You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-19 - 12:03
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
Characteristics of the 20 highest latencies:
System rackcslot6.osadl.org (updated Fri Jun 19, 2026 00:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
282042699382381,1cyclictest2817271-21kworker/3:021:18:023
282042699381380,1cyclictest0-21swapper/320:02:033
282042699381379,2cyclictest2817271-21kworker/3:020:15:023
282042699381379,2cyclictest2817271-21kworker/3:020:15:023
282042699381379,1cyclictest2999510-21kworker/3:223:40:023
2820426993810,380cyclictest0-21swapper/323:22:033
2820426993810,380cyclictest0-21swapper/322:41:023
2820426993810,380cyclictest0-21swapper/322:37:033
2820426993810,380cyclictest0-21swapper/300:33:023
2820426993810,380cyclictest0-21swapper/300:33:023
282040099381379,1cyclictest91519-21kworker/0:222:10:020
282042699380379,1cyclictest2817271-21kworker/3:019:20:033
282042699380378,1cyclictest2817271-21kworker/3:021:56:033
2820426993800,379cyclictest0-21swapper/323:50:033
282040099379378,1cyclictest91519-21kworker/0:223:52:030
282042699378377,1cyclictest2817271-21kworker/3:020:05:033
282042699378376,1cyclictest2817271-21kworker/3:020:20:033
282042699377376,1cyclictest2817271-21kworker/3:022:19:023
282040099377375,1cyclictest91519-21kworker/0:221:10:020
282042699376373,2cyclictest2817271-21kworker/3:020:57:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional