You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-06 - 17:49
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 Thu Aug 06, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320524999774770,3cyclictest0-21swapper/619:51:3712
32052879954624,521cyclictest0-21swapper/1500:02:377
3205260995262,523cyclictest0-21swapper/900:23:3715
32052609952511,513cyclictest0-21swapper/919:38:3715
32052459952117,503cyclictest0-21swapper/521:18:3711
32052459952117,503cyclictest0-21swapper/521:18:3711
32052359949516,59cyclictest0-21swapper/200:11:008
32052359949025,461cyclictest0-21swapper/200:23:378
320528399485455,30cyclictest0-21swapper/1420:19:376
320528399484484,0cyclictest3386846-21kworker/14:0+i915-unordered22:48:376
320523599478477,1cyclictest3237971-21kworker/2:2+i915-unordered19:51:378
320528099477477,0cyclictest3176602-21kworker/13:4+i915-unordered21:18:375
320528099477477,0cyclictest3176602-21kworker/13:4+i915-unordered21:18:375
32052729947524,58cyclictest0-21swapper/1119:14:373
32052359947525,29cyclictest0-21swapper/222:57:598
32052499947224,30cyclictest0-21swapper/622:23:1912
32052309947017,59cyclictest0-21swapper/123:47:201
32052309947017,59cyclictest0-21swapper/123:47:201
32052779946921,30cyclictest0-21swapper/1223:09:194
32052779946918,30cyclictest0-21swapper/1221:46:214
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional