You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-13 - 02:04
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 10 highest latencies:
System rackcslot8.osadl.org (updated Wed Aug 12, 2026 12:48:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1423699326116,15cyclictest70-21ksoftirqd/911:24:1931
3273913130,305ptp4l0-21swapper/107:08:491
143739929564,200cyclictest151rcu_preempt12:15:1621
1426099225108,1cyclictest151rcu_preempt12:16:014
143169918061,78cyclictest0-21swapper/2009:38:2713
1418199178171,1cyclictest151rcu_preempt10:10:420
1418199178171,1cyclictest151rcu_preempt10:10:420
330891173165,6phc2sys0-21swapper/207:09:1412
128012163155,6sleep240-21swapper/2407:07:4817
143169916059,92cyclictest137-21ksoftirqd/2012:37:1613
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional