[dpdk-dev] [PATCH 0/5] add apistats function

[Thomas Monjalon]

04/12/2020 08:51, Hideyuki Yamashita:
> In general, DPDK application consumes CPU usage because it polls
> incoming packets using rx_burst API in infinite loop.
> This makes difficult to estimate how much CPU usage is really
> used to send/receive packets by the DPDK application.
> 
> For example, even if no incoming packets arriving, CPU usage
> looks nearly 100% when observed by top command.
> 
> It is beneficial if developers can observe real CPU usage of the
> DPDK application.
> Such information can be exported to monitoring application like
> prometheus/graphana and shows CPU usage graphically.
> 
> To achieve above, this patch set provides apistats functionality.
> apistats provides the followiing two counters for each lcore.
> - rx_burst_counts[RTE_MAX_LCORE]
> - tx_burst_counts[RTE_MAX_LCORE]
> Those accumulates rx_burst/tx_burst counts since the application starts.

Please could you compare with what rte_jobstats offers?
http://code.dpdk.org/dpdk/latest/source/lib/librte_jobstats/rte_jobstats.h

I feel all of this shares the same goals as librte_power work.

[...]
> - basic API counting functionality(apistats) into librte_ethdev

Could it be it be accessible via rte_telemetry?
http://code.dpdk.org/dpdk/latest/source/lib/librte_telemetry/rte_telemetry.h