You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-10-07 - 12:43
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 20 highest latencies:
System rack8slot7.osadl.org (updated Wed Oct 07, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271379910521050,2cyclictest2568-21kworker/0:2+events21:09:350
271379910521050,2cyclictest2568-21kworker/0:2+events20:29:170
271379910511050,1cyclictest2568-21kworker/0:2+events20:56:510
271379910511050,1cyclictest2568-21kworker/0:2+events20:42:350
271379910511050,1cyclictest2568-21kworker/0:2+events20:39:240
271429910501049,1cyclictest21600-21kworker/1:1+events00:20:441
271379910501049,1cyclictest2568-21kworker/0:2+events22:29:210
271379910501049,1cyclictest2568-21kworker/0:2+events20:51:260
271379910501049,1cyclictest2568-21kworker/0:2+events00:09:200
271379910501048,2cyclictest2568-21kworker/0:2+events23:55:550
271379910501047,2cyclictest2568-21kworker/0:2+events22:49:030
271429910491047,2cyclictest23042-21turbostat00:09:541
271549910441042,2cyclictest394-21kworker/3:1+events23:44:043
271549910441041,3cyclictest394-21kworker/3:1+events23:11:053
271429910441042,2cyclictest15277-21turbostat00:34:551
271379910431042,1cyclictest2568-21kworker/0:2+events22:38:250
271549910421040,2cyclictest394-21kworker/3:1+events22:23:493
271549910421040,2cyclictest394-21kworker/3:1+events22:14:023
271509910421040,2cyclictest27310-21fwupd20:28:132
271379910421041,1cyclictest2568-21kworker/0:2+events22:42:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional