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- #include <linux/ptrace.h>
- #include <linux/version.h>
- #include <uapi/linux/bpf.h>
- #include <bpf/bpf_helpers.h>
- #include "trace_common.h"
- struct {
- __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
- __uint(key_size, sizeof(int));
- __uint(value_size, sizeof(u32));
- __uint(max_entries, 2);
- } my_map SEC(".maps");
- SEC("kprobe/" SYSCALL(sys_write))
- int bpf_prog1(struct pt_regs *ctx)
- {
- struct S {
- u64 pid;
- u64 cookie;
- } data;
- data.pid = bpf_get_current_pid_tgid();
- data.cookie = 0x12345678;
- bpf_perf_event_output(ctx, &my_map, 0, &data, sizeof(data));
- return 0;
- }
- char _license[] SEC("license") = "GPL";
- u32 _version SEC("version") = LINUX_VERSION_CODE;
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