[lldb-dev] Logging different channels to different files

jingham at apple.com jingham at apple.com
Wed May 6 17:39:41 PDT 2015


To tell the truth, I've never looked at the implementation of this too closely, but it does seem to work.  You have to use the -t option if you are going to do any complex logging since you will probably get multiple threads logging simultaneously.

Jim

> On May 6, 2015, at 4:58 PM, Vince Harron <vince at nethacker.com> wrote:
> 
> I've never tried logging to the same file because I stepped through the code and (IIRC) different "log enable" commands to the same file path open separate file descriptors without the append flag, so I expected that they would stomp on each other.  Maybe I misunderstood.  I'll try it now.
> 
> 
> On Wed, May 6, 2015 at 4:50 PM, Sean Callanan <scallanan at apple.com> wrote:
> I’ve never wanted to send different logs to different files.
> 
> Sean
> 
> > On May 6, 2015, at 4:19 PM, Vince Harron <vince at nethacker.com> wrote:
> >
> > Hi Greg/all,
> >
> > I would like to add a feature to the log system that allows multiple channels to write to a single file.  This will be incredibly useful for correlating messages between channels.  We can also add a log option for adding the channel name to each log line, which would allow filtering based on channel name.
> >
> > Do you want to retain the ability to log different channels to separate files?
> >
> > Sincerely,
> >
> > Vince
> >
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> 
> 
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