You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-12 - 13:27
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 Fri Jun 12, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260719997343,28cyclictest840281-1kworker/1:0H23:15:001
260719996841,26cyclictest343804-21kworker/1:122:20:131
26071999650,2cyclictest380809-21cpuspeed22:45:131
260719996242,19cyclictest840281-1kworker/1:0H21:54:261
260719996057,2cyclictest0-21swapper/121:37:331
260719995944,14cyclictest433217-21kworker/1:023:55:131
260719995944,14cyclictest343804-21kworker/1:122:07:281
260719995944,14cyclictest295443-21kworker/1:020:57:151
260719995943,15cyclictest269377-21kworker/1:319:40:131
260719995941,16cyclictest412549-21kworker/1:223:25:161
260719995938,20cyclictest390877-21kworker/1:123:00:141
260719995938,20cyclictest390877-21kworker/1:123:00:131
26071999591,56cyclictest376052-21cron22:39:591
260719995843,14cyclictest361946-21kworker/1:022:32:321
260719995843,14cyclictest343804-21kworker/1:122:10:151
260719995843,14cyclictest281117-21kworker/1:220:15:141
260719995843,14cyclictest281117-21kworker/1:220:13:261
260719995843,14cyclictest259319-21kworker/1:019:25:131
260719995842,15cyclictest840281-1kworker/1:0H23:49:021
260719995842,15cyclictest840281-1kworker/1:0H23:24:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional