xref: /linux/samples/bpf/task_fd_query_kern.c (revision bc069da65eec7b5113b40432930152c9c1cd7f88)
1ecb96f7fSYonghong Song // SPDX-License-Identifier: GPL-2.0
2ecb96f7fSYonghong Song #include <linux/version.h>
3ecb96f7fSYonghong Song #include <linux/ptrace.h>
4ecb96f7fSYonghong Song #include <uapi/linux/bpf.h>
57cf245a3SToke Høiland-Jørgensen #include <bpf/bpf_helpers.h>
6ecb96f7fSYonghong Song 
7d2e614cbSDaniel T. Lee SEC("kprobe/blk_mq_start_request")
8ecb96f7fSYonghong Song int bpf_prog1(struct pt_regs *ctx)
9ecb96f7fSYonghong Song {
10ecb96f7fSYonghong Song 	return 0;
11ecb96f7fSYonghong Song }
12ecb96f7fSYonghong Song 
13*bc069da6SRong Tao SEC("kretprobe/__blk_account_io_done")
14ecb96f7fSYonghong Song int bpf_prog2(struct pt_regs *ctx)
15ecb96f7fSYonghong Song {
16ecb96f7fSYonghong Song 	return 0;
17ecb96f7fSYonghong Song }
18ecb96f7fSYonghong Song char _license[] SEC("license") = "GPL";
19ecb96f7fSYonghong Song u32 _version SEC("version") = LINUX_VERSION_CODE;
20