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Re: Blacklist regex is too general
- From: David Smith <dsmith at redhat dot com>
- To: Alexander Lochmann <alexander dot lochmann at tu-dortmund dot de>, systemtap at sourceware dot org
- Date: Tue, 12 Apr 2016 10:41:57 -0500
- Subject: Re: Blacklist regex is too general
- Authentication-results: sourceware.org; auth=none
- References: <570CBC09 dot 2080608 at tu-dortmund dot de>
On 04/12/2016 04:12 AM, Alexander Lochmann wrote:
> Hi folks!
>
> I've wanted to measure the impact of packet duplication due to a raw socket.
> To do so, I have to probe the kernel function 'raw_v4_input' in
> net/ipv4/raw.c.
> Unfortunately, the function name matches the regex defined at
> dwflpp:4324, which is: blfn += "|raw_.*";.
> On my opinion, the regex is too general, and there is no reason why it
> shouldn't be allowed to probe 'raw_v4_input'.
> It therefore might be necessary to rephrase the mentioned regex. :)
While we think about the best way to proceed here, you should be able to
use '-g' (guru mode) to ignore the blacklist.
--
David Smith
dsmith@redhat.com
Red Hat
http://www.redhat.com
256.217.0141 (direct)
256.837.0057 (fax)