Re: [PATCH BlueZ v2 4/9] adapter: Don't use DBG in mgmt_debug

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Hi Luiz,

>>> mgmt_debug callback is used to print debug strings from mgmt instances
>>> which includes the file and function names so using DBG would add yet
>>> another set of file and function prefixes which makes the logs
>>> confusing.
>>> ---
>>> src/adapter.c | 8 +++-----
>>> 1 file changed, 3 insertions(+), 5 deletions(-)
>>> 
>>> diff --git a/src/adapter.c b/src/adapter.c
>>> index 97ce26f8e..6680c5410 100644
>>> --- a/src/adapter.c
>>> +++ b/src/adapter.c
>>> @@ -10327,9 +10327,8 @@ static void read_version_complete(uint8_t status, uint16_t length,
>>> 
>>> static void mgmt_debug(const char *str, void *user_data)
>>> {
>>> - const char *prefix = user_data;
>>> -
>>> - info("%s%s", prefix, str);
>>> + if (DBG_IS_ENABLED())
>>> + btd_debug(0xffff, "%s", str);
>>> }
>>> 
>>> int adapter_init(void)
>>> @@ -10342,8 +10341,7 @@ int adapter_init(void)
>>> return -EIO;
>>> }
>>> 
>>> - if (getenv("MGMT_DEBUG"))
>>> - mgmt_set_debug(mgmt_primary, mgmt_debug, "mgmt: ", NULL);
>>> + mgmt_set_debug(mgmt_primary, mgmt_debug, NULL, NULL);
>> 
>> oh no. This is crazy. Please re-think this and what computational overhead you are introducing.
> 
> I considered moving DBG_IS_ENABLED() in place of getenv("MGMT_DEBUG")
> so that would be use just once per adapter, the problem is that
> wouldn't work with:

why do you need this in the first place. The mgmt protocol is also added to btmon traces. Unless you work on src/shared/mgmt.c directly, you don’t need to the debug feature at all. Just let btmon decode it for you.

Regards

Marcel




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