You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-23 - 01:30
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 Wed Apr 22, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9322549910597,6cyclictest949742-21kworker/u8:2+events_unbound09:30:010
9322549910497,5cyclictest993320-21kworker/u8:2+flush-179:010:35:000
9322589910094,4cyclictest991657-21kworker/u8:3+events_unbound10:55:001
932258999588,5cyclictest926161-21kworker/u8:3+flush-179:007:15:011
932254999385,6cyclictest1017923-21latency_hist11:35:000
932258999185,4cyclictest982986-21kworker/u8:0+events_unbound10:20:241
932258999185,4cyclictest982986-21kworker/u8:0+events_unbound10:20:241
932254998676,7cyclictest994873-21apt-get10:25:000
932254998676,7cyclictest994873-21apt-get10:25:000
932254998577,6cyclictest932170-21latency_hist07:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional