You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-07 - 03:01
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 20 highest latencies:
System rack0slot5.osadl.org (updated Sun Jun 07, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
390553899558556,2cyclictest3947805-21kworker/1:2+i915-unordered20:08:301
3905557995499,27cyclictest0-21swapper/600:30:3012
3905538995490,548cyclictest0-21swapper/123:35:301
3905538995436,0cyclictest0-21swapper/122:39:301
390556799534533,1cyclictest4075151-21kworker/9:2+i915-unordered22:39:3015
3905572995287,0cyclictest0-21swapper/1023:41:302
39055409952322,500cyclictest0-21swapper/219:09:308
39055829951959,15cyclictest0-21swapper/1219:48:304
390554099514512,2cyclictest4111208-21kworker/2:1+i915-unordered23:41:308
390556799511510,1cyclictest4120209-21kworker/9:2+i915-unordered23:35:3015
390556799490489,1cyclictest0-21swapper/920:08:3015
39055459948711,59cyclictest52-21ksoftirqd/320:48:309
39055539948033,29cyclictest0-21swapper/521:30:5311
39055829947824,454cyclictest0-21swapper/1219:09:304
39055729947610,466cyclictest0-21swapper/1019:08:302
39055829947514,14cyclictest0-21swapper/1223:31:304
390554899475474,1cyclictest69750irq/159-i91523:35:3010
39055539947224,30cyclictest0-21swapper/522:28:5311
39055539947224,30cyclictest0-21swapper/522:07:1411
390554899470469,1cyclictest69750irq/159-i91520:08:3010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional