You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-17 - 16:16
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 rackbslot7.osadl.org (updated Fri Jul 17, 2026 12:44:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22638213610,91sleep222656-21unin-run06:56:522
227609910852,48cyclictest0-21swapper/210:07:312
227609910852,48cyclictest0-21swapper/210:07:312
227479910556,36cyclictest331-21apt-get11:42:070
227529910482,15cyclictest15075-21idleruntime-cro12:06:491
2234821036,17sleep10-21swapper/106:53:411
227529910210,67cyclictest331-21apt-get11:42:101
227609910137,11cyclictest0-21swapper/211:37:112
227609910038,13cyclictest0-21swapper/210:48:362
227609910029,12cyclictest0-21swapper/210:06:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional