Re: [dpdk-dev] Question about telemetry on 18.11 release

2018-11-28 Thread Rami Rosen
HI, Hideyuki, >Are there any reason why accompanied document does NOT exit? >> (if you know the reason why) exit->exist; I don't know. > Is it possible to contribute such a sample application by my side? > (Just idea, I need permission from my boss though..) > You may try, DPDK is an Open Source

Re: [dpdk-dev] Question about telemetry on 18.11 release

2018-11-28 Thread Hideyuki Yamashita
Hello Rami, Thanks for your response. Please see inline. > Hi, Hideyuki, > > >Rami, thanks for your advice. > >If I understand you correctly, then > >there already exist APIs to collect statistic > >information inside dpdk including CPU usage. > > Yup. I want to also note that the librte jobsta

Re: [dpdk-dev] Question about telemetry on 18.11 release

2018-11-22 Thread Rami Rosen
Hi, Hideyuki, >Rami, thanks for your advice. >If I understand you correctly, then >there already exist APIs to collect statistic >information inside dpdk including CPU usage. Yup. I want to also note that the librte jobstats is very veteran, it exists in DPDK versions prior to 16.04 (like in 2.2.

Re: [dpdk-dev] Question about telemetry on 18.11 release

2018-11-22 Thread Hideyuki Yamashita
Hello Kevin, Thanks for your answering. Please see inline tagged with [Hideyuki]. > On 21/11/2018 11:38, Ferruh Yigit wrote: > > On 11/21/2018 7:48 AM, Hideyuki Yamashita wrote: > >> Hello, > >> > >> I have some basic questions about telemetry API > >> which is planned to be relaesed in 18.11. > >

Re: [dpdk-dev] Question about telemetry on 18.11 release

2018-11-22 Thread Laatz, Kevin
On 21/11/2018 11:38, Ferruh Yigit wrote: On 11/21/2018 7:48 AM, Hideyuki Yamashita wrote: Hello, I have some basic questions about telemetry API which is planned to be relaesed in 18.11. Note that I have read the follwoing document. https://doc.dpdk.org/guides/howto/telemetry.html Q1. In gene

Re: [dpdk-dev] Question about telemetry on 18.11 release

2018-11-22 Thread Hideyuki Yamashita
Hi Ferruh, Rami Thanks for your answering me at this busy time during release of 18.11. I will wait response from your colleague. >Ferruh Rami, thanks for your advice. If I understand you correctly, then there already exist APIs to collect statistic information inside dpdk including CPU usag

Re: [dpdk-dev] Question about telemetry on 18.11 release

2018-11-21 Thread Rami Rosen
Hi Hideyuki, Regarding your questions about DPDK CPU usage, etc: I believe that due to the way PMDs are implemented, maybe one should consider using DPDK RTE jobstats API for collecting stats for a DPDK app. This API reflects better the actual DPDK app stats. See an example in: https://doc.dpdk.or

Re: [dpdk-dev] Question about telemetry on 18.11 release

2018-11-21 Thread Ferruh Yigit
On 11/21/2018 7:48 AM, Hideyuki Yamashita wrote: > Hello, > > I have some basic questions about telemetry API > which is planned to be relaesed in 18.11. > > Note that I have read the follwoing document. > https://doc.dpdk.org/guides/howto/telemetry.html > > Q1. In general dpdk application use p

[dpdk-dev] Question about telemetry on 18.11 release

2018-11-20 Thread Hideyuki Yamashita
Hello, I have some basic questions about telemetry API which is planned to be relaesed in 18.11. Note that I have read the follwoing document. https://doc.dpdk.org/guides/howto/telemetry.html Q1. In general dpdk application use polling when receiving packets. So CPU usage is always looks 100% wh