File: inode-watch.stp

package info (click to toggle)
systemtap 4.0-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 36,436 kB
  • sloc: cpp: 72,388; ansic: 58,430; xml: 47,797; exp: 40,417; sh: 10,793; python: 2,759; perl: 2,252; tcl: 1,305; makefile: 1,119; lisp: 105; java: 102; awk: 101; asm: 91; sed: 16
file content (16 lines) | stat: -rw-r--r-- 510 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
probe kernel.function ("vfs_write"),
      kernel.function ("vfs_read")
{
  if (@defined($file->f_path->dentry)) {
    dev_nr = $file->f_path->dentry->d_inode->i_sb->s_dev
    inode_nr = $file->f_path->dentry->d_inode->i_ino
  } else {
    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)
}