You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-21 - 05:00
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 rackeslot3.osadl.org (updated Thu May 21, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
821827997137,32cyclictest1021209-21kworker/1:300:20:131
821827996941,26cyclictest2096899-1kworker/1:2H20:35:141
821827996562,2cyclictest0-21swapper/122:23:441
821827996561,2cyclictest1026790-21fschecks_time00:10:131
821827996541,22cyclictest908034-21kworker/1:022:05:131
821827996461,2cyclictest0-21swapper/122:43:431
821827996360,1cyclictest0-21swapper/122:45:151
82182799630,60cyclictest874394-21fschecks_count21:25:121
82182799630,2cyclictest0-21swapper/121:00:221
821827996258,2cyclictest0-21swapper/123:20:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional