You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-17 - 20:03
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 Jun 17, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160952228164,52sleep30-21swapper/307:07:173
162252202168,23sleep00-21swapper/007:08:510
160432202169,22sleep10-21swapper/107:06:341
140862199167,21sleep20-21swapper/207:05:032
2776821440,5sleep31660999cyclictest08:35:223
1385918865,12phc2sys0-21swapper/307:10:003
138491580,1ptp4l401ktimersoftd/310:05:193
314642550,2sleep1231rcuc/107:40:001
138491550,1ptp4l401ktimersoftd/311:23:343
1660999463,40cyclictest3562-21turbostat11:05:003
50798440,8rtkit-daemon0-21swapper/111:56:001
16607994437,3cyclictest3947-21sh07:50:001
16607994437,3cyclictest3947-21sh07:50:001
16608994337,3cyclictest11303-21sh12:24:592
16606994325,15cyclictest9-21ksoftirqd/009:37:590
50798420,6rtkit-daemon0-21swapper/109:45:211
16609994237,3cyclictest16932-21fschecks_count10:25:153
1660699423,2cyclictest0-21swapper/009:27:380
138491420,0ptp4l401ktimersoftd/309:11:263
138491420,0ptp4l401ktimersoftd/308:31:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional