perf augmented_raw_syscalls: Use bpf_map()

To make the code more compact and also paving the way to have the BTF
annotation to be done transparently.

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-pjlf38sv3i1hbn5vzkr4y3ol@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2019-01-24 15:17:23 +01:00
parent c657d76f9f
commit 56d8175a4d

View File

@ -18,23 +18,13 @@
#include <pid_filter.h>
/* bpf-output associated map */
struct bpf_map SEC("maps") __augmented_syscalls__ = {
.type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
.key_size = sizeof(int),
.value_size = sizeof(u32),
.max_entries = __NR_CPUS__,
};
bpf_map(__augmented_syscalls__, PERF_EVENT_ARRAY, int, u32, __NR_CPUS__);
struct syscall {
bool enabled;
};
struct bpf_map SEC("maps") syscalls = {
.type = BPF_MAP_TYPE_ARRAY,
.key_size = sizeof(int),
.value_size = sizeof(struct syscall),
.max_entries = 512,
};
bpf_map(syscalls, ARRAY, int, struct syscall, 512);
struct syscall_enter_args {
unsigned long long common_tp_fields;