From: Dave Taht <dave.taht@gmail.com>
To: flent-users <flent-users@flent.org>, Pete Heist <peteheist@gmail.com>
Subject: [Flent-users] irtt sleep test
Date: Wed, 6 Dec 2017 17:24:04 -0800 [thread overview]
Message-ID: <CAA93jw6KQP-FFgdL8g5U1EYaD2GFpuPvVd9G9cj+m3mU5xh+BA@mail.gmail.com> (raw)
good test. I wish I'd thought of it. Life below a ms is a PITA.
For comparison, an aarch64 and an x86_64:
root@nanopineo2:~# irtt sleep
Testing sleep accuracy...
Sleep Duration Mean Error % Error
1ns 13.353µs 1335336.9
10ns 14.34µs 143409.5
100ns 13.343µs 13343.9
1µs 12.791µs 1279.2
10µs 148.661µs 1486.6
100µs 150.907µs 150.9
1ms 168.001µs 16.8
10ms 131.235µs 1.3
100ms 145.611µs 0.1
200ms 162.917µs 0.1
500ms 169.885µs 0.0
d@nemesis:~$ irtt sleep
Testing sleep accuracy...
Sleep Duration Mean Error % Error
1ns 668ns 66831.9
10ns 672ns 6723.7
100ns 557ns 557.6
1µs 57.749µs 5774.9
10µs 63.063µs 630.6
100µs 67.737µs 67.7
1ms 153.978µs 15.4
10ms 169.709µs 1.7
100ms 186.685µs 0.2
200ms 176.859µs 0.1
500ms 177.271µs 0.0
--
Dave Täht
CEO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-669-226-2619
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next reply other threads:[~2017-12-07 1:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-07 1:24 Dave Taht [this message]
2017-12-07 8:36 ` Pete Heist
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