You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-09 - 05:23
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackeslot6.osadl.org (updated Sat May 09, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48859799133118,11cyclictest1213033-21systemd-journal00:04:000
48859799111102,6cyclictest529075-21latency_hist21:15:010
4885979910488,12cyclictest1987725-21cups-browsed00:00:000
488597999787,7cyclictest559649-21latency_hist22:50:000
488599999683,11cyclictest585993-21kworker/u8:1+events_unbound00:15:161
488599999586,7cyclictest595537-21latency_hist00:40:001
488599999571,22cyclictest566279-21latency_hist23:10:011
488597999584,8cyclictest1213033-21systemd-journal19:35:130
488599999488,4cyclictest582988-21kworker/u8:4+flush-179:000:04:011
488597999485,6cyclictest538902-21latency_hist21:45:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional