* Re: [Flent-users] [tohojo/flent] Problem with Flent Average for rrul & rrul_be? (#184)
[not found] <tohojo/flent/issues/184@github.com>
@ 2019-09-15 12:37 ` Toke Høiland-Jørgensen
2019-09-16 14:34 ` Toke Høiland-Jørgensen
` (2 subsequent siblings)
3 siblings, 0 replies; 4+ messages in thread
From: Toke Høiland-Jørgensen @ 2019-09-15 12:37 UTC (permalink / raw)
To: tohojo/flent; +Cc: Subscribed
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Hmm, hard to say for sure without data and log files, but this might be an artifact of the netperf UDP RR test. I would expect you'd get better data using irtt...
On 15 September 2019 13:56:31 CEST, Rich Brown <notifications@github.com> wrote:
>Flent 1.9.9-git-2a08dd9:
>
>I am confused about the following. Might they be a problem?
>
>* The displayed UDP ping times in the Average column for the rrul and
>rrul_be tests don't seem correct - they are considerably lower than
>expected. (The median values are believable.)
>
>* The plotted Average ping for rrul & rrul_be are so much lower than
>the readings. (see plots below)
>
>Thanks.
>```
>Started Flent 1.9.9-git-2a08dd9 using Python 3.7.3.
>Starting rrul test. Expected run time: 70 seconds.
>Data file written to
>./rrul-2019-09-15T065804.053659.Richs-MBP-10337_lan.flent.gz.
>
>Summary of rrul test run from 2019-09-15 10:58:04.053659
> Title: 'Richs-MBP-10337.lan'
>
> avg median # data pts
>Ping (ms) ICMP : 106.25 105.00 ms
> 350
>Ping (ms) ICMP 1.1.1.1 (extra) : 31.23 30.55 ms
> 350
>Ping (ms) UDP BE : 9.43 106.38 ms
> 352
>Ping (ms) UDP BK : 9.40 106.72 ms
> 352
>Ping (ms) UDP EF : 9.38 106.44 ms
> 352
>Ping (ms) avg : 9.40 N/A ms
> 352
>TCP download BE : 1.52 1.55 Mbits/s
> 352
>TCP download BK : 1.52 1.52 Mbits/s
> 352
>TCP download CS5 : 1.51 1.50 Mbits/s
> 352
>TCP download EF : 1.47 1.53 Mbits/s
> 352
>TCP download avg : 1.50 N/A Mbits/s
> 352
>TCP download sum : 6.02 N/A Mbits/s
> 352
>TCP totals : 6.45 N/A Mbits/s
> 352
>TCP upload BE : 0.10 0.10 Mbits/s
> 352
>TCP upload BK : 0.11 0.11 Mbits/s
> 352
>TCP upload CS5 : 0.11 0.10 Mbits/s
> 352
>TCP upload EF : 0.11 0.11 Mbits/s
> 352
>TCP upload avg : 0.11 N/A Mbits/s
> 352
>TCP upload sum : 0.43 N/A Mbits/s
> 352
>Started Flent 1.9.9-git-2a08dd9 using Python 3.7.3.
>Starting rrul_be test. Expected run time: 70 seconds.
>Data file written to
>./rrul_be-2019-09-15T065924.850091.Richs-MBP-10337_lan.flent.gz.
>
>Summary of rrul_be test run from 2019-09-15 10:59:24.850091
> Title: 'Richs-MBP-10337.lan'
>
> avg median # data pts
>Ping (ms) ICMP : 106.67 106.00 ms
> 350
>Ping (ms) ICMP 1.1.1.1 (extra) : 30.96 30.30 ms
> 350
>Ping (ms) UDP BE1 : 9.47 106.33 ms
> 352
>Ping (ms) UDP BE2 : 9.40 107.30 ms
> 352
>Ping (ms) UDP BE3 : 9.26 104.88 ms
> 352
>Ping (ms) avg : 9.38 N/A ms
> 352
>TCP download BE : 1.38 1.39 Mbits/s
> 352
>TCP download BE2 : 1.61 1.67 Mbits/s
> 352
>TCP download BE3 : 1.55 1.61 Mbits/s
> 352
>TCP download BE4 : 1.50 1.56 Mbits/s
> 352
>TCP download avg : 1.51 N/A Mbits/s
> 352
>TCP download sum : 6.04 N/A Mbits/s
> 352
>TCP totals : 6.48 N/A Mbits/s
> 352
>TCP upload BE : 0.11 0.11 Mbits/s
> 352
>TCP upload BE2 : 0.11 0.11 Mbits/s
> 352
>TCP upload BE3 : 0.11 0.11 Mbits/s
> 352
>TCP upload BE4 : 0.11 0.10 Mbits/s
> 352
>TCP upload avg : 0.11 N/A Mbits/s
> 352
>TCP upload sum : 0.44 N/A Mbits/s
> 352
>bash-3.2$
>```
><img width="819" alt="image"
>src="https://user-images.githubusercontent.com/1094930/64921053-35d42680-d78c-11e9-990d-4d57b92ec379.png">
>
><img width="819" alt="image"
>src="https://user-images.githubusercontent.com/1094930/64921056-3ff62500-d78c-11e9-8cfa-cd63f91861c4.png">
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [Flent-users] [tohojo/flent] Problem with Flent Average for rrul & rrul_be? (#184)
[not found] <tohojo/flent/issues/184@github.com>
2019-09-15 12:37 ` [Flent-users] [tohojo/flent] Problem with Flent Average for rrul & rrul_be? (#184) Toke Høiland-Jørgensen
@ 2019-09-16 14:34 ` Toke Høiland-Jørgensen
2019-09-17 9:58 ` Toke Høiland-Jørgensen
2019-09-19 14:43 ` Toke Høiland-Jørgensen
3 siblings, 0 replies; 4+ messages in thread
From: Toke Høiland-Jørgensen @ 2019-09-16 14:34 UTC (permalink / raw)
To: tohojo/flent; +Cc: Subscribed
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Rich Brown <notifications@github.com> writes:
> OK New run, this time with result and log files... (Charts are
> substantially the same as above.) Thanks!
Aha! That's useful!
Right, so there are two things going on here:
- The MEAN_VALUE stored as metadata has not been transformed from
transactions/second to ms.
- The extra ping test was included in the average but not on the plot.
Both of these should be fixed in current master, although the former
will only work for new data files. Not sure if I can find a good way to
detect that the transformation is missing and fix it in post-processing,
unfortunately :(
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [Flent-users] [tohojo/flent] Problem with Flent Average for rrul & rrul_be? (#184)
[not found] <tohojo/flent/issues/184@github.com>
2019-09-15 12:37 ` [Flent-users] [tohojo/flent] Problem with Flent Average for rrul & rrul_be? (#184) Toke Høiland-Jørgensen
2019-09-16 14:34 ` Toke Høiland-Jørgensen
@ 2019-09-17 9:58 ` Toke Høiland-Jørgensen
2019-09-19 14:43 ` Toke Høiland-Jørgensen
3 siblings, 0 replies; 4+ messages in thread
From: Toke Høiland-Jørgensen @ 2019-09-17 9:58 UTC (permalink / raw)
To: tohojo/flent; +Cc: Subscribed
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Rich Brown <notifications@github.com> writes:
> Looks good. Displayed ping averages are much more reasonable.
Awesome!
> Does the plotted Ping Average include/average in the extra host
> (1.1.1.1)? Is this new? Thanks.
Yeah, it does. And no, it isn't. I'm wondering why it isn't in the
summary output...
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [Flent-users] [tohojo/flent] Problem with Flent Average for rrul & rrul_be? (#184)
[not found] <tohojo/flent/issues/184@github.com>
` (2 preceding siblings ...)
2019-09-17 9:58 ` Toke Høiland-Jørgensen
@ 2019-09-19 14:43 ` Toke Høiland-Jørgensen
3 siblings, 0 replies; 4+ messages in thread
From: Toke Høiland-Jørgensen @ 2019-09-19 14:43 UTC (permalink / raw)
To: tohojo/flent; +Cc: Comment, flent-users
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Rich Brown <notifications@github.com> writes:
> I'm not sure I see any difference... I attach the flent.gz and log
> files.
Huh, no, seems I was wrong in my root cause analysis. The issue is that
it's actually being output on stderr, not stdout.
Should be fixed in fa47b0f6df7de6cc35eca5b6d04f77c2c59bdbf1...
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