Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-12 Thread Rich Brown
Closed #178. -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/tohojo/flent/issues/178#event-2628972439___ Flent-users mailing list Flent-users@flent.org

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-12 Thread Rich Brown
I am going to close this for now. Two reasons: 1. The primary reason for this report was that I misunderstood how Flent measures latency for its default plot. Currently, that plot shows latency to the -H host. As noted in https://github.com/tohojo/flent/issues/181#issuecomment-530500478, there

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-11 Thread Toke Høiland-Jørgensen
Rich Brown writes: > Update: I'm trying to get repeatable test showing a difference of latency > between the Flent ping_host values and a separate/concurrent fping run. (I > saw it two days ago, but can't reproduce now... This is roundabout way to say > that, for the moment, the Flent

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-11 Thread Rich Brown
Update: I'm trying to get repeatable test showing a difference of latency between the Flent ping_host values and a separate/concurrent fping run. (I saw it two days ago, but can't reproduce now... This is roundabout way to say that, for the moment, the Flent ping_host and separate fping runs

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-09 Thread Toke Høiland-Jørgensen
Rich Brown writes: >> > 1. Could flent charts use the `--test-parameter=ping_hosts=...` instead of >> > values from the -H host? > >> Well, it should probably show both by default. For now, there's a separate >> plot type you can use to see the extra flows (-p ping_extra). > > I don't see how

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-09 Thread Toke Høiland-Jørgensen
Rich Brown writes: >> > 2. Why is there a discrepency between the > `--test-parameter=ping_hosts=...` reading (showing 30-38 msec in my > tests) and a separate, concurrent fping test (see original post, where > it was running 20-22 msec)? > >> Good question. IPv4 vs IPv6 maybe? > > I don't

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-09 Thread Rich Brown
PS Why am I perseverating about this now? I have taken Dave's script and packaged it for ease of use. See [Coffee Shop Bloat Script](https://github.com/richb-hanover/coffee-shop-bloat-test) I can conceal a lot of the options into the script if I know what they are. Thanks again. -- You are

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-09 Thread Rich Brown
> > 2. Why is there a discrepency between the `--test-parameter=ping_hosts=...` reading (showing 30-38 msec in my tests) and a separate, concurrent fping test (see original post, where it was running 20-22 msec)? > Good question. IPv4 vs IPv6 maybe? I don't think so. Here's fping for both

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-09 Thread Rich Brown
> > 1. Could flent charts use the `--test-parameter=ping_hosts=...` instead of > > values from the -H host? > Well, it should probably show both by default. For now, there's a separate > plot type you can use to see the extra flows (-p ping_extra). I don't see how to use the `-p` option. When

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-09 Thread Toke Høiland-Jørgensen
Rich Brown writes: > Hmmm... The `--test-parameter=ping_hosts=gstatic.com` information > appears in the command-line summary but not in the charts. Is this > correct? > > If so, the charts display significantly different latency depending on > which -H host gets used. The Terminal display

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-08 Thread Rich Brown
Hmmm... The `--test-parameter=ping_hosts=gstatic.com` information appears in the command-line summary but not in the charts. Is this correct? If so, the charts display significantly different latency depending on which -H host gets used. The Terminal display (bottom) shows fairly consistent

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-08 Thread Toke Høiland-Jørgensen
Rich Brown writes: > Ahah! I see the difference. I was testing against `gstatic.com` with > Terminal; Flent was testing against `flent-fremont.bufferbloat.net` > > This seems a pretty big disparity between test results. Is there an > option to tell Flent to ping a more local host? Thanks. You

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-08 Thread Rich Brown
Ahah! I see the difference. I was testing against `gstatic.com` with Terminal; Flent was testing against `flent-fremont.bufferbloat.net` This seems a pretty big disparity between test results. Is there an option to tell Flent to ping a more local host? Thanks. ``` bash-3.2$ fping -c 1000

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-06 Thread Toke Høiland-Jørgensen
Rich Brown writes: > Here's the log file: https://pastebin.com/aBXCgjD1 > > NB I'll be away for the weekend, so won't follow up for a while. > Thanks. Looks like those are the actual ping times reported by fping: [1567795827.309700] flent-fremont.bufferbloat.net : [175], 84 bytes, 95.5 ms

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-06 Thread Rich Brown
Here's the log file: https://pastebin.com/aBXCgjD1 NB I'll be away for the weekend, so won't follow up for a while. Thanks. -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub:

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-06 Thread Toke Høiland-Jørgensen
Rich Brown writes: > Hmmm, not this time... What else could I check? > > ![image](https://user-images.githubusercontent.com/1094930/64439228-7e5a5880-d097-11e9-9068-1f80fd634be7.png) If you turn on debug logging during the test run (-L option), that log will include the actual output of the

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-06 Thread Rich Brown
Hmmm, not this time... What else could I check? ![image](https://user-images.githubusercontent.com/1094930/64439228-7e5a5880-d097-11e9-9068-1f80fd634be7.png) -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub:

Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178)

2019-09-06 Thread Dave Täht
Rich Brown writes: > Using Flent 1.3.0 with fping 4.2 on macOS 10.2.6: > > I see high ping times (>100 msec in the following report) despite the > fact that actual ping times (measured by fping during the flent test) > are 20-30 msec, and none higher that 47 msec. (I am on 7mbps/768kbps > DSL,