From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <ferruh.yigit@intel.com>
Received: from mga05.intel.com (mga05.intel.com [192.55.52.43])
 by dpdk.org (Postfix) with ESMTP id DF30B37B2
 for <dev@dpdk.org>; Fri, 14 Apr 2017 17:33:00 +0200 (CEST)
Received: from fmsmga002.fm.intel.com ([10.253.24.26])
 by fmsmga105.fm.intel.com with ESMTP; 14 Apr 2017 08:32:59 -0700
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.37,199,1488873600"; d="scan'208";a="1155942557"
Received: from fyigit-mobl1.ger.corp.intel.com (HELO [10.237.220.122])
 ([10.237.220.122])
 by fmsmga002.fm.intel.com with ESMTP; 14 Apr 2017 08:32:58 -0700
To: Olivier Matz <olivier.matz@6wind.com>
Cc: dev@dpdk.org, david.marchand@6wind.com, bruce.richardson@intel.com,
 thomas.monjalon@6wind.com, keith.wiles@intel.com, stephen@networkplumber.org
References: <20170329155323.4760-1-olivier.matz@6wind.com>
 <20170404164040.24132-1-olivier.matz@6wind.com>
 <20170404164040.24132-5-olivier.matz@6wind.com>
From: Ferruh Yigit <ferruh.yigit@intel.com>
Message-ID: <d666d14c-489b-cb4f-5a2a-e4f19ad90a79@intel.com>
Date: Fri, 14 Apr 2017 16:32:57 +0100
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101
 Thunderbird/52.0
MIME-Version: 1.0
In-Reply-To: <20170404164040.24132-5-olivier.matz@6wind.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Subject: Re: [dpdk-dev] [PATCH v3 4/8] eal: change specific log levels at
 startup
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Fri, 14 Apr 2017 15:33:01 -0000

Hi Olivier,

On 4/4/2017 5:40 PM, Olivier Matz wrote:
> Example of use:
>   ./app/test-pmd --log-level='pmd\.i40e.*,8'
> 
>   This enables debug logs for all dynamic logs whose type starts with
>   'pmd.i40e'.
> 
> Signed-off-by: Olivier Matz <olivier.matz@6wind.com>

<...>

> index f0ded185b..d98d56d2f 100644
> --- a/lib/librte_eal/linuxapp/eal/eal.c
> +++ b/lib/librte_eal/linuxapp/eal/eal.c
> @@ -776,10 +776,8 @@ rte_eal_init(int argc, char **argv)
>  
>  	thread_id = pthread_self();
>  
> -	eal_log_level_parse(argc, argv);
> -
>  	/* set log level as early as possible */
> -	rte_set_log_level(internal_config.log_level);

Removing this line prevents using RTE_LOG_LEVEL config option.

When there is no command line argument provided, I think it makes sense
to use config option. Currently config option is set to INFO level but
app shows DEBUG level logs, this is confusing.

> +	eal_log_level_parse(argc, argv);
>  
>  	if (rte_eal_cpu_init() < 0) {
>  		rte_eal_init_alert("Cannot detect lcores.");
>