You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-07 - 12:21
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 rackfslot7.osadl.org (updated Sun Dec 07, 2025 00:46:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
538998997638,38cyclictest540369-21latency19:10:185
538998997618,39cyclictest692298-21cat23:40:025
538998997556,18cyclictest0-21swapper/522:05:185
538998997415,39cyclictest619765-21idleruntime21:30:185
538998997133,19cyclictest718161-21diskstats00:25:185
538998997113,39cyclictest716160-21ld00:20:225
538998997032,19cyclictest627292-21munin-run21:45:015
538998997011,21cyclictest0-21swapper/500:04:185
538998996810,19cyclictest0-21swapper/521:18:545
538998996810,19cyclictest0-21swapper/520:54:465
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional