You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-05 - 21:30
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 Tue May 05, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262542225166,48sleep10-21swapper/107:07:111
242592204169,23sleep30-21swapper/307:05:083
261612203170,22sleep00-21swapper/007:05:580
261582202170,21sleep20-21swapper/207:05:562
688421550,7sleep12677299cyclictest08:40:021
2648028361,14sleep10-21swapper/107:10:011
2648028361,14sleep10-21swapper/107:10:011
138491650,1ptp4l401ktimersoftd/307:30:163
26774995833,3cyclictest41-21ksoftirqd/312:30:203
135191580,6getstats2677499cyclictest10:13:113
138491560,1ptp4l401ktimersoftd/309:26:033
26774995224,4cyclictest41-21ksoftirqd/312:10:203
26774995223,4cyclictest41-21ksoftirqd/311:00:233
26774995214,9cyclictest41-21ksoftirqd/311:50:213
307072510,1sleep20-21swapper/208:20:252
26774995031,3cyclictest41-21ksoftirqd/311:20:133
26774995021,4cyclictest41-21ksoftirqd/310:50:133
138491500,3ptp4l41-21ksoftirqd/307:10:173
138491500,3ptp4l41-21ksoftirqd/307:10:173
2677499498,8cyclictest41-21ksoftirqd/308:55:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional