You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-25 - 21:33
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 rackdslot4.osadl.org (updated Sat Apr 25, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209272226161,20sleep20-21swapper/207:08:382
138591206172,23phc2sys0-21swapper/307:07:563
208442200167,22sleep10-21swapper/107:07:331
207032200167,22sleep00-21swapper/007:05:430
2459021540,2sleep20-21swapper/209:25:212
253132690,5sleep233-21ksoftirqd/211:40:012
193562680,5sleep119359-21irqrtprio08:10:181
213702530,5sleep3401ktimersoftd/309:20:133
138491530,1ptp4l401ktimersoftd/310:08:573
138491510,0ptp4l401ktimersoftd/310:41:343
138491490,0ptp4l401ktimersoftd/311:01:373
138491460,8ptp4l401ktimersoftd/307:40:033
138491450,0ptp4l401ktimersoftd/307:15:273
138491440,0ptp4l401ktimersoftd/312:29:163
21326994315,26cyclictest0-21swapper/209:10:232
138491420,35ptp4l0-21swapper/307:10:013
138491420,0ptp4l401ktimersoftd/307:25:003
50798410,3rtkit-daemon12146-21irqstats09:00:191
21326994013,26cyclictest0-21swapper/211:45:232
21324994035,3cyclictest28416-21cron08:30:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional