[dpdk-dev] [PATCH] vhost: Add dynamic logging system

[Tiwei Bie]

On Wed, Dec 04, 2019 at 04:07:29PM +0100, Adrian Moreno wrote:
> Currently there are a couple of limitations on the logging system: Most
> of the logs are compiled out and both datapath and controlpath logs
> share the same loglevel.
> 
> This patch tries to help fix that situation by:
> - Splitting control plane and data plane logs
> - Making control plane logs dynamic while keeping data plane logs
> compiled out by default for log levels lower than the INFO.
> 
> As a result, two macros are introduced:
> - VHOST_LOG_CONFIG(LEVEL, ...): Config path logging. Level can be
> dynamically controlled by "lib.vhost.config"
> 
> - VHOST_LOG_DATA(LEVEL, ...): Data path logging. Level can be dynamically
> controlled by "lib.vhost.data". Every log macro with a level lower than
> RTE_LOG_DP_LEVEL (which defaults to RTE_LOG_INFO) will be compiled out.
> 
> Signed-off-by: Adrian Moreno <amorenoz at redhat.com>

Acked-by: Tiwei Bie <tiwei.bie at intel.com>