You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-30 - 12:47
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 rackdslot2.osadl.org (updated Thu Apr 30, 2026 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21232235168,22sleep30-21swapper/319:09:503
133922270,10sleep00-21swapper/019:05:250
18962205172,22sleep10-21swapper/119:07:031
17972204170,23sleep20-21swapper/219:05:482
1604621820,7sleep0243099cyclictest21:50:210
153362600,2sleep10-21swapper/120:40:271
221542550,3sleep122158-21phc2sys20:55:221
2433994439,3cyclictest32330-21sh22:45:003
41298430,2rtkit-daemon411-21rtkit-daemon00:35:152
139291430,0ptp4l401ktimersoftd/320:17:473
2431994236,3cyclictest29326-21sh22:35:001
243099423,3cyclictest121rcu_preempt20:00:000
243099421,5cyclictest9-21ksoftirqd/023:20:000
2431994136,3cyclictest25-21ksoftirqd/121:54:591
2431994135,3cyclictest25-21ksoftirqd/119:30:011
2431994127,4cyclictest25-21ksoftirqd/123:40:151
2431994124,3cyclictest25-21ksoftirqd/123:20:171
243099410,5cyclictest9-21ksoftirqd/022:45:000
139291410,0ptp4l401ktimersoftd/319:48:553
139291410,0ptp4l401ktimersoftd/300:04:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional