[dpdk-dev] [PATCH v2 0/3] app/testpmd: qualify Rx/Tx profiling data on burst size

[Thomas Monjalon]

19/03/2020 14:50, Viacheslav Ovsiienko:
> There is the CONFIG_RTE_TEST_PMD_RECORD_CORE_CYCLES configuration
> parameter enabling the lightweight profiler for the forwarding
> routines that provides the time spent in the routines and estimates
> the CPU cycles required to process one packet.
> 
> It would be good to have separated data for the Rx and Tx directions.
> Beside this, the performance depends on the actual burst size, the profiling
> data per burst size are meaningful and would help detect the performance
> anomalies.
> 
> To control this profiling statistics the new testpmd command is introduced:
> 
>   set fwdprof (flags)
> 
> This command controls which profiling statistics is being gathered
> in runtime:
> 
> - bit 0 - enables profiling the entire forward routine, counts the ticks
>           spent in the forwarding routine, is set by default. Provides
> 	  the same data as previous implementation.
> 
> - bit 1 - enables gathering the profiling data for the transmit datapath,
>           counts the ticks spent within rte_eth_tx_burst() routine,
>           is cleared by default, extends the existing statistics.
> 
> - bit 2 - enables gathering the profiling data for the receive datapath,
>           counts the ticks spent within	rte_eth_rx_burst() routine,
> 	  is cleared by default, extends the existing statistics.

Please can you rename bit 1 to Rx, and bit 2 to Tx,
and implement configuration with text parsing instead of obscure bitflags?
It would be more user-friendly, thanks.