Re: JSON versus terse : latency_us : "2"

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On Mon, Oct 15, 2018 at 12:09 PM Vincent Fu <vincentfu@xxxxxxxxx> wrote:
>
> On 10/11/2018 01:51 PM, smitha sunder wrote:
> >>From the JSON output :
> >        "latency_us" : {
> >          "2" : 11.500203, <----
> >          "4" : 40.336987,
> >          "10" : 2.821762,
> >          "20" : 0.121803,
> >          "50" : 0.020300,
> >          "100" : 0.000000,
> >          "250" : 0.000000,
> >          "500" : 0.000000,
> >          "750" : 0.000000,
> >          "1000" : 0.000000
> >        },
> >
> > Terse output :
> > lat_2us 56.70% <---
> > lat_4us 40.34%
> > lat_10us 2.82%
> > lat_20us 0.12%
> > lat_50us 0.02%
> > lat_100us 0.00%
> > lat_250us 0.00%
> > lat_500us 0.00%
> > lat_750us 0.00%
> > lat_1000us 0.00%
>
> This is because the terse output has no nanosecond latency values. So
> the terse lat_2us bucket includes everything below 2us.
>
> The JSON latency_us 2 bucket includes only the percentage from 1-2us.
> There should also be a "latency_ns" JSON object with the percentage
> distribution for latencies under 1us. If you add up all those along with
> the latency_us 2 value of 11.5, you should get 56.7%.

Thanks Vicent! Appreciate the help!



Here it is :

      "latency_ns" : {

        "2" : 0.000000,

        "4" : 0.000000,

        "10" : 0.000000,

        "20" : 0.000000,

        "50" : 0.000000,

        "100" : 0.030451,

        "250" : 1.421031,

        "500" : 4.496549,

        "750" : 3.664231,

        "1000" : 35.586683

      },

      "latency_us" : {

        "2" : 11.500203,

        "4" : 40.336987,

        "10" : 2.821762,

        "20" : 0.121803,

        "50" : 0.020300,

        "100" : 0.000000,

        "250" : 0.000000,

        "500" : 0.000000,

        "750" : 0.000000,

        "1000" : 0.000000

      },

      "latency_ms" : {

        "2" : 0.000000,

        "4" : 0.000000,

        "10" : 0.000000,

        "20" : 0.000000,

        "50" : 0.000000,

        "100" : 0.000000,

        "250" : 0.000000,

        "500" : 0.000000,

        "750" : 0.000000,

        "1000" : 0.000000,

        "2000" : 0.000000,

        ">=2000" : 0.000000

      },



Thanks

smitha



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