opensnoop: convert args.name to bytes
This commit fixes the following error with python3:
Traceback (most recent call last):
File "_ctypes/callbacks.c", line 234, in 'calling callback function'
File "/usr/lib/python3.6/site-packages/bcc/table.py", line 508, in raw_cb_
callback(cpu, data, size)
File "./opensnoop.py", line 169, in print_event
if args.name and args.name not in event.comm:
TypeError: a bytes-like object is required, not 'str'
Signed-off-by: Gary Lin <glin@suse.com>
diff --git a/tools/opensnoop.py b/tools/opensnoop.py
index ba614c1..7c16c02 100755
--- a/tools/opensnoop.py
+++ b/tools/opensnoop.py
@@ -14,7 +14,7 @@
# 08-Oct-2016 Dina Goldshtein Support filtering by PID and TID.
from __future__ import print_function
-from bcc import BPF
+from bcc import ArgString, BPF
import argparse
import ctypes as ct
from datetime import datetime, timedelta
@@ -44,6 +44,7 @@
parser.add_argument("-d", "--duration",
help="total duration of trace in seconds")
parser.add_argument("-n", "--name",
+ type=ArgString,
help="only print process names containing this name")
parser.add_argument("--ebpf", action="store_true",
help=argparse.SUPPRESS)
@@ -176,7 +177,7 @@
if args.failed and (event.ret >= 0):
return
- if args.name and args.name not in event.comm:
+ if args.name and bytes(args.name) not in event.comm:
return
if args.timestamp:
