On Fri, May 17, 2013 at 10:13:46AM +0200, Denys Vlasenko wrote:
> On 05/13/2013 12:30 PM, Daniel P. Berrange wrote:
> > From: "Daniel P. Berrange" <[email protected]>
> > 
> > Even with the -q flag specified, tracing output is still mixed
> > with messages about signals and process exit status, which is
> > often irrelevant. Allow the -q flag to be repeated to force
> > the suppression of signals / exit status info too.
> 
> I would say that this is a bit arbitrary to think
> that signals are "not relevant". In many cases,
> they are!
> 
> The suppression done by -q was suppressing messages about
> what _strace_ does, those messages had nothing to do with
> _what happens to the traced process_.
> 
> Your new addition suppressed signal delivery log messages,
> and that is something which _does happen to the process_
> being traced.
> 
> Also, your addition is unnecessary because "-e signal=!all"
> does the same thing.

What about exit status info?  The only way to suppress this kind
of messages before the patch was -c option.


-- 
ldv

Attachment: pgpbBupXd7I_v.pgp
Description: PGP signature

------------------------------------------------------------------------------
AlienVault Unified Security Management (USM) platform delivers complete
security visibility with the essential security capabilities. Easily and
efficiently configure, manage, and operate all of your security controls
from a single console and one unified framework. Download a free trial.
http://p.sf.net/sfu/alienvault_d2d
_______________________________________________
Strace-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/strace-devel

Reply via email to