You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-20 - 06:01
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 rackeslot3.osadl.org (updated Sun Sep 20, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
268185899680,2cyclictest2719831-21diskmemload00:00:001
268185899650,64cyclictest0-21swapper/121:35:141
268185899640,62cyclictest0-21swapper/121:40:061
2681858996142,17cyclictest2821550-21kworker/1:023:20:171
2681858996141,19cyclictest650405-1kworker/1:2H20:45:001
2681858996141,18cyclictest2724767-21kworker/1:021:17:061
2681858996137,14cyclictest2784815-21kworker/1:022:38:301
2681858996043,16cyclictest2876423-21kworker/1:100:05:151
2681858996041,18cyclictest2716697-21kworker/1:321:25:011
2681858996041,17cyclictest650405-1kworker/1:2H20:25:101
2681858995956,2cyclictest0-21swapper/122:53:001
2681858995940,17cyclictest2702560-21kworker/1:020:30:141
2681858995856,1cyclictest0-21swapper/123:28:301
2681858995844,14cyclictest2856811-21kworker/1:300:15:181
2681858995843,14cyclictest650405-1kworker/1:2H23:00:061
2681858995843,14cyclictest2892416-21kworker/1:000:25:311
2681858995843,14cyclictest2856811-21kworker/1:300:20:141
2681858995843,14cyclictest2834242-21kworker/1:123:30:161
2681858995843,14cyclictest2737546-21kworker/1:221:30:161
2681858995842,15cyclictest650405-1kworker/1:2H23:47:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional