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From: Joe Perches <joe@perches.com>
To: Tomasz Figa <tfiga@google.com>,
	Hirokazu Honda <hiroh@chromium.org>,
	Hans Verkuil <hverkuil@xs4all.nl>
Cc: Pawel Osciak <pawel@osciak.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-media@vger.kernel.org,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] [media] vb2: core: Lower the log level of debug outputs
Date: Wed, 07 Jun 2017 22:16:22 -0700	[thread overview]
Message-ID: <1496898982.1929.7.camel@perches.com> (raw)
In-Reply-To: <CAAFQd5AnpjwgWkNL1RvOY1C2WR8gqVuCrPQmaRVCwjSvAM2u8Q@mail.gmail.com>

On Thu, 2017-06-08 at 13:39 +0900, Tomasz Figa wrote:
> On Thu, Jun 8, 2017 at 12:24 PM, Hirokazu Honda <hiroh@chromium.org> wrote:
> > Hi,
> > 
> > I completely understand bitmask method now.
> > I agree to the idea, but it is necessary to change the specification of
> > a debug parameter.
> >  (We probably need to change a document about that?)
> > For example, there is maybe a user who set a debug parameter 3.
> > The user assume that logs whose levels are less than 4 are shown.
> > However, after the bitmask method is adopted, someday the logs whose
> > level is 1 or 2 are only shown, not 3 level logs are not shown.
> > This will be confusing to users.
> 
> I think I have to agree with Hirokazu here. Even though it's only
> about debugging, there might be some automatic testing systems that
> actually rely on certain values here.

I think it's a non-argument.

If there automated systems that rely on specific levels, then
changing the levels of individual messages could also cause
those automated systems to fail.

  reply	other threads:[~2017-06-08  5:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-30  9:49 [PATCH v2] [media] vb2: core: Lower the log level of debug outputs Hirokazu Honda
2017-05-30 10:19 ` Joe Perches
     [not found]   ` <CAO5uPHO7GwxCTk2OqQA5NfrL0-Jyt5SB-jVpeUA_eCrqR7u5xA@mail.gmail.com>
2017-05-31  2:16     ` Joe Perches
     [not found]       ` <CAO5uPHPWGABuKf3FuAky2BRx+9E=n-QhZ94RPQ7wEuHAwC1qGg@mail.gmail.com>
2017-05-31  4:06         ` Joe Perches
2017-06-07  9:01           ` Hans Verkuil
2017-06-08  3:24             ` Hirokazu Honda
2017-06-08  4:39               ` Tomasz Figa
2017-06-08  5:16                 ` Joe Perches [this message]
2017-06-08  5:24                   ` Tomasz Figa
2017-06-08  5:33                     ` Joe Perches
2017-06-27 22:57                       ` Hirokazu Honda
2017-07-28 13:13                         ` Hans Verkuil

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