[REFACTOR] print uretprobe info

when error register

diff --git a/us_manager/sspt/sspt.h b/us_manager/sspt/sspt.h
index c8829dc..98bfa3b 100644 (file)
--- a/us_manager/sspt/sspt.h
+++ b/us_manager/sspt/sspt.h
@@ -129,7 +129,14 @@ static inline int sspt_register_usprobe(struct us_ip *ip)
                ip->retprobe.up.sm = ip->page->file->proc->sm;
                ret = dbi_register_uretprobe(&ip->retprobe);
                if (ret) {
-                       printk("dbi_register_uretprobe() failure %d\n", ret);
+                       struct sspt_file *file = ip->page->file;
+                       char *name = file->dentry->d_iname;
+                       unsigned long addr =ip->retprobe.up.kp.addr;
+                       unsigned long offset = addr - file->vm_start;
+
+                       printk("dbi_register_uretprobe() failure %d (%s:%x|%x)\n",
+                              ret, name, offset, ip->retprobe.up.kp.opcode);
+
                        return ret;
                }
        }