You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-27 - 13:53
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 10 highest latencies:
System rackdslot1.osadl.org (updated Fri Mar 27, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
371521560,6sleep31578599cyclictest23:40:283
371521560,6sleep31578599cyclictest23:40:283
914821440,3sleep31578599cyclictest23:55:163
1911421420,7sleep01578299cyclictest23:05:230
134491710,10ptp4l14295-21irqstats19:05:201
15783996934,5cyclictest25-21ksoftirqd/122:55:001
15783996635,10cyclictest25-21ksoftirqd/123:50:211
15783996632,4cyclictest25-21ksoftirqd/120:50:261
15783996533,5cyclictest25-21ksoftirqd/121:55:001
15783996331,8cyclictest25-21ksoftirqd/100:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional