From a20617af34e3dbeba682cfa6bf6366f3fc0f8e14 Mon Sep 17 00:00:00 2001
From: fche <fche>
Date: Wed, 27 Feb 2008 23:11:19 +0000
Subject: PR5697: include tutorial & language reference guide

---
 doc/tutorial/inode-watch.stp | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 doc/tutorial/inode-watch.stp

(limited to 'doc/tutorial/inode-watch.stp')

diff --git a/doc/tutorial/inode-watch.stp b/doc/tutorial/inode-watch.stp
new file mode 100644
index 00000000..caf04b9a
--- /dev/null
+++ b/doc/tutorial/inode-watch.stp
@@ -0,0 +1,13 @@
+probe kernel.function ("vfs_write"),
+      kernel.function ("vfs_read")
+{
+  dev_nr = $file->f_dentry->d_inode->i_sb->s_dev
+  inode_nr = $file->f_dentry->d_inode->i_ino
+
+  if (dev_nr == ($1 << 20 | $2) # major/minor device
+      && inode_nr == $3)
+    printf ("%s(%d) %s 0x%x/%u\n",
+      execname(), pid(), probefunc(), dev_nr, inode_nr)
+}
+
+# dev_name = kernel_string ($file->f_dentry->d_inode->i_sb->s_id)
-- 
cgit