filelife: use d_name.name and d_name.len instead of d_iname (iovisor#700

) This is similar in spirit to what was done in PR iovisor#677 to fix the problem reported in iovisor#609. filelife.py is now converted to use the right struct field. Signed-off-by: Marco Leogrande <[email protected]>
Limnotation · Sep 26, 2016 · 6644186 · 6644186
1 parent 5246458
commit 6644186
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/tools/filelife.py b/tools/filelife.py
@@ -82,13 +82,14 @@
  delta = (bpf_ktime_get_ns() - *tsp) / 1000000;
  birth.delete(&dentry);
 
- if (dentry->d_iname[0] == 0)
+ if (dentry->d_name.len == 0)
  return 0;
 
  if (bpf_get_current_comm(&data.comm, sizeof(data.comm)) == 0) {
  data.pid = pid;
  data.delta = delta;
- bpf_probe_read(&data.fname, sizeof(data.fname), dentry->d_iname);
+ bpf_probe_read(&data.fname, sizeof(data.fname),
+ (void *)dentry->d_name.name);
  }
 
  events.perf_submit(ctx, &data, sizeof(data));