1 // SPDX-License-Identifier: GPL-2.0 2 #include "vmlinux.h" 3 #include <bpf/bpf_helpers.h> 4 #include <bpf/bpf_tracing.h> 5 #include <bpf/usdt.bpf.h> 6 #include <string.h> 7 8 struct pt_regs regs; 9 10 char _license[] SEC("license") = "GPL"; 11 12 int executed = 0; 13 int pid; 14 15 SEC("uprobe") 16 int BPF_UPROBE(test_uprobe) 17 { 18 if (bpf_get_current_pid_tgid() >> 32 != pid) 19 return 0; 20 21 executed++; 22 return 0; 23 } 24 25 SEC("uretprobe") 26 int BPF_URETPROBE(test_uretprobe) 27 { 28 if (bpf_get_current_pid_tgid() >> 32 != pid) 29 return 0; 30 31 executed++; 32 return 0; 33 } 34 35 SEC("uprobe.multi") 36 int test_uprobe_multi(struct pt_regs *ctx) 37 { 38 if (bpf_get_current_pid_tgid() >> 32 != pid) 39 return 0; 40 41 executed++; 42 return 0; 43 } 44 45 SEC("uretprobe.multi") 46 int test_uretprobe_multi(struct pt_regs *ctx) 47 { 48 if (bpf_get_current_pid_tgid() >> 32 != pid) 49 return 0; 50 51 executed++; 52 return 0; 53 } 54 55 SEC("uprobe.session") 56 int test_uprobe_session(struct pt_regs *ctx) 57 { 58 if (bpf_get_current_pid_tgid() >> 32 != pid) 59 return 0; 60 61 executed++; 62 return 0; 63 } 64 65 SEC("usdt") 66 int test_usdt(struct pt_regs *ctx) 67 { 68 if (bpf_get_current_pid_tgid() >> 32 != pid) 69 return 0; 70 71 executed++; 72 return 0; 73 } 74