You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-07 - 14:50
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
Characteristics of the 20 highest latencies:
System rackcslot6.osadl.org (updated Sun Jun 07, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295981299373371,1cyclictest2990710-21kworker/2:008:47:022
295981299373371,1cyclictest2990710-21kworker/2:008:47:022
295981299371370,1cyclictest0-21swapper/209:45:022
295981299370369,1cyclictest0-21swapper/212:35:022
295981299370368,1cyclictest2990710-21kworker/2:008:01:012
295981299370368,1cyclictest0-21swapper/210:55:022
295981299369368,1cyclictest0-21swapper/210:05:022
295981299369367,1cyclictest3068932-21kworker/2:010:29:022
295981299369367,1cyclictest0-21swapper/211:33:022
295981299368366,1cyclictest2990710-21kworker/2:008:35:022
295981299367366,1cyclictest0-21swapper/208:05:022
295981299367365,1cyclictest0-21swapper/209:43:022
295980199367366,1cyclictest0-21swapper/112:01:011
295979399367365,1cyclictest0-21swapper/012:25:020
295981299366365,1cyclictest2990710-21kworker/2:008:13:022
295981299366365,1cyclictest0-21swapper/208:19:022
295982599365363,1cyclictest0-21swapper/412:15:014
295981299365364,1cyclictest3035841-21kworker/2:109:20:022
295981299365363,1cyclictest3267943-21kworker/2:007:45:022
295981299365363,1cyclictest0-21swapper/210:37:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional