tools/cachetop: match bpf.ksym() with bytes arrays

bpf.ksym() now returns a bytes array, and python3 would issue TypeError when matching the string. Signed-off-by: Gary Lin <[email protected]>
drcwr · Apr 2, 2018 · c5b5b30 · c5b5b30
1 parent 76bec4d
commit c5b5b30
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/tools/cachetop.py b/tools/cachetop.py
@@ -88,16 +88,16 @@ def get_processes_stats(
  whits = 0
 
  for k, v in count.items():
- if re.match('mark_page_accessed', bpf.ksym(k)) is not None:
+ if re.match(b'mark_page_accessed', bpf.ksym(k)) is not None:
  mpa = max(0, v)
 
- if re.match('mark_buffer_dirty', bpf.ksym(k)) is not None:
+ if re.match(b'mark_buffer_dirty', bpf.ksym(k)) is not None:
  mbd = max(0, v)
 
- if re.match('add_to_page_cache_lru', bpf.ksym(k)) is not None:
+ if re.match(b'add_to_page_cache_lru', bpf.ksym(k)) is not None:
  apcl = max(0, v)
 
- if re.match('account_page_dirtied', bpf.ksym(k)) is not None:
+ if re.match(b'account_page_dirtied', bpf.ksym(k)) is not None:
  apd = max(0, v)
 
  # access = total cache access incl. reads(mpa) and writes(mbd)