优化代码

albertxu216 · Apr 29, 2024 · 11f1b6c · 11f1b6c
1 parent f41c918
commit 11f1b6c
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/eBPF_Supermarket/CPU_Subsystem/eBPF_proc_image/bpf/syscall_image.bpf.c b/eBPF_Supermarket/CPU_Subsystem/eBPF_proc_image/bpf/syscall_image.bpf.c
@@ -78,16 +78,14 @@ int sys_enter(struct trace_event_raw_sys_enter *args)
             syscall_seq->enter_time = current_time;
             if(syscall_seq->count == 0){
                 if((sc_ctrl->target_tgid==-1 && (sc_ctrl->target_pid==-1 || pid==sc_ctrl->target_pid)) || (sc_ctrl->target_tgid!=-1 && tgid == sc_ctrl->target_tgid)){
-                    syscall_seq->record_syscall[syscall_seq->count] = (int)args->id;
+                    syscall_seq->record_syscall[syscall_seq->count++] = (int)args->id;
                 }
-                syscall_seq->count ++;
             }else if (syscall_seq->count <= MAX_SYSCALL_COUNT-1 && syscall_seq->count > 0 && 
                       syscall_seq->record_syscall+syscall_seq->count <= syscall_seq->record_syscall+(MAX_SYSCALL_COUNT-1)){
                 if((sc_ctrl->target_tgid==-1 && (sc_ctrl->target_pid==-1 || pid==sc_ctrl->target_pid)) || 
                     (sc_ctrl->target_tgid!=-1 && tgid == sc_ctrl->target_tgid)){
-                    syscall_seq->record_syscall[syscall_seq->count] = (int)args->id;
+                    syscall_seq->record_syscall[syscall_seq->count++] = (int)args->id;
                 }
-                syscall_seq->count ++;
             }
         }
     }