[dpdk-dev] [PATCH v2] log: respect rte_openlog_stream calls before rte_eal_init

[John Ousterhout]

Don's argument for stderr over stdout makes sense to me. Does anyone else
disagree?

-John-

On Tue, Oct 11, 2016 at 3:16 PM, Don Provan <dprovan at bivio.net> wrote:

> > -----Original Message-----
> > From: John Ousterhout [mailto:ouster at cs.stanford.edu]
> > Sent: Tuesday, October 11, 2016 9:30 AM
> > To: Thomas Monjalon <thomas.monjalon at 6wind.com>
> > Cc: dev at dpdk.org
> > Subject: Re: [dpdk-dev] [PATCH v2] log: respect rte_openlog_stream calls
> > before rte_eal_init
> >
> > On Tue, Oct 11, 2016 at 1:08 AM, Thomas Monjalon
> > <thomas.monjalon at 6wind.com>
> > wrote:
> > > I don't know either.
> > > What is best between stdout and stderr for logs?
> >
> > I would guess that stdout makes more sense, since most log entries
> describe
> > normal operation, not errors. I'm happy to make these consistent, but
> this
> > would introduce a behavior change for BSD (which currently uses stderr);
> > would that be considered antisocial?
>
> I've never seen a pronouncement or anything, but as a linux programmer,
> my attitude is that stdout should be the output the application is
> producing
> when carrying out its function. Debugging output isn't part of what the
> application is trying to accomplish, so it should be sent to stderr where
> it
> can be segregated from the functional output when needed.
> -don
> dprovan at bivio.net
>
>