You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-29 - 10:49
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 10 highest latencies:
System rackeslot8.osadl.org (updated Wed Apr 29, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41332652660,64sleep04119851-21kworker/u16:1+efi_rts_wq20:00:130
4064886992825,1cyclictest0-21swapper/322:55:013
4064886992623,1cyclictest0-21swapper/323:24:593
4064886992522,1cyclictest0-21swapper/322:40:013
4064886992522,1cyclictest0-21swapper/320:20:003
4064886992420,1cyclictest0-21swapper/320:05:343
4064886992320,1cyclictest0-21swapper/323:04:593
406488699222,15cyclictest185005-21taskset22:49:223
4064886992219,1cyclictest0-21swapper/323:40:003
4064886992219,1cyclictest0-21swapper/321:10:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional