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samples/bpf: syscall_tp: Aarch64 no open syscall
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__NR_open never exist on AArch64.

Signed-off-by: Rong Tao <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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Rtoax authored and anakryiko committed Jul 11, 2023
1 parent a3e7e6b commit 07018b5
Showing 1 changed file with 4 additions and 0 deletions.
4 changes: 4 additions & 0 deletions samples/bpf/syscall_tp_kern.c
Original file line number Diff line number Diff line change
Expand Up @@ -44,12 +44,14 @@ static __always_inline void count(void *map)
bpf_map_update_elem(map, &key, &init_val, BPF_NOEXIST);
}

#if !defined(__aarch64__)
SEC("tracepoint/syscalls/sys_enter_open")
int trace_enter_open(struct syscalls_enter_open_args *ctx)
{
count(&enter_open_map);
return 0;
}
#endif

SEC("tracepoint/syscalls/sys_enter_openat")
int trace_enter_open_at(struct syscalls_enter_open_args *ctx)
Expand All @@ -65,12 +67,14 @@ int trace_enter_open_at2(struct syscalls_enter_open_args *ctx)
return 0;
}

#if !defined(__aarch64__)
SEC("tracepoint/syscalls/sys_exit_open")
int trace_enter_exit(struct syscalls_exit_open_args *ctx)
{
count(&exit_open_map);
return 0;
}
#endif

SEC("tracepoint/syscalls/sys_exit_openat")
int trace_enter_exit_at(struct syscalls_exit_open_args *ctx)
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