From: Arnaldo Carvalho de Melo <[email protected]>
Making the code more compact, end result is the same:
# trace -e /home/acme/git/perf/tools/perf/examples/bpf/etcsnoop.c
0.000 ( ): sed/7385 openat(dfd: CWD, filename: "/etc/ld.so.cache",
flags: RDONLY|CLOEXEC) ...
2727.723 ( ): cat/7389 openat(dfd: CWD, filename: "/etc/ld.so.cache",
flags: RDONLY|CLOEXEC) ...
2728.543 ( ): cat/7389 openat(dfd: CWD, filename: "/etc/passwd")
...
^C
Cc: Adrian Hunter <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Luis Cláudio Gonçalves <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Link: https://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
tools/perf/examples/bpf/etcsnoop.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/tools/perf/examples/bpf/etcsnoop.c
b/tools/perf/examples/bpf/etcsnoop.c
index 550e69c2e8d1..e81b535346c0 100644
--- a/tools/perf/examples/bpf/etcsnoop.c
+++ b/tools/perf/examples/bpf/etcsnoop.c
@@ -21,12 +21,8 @@
#include <stdio.h>
-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-output associated map */
+bpf_map(__augmented_syscalls__, PERF_EVENT_ARRAY, int, u32, __NR_CPUS__);
struct augmented_filename {
int size;
--
2.20.1
