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libperf: Make perf_cpu_map__alloc() available as an internal function for tools/perf to use

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We had the open coded equivalent in perf_cpu_map__empty_new(), so reuse
what is in libperf.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Link: https://lore.kernel.org/lkml/20230407230405.2931830-3-irogers@google.com
[ Split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2023-04-12 12:54:44 -03:00 committed by Arnaldo Carvalho de Melo
parent 7bb1d048bd
commit 1f94479edb
3 changed files with 3 additions and 2 deletions
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2
tools/lib/perf/cpumap.c
View File

@ -10,7 +10,7 @@
#include <ctype.h>
#include <limits.h>
static struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus)
struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus)
{
struct perf_cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(struct perf_cpu) * nr_cpus);

1
tools/lib/perf/include/internal/cpumap.h
View File

@ -24,6 +24,7 @@ struct perf_cpu_map {
#define MAX_NR_CPUS 2048
#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);

2
tools/perf/util/cpumap.c
View File

@ -160,7 +160,7 @@ size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp)
struct perf_cpu_map *perf_cpu_map__empty_new(int nr)
{
struct perf_cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(int) * nr);
struct perf_cpu_map *cpus = perf_cpu_map__alloc(nr);
if (cpus != NULL) {
int i;