You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-29 - 11:22
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 Wed Jul 29, 2026 00:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61532224162,50sleep10-21swapper/119:08:311
138591205171,23phc2sys0-21swapper/319:06:393
60322203169,23sleep20-21swapper/219:06:542
60902201167,22sleep00-21swapper/019:07:420
1938921470,5sleep0656299cyclictest23:55:130
13859110463,11phc2sys0-21swapper/319:10:013
65102940,4sleep26515-21cpuspeed_turbos20:15:142
16882600,3sleep1656399cyclictest22:15:181
298632590,1sleep10-21swapper/100:15:201
138491580,1ptp4l401ktimersoftd/320:40:263
138491540,1ptp4l401ktimersoftd/320:24:273
179532450,2sleep30-21swapper/323:50:273
6565994328,12cyclictest41-21ksoftirqd/322:05:113
6565994236,3cyclictest28862-21cron00:15:003
138491400,1ptp4l401ktimersoftd/323:34:473
138491400,0ptp4l401ktimersoftd/300:36:293
6564993832,3cyclictest33-21ksoftirqd/220:49:592
6565993733,3cyclictest41-21ksoftirqd/300:25:003
6565993732,3cyclictest41-21ksoftirqd/320:10:163
6565993730,4cyclictest41-21ksoftirqd/319:26:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional