Re: [dpdk-dev] [PATCH v6 10/13] config: add debug to I40E Flow Director

From: Ferruh Yigit <ferruh.yigit@intel.com>
To: "Iremonger, Bernard" <bernard.iremonger@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Xing, Beilei" <beilei.xing@intel.com>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>,
	"Doherty, Declan" <declan.doherty@intel.com>
Cc: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	"Byrne, Stephen1" <stephen1.byrne@intel.com>,
	"Zhang, Helin" <helin.zhang@intel.com>
Subject: Re: [dpdk-dev] [PATCH v6 10/13] config: add debug to I40E Flow Director
Date: Thu, 16 Jan 2020 15:38:57 +0000	[thread overview]
Message-ID: <1aee4fdf-d48f-9b4f-8e99-a1f2f16d2e73@intel.com> (raw)
In-Reply-To: <DM6PR11MB3914C5246AC02AE8DE877B93EF370@DM6PR11MB3914.namprd11.prod.outlook.com>

On 1/15/2020 5:26 PM, Iremonger, Bernard wrote:
> Hi Ferruh,
> 
>> -----Original Message-----
>> From: Yigit, Ferruh <ferruh.yigit@intel.com>
>> Sent: Wednesday, January 15, 2020 4:18 PM
>> To: Iremonger, Bernard <bernard.iremonger@intel.com>; dev@dpdk.org;
>> Xing, Beilei <beilei.xing@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>;
>> Doherty, Declan <declan.doherty@intel.com>
>> Cc: Ananyev, Konstantin <konstantin.ananyev@intel.com>; Byrne, Stephen1
>> <stephen1.byrne@intel.com>; Zhang, Helin <helin.zhang@intel.com>
>> Subject: Re: [dpdk-dev] [PATCH v6 10/13] config: add debug to I40E Flow
>> Director
>>
>> On 1/15/2020 3:53 PM, Bernard Iremonger wrote:
>>> add CONFIG_RTE_LIBRTE_I40E_DEBUG_FD to config/common_base file
>>>
>>> Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
>>> ---
>>>  config/common_base | 1 +
>>>  1 file changed, 1 insertion(+)
>>>
>>> diff --git a/config/common_base b/config/common_base index
>>> 7dec7ed..7a76c26 100644
>>> --- a/config/common_base
>>> +++ b/config/common_base
>>> @@ -305,6 +305,7 @@ CONFIG_RTE_LIBRTE_I40E_PMD=y
>>> CONFIG_RTE_LIBRTE_I40E_DEBUG_RX=n
>> CONFIG_RTE_LIBRTE_I40E_DEBUG_TX=n
>>> CONFIG_RTE_LIBRTE_I40E_DEBUG_TX_FREE=n
>>> +CONFIG_RTE_LIBRTE_I40E_DEBUG_FD=y
>>>  CONFIG_RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC=y
>>>  CONFIG_RTE_LIBRTE_I40E_INC_VECTOR=y
>>>  CONFIG_RTE_LIBRTE_I40E_16BYTE_RX_DESC=n
>>>
>>
>> Hi Bernard,
>>
>> If the dynamic log won't make in time, what do you think dropping the
>> RTE_LIBRTE_I40E_DEBUG_FD patches for now, it seems it is only for debug,
>> and do the dynamic log support incremental later?
> 
> I have had a look at the existing rte_log() support in the i40e code in i40e_logs.h and i40e_ethdev.c (line 403 +) and lines 12930 +
> The RTE_LIBRTE_I40E_DEBUG_XXX macros are used so this change to config/common_base is needed for dynamic logging too.

These are for datapath, unfortunately we don't have any other option for datapath.

I saw v7 is sent, let me continue to process it dropping this bit.

Thanks,
ferruh

> 
> The PMD_RX_LOG() seems to only do a printf () which is not what I want.
> 
> I would like to keep these two patches which have been acked in the v5 patchset.
> 
> I will continue with the dynamic logging after the merge if that is allowed.
> 
> Regards,
> 
> Bernard
> 
> 
> 