You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-29 - 02:25
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
Characteristics of the 10 highest latencies:
System rackdslot1.osadl.org (updated Sun Jun 28, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491700,3ptp4l0-21swapper/012:05:140
375699681,23cyclictest6628-21cat07:15:171
3758996711,10cyclictest26924-21chrt12:39:003
9002660,5sleep00-21swapper/011:40:250
375699661,29cyclictest12748-21taskset07:29:291
134491660,4ptp4l18054-21/usr/sbin/munin12:20:202
134491660,32ptp4l25-21ksoftirqd/108:40:141
375699652,19cyclictest0-21swapper/108:55:001
375699650,29cyclictest924-21taskset10:31:391
375699641,23cyclictest30411-21processes08:05:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional