diff options
| author | Arnaldo Carvalho de Melo | 2018-08-30 08:48:44 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2018-08-30 15:52:20 -0300 |
| commit | 664b6a95d771a6dcd7069996c825a03be411ef99 (patch) | |
| tree | aa19aa071f9945efc0098dc9713d5d983e8f4790 /tools/perf | |
| parent | 266b851cc2874774a59f04a7b3b059ca0f26569b (diff) | |
perf bpf: Add syscall_exit() helper
So that we can hook to the syscalls:sys_exit_SYSCALL tracepoints in
addition to the syscalls:sys_enter_SYSCALL we hook using the
syscall_enter() helper.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-6qh8aph1jklyvdu7w89c0izc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/include/bpf/bpf.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h index 47897d65e799..52b6d87fe822 100644 --- a/tools/perf/include/bpf/bpf.h +++ b/tools/perf/include/bpf/bpf.h @@ -26,6 +26,9 @@ struct bpf_map { #define syscall_enter(name) \ SEC("syscalls:sys_enter_" #name) syscall_enter_ ## name +#define syscall_exit(name) \ + SEC("syscalls:sys_exit_" #name) syscall_exit_ ## name + #define license(name) \ char _license[] SEC("license") = #name; \ int _version SEC("version") = LINUX_VERSION_CODE; |