[dpdk-dev] [PATCH 2/6] rte_log.h: add detailed log levels RTE_LOG{FINE, FINER, FINEST}

Ananyev, Konstantin konstantin.ananyev at intel.com
Fri Nov 13 12:48:41 CET 2015



> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Bruce Richardson
> Sent: Friday, November 13, 2015 11:44 AM
> To: Matthew Hall
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 2/6] rte_log.h: add detailed log levels RTE_LOG{FINE, FINER, FINEST}
> 
> On Fri, Nov 13, 2015 at 06:47:34AM +0000, Matthew Hall wrote:
> > Signed-off-by: Matthew Hall <mhall at mhcomputing.net>
> > ---
> >  lib/librte_eal/common/include/rte_log.h | 19 +++++++++++--------
> >  1 file changed, 11 insertions(+), 8 deletions(-)
> >
> > diff --git a/lib/librte_eal/common/include/rte_log.h b/lib/librte_eal/common/include/rte_log.h
> > index 9dad24e..7dc19e1 100644
> > --- a/lib/librte_eal/common/include/rte_log.h
> > +++ b/lib/librte_eal/common/include/rte_log.h
> > @@ -90,14 +90,17 @@ extern struct rte_logs rte_logs;
> >  #define RTE_LOGTYPE_USER8   0x80000000 /**< User-defined log type 8. */
> >
> >  /* Can't use 0, as it gives compiler warnings */
> > -#define RTE_LOG_EMERG    1U  /**< System is unusable.               */
> > -#define RTE_LOG_ALERT    2U  /**< Action must be taken immediately. */
> > -#define RTE_LOG_CRIT     3U  /**< Critical conditions.              */
> > -#define RTE_LOG_ERR      4U  /**< Error conditions.                 */
> > -#define RTE_LOG_WARNING  5U  /**< Warning conditions.               */
> > -#define RTE_LOG_NOTICE   6U  /**< Normal but significant condition. */
> > -#define RTE_LOG_INFO     7U  /**< Informational.                    */
> > -#define RTE_LOG_DEBUG    8U  /**< Debug-level messages.             */
> > +#define RTE_LOG_EMERG     1U  /**< System is unusable.               */
> > +#define RTE_LOG_ALERT     2U  /**< Action must be taken immediately. */
> > +#define RTE_LOG_CRIT      3U  /**< Critical conditions.              */
> > +#define RTE_LOG_ERR       4U  /**< Error conditions.                 */
> > +#define RTE_LOG_WARNING   5U  /**< Warning conditions.               */
> > +#define RTE_LOG_NOTICE    6U  /**< Normal but significant condition. */
> > +#define RTE_LOG_INFO      7U  /**< Informational.                    */
> > +#define RTE_LOG_DEBUG     8U  /**< Debug-level messages.             */
> > +#define RTE_LOG_FINE      9U  /**< Fine-level messages.              */
> > +#define RTE_LOG_FINER    10U  /**< Finer-level messages.             */
> > +#define RTE_LOG_FINEST   11U  /**< Finest-level messages.            */
> >
> >  /** The default log stream. */
> >  extern FILE *eal_default_log_stream;
> > --
> > 1.9.1
> >
> Why 11 log levels - it seems an odd number?
> Also, not sure about the {fine, finer, finest} names. My thinking would be to
> just start numbering them after DEBUG, so RTE_LOG_L9, RTE_LOG_L10 etc., which
> would allow us to add on an arbitrary number of extra log levels as needed.

Actually another question: are existing 8 levels not enough?
Konstantin

 

> 
> /Bruce


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