[dpdk-dev] [PATCH v2] log: do not drop debug logs at compile time

Thomas Monjalon thomas.monjalon at 6wind.com
Mon Dec 5 15:08:55 CET 2016


2016-11-23 16:34, Olivier Matz:
> Today, all logs whose level is lower than INFO are dropped at
> compile-time. This prevents from enabling debug logs at runtime using
> --log-level=8.
> 
> The rationale was to remove debug logs from the data path at
> compile-time, avoiding a test at run-time.
> 
> This patch changes the behavior of RTE_LOG() to avoid the compile-time
> optimization, and introduces the RTE_LOG_DP() macro that has the same
> behavior than the previous RTE_LOG(), for the rare cases where debug
> logs are in the data path.
> 
> So it is now possible to enable debug logs at run-time by just
> specifying --log-level=8. Some drivers still have special compile-time
> options to enable more debug log. Maintainers may consider to
> remove/reduce them.
> 
> Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>

Applied, thanks


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