You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-20 - 12:49
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack1slot8.osadl.org (updated Fri Mar 20, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2786399902815,80cyclictest0-21swapper/019:40:190
2786399891803,82cyclictest0-21swapper/019:10:130
2786499835754,41cyclictest7190-21strings19:40:181
2786499831758,39cyclictest0-21swapper/119:10:121
275012130107,16sleep00-21swapper/019:06:480
228699880,3rtkit-daemon2285-21rtkit-daemon23:01:020
228699830,5rtkit-daemon2285-21rtkit-daemon00:05:240
228699820,4rtkit-daemon2285-21rtkit-daemon22:26:410
27863998165,12cyclictest0-21swapper/022:02:590
27864998017,39cyclictest0-21swapper/123:50:581
228699790,4rtkit-daemon2285-21rtkit-daemon19:28:480
2759227843,23sleep10-21swapper/119:07:421
228699770,4rtkit-daemon2285-21rtkit-daemon23:33:080
228699770,4rtkit-daemon2285-21rtkit-daemon22:34:211
228699760,4rtkit-daemon2285-21rtkit-daemon00:16:140
145362760,6sleep00-21swapper/022:20:230
228699750,3rtkit-daemon2285-21rtkit-daemon21:58:371
27863997451,18cyclictest0-21swapper/022:49:580
228699740,5rtkit-daemon2285-21rtkit-daemon00:15:191
228699740,4rtkit-daemon2285-21rtkit-daemon22:35:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional