You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-02 - 14:25
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 rack0slot2.osadl.org (updated Thu Jul 02, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29901932960,0sleep50-21swapper/512:10:215
230148325420,29sleep70-21swapper/707:05:327
230148325420,29sleep70-21swapper/707:05:327
230172925141,7sleep40-21swapper/407:08:584
230172925141,7sleep40-21swapper/407:08:584
230145424737,7sleep50-21swapper/507:05:065
230145424737,7sleep50-21swapper/507:05:065
2302037994236,5cyclictest2325186-21latency_hist07:18:597
2302027994240,2cyclictest2971217-21kworker/u16:0+flush-8:012:28:584
2302027994139,2cyclictest2403538-21kworker/u16:1+events_unbound09:11:554
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional