irogers@google.com>
Reviewed-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: Kyle Meyer <kyle.meyer@hpe.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: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20241206044035.1062032-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2024-12-09 17:52:41 -03:00

17 lines
253 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PERF_PERF_H
#define _PERF_PERF_H
#ifndef MAX_NR_CPUS
#define MAX_NR_CPUS 4096
#endif
enum perf_affinity {
PERF_AFFINITY_SYS = 0,
PERF_AFFINITY_NODE,
PERF_AFFINITY_CPU,
PERF_AFFINITY_MAX
};
#endif