mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-17 12:48:25 +07:00
f30a79b012
Adding refference counting for cpu_map object, so it could be easily shared among other objects. Using cpu_map__put instead cpu_map__delete and making cpu_map__delete static. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1435012588-9007-4-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
#ifndef __PERF_CPUMAP_H
|
|
#define __PERF_CPUMAP_H
|
|
|
|
#include <stdio.h>
|
|
#include <stdbool.h>
|
|
#include <linux/atomic.h>
|
|
|
|
#include "perf.h"
|
|
#include "util/debug.h"
|
|
|
|
struct cpu_map {
|
|
atomic_t refcnt;
|
|
int nr;
|
|
int map[];
|
|
};
|
|
|
|
struct cpu_map *cpu_map__new(const char *cpu_list);
|
|
struct cpu_map *cpu_map__dummy_new(void);
|
|
struct cpu_map *cpu_map__read(FILE *file);
|
|
size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
|
|
int cpu_map__get_socket(struct cpu_map *map, int idx);
|
|
int cpu_map__get_core(struct cpu_map *map, int idx);
|
|
int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
|
|
int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
|
|
|
|
struct cpu_map *cpu_map__get(struct cpu_map *map);
|
|
void cpu_map__put(struct cpu_map *map);
|
|
|
|
static inline int cpu_map__socket(struct cpu_map *sock, int s)
|
|
{
|
|
if (!sock || s > sock->nr || s < 0)
|
|
return 0;
|
|
return sock->map[s];
|
|
}
|
|
|
|
static inline int cpu_map__id_to_socket(int id)
|
|
{
|
|
return id >> 16;
|
|
}
|
|
|
|
static inline int cpu_map__id_to_cpu(int id)
|
|
{
|
|
return id & 0xffff;
|
|
}
|
|
|
|
static inline int cpu_map__nr(const struct cpu_map *map)
|
|
{
|
|
return map ? map->nr : 1;
|
|
}
|
|
|
|
static inline bool cpu_map__empty(const struct cpu_map *map)
|
|
{
|
|
return map ? map->map[0] == -1 : true;
|
|
}
|
|
|
|
int max_cpu_num;
|
|
int max_node_num;
|
|
int *cpunode_map;
|
|
|
|
int cpu__setup_cpunode_map(void);
|
|
|
|
static inline int cpu__max_node(void)
|
|
{
|
|
if (unlikely(!max_node_num))
|
|
pr_debug("cpu_map not initialized\n");
|
|
|
|
return max_node_num;
|
|
}
|
|
|
|
static inline int cpu__max_cpu(void)
|
|
{
|
|
if (unlikely(!max_cpu_num))
|
|
pr_debug("cpu_map not initialized\n");
|
|
|
|
return max_cpu_num;
|
|
}
|
|
|
|
static inline int cpu__get_node(int cpu)
|
|
{
|
|
if (unlikely(cpunode_map == NULL)) {
|
|
pr_debug("cpu_map not initialized\n");
|
|
return -1;
|
|
}
|
|
|
|
return cpunode_map[cpu];
|
|
}
|
|
|
|
#endif /* __PERF_CPUMAP_H */
|