DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DBD91214DA
MIME-Version: 1.0
References: <CAO9gXyQNtt7x15sEsNo-2qb2xLOC_8OB_wkti1_d8tvq8fysNQ@mail.gmail.com>
In-Reply-To: <CAO9gXyQNtt7x15sEsNo-2qb2xLOC_8OB_wkti1_d8tvq8fysNQ@mail.gmail.com>
From:   Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Date:   Wed, 10 Oct 2018 13:36:27 +0300
Message-ID: <CABBYNZ+k2KqhynyXCqWoNMwJXR=r+9UFPpy8A-0UXtUdOde0=A@mail.gmail.com>
Subject: Re: How to enable "util_debug" function in att.c
To:     Calvin Yoo <choongbeom@gmail.com>
Cc:     "linux-bluetooth@vger.kernel.org" <linux-bluetooth@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-bluetooth-owner@vger.kernel.org
Precedence: bulk

Hi Calvin,


On Wed, Oct 10, 2018 at 12:58 PM Calvin Yoo <choongbeom@gmail.com> wrote:
>
> Hello,
> How to see output log from "util_debug" function in att.c
> I searched it for few days but I don't have any clue yet.
> How can I see the logs in console?
> (Env. - linux and bluez5.41.)
>
> I found enabling daemon log by adding "-d" flag in bluetooth.service
> file but it's not what I want.

Usually the code linking with bt_att needs to call bt_att_set_debug:

https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/src/shared/att.h#n51

This is done for example by test-gatt:

https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/unit/test-gatt.c#n661

-- 
Luiz Augusto von Dentz