You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-11 - 14:34
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 rackdslot3.osadl.org (updated Thu Jun 11, 2026 00:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491232168,52phc2sys0-21swapper/319:08:363
81842204171,22sleep00-21swapper/019:06:220
83682203170,22sleep10-21swapper/119:08:451
83642203169,23sleep20-21swapper/219:08:412
1133821300,3sleep3875999cyclictest22:35:183
139391570,1ptp4l401ktimersoftd/323:57:173
237032550,2sleep00-21swapper/020:45:230
139391540,1ptp4l401ktimersoftd/321:41:463
8758995144,4cyclictest31744-21latency_hist21:05:002
875999460,5cyclictest9464-21cut19:10:173
8756994610,21cyclictest4026-21seq21:13:500
8759994539,3cyclictest11257-21cron21:30:003
8756994511,20cyclictest15483-21seq19:22:030
57898450,10rtkit-daemon0-21swapper/122:28:581
8756994429,13cyclictest9-21ksoftirqd/022:50:110
8756994429,13cyclictest9-21ksoftirqd/022:50:110
139391440,0ptp4l401ktimersoftd/320:27:023
139391440,0ptp4l401ktimersoftd/320:12:363
139391440,0ptp4l401ktimersoftd/319:16:453
875699438,20cyclictest23888-21seq00:09:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional