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Commit c657d76f authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf bpf: Convert pid_map() to bpf_map() 

First user, pid_t as the type, lets see how this goes with the BTF
routines.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Yonghong Song <yhs@fb.com>
Link: https://lkml.kernel.org/n/tip-56eplvf86r69wt3p35nh805z@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent b45d5511

tools/perf/include/bpf/bpf.h

+1 −7
Original line number Diff line number Diff line
@@ -34,13 +34,7 @@ struct bpf_map SEC("maps") name = { \ 
 *	  For the current need, 'perf trace --filter-pids', 64 should

 *	  be good enough, but this surely needs to be revisited.

 */

#define pid_map(name, value_type)		\

struct bpf_map SEC("maps") name = {		\

	.type	     = BPF_MAP_TYPE_HASH,	\

	.key_size    = sizeof(pid_t),		\

	.value_size  = sizeof(value_type),	\

	.max_entries = 64,			\

}

#define pid_map(name, value_type) bpf_map(name, HASH, pid_t, value_type, 64)



static int (*bpf_map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags) = (void *)BPF_FUNC_map_update_elem;

static void *(*bpf_map_lookup_elem)(struct bpf_map *map, void *key) = (void *)BPF_FUNC_map_lookup_elem;